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苦楝家系生长性状相关分析与单株选育

Chuangye WU,Jing NI,Qiufang GU, Tianming LI, Yuheng SHUN,Jidong LI

Forest Inventory and Planning(2020)

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Abstract
以河南省国有温县苗圃试验地6个种源的180个家系的实生苦楝为研究对象进行生长性状差异性分析.结果表明,180个家系间胸径、树高和冠幅差异极显著;6个种源间胸径和树高差异极显著.对试验地现存的苦楝个体生长性状进行相关分析,结果表明,树高与胸径、枝下高、冠幅,胸径和冠幅表现出极显著相关.对苦楝180个家系进行选优,共选出32个优良家系,其中渭南种源12个,郑州种源15个,兰考种源2个,新乡种源3个.对1211株苦楝个体进行无性系选优,共选出90株优良无性系苦楝,选中的家系和个体可用于下一步的选优选育.
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