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UC Riverside researcher receives $9 million USDA grant to study potato and tomato disease
Date:3/30/2011

rside today (March 30) to make a formal announcement of the research grant and meet with Judelson as well as other UCR scientists and administrators.

"More than 40 percent of current crop production among the top 10 food crops is lost to pests and diseases annually and that is a huge loss for farmers," Woteki said. "USDA is funding this project to help agricultural producers win the future by ensuring our country can keep producing the food needed to meet rising global demand in a sustainable way."

Late blight symptoms include the appearance of dark lesions on leaf tips and plant stems. In humid conditions, white mold appears under the leaves. Infected potatoes show gray or dark patches outside; inside, such potatoes show reddish brown lesions. A threat to home gardeners and commercial farmers, the disease can wipe out tomato and potato fields within a week.

The disease is caused by Phytophthora infestans, the most significant pathogen of potato, and a noteworthy tomato pest. Spores of the pathogen primarily travel in air, eventually landing on plants where the spores colonize leaves and cause them to die. Spores also can enter the soil, reach potato tubers, and destroy them. Available fungicides tend to be expensive and have potentially adverse environmental effects. Moreover, some strains of the pathogen are resistant to some fungicides.

"This grant to Dr. Judelson builds on historic UC Riverside strengths in research on this pathogen and is one more acknowledgement that UC Riverside is a leader in agricultural research," said Donald Cooksey, divisional dean for agriculture and natural resources in UCR's College of Natural and Agricultural Sciences. "By leading research on managing late blight, we will help protect the productivity of tomato and potato farmers worldwide."

The research project will emphasize providing growers with better tools for managing th
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Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6050
University of California - Riverside
Source:Eurekalert  

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UC Riverside researcher receives $9 million USDA grant to study potato and tomato disease
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