WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Monday, January 22, 2018

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Search results on 01/22/18

6019. Rydrych, D.J.. 1981. Corn cockle (Agrostemma githago) competition in winter wheat (Tritcum aesativum).. Weed Sci., 29(3):360-363.
Reductions in yield of wheat if weeds were not removed before February of each year in winter wheat that had been seeded the previous October. Bomoxynil controlled more weed plants when applied on corn cockle that had less than four leaves. Winter annual with large, showy, purple flowers; this weed was not abundant in eastern OR before 1960, but has increased because it is resistant to herbicides used for weed control and because of the contamination of farm seeds. It is resistant to 2,4-D and MCPA. New cultural practices such as no-till, trashy fallow, or minimum tillage favor the establishment of this weed.

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