[1]孙鸿有,郑勇平,付顺华,等.杉木不同世代、类型种子园种子品质改良效果的研究[J].南京林业大学学报(自然科学版),2003,27(02):040-44.[doi:10.3969/j.jssn.1000-2006.2003.02.010]
 SUN Hong you,ZHENG Yong ping,FU Shun hua,et al.A Study on Improvement Effects of Seed Quality for DifferentGenerations and Categoris of Seed Orchards of Chinese Fir[J].Journal of Nanjing Forestry University(Natural Science Edition),2003,27(02):040-44.[doi:10.3969/j.jssn.1000-2006.2003.02.010]
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杉木不同世代、类型种子园种子品质改良效果的研究
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
27
期数:
2003年02期
页码:
040-44
栏目:
研究论文
出版日期:
1900-01-01

文章信息/Info

Title:
A Study on Improvement Effects of Seed Quality for DifferentGenerations and Categoris of Seed Orchards of Chinese Fir
文章编号:
1000-2006(2003)02-0040-05
作者:
孙鸿有;郑勇平;付顺华;邵晓根;董汝湘;徐高健;蔡克孝
浙江林学院;浙江 临安 311300;浙江省林业种苗管理总站;浙江 杭州 310020;浙江林学院;浙江 临安 311300;浙江遂昌县林业局;浙江 遂昌 323300;浙江省林业种苗管理总站;浙江 杭州 310020;浙江淳安县姥山林场;浙江 淳安 311700;浙江林学院;浙江 临安 311300
Author(s):
SUN Hongyou1ZHENG Yongping2FU Shunhua1SHAO Xiaogen3DONG Ruxiang2XU Gaojian4CAI Kexiao11. Zhejiang Forestry
关键词:
杉木种子园种子品质遗传增益遗传力
Keywords:
Cunninghamia lanceolataSeed orchardSeed qualityGenetic gainHeritability
分类号:
S722
DOI:
10.3969/j.jssn.1000-2006.2003.02.010
文献标志码:
A
摘要:
<正>对浙江省22个杉木种子园的种子品质进行了连续4a的研究。结果表明,种子园种子在千粒重、涩粒率、发芽率、发芽指数、芽苗生长、活力指数等6项品质性状上,分别比普通种子平均增长8.6%、-19.5%、2.0%、4.7%、2.7%和8.4%,平均遗传增益依次为4.7%、8.9%、0.8%、1.2%、1.1%和2.6%。约有60%95%种子园的种子,在不同品质性状上优于普通种,45.5%的种子园种子品质全面优于普通种。不同世代种子园之间,种子品质无明显变化规律,一般以1.5代种子园较好,2代次之,1代居后。由优良无性系组成的双系种子园,种子品质优良。优良种源种子园种子活力表现较为突出,强于1代、1.5代和2代种子园。
Abstract:
A continuous fouryears research has been carried out to test qualities of seeds produced by 22 seed orchards of Chinese fir in Zhejiang province.The results demonstrate that the seed quality of seed orchards exceeds that of ordinary seeds on all six indexes analyzed,including 1 000seed weight(8.6% increase),woody seed rate(-19.5%),germination percentage(2.0%),germination index(4.7%),shoot length(2.7%) and vigor index(8.4%).Average genetic gain is 4.7%,8.9%,0.8%,1.2%,1.1% and 2.6%,respectively.About 60% to 95% orchard seeds exceed general seeds on certain indexes analyzed,while 45.5% orchard seeds outperform ordinary seeds on all indexes analyzed.Quality of seeds from orchards of different generations does not always follow a specific pattern.However,on average,seeds from orchards of the 1.5th generation perform the best, the 2nd generation the next, while the 1st generation the least.Of special notice is the superb quality displayed by seeds from orchards consisting of two high quality clones.Furthermore,seeds from premium provenance orchards show significantly a better vigor than that from orchards of the 1st,1.5th and 2nd generation.

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更新日期/Last Update: 1900-01-01