SELIME OLMEZ BAYHAN1, EROL BAYHAN2 and M. RIFAT ULUSOY3
1 Dicle University, Agricultural Faculty, Plant Protection Department, Diyarbakir, Turkey
2 Trakya University, Agricultural Faculty, Plant Protection Department, Tekirdag, Turkey
3 Cukurova University, Agricultural Faculty, Plant Protection Department, Adana, Turkey
BAYHAN, SELIME OLMEZ, EROL BAYHAN and M. RIFAT ULUSOY, 2006. Impact of Neem and Extracts of Some Plants on Development and Fecundity of Aphis Gossypii Glover (Homoptera: Aphididae). Bulg. J. Agric. Sci., 12: 779-785
Cotton farmers in the Mediterranean region, Turkey, have used synthetic insecticides against the cotton aphid for many decades. The plant extracts and neem clearly reduced adult longevity, survival rate, fecundity, and life table parameters. The highest survival rate was obtained for the control aphid, following on treated with Red gum (67.62 %), and with California pepper tree (87.64 %), while the aphid treated with neem this rate was zero. Fecundity always tended to be higher in untreated of the aphid than in the treated with plant extracts. Production of offspring from treated adult aphid was lower than that of the control aphid.