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Studies on some pests of tomatoes and their biological control in the southern valley of Egypt /

Ihab Dahab Ibrahim

Studies on some pests of tomatoes and their biological control in the southern valley of Egypt / دراسات على بعض آفات الطماطم ومكافحتها البيولوجية فى جنوب الوادى بمصر Ihab Dahab Ibrahim ; Supervised Sayed Ashraf Elarnaouty , Amal Ibrahim Afifi , Ahmed Hussein Elheneidy - Cairo : Ihab Dahab Ibrahim , 2011 - 105 P. : charts , facsimiles ; 25cm

Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Economic Entomology and Pesticides

The present study focused on a survey of the important pests of tomato plants at Nasser Lake region Aswan Governorate and their biological control using certain natural enemies . Results showed that the mean rate of infestation with S. exigua was 4.1% while infestation rates with the other pests were comparatively very small ; ( E. discipenus and liriomyza spp. 0.9 %, T. urticae 0.75 %. Aphis spp. 0.5% and B. tabaci 0.33%



Chrysoperla canea T. evanescens Tomato