Suscetibilidade da soja perene a sete herbicidas

Effect of seven herbicides on the perennial soybean growing in a citrus orchard

Suscetibilidade da soja perene a sete herbicidas¹

Effect of seven herbicides on the perennial soybean growing in a citrus orchard

Ody Rodriguez

SUMMARY

The perenial soybean (Glycine javanica L.) is an excellent cover crop for citrus groves in Sao Paulo. During the winter months (May to September) it becomes necessary to eliminate this legume plant to avoid competition for soil water that would other wise take place.

Seven herbicides were compared on the perennial soybean, each applied at two concentrations. Only Karmex DW (Diuron) acted as a good herbicide for this plant at the dosage of 1 g/sq.m. Alipur had a alight effect. The other five herbicides, Dalapon, 2,4-D, TCA, Basinex, and U 46 - Combi did not affect the perennial soybean at the concentrations tried.

No detrimental effect was noticed on the citrus plants in the grove where the application of the herbicides on the perennial soybean took place.

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Recebida para publicação em 1 de abril de 1963.

1

Trabalho apresentado ao IV Seminário Brasileiro de Herbicidas e Ervas Daninhas e I Reunião Latino-Americana de Luta Contra Ervas Más. Rio de Janeiro, julho de 1962.

Datas de Publicação

• Publicação nesta coleção
  23 Fev 2010
• Data do Fascículo
  1963