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翅荚木地理种源苗期遗传性状变异

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成果类型:
期刊论文
作者:
柳新红;何小勇;袁德义;王军峰;葛永金
通讯作者:
Liu, X.-H.
作者机构:
[柳新红] Zhejiang Academy of Forestry, Hangzhou 310023 Zhejiang, China
[袁德义] Key Laboratory of Breeding and Cultivation of Economic Forest of State Forestry Administration, Central South University of Forestry and Science and Technology, Changsha 410004 Hu'nan, China
Lishui Science Popularization Station, Lishui 323000 Zhejiang, China
[葛永金; 王军峰] Lihui Forestry Institute, Lishui 323000 Zhejiang, China
[何小勇] Key Laboratory of Breeding and Cultivation of Economic Forest of State Forestry Administration, Central South University of Forestry and Science and Technology, Changsha 410004 Hu'nan, China, Lishui Science Popularization Station, Lishui 323000 Zhejiang, China
通讯机构:
[Liu, X.-H.] Z
Zhejiang Academy of Forestry, Hangzhou 310023 Zhejiang, China
语种:
中文
关键词:
翅荚木;苗期性状;遗传变异
关键词(英文):
Genetic variation;Seedling trait;Zenia insignis
期刊:
林业科学研究
ISSN:
1001-1498
年:
2007
卷:
20
期:
6
页码:
814-819
基金类别:
浙江省科技计划项目“珍稀速生原料林树种——翅荚木的引种及其繁育技术研究”(2005C32044);
机构署名:
本校为其他机构
院系归属:
林学院
摘要:
对采自翅荚木主要分布区的9个种源进行了苗期试验,结果表明:翅荚木苗期叶片小叶宽度、长度和面积存在极显著差异,并与种子的大小和千粒质量相关;不同种源间的苗高、地径及苗木生物量之间没有显著差异;翅荚木苗木喜阳耐高温,7—8月地径生长量占全年的47.38%-51.90%,高生长量占全年的62.82%-69.06%。因此,抗寒性等特异性状的选择应该成为翅荚木种源选择的重点,单株选择是培育速生良种的关键。
摘要(英文):
The seedling experiments of nine Zenia insignis provenances from their major distribution districts were conducted. The results showed that there existed extreme differences in leaf width, length and area among provenances in seedling stage, which correlated with the seed size and thousand-seed weight. There were not significant difference in seedling height, basal diameter and biomass among provenances. Z. insignis adapts sunshine and was heat-tolerance. The basal diameter increment in July and August took 47.38% - 51.90% of the annual total, while the height increment took 62.82% - 69.06% of...

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