KORKOR, A. (1999). EFFECT OF MINERAL AND PLANT OILS ON THE EFFICACY OF PREMPT AGAINST THE COTTON WHITEFLY AND BOLLWORMS IN COTTON FIELDS. Egyptian Journal of Agricultural Research, 77(4), 1585-1595. doi: 10.21608/ejar.1999.342392
ABDEL-SAMEA A. KORKOR. "EFFECT OF MINERAL AND PLANT OILS ON THE EFFICACY OF PREMPT AGAINST THE COTTON WHITEFLY AND BOLLWORMS IN COTTON FIELDS". Egyptian Journal of Agricultural Research, 77, 4, 1999, 1585-1595. doi: 10.21608/ejar.1999.342392
KORKOR, A. (1999). 'EFFECT OF MINERAL AND PLANT OILS ON THE EFFICACY OF PREMPT AGAINST THE COTTON WHITEFLY AND BOLLWORMS IN COTTON FIELDS', Egyptian Journal of Agricultural Research, 77(4), pp. 1585-1595. doi: 10.21608/ejar.1999.342392
KORKOR, A. EFFECT OF MINERAL AND PLANT OILS ON THE EFFICACY OF PREMPT AGAINST THE COTTON WHITEFLY AND BOLLWORMS IN COTTON FIELDS. Egyptian Journal of Agricultural Research, 1999; 77(4): 1585-1595. doi: 10.21608/ejar.1999.342392
EFFECT OF MINERAL AND PLANT OILS ON THE EFFICACY OF PREMPT AGAINST THE COTTON WHITEFLY AND BOLLWORMS IN COTTON FIELDS
Plant Protection Research institute, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
The experiment was conducted to evaluate the efficiency of prempt (fenpropathrin + pyreproxyphen) at the rates of 400 ml. and 300 ml./fed. and its mixture with mineral oil, cottonseed oil and acetic acid against whitefly Bemisia tabaci (Genn.) and both cotton bollworms; pectinophora gossypiella (Saund.) and Earias insulana (l3oisd.) at EI-Gemmiza Agricultural Research Station during 1996 cotton growing season. Summerized results showed that prempt could be used at the rate of 300 ml./fed. which it was equitoxic to the prompt at the rate of 400 ml./fed. for controlling mature and immature stages of the cotton whitefly and cotton bollworms. This in turn minimized both pollution and costs of spray. No need was found to add any of mineral or cottonseed oil or acetic acid as having no effect on the toxicity of such compound .
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