Determination of the Lethal Effects of Some Entomopathogens on Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae)
2020
Temel GÖKTÜRK
In this study, the lethal effects of Beauveria bassiana, Metarhizium anisopliae, Bacillus thuringiensis entomopathogens, and Nimbecidine® organic insecticide, against Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae) nymphs and adults, were tried to be determined under laboratory and field conditions. The study was conducted in Kemalpaşa, Arhavi and Artvin with 4 replications in June and July, 2020. Entomopathogens and Nimbecidine sprayed on the nymphs and adults taken in tulle cages and the individuals who died were checked every 2 days. As a result of the study, it was observed that all entomopathogens and Nimbecidine had certain effects on both nymphs and adults of O. japonica. As a result of organic insecticides and entomopathogens applied in controlled conditions in the laboratory, mortality rates were determined between 73-94% in nymphs and 18.5-60% in adults. As a result of organic insecticides and entomopathogens applied against O. japonica nymphs and adults under field conditions, mortality rates were 50.5-75% in nymphs and 11-50.5% in adults. Both in the laboratory and field conditions, the highest mortality rates were seen in Nimbecidine application in adults and nymphs. The preparation (BMB) formed with a mixture of Beauveria bassiana, Metarhizium anisopliae, Bacillus thuringiensis was also found successful.
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