[1]王梓,赵燕,魏红旭*. 补光和寡糖添加处理对罗汉松苗木生长的影响[J].西北林学院学报,2016,31(6):157-161.[doi:10.3969/j.issn.1001-7461.2016.06.27]
　WANG Zi,ZHAO Yan,WEI Hong-xu*. Effects of Oligosaccharide Addition and Extension of Photoperiod on Spring Growth of Buddhist Pine Seedlings[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(6):157-161.[doi:10.3969/j.issn.1001-7461.2016.06.27]
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 补光和寡糖添加处理对罗汉松苗木生长的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第6期
页码:
157-161
栏目:
出版日期:
2016-11-30

文章信息/Info

Title:
 Effects of Oligosaccharide Addition and Extension of Photoperiod on Spring Growth of Buddhist Pine Seedlings
文章编号:
1001-7461(2016)06-0157-05
作者:
 王梓1; 赵燕1; 魏红旭2*
 （1.河南科技大学 林学院，河南 洛阳 471003；2.中国科学院 东北地理与农业生态研究所，吉林 长春 130102）
Author(s):
 WANG Zi1; ZHAO Yan1; WEI Hong-xu2*
 (1.College of Forestry,Henan University of Science and Technology,Luoyang,Henan 471003,China; 2.Northeast Institute of Geography and Agricultural Ecology,Chinese Academy of Sciences,Changchun,Jilin 130102,China)
关键词:
 ; 罗汉松; 气候变化; 容器苗; 海洋寡糖; 人工光源
Keywords:
 ; Podocarpus macrophyllus;  climate change;  containerized seedlings;  ocean oligosaccharide;  artificial illumination source
分类号:
S723.131
DOI:
10.3969/j.issn.1001-7461.2016.06.27
文献标志码:
A
摘要:
 以罗汉松当年生实生苗为对象，通过人工补光延长每天育苗的光照时间，施肥时添加寡糖处理，翌年在控制条件下对越冬苗木进行模拟倒春寒处理，取样调查苗木春季生长和干物质。结果表明，添加寡糖处理对苗高、地径和新生根系数量无影响。添加寡糖、延长光照处理地径和当年生叶长分别提高17%和79%，补光对促进苗高的生长和新生根数量的增加具显著影响；延长光照和添加寡糖对地上部和地下根系的干物质积累均有显著促进，补光并添加寡糖处理的茎干干物质较少，根系干物质较大；添加寡糖、延长光照处理的苗木质量提高。
Abstract:
 Buddhist pine (Podocarpus macrophyllus) seedlings were used as materials to test their responses to the treatments of oligosaccharide addition under the extended photoperiod.At the spring of the second year,seedlings were treated with a simulated frost and harvested to measure their growth and dry mass accumulation.The results showed that the first-year addition of oligosaccharide had no effect on second-year height,root-collar diameter (RCD),and number of new roots; however addition of oligosaccharide and extension of photoperiod increased RCD and current-year shoot length by 17% and 79%,respectively,indicating that extension of photoperiod would promote seedling height and number of new roots.The interactive effect of extending photoperiod and adding oligosaccharide significantly increased dry mass accumulation for both shoot and root seedling-parts,specifically,this interactive effect increased dry mass partition to roots but decreased dry mass in shoot.The comprehensive index for seedling quality was promoted by the interactive treatments of photoperiod extension and oligosaccharide addition.

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备注/Memo

备注/Memo:
 收稿日期：2016-03-21修回日期：2016-05-13
基金项目：中国科学院重点部署项目（KFZD-SW-302-03）；中国科学院“百人计划”项目（Y3H1051001）。
作者简介：王梓，女，博士，讲师，研究方向： 植物生理生态。E-mail:wang_zi_xx@126.com
*通信作者：魏红旭，男，博士，助理研究员，研究方向：城市森林、苗木生理生态学。E-mail :weihongxu@iga.ac.cn
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