2004年,国内首次在安庆市大龙山林场海拔近700 m的高山地区发现了松材线虫(Bursaphelenchusxylophilus(Ste iner&Buhrer)N ickle)自然侵染黄山松(P inus ta iwanensisHayata),且造成一定危害的现象。调查发现:松材线虫在黄山松上的侵染有其特殊性,如罹病木材有松香味;罹病株针叶虽变红,但色彩不鲜艳,有的罹病株针叶未全部变红,部分仍呈绿色;病害发展速度较慢;罹病木均有松褐天牛危害痕迹,且混杂有其它线虫。
【英文摘要】
Pinus taiwanensis infected by Bursaphelenchus xylophilus in natural state was firstly found near the altitude of 700 meters in Dalongshan forest farm of Anqing city in 2004,which resulted in the death or wilt of P.taiwanensis.The disease development was investigated and the result showed that the symptom of P.taiwanensis infected by B.xylophilus was different from that of other pines(P.massoniana Lamb and P.thunbergii),such as the flavor existed in the infected woods,the needles became red with less bright,...
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