RESIDUAL BEHAVIOUR OF PACLOBUTRAZOL ON AND IN FRUITS AND LEAVES OF VINE CROP. | ||
| Egyptian Journal of Agricultural Research | ||
| Volume 71, Issue 1, March 1993, Pages 103-110 PDF (1.72 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejar.1993.455520 | ||
| Author | ||
| MOHAMED E. A. HEGAZY | ||
| Central Agricultural Pesticides Laboratory, Agricultural Research Centre , Ministry of Agriculture, Dokki, Egypt. | ||
| Abstract | ||
| Vine trees were treated with Paclobutrazol 25% W/V at the rate of 240 nil per feddan in the vine orchard of the Horticulture Research Institute, ARC, Giza on May8,1988. Residues of Paclobutrazol were determined using a simple modified technique in the fruits and leaves of vine. Persistence, penetration, pre - harvest intervals , half life value and effect of washing and boling after the washing process were also evaluated. The data obtained indicated that Paclobutrazol is highly penetrative in the leaves immediately after application. Fast degradation of the compound during the first day was folloowed by a slow decomposition during the consequent intervals on and in the leaves. Paclobutrazol was of short persistence having a half life value of 14.4 hours. No residues wer detected in vine fruits and the pre - harvest intervals reached one day as determined for washed and boiled leaves. | ||
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