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Thermal requirements and age-specific life tables of Aphis gossypii (Glover, 1877) (Hemiptera: Aphididae) in colored cotton

Grant number: 09/14260-9
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2009
Effective date (End): June 30, 2010
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal researcher:Francisco Jorge Cividanes
Grantee:Tiago Roberto dos Santos
Home Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil

Abstract

Among the insects of the family Aphididae, notably those of the genus Aphis, which Aphis gossypii (Glover, 1877), known as the cotton aphid, has been recognized as an important pest of the crop. Studies of the biology allow people to get basic information for use in strategies to control insect pests. This project aims to study the biology of the aphid A. gossypii at constant temperatures of 17, 21, 25 and 29 ± 2 º C, 70 ± 10% RH and 12 hours photophase in colored cotton, Gossypium hirsutum L., BRS Sapphire, to be determined: a) Time development of the different instar, b) Temperature requirements, c) Patterns of fertility and longevity e d) Life tables of fertility. (AU)

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