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Waterhemp (Amaranthus Tuberculatus) In Soybean In Kentucky Conditions, Blake P. Patton
Waterhemp (Amaranthus Tuberculatus) In Soybean In Kentucky Conditions, Blake P. Patton
Theses and Dissertations--Plant and Soil Sciences
Waterhemp was a sporadic weed in Kentucky soybean production since the 1970’s. Waterhemp’s presence was not significant until the 1990’s after a widespread adoption of imazaquin and imazethapyr herbicides in the late 1980’s by Kentucky farmers which resulted in ALS-resistant waterhemp in some Kentucky areas. The introduction of glyphosate resistant soybeans in 1996 resulted in glyphosate-containing products being widely used by Kentucky farmers. Waterhemp populations resistant to glyphosate have occurred in Kentucky in the past few years. The majority of Kentucky soybeans are produced in some type of conservation tillage system, primarily to conserve soil and water, which is advantageous …