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The green planthopper  Nephotettix virescens  Distant (Homoptera: Cicadellidae) is one of the important pests of rice plants in South and Southeast Asia.  N. virescens  caused damages to rice plants by sucking rice fresh fluid and vector virus of tungro disease. The purpose of research is to determine the effectiveness of two types, entomopathogenic fungi  Metarhizium anisopliae  and  Beauveria bassiana , in suppressing the population level of  N. virescens  on rice plants. The research activities were held at the Laboratory of Plant Pests and Diseases, Faculty of Agriculture, Hasanuddin University, Makassar, from September 2018 to June 2019. The research used a Factorial, Completely Randomized Design with eight treatments and five replications. Each treatment used ten individual nymphs of  N. virescens . The research started from the collection and mass rearing of  N. virescens , prepared the rice plants, cultured of  M. anisopliae  and  B. bassiana , application of the entomopathogenic fungi  M. anisopliae  and  B. bassiana . The application of  M. anisopliae  and  B. bassiana  on the green planthoppers nymph was showed the average mortality of  N. virescens  by spraying (89.6%), watering (89.6%), and dipping (89.6%) not significantly. However, the mortality was higher compared to the control (0.50%). Watering treatment used the solution of  B. bassiana  showed very high average mortality compared dipping used  M. anisopliae . The application of  M. anisopliae  in the spraying and watering treatments showed the average mortality not significantly different compared to the spraying treatment used entomopathogenic  B. bassiana .

iop conference series. earth and environmental science

The mortality of green planthoppers Nephotettix virescens (Homoptera: Cicadellidae) by Metarhizium anisopliae Metchn and Beauveria bassiana (Bals.) Vuill