Zedan, H., EI-Gindy, M. (2005). 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, 30(12), 8107-8116. doi: 10.21608/jppp.2005.239459
H. A. Zedan; M. A. EI-Gindy. "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, 30, 12, 2005, 8107-8116. doi: 10.21608/jppp.2005.239459
Zedan, H., EI-Gindy, M. (2005). '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, 30(12), pp. 8107-8116. doi: 10.21608/jppp.2005.239459
Zedan, H., EI-Gindy, M. 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, 2005; 30(12): 8107-8116. doi: 10.21608/jppp.2005.239459
THE RELATION BETWEEN SOME PERCING SUKING INSECTS AND THEIR ASSOCIATED PREDATORS POPULATIONS ON COTTON PLANTS AT DAKAHLIA GOVERNORA TE.
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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