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油松优树子代测定及遗传增益的初步研究 预览 被引量:3

A Preliminary Study on Progeny Test and Genetic Gains ofPinus tabulaeformis Dominant Tree
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摘要 通过对530株油松优树子代林内829个家系(次)生长疸的测定,初步选出了较为优良的油松家系,并对不同来源的优树家系和单株的树高及地径的遗传率进行了估算。 By determing growth of 829 families from 530 dominant tree progeny stands of Pinus tabulaeformis, this study have selected primarily some better families and estimated genetic ratio of tree height and basal diameter for dominant tree families and single tree its seed come from differen source.
作者 俞兆忠 强占鸿 Yu Zhaozhong(Zhongwan Forest Research Institute,Zhengning Branch Office,Ziwuling Forest Management Office.Zhengning,745300)Qiang Zhanhong(Science and Technology Trainning Center of the World Bank Loan Project for Soil and Water Conservation, Malianhe R
出处 《甘肃林业科技》 1998年第4期 1-4,7,共5页 Journal of Gansu Forestry Science and Technology
关键词 油松 子代测定 遗传增益 遗传力 Pinus tabulaeformis Progeny test Genetic gain Heritability
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