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United States Department of Agriculture

Agricultural Research Service

Deanna Funnell-Harris

Research Plant Pathologist


Research Objectives

  1. Determine and manipulate the genetic, biochemical and physiological mechanisms controlling the biological pathways involved in non-grain energy sorghum germplasm.
  2. Determine the impact of fungal pathogens on non-grain energy sorghum germplasm, and determine mechanisms of resistance to sorghum pathogens.
  3. Develop and evaluate germplasm to improve sorghum for non-grain energy uses.

 

 

Stalk rot can cause lodging of sorghum under stressful
environmental conditions.

/ARSUserFiles/21459/DFHStalkRot.jpg

 

Symptoms of fungal-infected plants
grown under adequate (left) or limited
(right) water.

/ARSUserFiles/21459/DFHFungal.jpg

 

Stalk disease in sweet sorghum

plants 0, 3 or 13 days after infection.

/ARSUserFiles/21459/DFHDisease.jpg

Last Modified: 12/1/2016
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