Impact of Pinewood Nematode in North America: Present and Future
AbstractBursaphelenchus xylophilus, pinewood nematode (PWN), is the most serious pest of pine forests in Japan, but in North America its role in pine wilt disease is still being studied. The PWN is known to infest many species of Pinus, with P. nigra, P. sylvestris, and P. thunbergii the most susceptible in the eastern United States. Because of its potential, several European countries (Finland, Norway, and Sweden) and Korea have established embargoes against the importation of coniferous wood from regions of the world known to be infested with the PWN. Although the PWN is not considered an economic pest in North American forests, the recent embargoes have established an impact on current forest management practices and an economic impact on North American export trade. Key words: Bursaphelenchus xylophilus, distribution , economics, embargo, management, pinewood nematode.
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