Progress 10/01/14 to 09/30/19
Outputs
Target Audience:Our primary audiences are growers of wine grapes in the Pacific Northwest. Grapevines provide an ideal model crop to demonstrate benefits that can accrue to growers through the use micro-irrigation and especially emerging technologies for regulating the amounts of water to be applied at specific growth stages of the plant during a given year. Applying water both temporly and spacially can enhance grape quality for the production of premium wines, especially for red grape varieties. By controlling water at a deficit level, the grower can not only conserve water but increase tannins, anthocyanin, and Brix (sugar content) and also minimize acidity levels. Our state project has developed a new form of delivery device to apply drip irrigation directly into the lower root zone of the vine, allowing for significant reduction of water use while maintaining commercial levels of crop yield. This strategy should be especially efficient during years with restricted amounts of availiable water for irrigation. Changes/Problems:
Nothing Reported
What opportunities for training and professional development has the project provided?The project has provided opportunities for reporting and discussing aspects of the research effort with scientists from other states and regions. The project has also provided professional development for students to hone presentation skills and to interact with irrigation industry professionals from across the globe when attending professional and industry meetings. How have the results been disseminated to communities of interest?Field days and presentations sponsored by extension professionals have allowed the public to visit field experimental plots and to interact directly with our research team members. We estimate that 650 growers within the western U.S. have become aware of our irrigation techniques and the potential for improving crop yield and quality while concommitantly conserving water resources. What do you plan to do during the next reporting period to accomplish the goals?
Nothing Reported
Impacts
What was accomplished under these goals?
A new form of subsurface micro-irrigation was developed to achieve direct root-zone (DRZ) subsurface delivery of drip irrigation to wine grapes in Washington State. During the concept phase of the project, vines were maintained for production, albeit less than achieved under commercial surface irrigation at full irrigation delivery needed to meet production goals. Rates of 60, 30, and 15% of commercial irrigation produced ca. 90, 75, and 70%, respectively, of the commercial grape production weight. Second year production rates were lower, suggesting a carry-over effect from the previous year. No obvious advantages were found for using pulse irrigation delivery over continuous application sets. No consistent patterns were observed to favor a Report Date 11/30/2019 Page 1 of 4 United States Department of Agriculture Progress Report Accession No. 1004879 Project No. WNP00818 Multistate No. W3128 specific depth among 1, 2, or 3 ft. subsurface delivery points. Rates of deficit irrigation using DRZ delivery were raised to 80, 60, and 40 percent of commercial rate during 2017 and 2018. Additionally, deficit irrigation was initiated only after fruit set and remained at the same levels through harvest. Comparison of DRZ with surface irrigation consistently showed higher yields and positive impacts on grape quality with DRZ delivery than commercial rate of surface drip irrigation. DRZ demonstrated the ability to achieve water savings up to 60 percent of the rate applied by surface irrigation to achieve commercial production goals while producing higher yields and quality of grapes than achieved with standard surface drip irrigation.
Publications
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2019
Citation:
Jacoby, P.W. and X.C. Ma. 2019. Use of direct root zone (DRZ) subsurface drip irrigation to increase crop water use efficiency and enhance wine grape production and quality. Abstract, Northwest Center for Small Fruit Research, Annual Conference, Ferndale, WA. Dec. 2-3.
Jacoby, P.W. and X.C. Ma. 2019. Enhancing crop water use efficiency with direct root zone micro-irrigation. Abstract 85-2 of oral presentation for Amer. Soc. Agronomy, Section: Climatology and Modeling, Symposium Declining Aquifers: Enhancing Water Use Efficiency in Agriculture, ASA-CSSA-SSSA Ann. Meeting, San Antonio, TX., Nov. 10-14.
Khot, L.R., C.O. Stockle, R.T. Peters, and P.W. Jacoby. 2019. Role od advanced remoting sensing technologies in irrigated crop stress assessment. Abstract 115-2 of oral presentation for special session by Sensor-based Water Management Community, ASA --Climatology and Modeling Section, ASA-CSSA-SSSA Ann. Meeting, San Antonio, TX, Nov. 10-14.
- Type:
Journal Articles
Status:
Published
Year Published:
2018
Citation:
Espinosa, C.Z., A. P. Rathnayake, M. Chakraborty, S. Sankaran, P.W. Jacoby, and L.R. Khot. 2018. Applicability of time-of-flight-based ground and multispectral aerial imaging for grapevine canopy vigour monitoring under direct root-zone deficit irrigation. Intl. J. Remote Sensing. DOI: 10.1080/01431161.2018.1500047 (Impact Factor: 1.724).
- Type:
Journal Articles
Status:
Published
Year Published:
2019
Citation:
Ma, X.C., K.A. Sanguinet, P.W. Jacoby. 2019, Performance of direct root-zone deficit irrigation on Vitis vinifera L. cv. Cabernet Sauvignon production and water use efficiency in semi-arid south-central Washington. Agric. Water Manage. 221:47-57. (Impact Factor: 3.565)
Chakraborty, M., L.R. Khot, S. Sankaran, and P.W. Jacoby. 2019. Evaluation of mobile 3D light detection and ranging-based canopy mapping system for tree fruit crops. Computer and Electronics in Agriculture. (Impact Factor: 2.761)
- Type:
Journal Articles
Status:
Accepted
Year Published:
2019
Citation:
Ma, X.C., K.A. Sanguinet, P.W. Jacoby. 2019. Direct root-zone irrigation outperforms surface drip irrigation on grape yield and water use efficiency while restricting shallow root growth in a semi-arid climate. Agric. Water Manage.
|
Progress 10/01/17 to 09/30/18
Outputs
Target Audience:Our primary audiences are growers of wine grapes in the Pacific Northwest. Grapevines provide an ideal model crop to demonstrate benefits that can accrue to growers through the use micro-irrigation and especially emerging technologies for regulating the amounts of water to be applied at specific growth stages of the plant during a given year. Applying water both temporly and spacially can enhance grape quality for the production of premium wines, especially for red grape varieties. By controlling water at a deficit level, the grower can not only conserve water but increase tannins, anthocyanin, and Brix (sugar content) and also minimize acidity levels. Our state project has developed a new form of delivery device to apply drip irrigation directly into the lower root zone of the vine, allowing for significant reduction of water use while maintaining commercial levels of crop yield. This strategy should be especially efficient during years with restricted amounts of availiable water for irrigation. Changes/Problems:
Nothing Reported
What opportunities for training and professional development has the project provided?The project has provided opportunities for reporting and discussing aspects of the research effort with scientists from other states and regions. The project has also provided professional development for students to hone presentation skills and to interact with irrigation industry professionals from across the globe when attending professional and industry meetings. How have the results been disseminated to communities of interest?Field days and presentations sponsored by extension professionals have allowed the public to visit field experimental plots and to interact directly with our research team members. We estimate that 650 growers within the western U.S. have become aware of our irrigation techniques and the potential for improving crop yield and quality while concommitantly conserving water resources. What do you plan to do during the next reporting period to accomplish the goals?The project PI is engaged in an innovation process to seek an industry partner to commercialize the direct root zone (DRZ) micro-irrigation technology to permit easy access to components and systems for installation in vineyards. We anticipate this process to be completed within the next two years.
Impacts
What was accomplished under these goals?
A new form of subsurface micro-irrigation was developed to achieve direct root-zone (DRZ) subsurface delivery of drip irrigation to wine grapes in Washington State. During the concept phase of the project, vines were maintained for production, albeit less than achieved under commercial surface irrigation at full irrigation delivery needed to meet production goals. Rates of 60, 30, and 15% of commercial irrigation produced ca. 90, 75, and 70%, respectively, of the commercial grape production weight. Second year production rates were lower, suggesting a carry-over effect from the previous year. No obvious advantages were found for using pulse irrigation delivery over continuous application sets. No consistent patterns were observed to favor a specific depth among 1, 2, or 3 ft. subsurface delivery points. Rates of deficit irrigation using DRZ delivery were raised to 80, 60, and 40 percent of commercial rate during 2017 and 2018. Additionally, deficit irrigation was initiated only after fruit set and remained at the same levels through harvest. Comparison of DRZ with surface irrigation consistently showed higher yields and positive impacts on grape quality with DRZ delivery than commercial rate of surface drip irrigation. DRZ demonstrated the ability to achieve water savings up to 60 percent of the rate applied by surface irrigation to achieve commercial production goals while producing higher yields and quality of grapes than achieved with standard surface drip irrigation.
Publications
- Type:
Journal Articles
Status:
Published
Year Published:
2018
Citation:
Zuniga, C.E., A. P. Rathnayake, M. Chakraborty, A. P. Rathnayake, S. Sankaran, P.W. Jacoby, and L.R. Khot. 2018. Applicability of time-of-flight-based ground and multispectral aerial imaging for grapevine canopy vigour monitoring under direct root-zone deficit irrigation. Intl. J. Remote Sensing. DOI: 10.1080/01431161.2018.1500047 (Impact Factor: 1.724).
- Type:
Journal Articles
Status:
Under Review
Year Published:
2018
Citation:
Chakraborty, M., L.R. Khot, S. Sankaran, and P.W. Jacoby. 2018. Evaluation of mobile 3D light detection and ranging-based canopy mapping system for tree fruit crops. Computer and Electronics in Agriculture (in review).
- Type:
Journal Articles
Status:
Under Review
Year Published:
2018
Citation:
Ma, X.C., K.A. Sanguinet, P.W. Jacoby. 2018, Performance of direct root-zone deficit irrigation on Vitis vinifera L. cv. Cabernet Sauvignon production in southcentral Washington. Agric. Water Manage. (in review).
- Type:
Other
Status:
Published
Year Published:
2018
Citation:
Jacoby, P.W. and X.C. Ma. 2018. Introducing direct root-zone deficit irrigation to conserve water and enhance grape quality in the Pacific Northwest. Crop and Soils Magazine Sept.- Oct.: pp. 34-37, 58. doi:10.2134/cs2018.51.0510
- Type:
Conference Papers and Presentations
Status:
Accepted
Year Published:
2018
Citation:
Jacoby, P.W. and X.C. Ma. 2018. Direct root-zone delivery to enhance deficit irrigation application. Ann. Meet., Irrigation Association Technical Program, Long Beach, CA. Dec. 2-6.
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2018
Citation:
Jacoby, P.W., and X.C. Ma. 2018. Conserving water while increasing grape production through direct root-zone (DRZ) deficit irrigation. Ann. Meeting, Amer. Soc. Enology and Viticulture, Monterey, CA. June 18-21.
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2018
Citation:
Ma, X.C., K.A. Sanguinet, and P.W. Jacoby. 2018. Performance of Cabernet Sauvignon under direct root-zone deficit irrigation. Ann. Meeting, Amer. Soc. Enology and Viticulture, Monterey, CA. June 18-21.
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2018
Citation:
Ma, X.C., P.W. Jacoby, and K.A. Sanguinet. 2018. Comparing effects of different irrigation rates and depths on wine grape production, grapevine growth, and root development through direct root-zone irrigation strategy. Ann. Meeting, WA Winegrowers, Kennewick, WA. Feb. 6-7.
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2018
Citation:
Hawkins, G., P.W. Jacoby, and X.C. Ma. 2018. Cabernet Sauvignon berry quality from vines irrigated through direct root-zone irrigation. Ann. Meeting, Amer. Soc. Enology and Viticulture, Monterey, CA. June 18-21.
|
Progress 10/01/16 to 09/30/17
Outputs
Target Audience:Our primary audiences are growers of wine grapes in the Pacific Northwest. Grapevines are ideal to demonstrate the use of micro-irrigation, as grapes grow best in Mediterranean climates that are typically defined in having dry growing seasons. Similarly, deficit irrigation is typically used in vineyards to enhance the quality of grapes used to produce premium red wines. These features are ideal for evaluating new and more efficient forms of micro-irrigation, such as subsurface delivery systems. Water conservation is a topic of high interest in the western U.S. in light of competing uses of water and periodic drought events that can interrupt sustainable agriculture production that is vital to growers and the communities located within irrigated agriculture production areas. Changes/Problems:
Nothing Reported
What opportunities for training and professional development has the project provided?The project has permitted the Pl with the opportunity to interact with other scientists and educators conducting research on micro-irrigation. These connections will be helpful in creating multi-state teams to address issues of growers in seeking means to increase water use efficiency in irrigated agriculture. How have the results been disseminated to communities of interest?Results have been presented to commodity organizations and regional project groups in the Pacific Northwest. Presentations have also been made at conferences held by the American Society of Agricultural and Biological Engineers (ASABE}, the Irrigation Association (IA}, American Society of Enology and Viticulture, and the Tri-Societies (ASA, CSSA, and SSSA). What do you plan to do during the next reporting period to accomplish the goals?
Nothing Reported
Impacts
What was accomplished under these goals?
Obj. 1: Develop robust and appropriately-scaled methods of irrigation scheduling using one or more soil-, plant- or weather based approaches. Three field research locations are being used to collect data from treatments intended to quantify potential to sustain fruit production in vineyards during future periods of low water availability in the Yakima Valley of Washington State. This area is primarily, if not wholly dependent, on irrigation water released from winter snowpack in the Cascade Mountain range. Two of these field locations are cited in commercial wine grape vineyards with grower/producer cooperators and activities are guided by an industry advisory committee that meets quarterly with the research team conducting these experiments. Treatments involve the application of season-long deficit irrigation by deep subsurface micro-irrigation which has been labelled as DRZ (direct root-zone) owing to a newly implemented technique that applies water from a pressure compensated emitter directly into the rootzone through a pair of PVC tubes inserted from 1-3 ft depths either side of the grape vine under water delivery rates equivalent to 60, 30, and 15 percent of the commercial irrigation rate applied as DI (surface drip irrigation). Plant water stress was measured at selected dates during three growing seasons (2015 -2017) using on-plant measurements by the pressure bomb technique and compared with remote sensing images using near-IR and multi-spectral cameras mounted on either ground or aerial platforms. Another experiment is using similar treatments and methods to determine impacts of these techniques in a Concord grape vineyard located at the WSU Irrigated Agriculture Research and Extension Center near Prosser. The fourth field experiment is being considered and will be located within a commercial wine grape vineyard near Walla Walla to evaluate various arrays of complementary techniques to conserve water and enhance fruit quality for production of premium red wines. Data have either been published or being prepared for submission to peer reviewed journals. Obj. 2: Develop microirrigation designs and management practices that can be appropriately scaled to site-specific characteristics and end-user capabilities. Our hypothesis is that subsurface irrigation applied directly into the vine's lower root-zone can result in both greater water use efficiency and improved fruit quality over surface applied drip irrigation. A randomized complete block design with three replications of each treatment and a split plot design to compare pulse and continuous irrigation schedules were used with season-long deficit irrigation treatments at Kiona Vineyards in the Red Mountain AVA of Washington. During 2015-2017, over 800 vines received subsurface drip irrigation applied by direct root-zone (DRZ) delivery at depths of 1,2 or 3 feet below ground via vertically installed hard plastic tubes. Subsurface DRZ irrigation was delivered as either continuous or pulsed application and compared to surface drip irrigation application on an additional 180 vines managed to meet commercial production and quality goals. Analyses of data performed during 2017 determined that no significant differences were attributable to water savings from DRZ applied as pulse (interrupted) versus continuous (none interrupted) delivery during any given irrigation set or event. Neither were differences found in depth of deliver among depths varying from 1-3 ft. Since grapevines are known to be efficient in the use of hydraulic redistribution via the root system, this trait is the probable factor influencing this lack of treatment effect. However, differences in total water applied was found to enhance grape quality by increasing levels of BRIX, anthocyanin, and tannins while decreasing levels of titratable acidity with progressively decreasing level of water applied (increasing levels of plant water stress). In 2017, we redesigned the irrigation treatments to increase water amounts applied as DRZ to 80, 60,and 40 percent of commercial rate applied as surface drip and installed additional treatments to directly compare surface drip and DRZ at equal rates of water application. These treatments will continue through the 2018 growing season. Obj. 3: Develop technology transfer products for a diversity of stakeholders to promote adoption of microirrigation. Our lab group is developing a web-site https:// labs.wsu.edu / j acoby/ inform our grower audience about our most current research activities and findings. Additionally, we participate in field days to engage growers with on-site applied research each growing season, present posters and oral reports of our research at annual grower meetings such as the Washington Winegrowers and the Washington Grape Society, as well as national meetings such as the Irrigation Association and American Society of Enology and Viticulture. We also prepare new articles for the popular press and work closely with reporters with local and area media outlets.
Publications
|
Progress 10/01/15 to 09/30/16
Outputs
Target Audience:Our primary audiences are growers of wine grapes in the Pacific Northwest. Grapevines are ideal to demonstrate the use of micro-irrigation, as grapes grow best in Mediterranean climates that are typically defined in having dry growing seasons. Similarly, deficit irrigation is typically used in vineyards to enhance the quality of grapes used to produce premium red wines. These features are ideal for evaluating new and more efficient forms of micro-irrigation, such as subsurface delivery systems. Water conservation is a topic of high interest in the western U.S. in light of competing uses of water and periodic drought events that can interrupt sustainable agriculture production that is vital to growers and the communities located within irrigated agriculture production areas. Changes/Problems:
Nothing Reported
What opportunities for training and professional development has the project provided?The project has permitted the PI with the opportunity to interact with other scientists and educators conducting research on micro-irrigation. These connections will be helpful in creating multi-state teams to address issues of growers in seeking means to increase water use efficiency in irrigated agriculture. How have the results been disseminated to communities of interest?Results have been presented to commodity organizations and regional project groups in the Pacific Northwest. Presentations have also been made at conferences held by the American Society of Agricultural and Biological Engineers (ASABE), the Irrigation Association (IA), American Society of Enology and Viticulture, and the Tri-Societies (ASA, CSSA, and SSSA). What do you plan to do during the next reporting period to accomplish the goals?Field studies will be continued during the coming year and presentations will be delivered at regional and international meetings.
Impacts
What was accomplished under these goals?
Obj. 1: Develop robust and appropriately-scaled methods of irrigation scheduling using one or more soil-, plant- or weather-based approaches. Three field research locations are being used to collect data from treatments intended to quantify potential to sustain fruit production in vineyards during future periods of low water availability in the Yakima Valley of Washington State. This area is primarily, if not wholly dependent, on irrigation water released from winter snowpack in the Cascade Mountain range. Two of these field locations are cited in commercial wine grape vineyards with grower/producer cooperators and activities are guided by an industry advisory committee that meets quarterly with the research team conducting these experiments. Treatments involve the application of season-long deficit irrigation by deep subsurface micro-irrigation and at rates equivalent to 60, 30, and 15 percent of the commercial irrigation rate. Plant water stress was measured a selected dates during the 2016 growing season using on-plant measurements by the pressure bomb technique and compared with remote sensing images using near-IR and multi-spectral cameras. Another experiment is using similar treatments and methods to determine impacts of these techniques in a Concord grape vineyard located at the WSU Irrigated Agriculture Research and Extension Center near Prosser. The fourth field experiment is located within a commercial wine grape vineyard near Benton City and is contrasting water loss from a vineyard using an Eddy Covariance flux station with the estimated ET loss and recommended water replacement using the FAO P-M method. These data are currently being reduced and analyzed after completion of the 2016 growing season. Additionally, both fruit quantity and quality measurements are being analyzed to determine water: fruit production efficiency for future recommendations to growers in this region. Obj. 2: Develop microirrigation designs and management practices that can be appropriately scaled to site-specific characteristics and end-user capabilities. Our hypothesis is that subsurface irrigation applied directly into the vine's lower root-zone can result in both greater water use efficiency and improved fruit quality over surface applied drip irrigation. A randomized complete block design with three replications of each treatment and a split plot design to compare pulse and continuous irrigation schedules were used with season-long deficit irrigation treatments at Kiona Vineyards in the Red Mountain AVA of Washington. During 2015-2016, over 800 vines received subsurface drip irrigation applied by direct root-zone (DRZ) delivery at depths of 1, 2 or 3 feet below ground via vertically installed hard plastic tubes. Subsurface irrigation was delivered as either continuous or pulsed application and compared to surface drip irrigation application on an additional 180 vines managed to meet commercial production and quality goals. Obj. 3: Develop technology transfer products for a diversity of stakeholders to promote adoption of microirrigation. Our lab group is developing a web-site https://labs.wsu.edu/jacoby/ inform our grower audience about our most current research activities and findings. Additionally, we participate in field days to engage growers with on-site applied research each growing season, present posters and oral reports of our research at annual grower meetings such as the Washington Winegrowers and the Washington Grape Society, as well as national meetings such as the Irrigation Association and American Society of Enology and Viticulture. We also prepare new articles for the popular press and work closely with reporters with local and area media outlets. The project PI and a colleague presented a webinar sponsored by Decagon Devices on the topic Growing Wine Grapes with Less Water which featured subsurface micro-irrigation technology developed through our applied research program. IMPACTS Our project participation has not yet been sufficiently long to produce impacts; however, interest in subsurface micro-irrigation is high. Our research, featuring a new concept for subsurface irrigation delivery, has drawn considerable inquiry from regional growers. During 2015, a growing season during which record setting heat and drought was recorded, we demonstrated the ability to sustain the vigor of vineyards on irrigation rates that were only 30 to 15 percent of commercial rates using traditional surface drip irrigation. Production rates were 75 to 70 percent less than that of full commercial rates of irrigation during 2015 and slightly less than those rates during the second consecutive year of season-long deficit irrigation. Our multi-disciplinary team has also seen potential for using remote sensing to monitor plant water stress in vineyards. These techniques have shown potential to aid in more effective irrigation scheduling.
Publications
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Ma, X.C., P.W. Jacoby, and J.R. Thompson. 2016. Assessing impacts of direct root-zone
Irrigation on grapevine physiology. In: Program and Technical Abstracts, Ann. Meeting, ASA-CSSA-SSSA. Nov. 7-11. Phoenix, AZ (3rd place award graduate poster category)
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Jacoby, P.W., S.H. Sadeghi, J.R. Thompson, Z.B. York, and X.C. Ma. 2016. Influence of direct root-zone micro-irrigation on production of Cabernet Sauvignon in the Pacific Northwest. In:
Program and Technical Abstracts, p. 97. June 27-30. Monterey, CA
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Jacoby, P.W., S.H. Sadeghi, J.R. Thompson, Z.B. York, and X.C. Ma. 2016. Influence of direct root-zone micro-irrigation on production of Cabernet Sauvignon. In: Poster Abstracts Ann. Meeting, WA Assn. Wine Grape Growers, pp. 20-21. Feb. 9-11. Kennewick, WA
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Sadeghi, S.H., P. Jacoby, B. Lamb, J. Chi, P. OKeeffe, and H. Liu. 2016. Introducing the eddy covariance system to improve water use efficiency and grape quality in Washington vineyards. Annual Meeting, ASABE. Orlando, FL
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Bartoshevich, R., J. Chi, S.N. Pressley, H. Liu, B.K. Lamb, P. OKeefee, P.W. Jacoby, and S.H. Sadeghi. 2016. Quantifying the influence of irrigation and meteorology on water use efficiency at a vineyard in Washington. In: Program/Proceedings 15th Ann. Amer. Meteorological Soc.
Jan. 9-10, New Orleans, LA
- Type:
Other
Status:
Published
Year Published:
2016
Citation:
Khot, L.R. and P.W. Jacoby. 2016. Growing vines with less water: Use of remote sensing and new irrigation methods to increase water conservation in wine grape production. Decagon Webinar Series, October 27. Pullman, WA
- Type:
Websites
Status:
Published
Year Published:
2016
Citation:
Jacoby, P.W. 2016. Direct root-zone irrigation in vineyards. In: WSU Viticulture and Enology Extension News, p. 8, spring ed. http://www.wine.wsu.edu/research-extension.
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Jacoby, P.W., A.J. McElrone, S. Sankaran, L.R. Khot, M. Keller, and R.T. Peters. 2016. Precision
sub-surface irrigation to regulate wine grape physiology. Ann. Conference, NW Center for Small Fruits Research, Dec. 8. Kennewick, WA
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Jacoby, P.W. 2016. Impacts of season-long deficit irrigation on canopy growth and stress physiology of wine grapes. Vit. & Enol. Extension Field Day, Benton City, WA
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Thompson, J.R. and P.W. Jacoby. 2016. Deep subsurface drip irrigation for vineyard application. SURCA WSU Showcase Event. Mar. 25, Pullman, WA (Crimson Award Recipient)
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
York, Z.B., P.W. Jacoby, R.T. Peters, S. Sankaran, L.R. Khot, and J.R. Thompson. 2016. Deep subsurface irrigation in Concord vineyards. SURCA WSU Showcase Event, Mar. 25. Pullman
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Jacoby, P.W. 2016. Use of subsurface irrigation to increase water use efficiency and water conservation in specialty crops. Presented to Grape Technology Group organized by Gwen Hoheisel. Feb. 4, Prosser, WA
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Jacoby, P.W., X.C. Ma, and J.R. Thompson. 2016. Effects of root-zone micro-irrigation on Cabernet Sauvignon. Proceedings: Technical Education Conference on Use of Micro-irrigation in Agricultural Cropping Systems, Irrigation Association Annual Meeting.
(full-length paper and oral presentation). December 5-9, 2016. Las Vegas, NV
- Type:
Conference Papers and Presentations
Status:
Published
Year Published:
2016
Citation:
Zuniga, C.E., L.R. Khot, P.W. Jacoby, and S. Sankaran. 2016. Remote sensing based water-use efficiency evaluation in sub-surface irrigated wine grape vines. Proc. SPIE 9866, Autonomous Air and Ground Sensing Systems for Agricultural Optimization and Phenotyping. http://dx.dpi.org/10.1117/12.2228791/.
|
Progress 10/01/14 to 09/30/15
Outputs
Target Audience:Specialty crop producers. Changes/Problems:
Nothing Reported
What opportunities for training and professional development has the project provided?The project has provided the opportunity this year to participate in a joint ASABE/IA Irrigation Symposium held on Nov. 10-12, 2015 in Long Beach, CA. and to participate as Secretary for the annual meeting of the W3128 project members at the same location. How have the results been disseminated to communities of interest?Results have been disseminated through symposium proceedings and posters presented during a number of meetings, both professional and commodity focused. What do you plan to do during the next reporting period to accomplish the goals?I will serve as chair-elect of W3128 during the next reporting period and participate in the annual meeting. I will continue to pursue acquisition of research grants supporting micro-irrigation and water use efficiency and present results to professional and grower organizations through a variety of media sources.
Impacts
What was accomplished under these goals?
Subsurface micro-irrigation - Wine grapes Subsurface irrigation research trials are underway in the Yakima Valley vineyards to evaluate opportunities to conserve water, energy and pesticide use while producing superior quality grapes. Electronic irrigation controllers are employed to schedule water delivery in continuous and short duration applications. Vertical delivery tubes, rather than buried lines, are being evaluated in their ability to deliver water to precise depths in the lower plant root zone. Plant water stress is determined by on-plant measurements and correlated to digital images from infrared and multi-spectral camera platforms. Integration of these technologies should help advance the opportunities for winegrape growers in the Pacific Northwest to increase production efficiency through the use of precise and automated instrumentation in irrigation scheduling and plant sensing systems. At early veraison, the lowest rate of irrigation delivered subsurface exhibited more stress than the full irrigation rate delivered by surface drip, regardless of whether applied as pulse or constant rates. Cluster weights at mid-veraison were lower for all subsurface delivery (SSD) treatments applied at reduced amounts of water using pulsed application than were clusters sampled from the surface drip (SD) full commercial rate treatment. By contrast, cluster weights from SSD treatments applied at constant application were similar between SD and SDD treatments, regardless of water amount or depth of water delivery. Clusters from SSD treatments applied in pulses of water had lower numbers of berries per cluster than clusters from the SD treatment, but were more similar in number in the SDD treatments with 30 and 60 percent of water applied. By contrast, all SSD treatments were found to have greater numbers of berries per cluster than SD, regardless of amount of water applied or depth of water delivery. Individual berry weights were generally lower for the SDD treatments whether applied under pulse or constant delivery. At harvest, total fruit production was weighed from each vine. While production was greater from vines receiving commercial rates of irrigation, production from the subsurface treatments was possible under rates as low as 15 % of the commercial rate. Subsurface micro-irrigation - Juice grapes A subsurface delivery system was installed within a 12-year old block of Concord grapes located on the Roza Unit of the WSU Prosser-Irrigated Agriculture Research and Extension Center near Prosser, WA during 2014 and date collection began during the 2015 growing season - one of the hottest and driest periods on record. Experiment design is a randomized complete block (RCB) with 5 replications of main effect treatments to test plant responses among standard surface drip irrigation and sub-surface drip irrigation delivered at 1-,2-,3- and 4-feet below the soil surface. The experimental design employs a split-plot sub-treatment with 3 replications to compare differences in plant response to full-rate irrigation (8 gallons per plant) and half-rate irrigation (4 gallons per plant) per irrigation date, as scheduled by estimated E/T rates and measured stem xylem pressure potential. Data collection in 2015 was terminated when water delivery was interrupted by the irrigation district as a result of water shortage and the fact that the site was located on a junior water right. The experiment will be repeated during the 2016 growing season.
Publications
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, P.W., R.T. Peters, S. Sankaran, and L.R. Khot. Advancing water use efficiency in vineyards with subsurface micro-irrigation techniques. In: Emerging Technologies for Sustainable Irrigation A joint ASABE/IA Irrigation Symposium.Nov. 10-12, 2015. Long Beach, CA. 8 p.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Bartoshevich, R., J. Chi, S.N. Pressley, H. Liu, B.K. Lamb, P. OKeeffe, P.W. Jacoby, and S.H. Sadeghi. 2016. Quantifying the influence of irrigation and meteorology on water use efficiency at a vineyard in Washington. 15th Annual Amer. Meteorological Society Student Conf. Beyond the Weather Embracing the interface of science and society. Jan. 9-10, New Orleans, LA.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, P.W. 2015. Deep subsurface micro-irrigation for increasing vineyard water use efficiency. p. 125 In: Science a platform for progress. Technical Abstracts. 66th National Conference of the American Society of Enology and Viticulture. June 15-18, 2015. Portland, OR. 176 p.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, P.W. 2015. Deep subsurface drip irrigation for vineyard application. p. 3. In: R. Hoff, (ed.) Poster Abstracts, Annual Meeting, Washington Assn. Wine Grape Growers. February 9-13, 2015. Kennewick, WA. 29 p
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Zuniga, C.E., S. Jarolmasjed, P.W. Jacoby, L.R. Khot, and S. Sankaran. 2015. Role of non-contact sensing for water management in grapevines at different growth stages. 111th Annual Meeting, WA State Hort. Assn, Dec, 7-9. Yakima, WA
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, P.W., A.J. McElrone, S. Sankaran, L.R. Khot, M. Keller, and R.T. Peters. 2015. Precision sub-surface irrigation to regulate wine grape physiology. Annual Conference, NW Center for Small Fruits Research, Dec. 1. Portland/Clackamas, OR
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
York, Z.B., P.W. Jacoby, R.T. Peters, S. Sankaran, L.R. Khot, and J.R. Thompson. 2015. Deep subsurface irrigation in Concord vineyards. Annual meeting, WA State Grape Society, Nov. 12-13, Grandview, WA.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Sadeghi, S.H., P. Jacoby, B. Lamb, J. Chi, P. OKeeffe, and H. Liu. 2015. Introducing the eddy covariance system to improve water use efficiency and grape quality in Washington vineyards. Annual meeting, WA State Grape Society, Nov. 12-13, Grandview, WA.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Sadeghi, S.H., P. Jacoby, B. Lamb, J. Chi, P. OKeeffe, and H. Liu. 2015. Introducing the eddy covariance system to improve water use efficiency and grape quality in Washington vineyards. 6th Annual NW Climate Conference, Nov. 3-5, Coeur dAlene, ID
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, P.W., R.T. Peters, S. Sankaran, L.R. Khot, J.R. Thompson, and S.B. York. 2015. Deep subsurface irrigation to advance precision vineyard management. CPAAS Technology Day, September 17, 2015. WSU Prosser-IAREC.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Sadeghi, S.H., P. Jacoby, B. Lamb, J. Chi, P. OKeeffe, and H. Liu. 2015. Introducing the eddy covariance system to improve water use efficiency and grape quality in Washington vineyards. CPAAS Technology Day, September 17, 2015, WSU Prosser-IAREC.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Thompson, J.R., and P.W. Jacoby. 2015. Deep subsurface drip irrigation for vineyard application (Vitus vinifera). CPAAS Technology Day, September 17, 2015, WSU Prosser-IAREC.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
York, Z.B., P.W. Jacoby, R.T. Peters, S. Sankaran, L.R. Khot, and J.R. Thompson. 2015. Deep subsurface irrigation in Concord vineyards. CPAAS Technology Day, Sep.17. WSU Prosser.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Zuniga, C.E., S. Jarolmasjed, P.W. Jacoby, L.R. Khot, and S. Sankaran. 2015. Evaluating water use efficiency using advanced sensing techniques. CPAAS Techn. Day, Sep.17. WSU Prosser.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, Pete W. January 22, 2015. Meet with stakeholder advisory group to discuss micro-irrigation and techniques to determine vineyard scale water use efficiency. WSU Prosser-IAREC. 4 contacts.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, Pete W. January 23, 2015. Deep subsurface drip irrigation to conserve water for wine grape production. WA State Grape and Wine Research Program committee. WSU Tri-Cities campus, Richland, WA. 50 contacts.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, Pete W. February 19, 2015. Deep subsurface micro-irrigation to maximize production of Concord grapes. WA State Concord Grape Research Review. Prosser, WA. 12 contacts.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Peters, R. Troy. March 7, 2015. Irrigation equipment and demonstration for grapes. Grape Camp, Prosser, WA. 25 contacts.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, Pete W. April 15-17, 2015. Discussions of water conservation for grape production. National Grape and Wine Initiative Board of Directors, Washington, D.C. 30 contacts.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Jacoby, Pete W. July 9, 2015. Meeting with stakeholder advisory group to discuss water management during extreme drought. WSU Prosser-IAREC. 4 contacts.
- Type:
Conference Papers and Presentations
Status:
Other
Year Published:
2015
Citation:
Peters, R. Troy. August 8, 2015. Chemigation and irrigation setup and management for grapes. WSU Prosser Viticulture Field Day. 60 contacts.
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