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Direct effects of soybean seed vigor on weed competition Rev. bras. sementes
Dias,Marcos Altomani Neves; Pinto,Tais Leite Ferreira; Mondo,Vitor Henrique Vaz; Cicero,Silvio Moure; Pedrini,Leticia Gomes.
Seed vigor is one of the factors that determines the speed and uniformity of seedling emergence and initial plant growth, which are crucial aspects in the competition against weeds. The objective of this study was to verify the direct effects of soybean seed vigor on weed competition and grain yield. A field experiment was conducted with three seed lots of the "Conquista" cultivar, previously characterized by physiological tests as having high, intermediate and low vigor. The experiment was divided into weeded and unweeded plots with six treatments. Crop plant height, weed dry mass accumulation and crop grain yield data were recorded. Seed vigor did not affect plant height and grain yield. Plants which developed from seeds with high and intermediate vigor...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max L.; Physiological potential; Grain yield; Crop interference.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222011000200017
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