[1]胡 盼,王 川,王军辉*,等.不同处理对青海云杉花芽分化过程内源激素的影响[J].西北林学院学报,2013,28(05):89-94.[doi:10.3969/j.issn.1001-7461.2013.05.17]
　HU Pan,WANG Chuan,et al.Different Treatment Influence on the Flower Bud Differentiation of Picea crassifolia[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):89-94.[doi:10.3969/j.issn.1001-7461.2013.05.17]
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不同处理对青海云杉花芽分化过程内源激素的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第28卷
期数:
2013年05期
页码:
89-94
栏目:
出版日期:
2013-09-09

文章信息/Info

Title:
Different Treatment Influence on the Flower Bud Differentiation of Picea crassifolia
文章编号:
1001-7461(2013)-05-0089-06
作者:
胡 盼1; 2; 王 川1; 王军辉1*; 贾子瑞1; 仲永芳3; 李登平3
1.国家林业局 林木培育国家重点实验室,中国林业科学研究院林业研究所,北京 100091;
2.中国林业科学研究院热带林业研究所,广东 广州510520;
3.青海省大通县东峡林场,青海 大通 810100
Author(s):
HU Pan1;  2;  WANG Chuan1;  WANG Jun-hui1*;  JIA Zirui1;  ZHONG Yong-fang3;  LI Deng-ping3
1. Research Institute of Forestry, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, CAF, Beijing 100091, China;
2. Research Institute of Tropical Forestry, CAF, Guangzhou,Guangdong 510520, China;
3. Dongxia Forestry Centre, Datong, Qinghai 810100, China
关键词:
青海云杉;  花芽分化;  茎杆注射;  环割
Keywords:
Picea crassifolia;  flower bud differentiation;  stem injection;  girdling
分类号:
S791.180.1
DOI:
10.3969/j.issn.1001-7461.2013.05.17
文献标志码:
A
摘要:
对所选取的9个青海云杉无性系进行了茎杆注射(GA4/7)、环割(Girdling)和GA4/7+Girdling 处理,测定并分析了不同处理下青海云杉叶片内源激素赤霉素(GAs)、吲哚乙酸(IAA)、脱落酸(ABA)和玉米素核苷(ZR)含量的变化。结果表明:与对照相比,经GA4/7+Girdling处理后,青海云杉花芽分化过程各时期内源激素GAs及IAA含量显著增加,而环割(Girdling)处理使得各时期IAA含量显著升高,当采用茎杆注射(GA4/7)处理时,各时期内源GAs及IAA含量略有增加; 而与对照相比,3种处理都使得ZR含量处于极低水平。说明外源植物生长调节剂通过影响内源激素水平来影响青海云杉的花芽分化,而环割处理减少了根部细胞分裂素的输出,从而延缓芽的伸长生长。
Abstract:
Nine clones of Picea crassifolia were selected and treated with exogenous gibberellin(GA4/7)by stem injection, girdling, and GA4/7 stem injection + girdling. The content changes of endogenous hormones, gibberellic acid(GAs), indole acetic acid(IAA), abscisic acid(ABA)and corn meal nucleoside(ZR)under different treatments were determined and analyzed. The results showed that comparing with the control, the contents of GAs and IAA increased significantly after GA4/7+girdling treatment, while IAA content increased dramatically after girdling treatment, and the contents of GAs and IAA hadslight increase when treated by exogenous gibberellin(GA4/7)stem injection; while all the three treatments made the content of ZR in a very low level compared with the control. The exogenous plant growth regulators influenced the flower bud differentiation of P.crassifolia by affecting the endogenous hormones, while girdling reduced the output of cytokinin in the roots, and then delayed the elongation and growth of the bud.

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备注/Memo

备注/Memo:
收稿日期:20130228 修回日期:20130407
基金项目:“十二五”国家科技支撑计划课题“北方针叶树种高世代育种技术研究与示范”课题(2012BAD01B01)。
作者简介:胡盼,女,在读博士,研究方向:林木遗传育种。E-mail:hupan622@139.com *通信作者:王军辉,男,研究员,博士,博士生导师,研究方向:云彬、楸树遗传育种。E-mail:wangjh808@sina.com
更新日期/Last Update: 2013-09-30