国家林业局近日发布2003年有害生物发生趋势预测;2003年全国主要森林病虫害仍属于偏重发生年份,发生面积与2002年大体持平。国家林业局公布的全国林业有害生物发生趋势预测显示,2003年松材线虫病仍有可能出现新疫点,但发生面积不会有大的增加;红脂大小蠢发生面积呈下降之势;松毛虫、杨树病虫等常发性病虫害局部成灾情况仍较突出。蛀干 The State Forestry Administration recently released the forecast for the occurrence of pests in 2003. In 2003, the major forest pests and diseases in the country still belonged to the year with a heavy emphasis on occurrence, with the area generally unchanged from that in 2002. The forecast of the occurrence of forestry pests in the country released by the State Forestry Administration shows that there may still be new outbreaks of pine wood nematode disease in 2003 but there will not be a large increase in the area of ​​occurrence; Caterpillars, poplar and other pests and diseases of pests and diseases of the local disaster situation is still more prominent. Boring