Progress 07/01/02 to 06/30/06
Outputs
Objective 1. Provide support for research to increase stakeholder adoption of IPM practices. The Clemson University IPM Grants Program (supported by Smith-Lever 3(d) funds) provided a total of $36,812 to support 9 IPM research and extension projects during the 2004/2005 funding cycle. Projects were selected based on their ability to promote the integration of pest management components into practical and efficient management systems, and which had the potential for statewide impact. A summary of each project along with project outcomes and impacts are available at http://www.clemson.edu/scg/ipm/awards.htm. Objective 2. Quantify the benefits of IPM research and extension programs. A mail survey was sent to all cotton growers in South Carolina to determine the extent of grower adoption of Clemson-recommended IPM practices and economic benefits that incurred. Analyses of the survey data indicated that farmers in South Carolina are strongly influenced by Clemson IPM
research and extension programs. The data also indicate that cotton yields of growers who have often or always follow Clemson IPM recommendations are greater than yields of growers who never or rarely follow recommendations. The economic benefit to growers who adopted Clemson cotton IPM recommendations was calculated to be $57 per acre. A pre-publication report may be found at http://www.clemson.edu/scg/ipm/cottonipm.pdf. Objective 3. Provide research to support transition to sustainable/organic farming practices. Field experiments to evaluate the benefits of velvetbean and soybean as summer cover crops preceding vegetable (broccoli) production were completed. Three fertilizer treatments of full, half and zero levels of nitrogen were overlaid on the cover crop treatments to identify the replacement amounts of nitrogen required in each cover crop treatment. Velvetbean replaced half the recommended amount of nitrogen, and soybean replaced 100% of the recommended amount of nitrogen. Both
cover crops improved yields of broccoli to varying degrees (manuscript in preparation). Field experiments were conducted to evaluate foliar applications of compost extract (tea) for control of tomato and cucurbit diseases. Results demonstrated that the incidence of fungal diseases was lower in treatments treated with compost tea than in control treatments. First year field experiments were begun to evaluate and compare various manures, composts and soil amendments in organic vegetable production. Objective 4. Conduct market research in support of a Clemson Farmers Market. New and previously conducted survey data were analyzed to estimate potential market opportunities for local and organic produce sales in South Carolina. Results indicated a strong consumer demand for local/organic produce, particularly in urban areas. Farmers market and subscription market programs were successfully continued during 2005 on Clemson University campus and marketing strategies continue to be evaluated
and fine-tuned.
Impacts
Research projects were conducted which will promote the adoption of environmentally friendly agricultural and integrated pest management practices by conventional and organic farmers. The survey of South Carolina cotton growers showed the economic benefits of Clemson IPM research and extension programs. The organic vegetable research will aid growers in their transition to more sustainable production practices. The market research will help to promote locally grown commodities and will facilitate the expansion of direct agricultural market programs.
Publications
- Zehnder, G., G. Gurr, S. Keuhne, M. Wade, S. Wratten and E. Wyss. 2007. Arthropod pest management in organic crops. Annual Review of Entomology, Vol. 52: 57-80.
- Zehnder, Geoffrey W. 2005. Integrated Pest Management for Organic Systems: Moving Towards a Higher Level of Inegration. Organic Research. May, 1N-2N. http://www.organic-research.com.
- Aselage, J. and G. W. Zehnder. 2005. Industry perspective on research priorities for IPM in organic crops for processing. Organic Research. May, 3N-7N. http//www.organic-research.com.
- Zehnder, G.W., C. Hope, H. Hill, L. Hoyle and J. Blake. 2003. An assessment of consumer preferences for IPM- and organically-grown produce. Journal of Extension 41 (2) http://www.joe.org/joe/2003april/index.shtml.
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Progress 01/01/05 to 12/31/05
Outputs
Objective 1. Provide support for research to increase stakeholder adoption of IPM practices. The Clemson University IPM Grants Program (supported by Smith-Lever 3(d) funds) provided a total of $36,812 to support 9 IPM research and extension projects during the 2004/2005 funding cycle. Projects were selected based on their ability to promote the integration of pest management components into practical and efficient management systems, and which had the potential for statewide impact. A summary of each project along with project outcomes and impacts are available at http://www.clemson.edu/scg/ipm/awards.htm. Objective 2. Quantify the benefits of IPM research and extension programs. A mail survey was sent to all cotton growers in South Carolina to determine the extent of grower adoption of Clemson-recommended IPM practices and economic benefits that incurred. Analyses of the survey data indicated that farmers in South Carolina are strongly influenced by Clemson IPM
research and extension programs. The data also indicate that cotton yields of growers who have often or always follow Clemson IPM recommendations are greater than yields of growers who never or rarely follow recommendations. The economic benefit to growers who adopted Clemson cotton IPM recommendations was calculated to be $57 per acre. A pre-publication report may be found at http://www.clemson.edu/scg/ipm/cottonipm.pdf. Objective 3. Provide research to support transition to sustainable/organic farming practices. Field experiments to evaluate the benefits of velvetbean and soybean as summer cover crops preceding vegetable (broccoli) production were completed. Three fertilizer treatments of full, half and zero levels of nitrogen were overlaid on the cover crop treatments to identify the replacement amounts of nitrogen required in each cover crop treatment. Velvetbean replaced half the recommended amount of nitrogen, and soybean replaced 100% of the recommended amount of nitrogen. Both
cover crops improved yields of broccoli to varying degrees (manuscript in preparation). Field experiments were conducted to evaluate foliar applications of compost extract (tea) for control of tomato and cucurbit diseases. Results demonstrated that the incidence of fungal diseases was lower in treatments treated with compost tea than in control treatments. First year field experiments were begun to evaluate and compare various manures, composts and soil amendments in organic vegetable production. Objective 4. Conduct market research in support of a Clemson Farmers Market. New and previously conducted survey data were analyzed to estimate potential market opportunities for local and organic produce sales in South Carolina. Results indicated a strong consumer demand for local/organic produce, particularly in urban areas. Farmers market and subscription market programs were successfully continued during 2005 on Clemson University campus and marketing strategies continue to be evaluated
and fine-tuned.
Impacts
Research projects were conducted which will promote the adoption of environmentally friendly agricultural and integrated pest management practices by conventional and organic farmers. The survey of South Carolina cotton growers showed the economic benefits of Clemson IPM research and extension programs. The organic vegetable research will aid growers in their transition to more sustainable production practices. The market research will help to promote locally grown commodities and will facilitate the expansion of direct agricultural market programs.
Publications
- M. Robertson, M. Hammig and G. Zehnder. 2005. Adoption of integrated pest management practices by South Carolina cotton growers. Journal of Extension, 43:6; available online at http://www.joe.org/joe/2005december/rb10.shtml
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Progress 01/01/04 to 12/31/04
Outputs
Objective 1. Provide support for research to increase stakeholder adoption of IPM practices. The Clemson University IPM Grants Program (supported by Smith-Lever 3(d) funds) provided a total of $48,650 to support 14 IPM research and extension projects during the 2003/2004 funding cycle. Projects were selected based on their ability to promote the integration of pest management components into practical and efficient management systems, and which had the potential for statewide impact. A summary of each project along with project outcomes and impacts are available at http://www.clemson.edu/scg/ipm/awards.htm#2004. Objective 2. Quantify the benefits of IPM research and extension programs. A mail survey was sent to all cotton growers in South Carolina to determine the extent of grower adoption of Clemson-recommended IPM practices and economic benefits that incurred. Analyses of the survey data indicated that farmers in South Carolina are strongly influenced by Clemson IPM
research and extension programs. The data also indicate that cotton yields of growers who have often or always follow Clemson IPM recommendations are greater than yields of growers who never or rarely follow recommendations. The economic benefit to growers who adopted Clemson cotton IPM recommendations was calculated to be $57 per acre. A pre-publication report may be found at http://www.clemson.edu/scg/ipm/cottonipm.pdf. Objective 3. Provide research to support transition to sustainable/organic farming practices. Field experiments to evaluate the benefits of velvetbean and soybean as summer cover crops preceding vegetable (broccoli) production were completed. Three fertilizer treatments of full, half and zero levels of nitrogen were overlaid on the cover crop treatments to identify the replacement amounts of nitrogen required in each cover crop treatment. Velvetbean replaced half the recommended amount of nitrogen, and soybean replaced 100% of the recommended amount of nitrogen. Both
cover crops improved yields of broccoli to varying degrees (manuscript in preparation). Field experiments were conducted to evaluate foliar applications of compost extract (tea) for control of tomato and cucurbit diseases. Results demonstrated that the incidence of fungal diseases was lower in treatments treated with compost tea than in control treatments. Objective 4. Conduct market research in support of a Clemson Farmers Market. New and previously conducted survey data were analyzed to estimate potential market opportunities for local and organic produce sales in South Carolina. Preliminary analyses of data suggest a strong consumer demand for local/organic produce, particularly in urban areas. Farmers market and subscription market programs were successfully continued during 2004 on Clemson University campus and marketing strategies continue to be evaluated and fine-tuned.
Impacts
Research projects were conducted which will promote the adoption of environmentally friendly agricultural and integrated pest management practices by growers and homeowners. The survey of cotton growers provided hard data on the benefits of Clemson IPM research and extension programs. These data can be used to justify future funding for IPM programs. The organic vegetable research will aid growers in their transition to more sustainable production practices. The market research will help to promote locally grown commodities and will facilitate the expansion of direct agricultural market programs.
Publications
- M. Robertson, M. Hammig and G. Zehnder. 2005. Adoption of integrated pest management practices by South Carolina cotton growers. Journal of Extension (in press)
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Progress 01/01/03 to 12/31/03
Outputs
Objective 1. Provide support for research to increase stakeholder adoption of IPM practices. The Clemson University Integrated Pest Management (IPM) Program awarded $64,651 on a competitive basis to support 13 research and extension projects for 2002/2003. Projects were selected based on their ability to promote the integration of pest management components into practical and efficient management systems, and which had the potential for statewide impact. A summary of the projects is available at http://www.clemson.edu/scg/ipm/reports/2002-2003.htm Objective 2. Quantify the benefits of IPM research and extension programs. A mail survey was sent to all cotton growers in South Carolina to determine the extent of grower adoption of Clemson-recommended IPM practices and economic benefits that incurred. Analyses of the survey data indicated that farmers in South Carolina are strongly influenced by Clemson IPM research and extension programs. The data also indicate that
cotton yields of growers who have often or always follow Clemson IPM recommendations are greater than yields of growers who never or rarely follow recommendations. The economic benefit to growers who adopted Clemson cotton IPM recommendations was calculated to be $57 per acre. A pre-publication report may be found at http://www.clemson.edu/scg/ipm/cottonipm.pdf Objective 3. Provide research to support transition to sustainable/organic farming practices. Second year field experiments were conducted to evaluate velvet bean and soybean as green manure and weed suppression crops in vegetable production. Preliminary analyses indicated that broccoli and cabbage tissue nitrogen levels were significantly higher in plots where a soybean cover crop was previously planted compared with plots where no cover crop was planted. Correspondingly, broccoli yields were significantly higher in soybean cover crop plots than in plots with no cover crop. A publication with project results is scheduled for
completion in summer 2004. Objective 4. Conduct market research in support of a Clemson Farmers Market. New and previously conducted survey data were analyzed to estimate potential market opportunities for local and organic produce sales in South Carolina. Preliminary analyses of data suggest a strong consumer demand for local/organic produce, particularly in urban areas. Farmer market and subscription market programs were established on Clemson University campus and marketing strategies tested with consumers.
Impacts
Research projects were conducted which will promote the adoption of environmentally friendly agricultural and integrated pest management practices by growers and homeowners. The survey of cotton growers provided hard data on the benefits of Clemson IPM research and extension programs. These data can be used to justify future funding for IPM programs. The organic vegetable research will aid growers in their transition to more sustainable production practices. The market research will help to promote locally grown commodities and will facilitate the expansion of direct agricultural market programs.
Publications
- No publications reported this period
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Progress 01/01/02 to 12/31/02
Outputs
Objective 1. Provide support for research to increase stakeholder adoption of IPM practices. The Clemson University Integrated Pest Management (IPM) Program awarded $102,000 on a competitive basis to support 19 research and extension projects for 2001/2002. Projects were selected based on their ability to promote the integration of pest management components into practical and efficient management systems, and which had the potential for statewide impact. A summary of the projects is available at http://www.clemson.edu/ipm/reports/2001-2002.htm. Objective 2. Quantify the benefits of IPM research and extension programs. A mail survey was sent to all cotton growers in South Carolina to determine the extent of grower adoption of Clemson-recommended IPM practices and economic benefits that incurred. Preliminary analysis of the survey data indicate that farmers in South Carolina are strongly influenced by Clemson's IPM research and extension programs. The data also
indicate that cotton yields of growers who have often or always follow Clemson IPM recommendations are greater than yields of growers who never or rarely follow recommendations. A complete report may be found at http://www.clemson.edu/ipm/cottonipm.pdf. Objective 3. Provide research to support transition to sustainable/organic farming practices. First year field experiments were conducted to evaluate aerobic liquid extract from compost for disease management in tomato, and to evaluate velvet bean as a green manure and weed suppression crop in vegetable production. Analysis of data from the compost extract experiment indicated that the incidence of fungal diseases were significantly lower in the compost extract treatments than in the untreated control. Data from the velvet been experiment has not yet been analyzed. Both experiments will be repeated in 2003. Objective 4. Conduct market research in support of a Clemson Farmers Market. Consumer surveys were conducted at four locations in
South Carolina to determine buying preferences for organic produce. Survey results indicated that consumers are willing to pay between 5-25% more for organically grown produce. A farmer's market program and a subscription market program were begun at Clemson to market Clemson-produced vegetables and cut flowers.
Impacts
Research projects were conducted which will promote the adoption of environmentally friendly integrated pest management practices by growers and homeowners. The survey of cotton growers provided hard data on the benefits of Clemson IPM research and extension programs. These data can be used to justify future funding for IPM programs. The organic vegetable research will aid growers in their transition to more sustainable production practices. The market research will help to promote locally grown commodities and will facilitate the expansion of direct agricultural market programs.
Publications
- Zehnder, G.W., C. Hope, H. Hill, L. Hoyle and J. Blake. 2002. An assessment of consumer preferences for IPM- and organically-grown produce. Journal of Extension 40:in press.
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