Estimating Yield Losses in Soybean Due to Sourgrass Interference
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DOI: 10.1590/s0100-83582019370100047
Abstract: ABSTRACT: Efficient management of sourgrass is one of the main challenges faced by Brazilian soybean farmers. Biological and ecological characteristics of this weed, as well as wide distribution of glyphosate-resistant biotypes, make it difficult to… read more here.
Keywords: yield losses; sourgrass; sourgrass interference; estimating yield ... See more keywords
Growth and Development of Sourgrass Plants from Vegetative Parts of Clumps
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DOI: 10.1590/s0100-83582019370100122
Abstract: ABSTRACT: Sourgrass (Digitaria insularis) is a perennial plant with high infestation potential, has fast and aggressive development, and reproduces by seeds and rhizomes. D. insularis infestations have increased in agricultural areas without cover crops established… read more here.
Keywords: growth development; parts clumps; vegetative parts; sourgrass ... See more keywords
Glyphosate-Resistant Sourgrass Management Programs Associating Mowing and Herbicides
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DOI: 10.1590/s0100-83582020380100033
Abstract: ABSTRACT: Currently, sourgrass is one of the most important weeds in grain production areas in Brazil. The objective of this work was to evaluate the efficiency of associated systems composed by mowing and chemical control… read more here.
Keywords: control; sourgrass; management programs; glyphosate resistant ... See more keywords