FUNGUS BIO EFFICACY BEAUVERIA BASSIANA IN CONTROLLING SUNNA INSECT EURYGASTER MAURA (GEOFROY) (HEMIPTERA : SCUTELLERIDAE) ON THEWHEAT CROP IN THE PROVINCE OFBABYLON

Abstract

This study was conducted at the AL- Musayyib Technical College / Department of Biological-Control Techniques for the period from 1/8 /2021. to 1/5/2022   The study aimed to test the effect of fungus filtrate Beauveria bassiana On adults and nymphs of the Sunna insect E.maura ( Geoffroy) .The results of the study showed the effect of the fungus filtrate on the adults and nymphs of the Sunna insect, where the concentration of 75% gave a death rate of 60.0% for the adults during a period of 7 days, and it was significantly superior to the rest of the concentrations during the studied periods. The results also showed the effect of the filtrate on the second and fourth instar nymphs, where the concentration of 75% gave the highest mortality rate of 73.3 and 66.7%, respectively, during a period of 7 days. The results of the study also showed that the second nymph was more affected by the fungal filtrate compared to the adult and the fourth nymph.