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Leaching of Imidazolinones in Irrigation Systems in Rice Cultivation: Sprinkling and Flooding Planta Daninha
HELGUEIRA,D.B.; ROSA,T.D; MOURA,D.S.; GALON,L.; PINTO,J.J.O..
ABSTRACT: Herbicides of the imidazolinone group have been used in irrigated rice and presented a long persistence in the soil, especially in floodplain areas with a low drainage, and could cause environmental contamination. This study aims to evaluate the leaching and residual of herbicides belonging to the imidazolinone group in sprinkler and flood irrigation systems. The experiment was carried out under greenhouse conditions, with the application of the herbicides imazethapyr, imazethapyr + imazapic, and imazapyr + imazapic in soil irrigated by flooding and sprinkling. Subsequently, the soil was collected from the layers of 0-5, 5-10, 10-15, 15-20, and 20-25 cm and packed in 500 mL capacity plastic pots in order to sow tomato as a bioindicator plant of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Oryza sativa L.; Environmental contamination; ALS inhibitors.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100205
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