Effect of certain natural products compared with the chemical insecticide, imidacloprid (Admire) against immature stage (nymph) of whitefly Bemisia tabaci (genn.) infesting tomato plants

Document Type : Original Article

Author

Etay El-Baroud Agric. Res. Station, Agric. Res. Center, Egypt.

10.21608/jpces.2003.459400

Abstract

Efficiency of three natural products Jojoba oil (Enco-l) 96 %EC, KZ oil 95 % EC and sulpher as a dust comparing with the insecticide, imidacloprid (Admire 20 % SC) against immature stage of white fly, Bemisia tabaci (Gem.) were investigated during summer season 2001. at Etay El-Baroud Agricultural Research Station. Concerning the initial mortality after 48 h of the spray, significant differences occurred between imidacloprid and the three natural products at two rates, except for Jojoba oil at the rate of 2 L. / 100 L. water. Imida caused maximum reduction of 92 %, while KZ oil caused only 52.5 %. After 7 days of spraying, no significant differences occurred between imida and all treatments. The obtained data revealed that, it can be use The Jojoba oil and KZ oil can be used at the rate of I L. / 100 L. water and sulpher at the rate of 5 kg / feddan instead of the higher rates . These natural products are effective, cheap and safe for both human and environment.

Keywords

Journal of Pest Control and Environmental Sciences
Volume 11, Issue 1
June 2003
Pages 45-52

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