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The determination of infestation ratio in blind bolls of Earias insulana (Boisd.) (Lepidoptera: Noctuidae) and Pectinophora gossypiella (Sound.) (Lepidoptera: Gelechiidae), pests on cotton in Sanlurfa Province



The determination of infestation ratio in blind bolls of Earias insulana (Boisd.) (Lepidoptera: Noctuidae) and Pectinophora gossypiella (Sound.) (Lepidoptera: Gelechiidae), pests on cotton in Sanlurfa Province



Ziraat Fakultesi Dergisi, Ataturk Universitesi 33(2): 157-161



An experiment was conducted during 1998-2000, in Sanliurfa, Turkey, to evaluate the infestation ratio of spiny bollworm (SBW, E. insulana) and pink bollworm (PBW, P. gossypiella) in cotton. All cotton growing areas in Sanliurfa were found to be infested by these pests. The results revealed that the infestation ratio was 13.7, 43.1 and 26.6% in the Harran Plain, and 16.6, 17.7 and 8.2% in the Harran districts during 1998, 1999 and 2000, respectively.

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