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在我国西部开发的生态环境建设和农林牧副渔发展中,优良动、植物的引进将成为重要的技术手段。在获得丰厚利益的同时,引种工作中也会出现各种问题,有的甚至相当严重,需要引起人们的深切关注。在我国,外来有害生物随着引进种而侵入的事件多都有记载,造成的经济损失也十分严重。仅80年代以来危害较为严重的就有稻水象甲、松突圆蚧、湿地松粉蚧、美洲斑潜蝇等若干种。松突圆蚧80年代初随引进的松材传人我国广东沿
In the development of ecological environment and the development of agriculture, forestry, animal husbandry and fishery in the western part of China, the introduction of fine animals and plants will become an important technical means. In the meantime, various kinds of problems may appear in the introductory work while obtaining huge profits. Some of them may even be quite serious and require deep concern. In our country, there are many incidents of invasion of exotic pests with introduced species, and the economic losses caused by them are also very serious. Since the 1980s, there have been a number of species that are most seriously endangered, such as rice water weevil, Scleractis promtellata, Pinus tabulaeformis, and Liriomyza sativae. Bursaphelenchus xylophilus early 80s with the introduction of pine wood spread along our Guangdong