광릉긴나무좀, 왕녹나무좀, 노랑애나무좀 성충에 대한 포스핀의 훈증활성 = Fumigant Activity of Phosphine Against Three Wood Boring Beetles, Platypus koryoensis, Cryphalus fulvus, and Xyleborus mutilatus

국문 초록 (Abstract)

많은 산림해충들은 목재검역에서 문제가 되고 있어 포스핀($PH_3$)을 이용하여 광릉긴나무좀, 왕녹나무좀, 노랑애나무좀의 성충에 대한 살충 활성을 조사하였다. 3종의 나무좀류에 대하여 99% 살충활성을 보이는 LCT값은 각각 3.192 (광릉긴나무좀), 0.994 (왕녹나무좀), $0.501mg{\cdot}h/L$ (노랑애나무좀) 순으로 나타났다. 포스핀을 처리한 3종의 나무좀류는 시간이 지남에 따라 살충활성도 증가하였다. 특히 광릉긴나무좀에서는 0.4 mg/L 이상의 농도에서 약제처리 7일 후에 100%의 사충률을 보였다. 이러한 결과로 볼 때 포스핀이 3종의 목재해충 성충에 대해 메칠브로마이드의 대체훈증제로 이용될 수 있을 것으로 판단된다.

다국어 초록 (Multilingual Abstract)

Many forest pests have caused problems for wood quarantine. The fumigation activity of phosphine ($PH_3$) was examined for the adults of three wood-boring insect pests. The $LCT_{99}$ values for Platypus koryoensis, Cryphalus fulvus, and Xyleborus mutilates were 3.192, 0.994, and $0.501mg{\cdot}h/L$ at $20^{\circ}C$, respectively. The effectiveness of $PH_3$ was increasingly time dependent for all doses tested in all three species. In particular, P. koryoensis showed 100% mortality at doses higher than 0.4 mg/L 7 days after fumigation. These results indicate that methyl bromide could be substituted for $PH_3$ for adults of these three species of wood pest.

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