Author:
Bayındır Erol Alime,Abdelaziz Ouidad,Birgücü Ali Kemal,Senoussi Mohamed Morad,Oufroukh Ammar,Karaca İsmail
Abstract
Abstract
Background
Effects of the entomopathogenic fungi Beauveria bassiana, Verticillium alfalfae, and Trichoderma viride; secondary metabolites of MS1 (B. bassiana) and MS2 (V. alfalfae); and Dimethoate active substances on the aphid species, Aphis gossypii Glover (Hemiptera: Aphididae), were tested.
Main body of the abstract
Fungus isolates were prepared as 107 conidia ml−1 of spore suspensions and applied on the 2nd instar nymphs of A. gossypii. After the applications, evaluations were made on the 1st, 3rd, 5th, and 7th days by counting the live individuals. Obtained data were 100 and 93% mortality rate at MS1 (B. bassiana) and MS2 (V. alfalfae), and secondary metabolites were recorded in the 3rd day count results. On the 5th day counts, the highest mortality rates after secondary metabolites were statistically at the same group with B. bassiana, T. viride, and dimethoate. On the 7th day, counting results of all experiment groups were analyzed statistically and were found effective.
Short conclusion
Obtained results showed that the fungal secondary metabolites might be useful when utilized as a biocontrol agent against the aphids.
Publisher
Springer Science and Business Media LLC
Subject
Insect Science,Plant Science,Agronomy and Crop Science,Ecology
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