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欧洲黑杨是我国三北地区的主要杨树种,也是营造大面积速生丰产林基地的重要树种。但是,杨树人工林虫害十分严重,经常使杨树丰产林达不到丰产目标。据1989年统计,万公顷杨树人工林食叶害虫危害面积竟达40%,严重地影响林木的生长,主要的食叶害虫有杨尺蠖和舞毒蛾。为了确保杨树丰产林获得速生丰产,培育抗虫的杨树新材料,不仅是当务之急,而且具有很重要的长远意义。为此,中国林科院林业研究所和中国科学院微生物研究所合作开展欧洲黑杨抗虫转基因研究,该项研究被列为国家自然科学基金项目和林业部科技指南项目。几年来,经双方科技人员精心研究,密切配合和不懈努力,研究工作已取得重大突破,现已筛选出一批有Bt杀虫蛋白基因整合至染
Black poplar is the main poplar species in the Three North regions of China and is also an important tree species for creating large-area fast-growing and high-yield forest base. However, poplar plantation pests are very serious, often to poplar forest yield does not meet the high yield target. According to the statistics of 1989, the spoilage area of leaf pests in poplar plantations of 10,000 hectare was as high as 40%, seriously affecting the growth of trees. The main leaf-feeding pests were Populus alba and Gypsy moth. In order to ensure fast-growing and high-yield poplars in poplar forests, it is not only an urgent task but also an important long-term goal to develop poplar new materials for insect resistance. To this end, the Chinese Academy of Forestry Institute of Forestry and the Chinese Academy of Sciences Institute of Microbiology to carry out the European Black Sprout insect-resistant transgenic research, the study was listed as the National Natural Science Foundation of China and the Ministry of Forestry Science and Technology Guide project. Over the past few years, the scientific and technological personnel of both sides have studied closely, worked closely and made unremitting efforts, and major breakthroughs have been made in the research work. A batch of Bt insecticidal protein genes have been screened and integrated into the dye