As the soybean crop matures, a flush of weeds that had been hiding under the canopy appears. Wilbur Ellis District Manager Chris Wharam the resistant weeds can be prolific seed producers. There are numerous tools available to the farmer to deal with resistant weeds. “Tillage practices, multiple modes of action, effective chemistries, crop rotation are all tools to manage weed resistance, all things should be on the table to develop a robust weed management strategy.” Wharam said higher water volumes, appropriate adjuvant applications and tank-mix partners are available to extend the residual weed control. Regarding crop protection products, Wharam said said “what was old is new again.” Conventional chemistries used broadly before the advent of glyphosate-tolerant corn and soybeans “have come back into vogue.”
