Parathion persistence on South African citrus

Dyk, L. P. van

doi:10.1007/bf02221029

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Cited by 7 publications

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The effect of simulated rain on deposits of some cotton pesticides

Pick¹,

Dyk²,

Beer³

1984

Pestic. Sci.

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Commercially grown cotton and potted cotton plants were sprayed with five pesticides, and simulated rain was applied 1–72 h later. Leaf samples were analysed to determine the effect of the rain on the original deposits. It was found that 2 to 5 mm of simulated rain applied 1 h after spraying, washed off 50% or more of the original deposit. An increase in rainfastness of the pesticides occurred over a period of time after spraying. The type of formulation seemed to affect rainfastness, but the origin of a formulation, the addition of wetting agents and the intensity of the simulated rain did not.

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