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Planta Daninha

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GALLI, A.J.B.  and  CARVALHO, J.E.B.. Herbicides mixtures for the control of annual weeds in citrus crop (Citrus sinensis (L,) Osbeck). Planta daninha [online]. 1985, vol.8, n.1-2, pp.45-51. ISSN 0100-8358.

With the aim of evaluating the efficiency of glyphosate mixtures with diuron and simazine, in the control of annual weeds in citrus, two experiments were conducted in Catanduva and Jaguariúna, SP, during the 83/84 season. The results showed high efficiency of all treatments, but the control of Digitaria horizontalis, Brachiaria plantaginea and Portulaca oleracea at 10 DAT, has been slightly inferior when tank mistures were applied, in contrast with the sequencial application of these products. The addition of ammonium sulphate to the tank mixtures minimized the problem which was not observed at 30 DAT. Concerning mixtures, grass control was better with diuron than simazine. The use of glyphosate in mixtures with residuals offered better control at 60 DAT when compared to Glyphosate alone.

Keywords : weed control; herbicides; annual weeds; citrus.

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