Resistance a challenge for weed control

October 17 2020 - 2:00am
In less competitive situations (right) sowthistle and prickly lettuce produce vast quantities of seed whereas in competitive situations (left) seed production is considerably reduced. Photos by WeedSmart.

RESISTANCE to Imidazolinone (IMI) herbicides and other Group B chemistry, particularly the sulfonylureas (SU), is making control of some broadleaf weeds in lentils very difficult.

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