[1]苏金,黄婧,周鹏,等.黄金枸骨变色期的叶色与叶片光合色素含量关系研究[J].江苏林业科技,2019,46(04):33-36.[doi:10.3969/j.issn.1001-7380.2019.04.007]
 Su Jin,Huang Jing,Zhou Peng,et al.Leaf color research during discolorationperiod of Ilex × attenuata ‘Sunny Foster’[J].Journal of Jiangsu Forestry Science &Technology,2019,46(04):33-36.[doi:10.3969/j.issn.1001-7380.2019.04.007]
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黄金枸骨变色期的叶色与叶片光合色素含量关系研究()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第46卷
期数:
2019年04期
页码:
33-36
栏目:
试验研究
出版日期:
2019-08-31

文章信息/Info

Title:
Leaf color research during discolorationperiod of Ilex × attenuata ‘Sunny Foster’
文章编号:
1001-7380(2019)04-0033-04
作者:
苏金12黄婧1周鹏1张敏1*孙体如1
1.江苏省林业科学研究院,江苏南京211153;
2.南京林业大学生物与环境学院,江苏南京2100372
Author(s):
Su Jin12 Huang Jing1 Zhou Peng1 Zhang Min1* Sun Tiru1
1.Jiangsu Academy of Forestry, Nanjing 211157, China;
2. College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
关键词:
黄金枸骨叶绿素类胡萝卜素花色素苷色素含量叶色表现
Keywords:
Ilex × attenuata ‘Sunny Foster’ Chlorophyll Carotenoids Anthocyanin Pigment content Leaf color performance
分类号:
Q945.11;S792.99
DOI:
10.3969/j.issn.1001-7380.2019.04.007
文献标志码:
A
摘要:
为研究黄金枸骨叶色在遮荫下变色的问题,通过盆栽试验,利用人工遮荫使叶色变化,观测叶色转变期的色素变化。结果表明:叶色由黄变绿的过程中,叶色参数L,a,b值显著下降(P<0.05),花色素苷含量呈显著上升的趋势(P<0.05);叶色、叶绿素a、叶绿素b、总叶绿素和花色素苷之间呈显著正相关性(P<0.05),类胡萝卜素与其他指标为负相关性,说明这些指标的变化最终决定或影响了叶色的变化。通过分析各生理指标的变化情况,发现黄金枸骨叶色转变的根本原因是叶绿素与类胡萝卜素比值的变化,叶片中叶绿素含量增多,提高了叶绿素与类胡萝卜素的比值,使叶色变绿。
Abstract:
In order to study the discoloration of the leaf color of <\i>Ilex × attenuata ‘Sunny Foster’ under artificial shading, pot trials were conducted to observe the change of leaf color, and then the change of pigments during the period of leaf color change was dynamically observed. The results showed that the leaf color parameters L, a and b decreased significantly (P<0.05) during the process of yellowing and greening, however the anthocyanin content also increased significantly (P<0.05). There was a significant linear relationship among leaf color, chlorophyll a, chlorophyll b and total chlorophyll (P<0.05). By the comprehensively analyzing the changes of various physiological indexes, we found the fundamental reason for the change of leaf color of Ilex × attenuata ‘Sunny Foster’ was the change of the ratio of chlorophyll to carotenoids, that was, the increase of chlorophyll content in leave caused the ratio increase of chlorophyll to carotenoids and made the leaf color green. This study provided a theoretical basis for its scientific and rational application.

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备注/Memo

备注/Memo:
收稿日期:2019-05-27;修回日期:2019-06-27
基金项目:江苏省林业科技创新与推广项目“北美冬青工厂化育苗技术示范与推广”(LYKJ[2017]34);江苏省重点研发(现代农业)项目“耐盐观赏冬青新品种选育”(BE2018400);江苏省林业科学研究院自主科研项目“冬青叶色变化的细胞分子机制”(BM2018022-6)
作者简介:苏金(1994-),女,硕士研究生。E-mail:2906903821@qq.com。
*通信作者:张敏(1980-),女,内蒙古人,研究员,博士。主要从事生物技术与林木花卉良种繁育工作。
更新日期/Last Update: 2019-09-27