| 四川核桃优良单株选择的研究 |
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| 引用本文： | 朱益川,文斌,等.四川核桃优良单株选择的研究[J].四川林业科技,2000,21(4):11-15. |
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| 作者姓名： | 朱益川 文斌 |
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| 作者单位： | [1]四川省林科院，四川成都610081 [2]南江县林业局，四川南江635600 |
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| 摘 要： | 1966年以后，在我省重点核桃产区开展优良种质资源选择工作。按坚果品质和丰产性状等选育指标，进行优树初选、复选和决选。经多性状综合评定，筛选出12株优良单株。所选择的优良单株平均树龄27年，株产坚果21.6kg，树冠投影面积产仁量0.265kg/m^2，平均单果重12.45g，厚度1.07mm，出仁率60.25%。用这批优良单株作为无性繁殖材料，是改良我省核桃遗传品质、提高核桃生产效益的重要途径之一。
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| 关 键 词： | 核桃 优良单株 优权选择 多性状综合评定 品质性状 丰产性状 |
A Study of Individual Selection of Improved Varieties of Walnut in Sichuan Province |
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| Zhu,Yichuan,Zhao,Shiyun.A Study of Individual Selection of Improved Varieties of Walnut in Sichuan Province[J].Journal of Sichuan Forestry Science and Technology,2000,21(4):11-15. |
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| Authors: | Zhu Yichuan Zhao Shiyun |
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| Abstract: | After the year 1996,primary selection,multiple selection and decisive selection of fine trees of walnut in Sichuan were conducted according to the selection and breeding indexes.Twelve individuals of improved varieties were selected on the basis of comprehensive evaluation of the multiple properties of walnut.As materials of clonal propagation,these individuals will improve the genetic character of walnut in Sichuan and raise its yield. |
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| Keywords: | Walnut Fine tree Indexes of selection and breeding Individuals of improved varieties |
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