Invention of the Portable Bark Remover for Control of Pine Wilt Disease by Disruption of Oviposition of Insect Vector(Monochamus alternatus)
2013
Kim, J.B., Forest Training institute of the Korea Forest Service, Namyangju, Republic of korea | Park, Y.K., Forest Training institute of the Korea Forest Service, Namyangju, Republic of korea
Pine wilt disease caused by pine wood nematode, Bursaphelenchus xylophihus (Steiner et Buhrer) Nickle, has become the most serious threat to pine trees in Korea since 1988. Pine wood nematode is transferred to healthy trees by Monochamus alternatus(Coleoptera: Cerambycidae) during its maturation feeding and female oviposition. A typical control method against insect vectors in Korea is fumigation of the dead trees by using metam-sodium SL (25%). However, this method is not environment friendly because of the forest contamination by chemical application and destrorying landscape by plastic cover. Portable Bark Remover (PBR) was invented to reduce these environmental problems. The vectors oviposit under the bark of the newly dead trees only. Debarking infested trees prevents the vectors from laying eggs and eventually, they can not complete their life cycle. The PBR is a modified debarking of the infested trees. The new method by PBR is expected to be more economic and effective than other conventional methods such as burning and fumigation.
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