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All Journal Evolusi: Journal of Mathematics and Natural Sciences
Arman Saokani
Universitas Nahdlatul Wathan Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Mathematics

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Daya Toksitas Bacillus Thuringiensis Serovar Israelensis Terhadap Larva Bactrocera Papayae Samsuddin Samsuddin; Arman Saokani; Dwi Kartika Risfianty; Pahmi Husain; Baiq Naili Dewi Atika; Khaerul Ihwan
EVOLUSI: JOURNAL OF MATHEMATICS AND SCIENCES Vol 6 No 1 (2022): April 2022
Publisher : Fakultas MIPA Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/evolusi.v6i1.1037

Abstract

Bacillus thuringiensis is one of the bacterial species that produces a bioinsecticide known as Bacillus thuringiensis toxin. The purpose of this study was to determine the toxicity of Bacillus thuringiensis var israelensis to Bactocera papayae larvae. Larvicidal activity was calculated based on the percentage of total larval mortality after exposure to Bacillus thuringsiensis var israelensis spores for 24, 36, 48 hours. The results showed that the mortality of Bactocera papayae larvae instar III-IV ranged from 0-30% which was challenged with 106-108 spores/ml. Bacillus thuringiensis var israelensis exposed to Culex sp mosquitoes can kill up to 100% at a concentration of 104 spores/ml.
Co-Authors Baiq Naili Dewi Atika Dwi Kartika Risfianty Khaerul Ihwan Pahmi Husain Samsuddin Samsuddin