Persistence of residues of phorate in rice grain and straw when applied at different growth stages of the plant
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Date
1992
Authors
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Publisher
Kerala Agricultural University
Abstract
Studies on the persistence of phorate in the rice grain and straw when applied at
different intervals after planting in different soil types of Kerala showed that no detectable
residues persist in grains or straw at harvest when the crop was treated at 20 days after
planting. Detectable residues were present in grains and straw at the higher two doses of
1.25 and 1.50 kg ai/ha applied at 40 days after planting and at all the doses of 1.0, 1.25 and
1.50 kg ai/ha applied at 60 days after planting and these residues exceeded the tolerance
limit also.
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Citation
Agricultural Research Journal of Kerala, 30(1), 32-34.