Source: UNIVERSITY OF FLORIDA submitted to NRP
BREEDING AND GENETICS OF FRESH MARKET TOMATOES
Sponsoring Institution
State Agricultural Experiment Station
Project Status
COMPLETE
Funding Source
STATE
Reporting Frequency
Annual
Accession No.
0206298
Grant No.
(N/A)
Cumulative Award Amt.
(N/A)
Proposal No.
(N/A)
Multistate No.
(N/A)
Project Start Date
Oct 1, 2004
Project End Date
Oct 1, 2009
Grant Year
(N/A)
Program Code
[(N/A)]- (N/A)
Recipient Organization
UNIVERSITY OF FLORIDA
G022 MCCARTY HALL
GAINESVILLE,FL 32611
Performing Department
PLANT PATHOLOGY
Non Technical Summary
Bacterial spot of tomato is a significant problem in tomato production in Florida. Conventional control strategies do not provide complete control comparable to achieved with many of the fungal disease. The project focuses on identifying new sources of resistance and combining them with already available resistance.
Animal Health Component
(N/A)
Research Effort Categories
Basic
100%
Applied
(N/A)
Developmental
(N/A)
Classification

Knowledge Area (KA)Subject of Investigation (SOI)Field of Science (FOS)Percent
2151460110050%
2161460110050%
Knowledge Area
215 - Biological Control of Pests Affecting Plants; 216 - Integrated Pest Management Systems;

Subject Of Investigation
1460 - Tomato;

Field Of Science
1100 - Bacteriology;
Goals / Objectives
1. To identify resistance to the bacterial spot pathogen. 2. To characterize the resistance and introgress resistance into near isogenic lines.
Project Methods
We are continuing to identify resistance to all the know tomato races of the bacterial spot pathogens of tomato. We are focusing on tomato race 2 and tomato race 3. We are making crosses using plant introductions and are looking for quantitiative resistance.

Progress 10/01/09 to 09/30/10

Outputs
OUTPUTS: We are currently working on introgressing Xv4 derived from Solanum pinnellii into S. lycopersicum. We are using a Xanthomonas perforans tomato race 4 strain for selecting for this resistance. We have made significant progress in separating this resistance gene from deleterious genes associated with expression of this resistance in S. lycopersicon. We are in the process of combining this resistance with other resistance genes in order to develop tomato genotypes with more durable resistance. PARTICIPANTS: Not relevant to this project. TARGET AUDIENCES: Other researchers involved in breeding for resistance to bacterial spot of tomato. PROJECT MODIFICATIONS: Not relevant to this project.

Impacts
Identification of tomato genotypes in which Xv4 is expressed without deleterious effects will serve a useful purpose in combining this resistance with other R genes for more durable resistance in tomato.

Publications

  • No publications reported this period


Progress 10/01/04 to 10/01/09

Outputs
OUTPUTS: Last report should have been marked final. This is to close out this project. PARTICIPANTS: Not relevant to this project. TARGET AUDIENCES: Not relevant to this project. PROJECT MODIFICATIONS: Not relevant to this project.

Impacts
Last report should have been marked final. This is to close out this project.

Publications

  • No publications reported this period