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Acephate and methamidophos residues in greenhouse and in field grown tomatoes Horticultura Brasileira
Trevizan,Luiz Roberto P.; Baptista,Gilberto C. de; Papa,Geraldo.
Increasing horticultural production under protected cultivation requires more detailed studies about the occurence of pesticide residues, due to the special and peculiar environment under controlled conditions, in which some pests, that are of little concern in the field, become important. The insecticide acephate and its methamidophos metabolite residues were evaluated in greenhouse-grown tomatoes and compared to an open-field tomato crop. The treatments: (a) check; (b) one application of 75 g a.i. acephate.100 L-1 water; (c) one application of 150 g a.i.100 L-1 water; (d) four applications of 75 g a.i.100 L-1 water were evaluated. Fruit, leaf and soil samples were taken at (-1), zero, 1, 3, 7, 14, 21 days after the last or only application. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lycopersicon esculentum; Pesticide residues; Metabolism; Greenhouse.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362005000100008
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