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Tingkat Resistensi Helopeltis antonii (Hemiptera: Miridae) pada Tanaman Kakao terhadap Tiga Golongan Insektisida Sintetis

Aidha Utami, Dadang Dadang, Ali Nurmansyah, I Wayan Laba
Jurnal Tanaman Industri dan Penyegar , Volume 4, pp 89-98; doi:10.21082/jtidp.v4n2.2017.p89-98

Abstract: In Indonesia, Helopeltis antonii Signoret is one damaging pest in cacao plant which may cause 60% production loss. Farmers have been using synthetic insecticides to control it. However, insecticides use with inappropriate dose can lead to resistance. The research aimed to determine the resistance level of H. antonii against three types of insecticides. The research was conducted at Green House of Indonesian Spice and Medicinal Crops Research Institute, Bogor. Collection of field population and interview of insecticides use was conducted at cacao plantation in Bogor, Ciamis, and Sukabumi, West Java from August 2016 to June 2017. The insect used was 3rd instar which divided into two groups, laboratory and field populations. Insecticides used contained active ingredients of chlorpyrifos (organophosphate), lambda-cyhalothrin (pyrethroid), and thiamethoxam (neonicotinoid). Cucumber was used as feed substitute for the multiplication of H. antonii test. The experiment was performed using five insecticide concentrations determined by preliminary test result. The relationships between insecticide concentration and insect mortality was analyzed by probit program. The interviews indicated that the insecticides widely used by farmers are pyrethroid type. The result demonstrated that field population of H. antonii from Bogor and Ciamis were resistant to lambda-cyhalothrin with resistance ratio (RR) of 4.2 and 10.8, respectively, whereas population from Sukabumi had RR value of 1.2. All field population of H. antonii showed resistance indication against thiamethoxam with RR ranged from 1.8 to 3.1. Resistance indication to chlorpyrifos was only shown by population from Bogor (RR 1.5).
Keywords: Resistance / pyrethroid / SPICE / Chlorpyrifos / Bogor / Helopeltis Antonii / Cyhalothrin / Field Population

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