Open AccessThe effectiveness of the entomopathogenic fungus Metarhizium anisopliae in controlling the green leaf hopper (Nephotettix virescens)
Author(s) -
Elisurya Ibrahim,
Firmansyah Firmansyah,
Sumarni Panikkai
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/911/1/012061
Subject(s) - metarhizium anisopliae , entomopathogenic fungus , conidium , biology , metarhizium , biological pest control , horticulture , pest analysis , leafhopper , botany , toxicology , hemiptera , beauveria bassiana
Green leafhopper ( Nephotettix virescens ) is one of the major pests on rice plants that can be a vector of tungro disease. Current pest control using insecticides by farmers is very worrying because in general it is not as recommended which can cause disturbances in the balance of the ecosystem, so it is necessary to use more environmentally friendly control alternatives, one of which is the use of entomopathogenic fungi that are targeted and do not cause the death of natural enemies. The potential of entomopathogenic fungi as biological control agents needs to be continuously developed to reduce the use of insecticides, one of which is the fungus Metarhizium anisopliae which is a type of entomopathogenic fungus that can kill insect pests. The purpose of this study was to determine the effect of several concentration and application method of M. anisopliae on the mortality of the green leafhopper (Nephotettix virescens). The study was conducted in the Laboratory and Greenhouse of the Tungro Disease Research Station starting from February - April 2020 using a two-factor factorial design in a completely randomized design (CRD). The first factor was the application method consisting of two treatments, namely the spray method (A1) and dip method (A2) while the second factor was the conidia density of Metarhizium anisopliae with 4 levels, namely 0 (C0) as control, conidia density 10 6 (C1) conidia density 10 7 (C2) conidia density 10 8 (C3). Each treatment was repeated three times. The results showed that the concentration of 10 6 by dipping application showed the fastest average death time of green leafhopper imago, which occured after 4 days of application, while the fastest average death time of green leafhopper nymph was 3.67 days after application at a concentration of 10 7 by dipping applications.