摘要
对毛白杨杂交新品种的力学性质进行了全面检测，并据此进行新品种培养的筛选，最后从１４个杂交品系中筛选出６个力学性质较好的新品种与对照材种进行对比试验。结果表明，筛选出的杂交新品种已经克服了毛白杨早期生长迟缓的缺点，１年生苗木移栽大田就可迅速成长；５年期树龄的材性已达到并超过对照树种的力学性质指标，所以这种遗传育种是成功的，可以在我国大面积推广，为发展我国造纸纸浆工业提供可靠的速生树种的木材资源。
A comprehensive determination of mechanical properties of the hybrid newbreed of poplar(Populus tO1nentosa Carr. )was made and according to the resuIts we con-ducted a sieve test for the cuItivations of hybrid new breed.At last,6 kinds of better mechan-ical properties of new breed were sifted from 14 kinds of hybid new breed and engaged in con-trast test with contrast tree species。 The results are as follows:the hybrid new breed of P. to-mentosa has overcome shortcomings in the slowly growing at the early stage. It can growrapidly with the annual nursery stock transplant field.The wood property of five-year-oldtree has reached and exceeded the targets of mechanical properties with contrast species. Thefacts illustrate that thegenetic breeding is successful and can be extended into great area ofChina. It may provide reliable wood resources of fast growing tree species for the develop-ment of the industry of papermaking and paper pulp.
出处
《北京林业大学学报》
CAS
CSCD
北大核心
1995年第1期68-71,共4页
Journal of Beijing Forestry University
关键词
毛白杨
杂交
力学性质
fast-growing poplar,hybrid new breed,mechanical property
