volume 45 issue 4 (december 2011) : 341 - 345
EFFICACY OF NEEM AND PUNGAM BASED BOTANICAL PESTICIDES ON SUCKING PESTS OF COTTON
1Department of Zoology,
Thiagarajar College, Madurai - 625 104, India
ABSTRACT
A field study was carried out to find out the effect of different botanical pesticides and a chemical pesticide on the sucking pests of cotton, Gossypium hirsutum. Insitu count of leafhopper (Amrasca devastans) and aphids (Aphis gossypii) were made prior to the pesticide application and on 1st , 3rd , and 7th day after application of pesticides. Of the different botanicals used, neem seed kernel extract (5%) was found to be effective followed by Pongamia glabra seed kernel extract (5%), neem oil (3%) and Pongamia glabra oil (3%) against the sucking pests (Leafhopper and Aphids) of cotton. Maximum population reduction was noticed on the 3rd day after treatment.
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Indian Journal of Agricultural Research
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