THE RELATION BETWEEN SOME PERCING SUKING INSECTS AND THEIR ASSOCIATED PREDATORS POPULATIONS ON COTTON PLANTS AT DAKAHLIA GOVERNORA TE. | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 2, Volume 30, Issue 12, December 2005, Page 8107-8116 PDF (128.08 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2005.239459 | ||||
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| Authors | ||||
| H. A. Zedan; M. A. EI-Gindy | ||||
| Plant Protection Res. Instit, Agric. Res. Center, Dokki -Giza, Egypt. | ||||
| Abstract | ||||
| Aphis gossypii Glcv. population exhibited two annual distinct peaks during April and August on cotton plants. Also, Bemesia tabaci Genn. population showed two peaks of seasonal abundance in each season during May and September. Four distinct peaks were record to Empoasca spppopulatrons. one peak during June, two during July and last one during August in each seasons Coccinella undectrnpunctata L and Chrysoperla carnea Steph. approved to be the key predators affecting on A gossYPli population. while C undecimpunctata and Paederus alfier;i Koch were the most predators aHecting on B.tabaci. On contrary, the main factor affecting Epoasca spp. Population was the daily mean temperature and the effects of predators was relatively low | ||||
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