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Mortality of Isaria farinosa and Beauveria bassiana on sunn pests Eurygaster integriceps and Eurygaster austriaca |
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| Authors: | Murat Mu?tu Fikret Demirci Erhan Koçak |
| Institution: | 1. Seyrani Faculty of Agriculture, Department of Plant Protection, Erciyes University, 38039, Kayseri, Turkey 2. Faculty of Agriculture, Department of Plant Protection, Ankara University, 06110, D??kap?, Ankara, Turkey 3. Faculty of Agriculture, Agricultural Biotechnology Department, Süleyman Demirel University, ?ünür, 32260, Isparta, Turkey |
| Abstract: | The effects of Isaria farinosa (Holm.) and Beauveria bassiana (Balsamo) on adult stages of sunn pests Eurygaster integriceps Puton and Eurygaster austriaca (Schrk.) were investigated at 27±1°C, 95% r.h. and 16L:8D in the laboratory. Two concentrations, 1×106 and 1×108 conidia ml-1, were used. Mortality of inoculated and non-inoculated adults was counted at 6, 9 and 12 days after treatment. Beauveria bassiana caused higher mortality of both species than I. farinosa. Neither caused significantly high mortality at 1×106 conidia ml-1. Both were more pathogenic at 1×108 conidia ml-1 and caused more than 85% mortality 12 days post treatment. Both were more pathogenic to E. austriaca. |
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