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Etiology of soybean sudden death syndrome

Several of our projects focus on understanding how the sudden death syndrome (SDS) pathogen, Fusarium virguliforme, causes disease on soybeans. We have been investigating the root infection process, and determining how soil temperature and plant growth stage at time of infection affects the development of the disease. We are also comparing the susceptibility of soybean plants of different genetic backgrounds to pathogen toxins.


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Soybean root rot complex

We are conducting research to identify biotic and abiotic factors responsible for causing root rot on soybeans, and to estimate potential yield losses caused bysoybeanroot rot. A large component of this study is focused on indentifying the complex of Fusarium species that are pathogenic on soybeans and identify their contribution to reduced soybean productivity. We are also analyzing the relationshipsbetween soil pH, SCN density and root rot severity.


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Soybean rust

The goal of this project is to identify components of partial resistance to soybean rust by conducting detailed epidemiological studies on the infection process and disease progress over time. One of the objectives of the study is to determine if leaves of different ages vary in their susceptibility to infection by the soybean rust pathogen. This project is in collaboration with the North Florida Research and Education Center of the University of Florida.


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Leonor F Leandro

photograph of Leonor Leandro
PI
Associate Professor
Area of Expertise: 
Field Crops, Mycology, Disease Management