论文部分内容阅读
新时期杨树发展已进入抗病虫品种使用阶段，现在，各先进国家都在大量使用抗病虫的速生品种，抗性育种也是科研领域的主攻课题。中国林业科学研究院与中国科学院微生物所联合攻关，采用基因工程方法，以欧洲黑杨叶片、茎段为受体，将带有Ｂｔ杀虫毒蛋白嵌合基因的双源载体农杆
Poplar development in the new era has entered the use of anti-pest varieties, and now, the advanced countries are extensive use of pest-resistant varieties of fast-growing, resistant breeding is also the main subject of scientific research. Chinese Academy of Forestry and the Chinese Academy of Sciences Institute of Microbiology joint research, using genetic engineering methods, the European black poplar leaves and stems as a receptor, with Bt insecticidal toxin gene chimeric gene double-vector Agrobacterium