Bromoxynil Antagonizes Johnsongrass (Sorghum halepense) Control with Graminicides

摘要

Field studies were conducted over 2 yr to evalaute rhizome johnsongrass control with tank mixtures and sequential applications of bromoxynil at 1.7 kg ai/ha and the graminicides clethodim, fluazifop-P, and quizalofop-P. When compared with the graminicide alone, bromoxynil reduced john- songrass control 28 days after treatment (DAT) 20, 36, and 55/100 when applied in combination with clethodim, fluazifop-P, and quizalofop-P, respectively.