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樟树种源/家系早期生长性状与选择

Yongping WEI

Journal of Fujian Forestry Science and Technology（2020）

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Abstract
2018年对福建省永安国有林场5个种源31个家系的樟树试验林生长性状及遗传参数进行测定,结果表明:不同种源、家系10年生保存率、树高、单株材积存在极显著差异,胸径存在显著差异.以单株材积为依据,初选出永安、南平等2个速生优良种源,平均树高7.62 m、胸径11.56 cm,平均单株材积0.057116 m3,遗传增益30.54％;初选出Ya-2、Np-4、Np-5、Yp-24等4个速生优良家系,平均树高7.72 m、胸径12.69 cm,平均单株材积0.059841 m3,遗传增益38.38％.
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