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Planta Daninha

versão impressa ISSN 0100-8358

Resumo

CRUZ, L. S. P.  e  LEIDERMAN, L.. Mixture of diuron whit MSMA and with paraquat for broadleaved weeds control in cotton. Planta daninha [online]. 1978, vol.1, n.1, pp.45-50. ISSN 0100-8358.  https://doi.org/10.1590/S0100-83581978000100006.

In a field trial carried out in 1975/76, a diuron mixtu re with MSMA and another with paraquat was tested on broadleaved weeds in cotton crops. The applications were done in postemergence, directed-spray, in two different periods. The broadleaved weeds observed in the trial were Acanthospermum australe , Borreria alata, Richardia brasiliensis, and Sida spp, also the grass Digitaria sanguinalis. Best results were obtained with the mixture of 0,60 kg/ha of paraquat with 0,60 kg/ha of diuron, and 2,70 kg/ha of MSMA with 0,40 kg/ ha of diuron, or 2,00 kg/ha of MSMA with 0,30 kg/ha of diuron. All the treatments caused sl ight symptons of toxic ity in cotton, which disappeared later and did not damage the production.

Palavras-chave : Herbicides; mixture; control; broadleaved weeds; cotton.

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