CAJ | 학술논문

杨树林分所发生的病虫害，不仅影响木材产量和质量，同时，还会降低林分的生态防护功能。通过对不同类型杨树林分的调查，结果表明：选择抗病虫害强的优良树种造林，及时防治或控制林分病虫害的发生和彻底清除林木各种病虫害的根源，持久保持林分良好卫生状况，是避免和减少杨树林分发生病虫害的重要措施。
양수림분소발생적병충해，불부영향목재산량화질량，동시，환회강저림분적생태방호공능。통과대불동류형양수림분적조사，결과표명：선택항병충해강적우량수충조림，급시방치혹공제림분병충해적발생화철저청제림목각충병충해적근원，지구보지림분량호위생상황，시피면화감소양수림분발생병충해적중요조시。
Plant diseases and insect pess which damaed poplar not only affect timber production & quality ,but also reduce ecological protection effect of stand .Different types of poplar were investigated .Result shows that :selecting stronger pest-resistant fine species for reforestation ,preventing or controlling timely the occurrence of forest pests and completely remove various causes of forest pests & diseases ,maintaining persistently good health of stand ,are important measures to avoid & reduce occurrence of pests and diseases of poplar .