Effect of pesticide on population reduction of spiders and sucking pests in cotton crop

The experiment was conducted to observe the effects of pesticides on the population reduction of pests and predatory spiders in cotton crop. The results revealed that maximum populations of pests as well as spiders were recorded in untreated cotton as compared to treated cotton. Maximum populations...

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Bibliographic Details
Published inPakistan Journal of Entomology (Pakistan) Vol. 27; no. 2; pp. 99 - 104
Main Authors Rajput, S. (Nanjing Agricultural Univ., Jiangsu (China). Dept. of Entomology), Khuhro, R.D. (Sindh Agriculture Univ., Tandojam (Pakistan). Dept. of Entomology), Haider, S.A. (Sindh Agriculture Univ., Tandojam (Pakistan). Dept. of Entomology), Khuhro, T.A, Arain, M.S
Format Journal Article
LanguageEnglish
Published 01.07.2012
Subjects
ARANEAE
GOSSYPIUM HIRSUTUM
PEST INSECTS
PESTICIDES
POPULATION DENSITY
PREDATORS
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Summary:The experiment was conducted to observe the effects of pesticides on the population reduction of pests and predatory spiders in cotton crop. The results revealed that maximum populations of pests as well as spiders were recorded in untreated cotton as compared to treated cotton. Maximum populations of pests and spiders were recorded in July-August when the cotton was lush green with more numbers of pests. Confidor at 300 ml reduced the populations of pests as well as spiders. Maximum reduction percent (77.77%) of spiders was recorded. Similarly Maximum reduction percent of whitefly (79.16%), jassid (92.90%) and thrip (98.04%) was recorded throughout study period.
Bibliography:CATPAK-81312
H10
ISSN:1018-1180