perennial Johnsongrass
Glyphosate resistance in Sorghum halepense and Lolium rigidum is reduced at suboptimal growing temperatures
In a large cropping area of northern Argentina, Sorghum halepense (Johnsongrass) has evolved towards glyphosate resistance. This study aimed to determine the molecular and biochemical basis conferring glyphosate resistance in this species. Experiments were conducted to assess target EPSPS gene sequences and 14C-glyphosate leaf absorption and translocation to meristematic tissues.
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