A Systematic Application of Insecticides to manage Early Season Insect Pests and Migratory Planthoppers on Rice

본논초기 해충군과 비래성 멸구류의 밀도억제를 위한 살충제의 체계적 처리에 관한 연구

  • 배윤환 ;
  • 이준호 ;
  • 현재선
  • Published : 1994.12.01

Abstract

This study was conducted to establish a nce insect pest control system, ~ es.ys tematic application of insecticides using carbohran and buproiezin, in Korea. The effects oi various dates of application and rates of buprofezin (25% WP) after carbofuran (3G) soil incorpombon in late May on the pop~~lation densities of the brown planthoppa (BPH) immigrating in July were investigated Appropriate application tune of buprofezin for the BPH that had evaded insecticidal effect of 5011 incorporated carbofuran was late July-early August. Application rate of buprofezln at 7.0g a.i/lOa was enough to suppress the BPH density. Buprofezin treatment after carbofumn soil incorporation could also suppress the whlte backed planthopper population but did not affect the densities oi the paddy rice spiders. Considering the charactenstics of occurring patterns of the nce insect pests in Korea. buprofezin treatment m late July or early August after carbofuran soil incorporation in late May can be a useful application system of ir~sectic~deins controlling early season Insect pests and migmtoly planthoppers on rice.

Keywords

Brown planthopper;insecticide;buprofezin;carbofuran;application system