SciELO - Scientific Electronic Library Online

vol.9 issue1-2Effect of some soil characteristics on plant response to herbicide dosisContinous use of herbicides in citros (Citrus sinensis) (L.) Osbeck. I - effects on weed control author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Planta Daninha

Print version ISSN 0100-8358


ALMEIDA, F. S. de; PINEDA-AGUILAR, A.  and  RODRIGUES, B. N.. Paraquat residues in soybean grain when used on the crop dissecation. Planta daninha [online]. 1991, vol.9, n.1-2, pp.85-91. ISSN 0100-8358.

The use of paraquat in the soy bean dissecation leave s re sidue in the grain wich content is related with the crop maturity at the time of application of the product and the time inter val between this operation and the crop harvest. The brasilian law estipulates a content lower that 0,1 mg kg-1 and an inter val of seven days, betwe en ti me of application and harvest. In order to get a medium content of 0,1 mg kg-1, with oscillations of 0,03 to 0,32 mg kg-1, it is necessary to do the paraquat applica tion with that interval of time to harvest but, also, that the crop maturation be lower than the correspondent to 80% of brown pods.

Keywords : Glycine max; maturation; harvest; paraquat.

        · abstract in Portuguese     · text in Portuguese     · Portuguese ( pdf epdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License