DISSIPATION OF BENSULTAP AND IMIDACLOPRID IN BROAD BEAN (Vicia faba) PLANT AND ITS SOIL | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 1, Volume 4, Issue 11, November 2013, Page 875-885 PDF (407.7 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2013.87651 | ||||
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| Authors | ||||
| I. S. A. Abdallah1; Hend A. Mahmoud2 | ||||
| 1Fac. of Agric., Dept. of Economic Entomology and Pesticides, Cairo University. | ||||
| 2Central Agric. Pesticide Laboratory | ||||
| Abstract | ||||
| Field experiments were carried out to study the residual behavior of foliar application of bensultap and imidacloprid in broad bean plants and their runoff persistence in soil under plants. The residues amount decreased to be 0.29 mg/kg after 22 days of treatment with 97.7 % loss in the leaves of broad bean after bensultap application. While residues disappeared in leaves after 22days of imidacoprid application. The half-life time (t1/2) values for bensultap in green pods of faba bean was calculated to be 2.9 days for peels. Whereas ,in the case of imidacloprid, the RL50 value was 0.93 days in faba bean green peels but, residues could not be detected in green seeds one hour after treatment Data concluded that. the green pods can be safely harvested for human consumption after the third day of application based on the PHI value obtained. In soil the RL50 of bensultap was 4 days, while the persistence of the runoff of imidacoprid on the soil under the plants was a little longer than that in bensultap which was 5 days. | ||||
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