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Weed Phytosociological and Floristic Survey in Agricultural Areas of Southwestern Goiás Region Planta Daninha
W.F.,SANTOS; S.O.,PROCÓPIO; A.G.,SILVA; M.F.,FERNANDES; A.L.L.,BARROSO.
The use of the Roundup Ready(r) technology and the cultivation of a second crop influence the floristic composition of weed communities in Brazilian Central-West region cropping systems. This study has aimed to diagnose the dominant weed species in southwestern Goiás in areas of genetically-modified and conventional soybeans, using phytosociological and floristic surveys. Weed sampling was obtained by collecting all the plants present within a 0.5 m hollow frame, randomly thrown 20 times in each of thirty-five agricultural areas in the 2012/2013 harvest. Field survey was carried out in three periods: before desiccation for soybean sowing, before postemergence herbicide in soybean first application and before postemergence herbicide application in late...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phytosociology; Floristic; Soybean; Late harvest; Importance value.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582016000100065
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