[1]陈星星,秦性英,郭丽,等. 昼夜温差对白掌组培苗生长的影响[J].西北林学院学报,2017,32(2):165-169.[doi:10.3969/j.issn.1001-7461.2017.02.28]
　CHEN Xing-xing,QIN Xing-ying,GUO Li,et al. Effects of Day-night Temperature Difference on the Growth of Spathiphyllum Plantlets in vitro[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(2):165-169.[doi:10.3969/j.issn.1001-7461.2017.02.28]
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 昼夜温差对白掌组培苗生长的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第2期
页码:
165-169
栏目:
出版日期:
2017-03-31

文章信息/Info

Title:
 Effects of Day-night Temperature Difference on the Growth of Spathiphyllum Plantlets in vitro
文章编号:
1001-7461(2017)02-0165-05
作者:
 陈星星1; 2; 秦性英3; 郭丽2; 何松林1
 （1.河南农业大学，河南 郑州 450002; 2.河南农业职业学院，河南 郑州 451450; 3.郑州财经学院，河南 郑州 450002）
Author(s):
 CHEN Xing-xing1; 2; QIN Xing-ying3; GUO Li2; HE Song-lin1
 (1.Henan Agricultural University,Zhengzhou,Henan 450002,China; 2.Henan Agricultural Vocational College,Zhengzhou,Henan 451450,China; 3.Zhengzhou Institute of Finance and Economics,Zhengzhou,Henan 450002,China)
关键词:
 ; 白掌; 组培苗; 昼夜温差
Keywords:
 ; Spathiphyllum in vitro;  tissue culture;  day-night temperature difference
分类号:
S682
DOI:
10.3969/j.issn.1001-7461.2017.02.28
文献标志码:
A
摘要:
 以白掌组培苗为材料，分别采用昼夜温差3℃、6℃、9℃、12℃和15℃作处理，以及昼夜温差0℃作为对照，探讨不同昼夜温差给白掌组培苗生长带来的影响。通过研究可知，当白掌组培苗处于3℃的昼夜温差时，其株高、叶数、叶长、鲜重和干物重都达到最大值；昼夜温差12℃处理下根数、最大根长、根系活力、可溶性糖、总干物率和地上干物率达到最大值；叶绿素a、叶绿素b、总叶绿素含量均随着昼夜温差的不断增大呈现出增大的趋势,在昼夜温差15℃时达到最大值。综上分析,在昼夜温差3℃时最有利于促进白掌组培苗的形态生长,当白掌组培苗处于12℃的昼夜温差中，能最大提升其根部的生长速度和可溶性糖的累积量，当白掌组培苗处于15℃的昼夜温差中，能最大提升其叶绿素的合成速度。
Abstract:
 The plantlets of Spathiphyllum in vitro were used as the materials to study the effects of temperature difference between day and night on the growth of the plantlets.Different temperature differences were designed: 0 (control),3,6,9,12,and 15℃.The results showed that the indices of the plantlets were in their maximum values when the temperature difference was 3℃,including plant height,leaf number,leaf length,fresh and dry weight.The root number,maximum root length,dry matter rate of the total and shoot parts,the root activity and soluble sugar were in their maximum values when the difference was 12℃.The contents of chlorophyll a,b,total leaf chlorophyll increased with the increase of temperature difference,and maximum values appeared at the temperature difference of 15℃.It was concluded that the morphological growth of Spathiphyllum plantlets in vitro was the best when the temperature difference was 3℃,the root growth and the accumulation of soluble sugar could be improved when the difference was 12℃,and 15℃ difference was favorable for the synthesis of chlorophyll.

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备注/Memo

备注/Memo:
 收稿日期：2016-06-08修回日期：2016-11-01
基金项目：河南省重大科技攻关项目“新型光源下（LED、CCFL）植物组织培养研究——以白掌为例”（132102110184）阶段性成果。
作者简介：陈星星，女，讲师、硕士，研究方向：园林植物。E-mail：52226567@qq.com
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