A Primary Study on Genetic Improvement of Chinese Fir Seed Quality

Sun Hongyou; Fu Qiuhua; Cheng Yumin; Wang Yuxi; Feng Xiaoyang.

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Volume 14 Issue 2

May 2019

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Article Navigation > Journal of Zhejiang A&F University > 1997 > 14(2): 120-126

Sun Hongyou, Fu Qiuhua, Cheng Yumin, Wang Yuxi, Feng Xiaoyang.. A Primary Study on Genetic Improvement of Chinese Fir Seed Quality[J]. Journal of Zhejiang A&F University, 1997, 14(2): 120-126.

Citation:

Sun Hongyou, Fu Qiuhua, Cheng Yumin, Wang Yuxi, Feng Xiaoyang.. A Primary Study on Genetic Improvement of Chinese Fir Seed Quality[J]. Journal of Zhejiang A&F University, 1997, 14(2): 120-126.

A Primary Study on Genetic Improvement of Chinese Fir Seed Quality

1.
Zhejiang Forestry College, Lin'an 311300, PRC

Received Date: 1996-10-09
Rev Recd Date: 1997-01-21
Publish Date: 1997-06-20

Abstract

The genetic improvement of 1 000-seed weight, woody seed rate, germination percent, germination index and vigor index were systematically studied for the good provenance of Chinese fir, F1 seedorchard, F1. 5 seed orchard, F2 seed orchard and fine family. The results showed that the seed qualities of above 60% fine varieties were improved in varying degress, especially woody seed rate and 1000-seed weight. There was no fixed rule in the seed quality dif ferences of fine varieties and the change of genetic gains, with no increasing as selective classes rise. The seed quality of same family in different seed orchards had a extreme difference. The heritabilities of seed quality, from great to small order, were as follows: 1 000-seed weight, woody seed rate, germination percent, germination index and vigor index. Evaluating seed quality should take practical advance of genetic improvement as basis, not selective classes. Seleting fine family should notice difference among the seed orchards.
- Chinese fir (Cunninghamia lanceolata),
- fine varieties,
- seed quality,
- genetic improvement

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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A Primary Study on Genetic Improvement of Chinese Fir Seed Quality

1. Zhejiang Forestry College, Lin'an 311300, PRC

Received Date: 1996-10-09
Rev Recd Date: 1997-01-21
Publish Date: 1997-06-20

Key words:

Abstract: The genetic improvement of 1 000-seed weight, woody seed rate, germination percent, germination index and vigor index were systematically studied for the good provenance of Chinese fir, F1 seedorchard, F1. 5 seed orchard, F2 seed orchard and fine family. The results showed that the seed qualities of above 60% fine varieties were improved in varying degress, especially woody seed rate and 1000-seed weight. There was no fixed rule in the seed quality dif ferences of fine varieties and the change of genetic gains, with no increasing as selective classes rise. The seed quality of same family in different seed orchards had a extreme difference. The heritabilities of seed quality, from great to small order, were as follows: 1 000-seed weight, woody seed rate, germination percent, germination index and vigor index. Evaluating seed quality should take practical advance of genetic improvement as basis, not selective classes. Seleting fine family should notice difference among the seed orchards.

Sun Hongyou, Fu Qiuhua, Cheng Yumin, Wang Yuxi, Feng Xiaoyang.. A Primary Study on Genetic Improvement of Chinese Fir Seed Quality[J]. Journal of Zhejiang A&F University, 1997, 14(2): 120-126.

Citation:

Sun Hongyou, Fu Qiuhua, Cheng Yumin, Wang Yuxi, Feng Xiaoyang.. A Primary Study on Genetic Improvement of Chinese Fir Seed Quality[J]. Journal of Zhejiang A&F University, 1997, 14(2): 120-126.

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