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Study on the Genetic Value in Paulownia Species Hybridized
Author(s): 
Pages: 77-80
Year: Issue:  1
Journal: NONWOOD FOREST RESEARCH

Keyword:  泡桐双列杂交性状遗传值;
Abstract: 根据泡桐属内10个种的双列杂交材料,用遗传值评定亲本和杂交组合,分析遗传值的表现规律得知,亲本对树高、胸径、枝下高和冠幅有较大影响.杂交育种中,母本的遗传作用大于父本;父母本的交互作用因性状而异,对树高影响最大,胸径其次,对枝下高和冠幅则没有影响.根据遗传值,可以评选出优良的亲本和杂种组合,取得一定的遗传改良效果,为泡桐杂交亲本的选配和杂种组合的选择提供理论依据.
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