2021
Developing Breeding Resources and Understanding Pathogen Biology to Control Frogeye Leaf Spot in Indiana
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Contributor/Checkoff:
Indiana Soybean Alliance
Category:
Sustainable Production
Keywords:
GeneticsGenomics
Parent Project:
This is the first year of this project.
Lead Principal Investigator:
Jianxin Ma, Purdue University
Co-Principal Investigators:
Project Code:
Contributing Organization (Checkoff):
Indiana Soybean Alliance
$89,805
Institution Funded:
Purdue University
$89,805
Brief Project Summary:
Frogeye leaf spot has become a serious threat to soybean production in Indiana and the North Central region. Resistant cultivars and other tools are needed to control this disease. This project will investigate pathogen biology, especially the aspects closely related to disease control, and develop breeding resources for this disease. The project objectives include identifying new sources of resistance to frogeye leaf spot; characterize previously identified sources of resistance and identify associated markers to facilitate breeding; and evaluate virulence spectrum, population structure, sexual recombination, and QoI-resistance in the pathogen C. sojina.
Key Beneficiaries:
#breeders, #farmers, #geneticists, #scientists
Unique Keywords:
#breeding & genetics, #breeding and genetics, #frogeye leaf spot, #soybean diseases
Information And Results
Project Summary

Frogeye leaf spot has now become a serious threat to soybean production in Indiana and the North Central Region. It caused record yield loss in 2018. Resistant cultivars and other tools are needed to control this disease. Here we propose to investigate pathogen biology, especially the aspects closely related to disease control, and to develop breeding resources for this disease. Specifically, we have three objectives: 1) identify new sources of resistance to frogeye leaf spot; 2) characterize previously identified sources of resistance and identify associated markers to facilitate breeding; and 3) evaluate virulence spectrum, population structure, sexual recombination, and QoI-resistance in the pathogen, C. sojina.

Project Objectives

The overall goal is to study pathogen biology and to develop breeding resources for frogeye leaf spot. For pathogen biology, we will focus on aspects that are closely related to disease control. For the development of breeding resources, we will identify new sources of resistance, characterize previously identified sources of resistance, and develop breeding populations.

Objective 1: Identify new sources of resistance to frogeye leaf spot.

Objective 2: Characterize previously identified sources of resistance and identify
associated molecular markers to facilitate breeding.

Objective 3: Evaluate virulence spectrum, population structure, sexual recombination, and QoI-resistance in C. sojina.

Project Deliverables

Progress Of Work

Final Project Results

Benefit To Soybean Farmers

The United Soybean Research Retention policy will display final reports with the project once completed but working files will be purged after three years. And financial information after seven years. All pertinent information is in the final report or if you want more information, please contact the project lead at your state soybean organization or principal investigator listed on the project.