Periods of sourgrass interference in the soybean crop
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Produção VegetalAbstract
Sourgrass (Digitaria insularis) has been reported as one of the main weeds in Brazil, including reports of it being glyphosate-resistant. This study determines the coexistence period of soybean cv. TMG7063 IPRO with a weed community predominated by D. Insularis without negative interference in its final production (period prior to interference - PPI), as well as the period in which the crop should remain free of this interference (total period of interference prevention) in Brazil. The periods of coexistence and control studied were 15, 30, 45, 60, 75, 90, 105, and 120 days after sowing (DAS) of the crop, arranged in a randomized block design with four replicates.
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