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United States Department of Agriculture

Agricultural Research Service

Production Research
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1 - Overview
2 - Irrigation
3 - Furrow Diking
4 - Plant Physiology
Plant Physiology

Peanut physiological research at the USDA-ARS National Peanut Research Laboratory is focused in two primary areas:

1.  drought responses and water-use efficiency, and

Plant Peanut peg identification

2.  physiological responses involved in disease resistance

Peanut plant infected with TSWV Normal peanut plant

NPRL's program is concentrated in the field physiology realm - examining leaf and whole plant level responses under conditions typically experienced by the crop during the growing season.  Objectives are aimed at determining methods of crop management that can be economically applied by growers and that manipulate physiological responses in a beneficial way.  For example, topics being investigated include:

  • eliciting drought acclimation responses in the crop through exposure to early season water deficits;
  • providing physiologically based selection methods for improved water-use efficiency in peanuts;
  • determining the critical periods of plant viral infection to better target control measures and improve their performance;
  • and applying chemical treatments that initiate genetic responses in peanuts that increase disease tolerance throughout the season.

Please view or download the following pdfdocument:

Root Studies Tomato Spotted Wilt Virus (TSWV)
Waters Use  

For more information contact Wilson Faircloth.

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Last Modified: 3/13/2009
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