SURVEY AND POPULATION FLUCTUATION OF THE PIERCING SUCKING PESTS INHABITING SOLANACEOUS CROPS AT ASSIUT GOVERNORATE

Document Type : Research articles.

Author

Plant Protection Research Institute, Agricultural Research center, Dokki, Egypt.

Abstract

Solanaceous crops, potato, Solanum tuberosum L.; sweet pepper,
Capsicum annuum L.; tomato, Lycopersicon esculentum Mill. and eggplant,
Solanum melongena L. were used to survey the insects, mites and natural
enemies and to study the population fluctuation of the piercing sucking
pests, aphid, Aphis gossypii (Glover); whitefly, Bemisia tabaci (Genn.);
leafhopper, Empoasca decipiens (Paoli) and the two-spotted spider mite,
Tetranychus urticae Koch inhabiting it at Sahel-Saleem district, Assiut
Governorate during 2009 and 2010 growing seasons. Fifty five species
belonging to thirty five families and nine orders found on Solanaceous
crops, were encountered by using the sweeping net method. Data also,
revealed that, all the Solanaceous crops infest with the piercing sucking
pests, but with a variable degree, eggplant received a higher mean number
with the piercing sucking pests, followed by potato, tomato and sweet
pepper. A higher infestation with aphid and whitefly to the Soalanceous
crops were in March, but the higher infestation with leafhopper and twospotted spider mite to the Solanaceous crops were in May during the two
successive seasons.

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