Seasonal Occurrence of Spot Clothing Wax Cicada, Lycorma delicatula(Hemiptera: Fulgoridae) and It's Control Efficacy Using EFAM at the Vineyards

포도원 꽃매미(Lycorma delicatula) 발생소장 및 친환경농자재 살충력 평가

  • Received : 2011.09.05
  • Accepted : 2011.09.19
  • Published : 2011.09.30

Abstract

This study was carried out to investigate the evaluation of insecticidal efficacy and control effect in field of 10 environmental-friendly agricultural materials (EFAM) and seasonal occurrence at the vineyards to the Lycorma delicatula. L. delicatula nymphs occurred from late May to late August the highest early June (1st nymph) while adults occurred from late July to November with the highest peak of early October (preovipositing female) in 2010. Total population density of L. delicatula was the highest in early June. For the 3rd~4th nymphal instars and adults, EFAM (Spider, Jindikap-plus and Byejin-${\alpha}$) showed perfect insecticidal activity 2hour after treatment. Seoncho showed insecticidal activities 96.7% within 48 hour. Residual effects between EFAM showed 55.5% Spider at recommended concentration at 7 days after treatment(DAT), the other EFAM had low efficacy. Jindikap-plus and Spider showed 99% control value on nymphs in the field test at 3DAT, appeared control value more than 90% at 7DAT. Also, the control effects of Jindikap-plus and Spider were showed the adult mortality of 100% and 98.2% respectively at 3DAT, 90.6% and 84.6% respectively at 7DAT. Whereas the other EFAM had low efficacy. Jindikap-plus and Spider were excellent control effects compared with Acetamiprid WP.

본 연구는 충북지역 포도원에서 꽂매미(Lycorma delicatula)의 발생소장과 방제약제 선발을 목적으로 시판되고 있는 10종 친환경농자재에 대한 잔효성 및 방제효과를 평가 하였다. 2010년도 꽃매미의 발생은 5월 하순경부터 부회를 시작으로 5월 말부터 8월 말까지 약충이 발생하여 6월 초순에 발생최성기였던 반면, 성충은 7월 말부터 11월까지 발생하였고 산란을 위해 포도원에 집중되는 9월 말에 증가추세를 보여 10월 초순에 발생량이 가장 많았다. 꽃매미 3~4령약충과 성충에 대해서 Spider, Jindikap-plus, Byejin-${\alpha}$가 100% 살충활성을 보였고, Seoncho가 48 hr에서 96.7%를 보였다. 약제 간 잔효성 비교는 Spider가 추천농도에서 7일차에 55.5%의 살충효과를 보였던 반면 나머지 약제는 효과가 낮았다. 노지 포도원에서 5종 약제로 실시한 방제실험 결과 약충은 Jindikap-plus와 Spider가 3일차에 모두 99%의 방제가를 나타냈고 7일까지 2약제 모두 90%의 방제가를 보였다. 성충은 3일차에서 Jindikap-plus와 Spider가 각각 100%, 98.2%의 방제효과를 보였고 7일차 에서는 각각 90.6%와 84.6%의 치사율을 보인 반면, 나머지 약제는 효과가 낮았다. 작물보호제인 대조약제 Acetamiprid WP와 비교해 Jindikap-plus와 Spider는 방제효과가 우수하였다.

Keywords

References

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