Pine resources are abundant in Peru. Main pine species are Pinus patula, P. radiata, P. montezumae and P. pseudostrobus .
秘鲁具有丰富的松树资源，主要树种有展松、 辐射松、粗糙枝松和粉枝五针松等。
The result showed that the yellow and withered pine needles of Pinus tabulaeformis were caused by the serious damage of Cinara pinitabulaeformis Zhang et Zhang.
调查结果表明，承德避署山庄及其周边地区的油松针叶大量枯黄，侧枝枯死或整树枯死是由于松大蚜的严重危害所致。
This paper, however, conducts some research on the relationship between the soluble sugar content and the plasma-membrane permeability of Pinus elliottii inoculated with pine wood nematode.
以接种松材线虫的湿地松来作为实验材料，对感病湿地松叶片内可溶性糖含量与叶片质膜透性变化的关系进行研究。
应用推荐