Weed control efficacy of reduced herbicide doses in spring wheat depending on weather conditions
2003
Matysiak, K. | Stachecki, S. (Institute of Plant Protection, Poznan (Poland))
The aim of trials was to determine the efficacy of three doses of herbicides in different weather conditions. There were tested two herbicide groups: hormon type herbicides and sulfonylurea herbicides. Each of the herbicide (Aminopielik Gold 530 EW, MCPA 750 SL, Duplosan Super 600 SL, Granstar 75 WG, Grodyl 75 WG, Lintur 70 WG) was applied in three doses: recommended dose, 1/2 of recommended dose and 1/4 of recommended dose. The herbicides were applied in the tillering stage of spring wheat. In some cases it is possible reducing doses of herbicides but decision about choice of herbicide type and dose should be considered in connection with weather conditions before application
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