|本期目录/Table of Contents|

[1]杨柳,何正军,赵文吉,等.红景天属植物生长及生理生化特征对遮阴的响应[J].江苏农业科学,2018,46(03):106-111.
 Yang Liu,et al.Growth,physiological,and biochemical responses of Rhodiola plants to shading[J].Jiangsu Agricultural Sciences,2018,46(03):106-111.
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年03期
页码:
106-111
栏目:
园艺与林学
出版日期:
2018-02-05

文章信息/Info

Title:
Growth,physiological,and biochemical responses of Rhodiola plants to shading
作者:
杨柳123 何正军45 赵文吉45 贾国夫45 来利明3 杜会3 姜联合3
周继华3
蔡文涛3 齐淑艳1 郑元润3
1.沈阳大学,辽宁沈阳 110044; 2.中国科学院大学,北京 100049; 3.中国科学院植物研究所,北京 100093;
4.四川省草原科学研究院,四川成都 611731; 5.红原雪山红景天生物制品有限公司,四川成都 611731
Author(s):
Yang Liuet al
关键词:
红景天光照度生长生理生化特征响应栽培管理光合作用遮阴率
Keywords:
-
分类号:
Q945.79
DOI:
-
文献标志码:
A
摘要:
为研究不同光照条件下植物生长及生理生化响应特征对栽培管理的重要性,以红景天属植物为研究对象,设置不同光照度的遮阴处理,研究红景天生长及生理生化指标的响应特征。结果表明,与全光照相比,不同遮阴处理下大花红景天株高显著增加;遮阴率为89%时,叶质量比显著减小;叶面积比和叶面积根干质量比先增加后减小;丙二醛含量显著下降;超氧化物歧化酶活性显著增加,可溶性糖含量显著下降,其他指标变化不显著。遮阴处理下,狭叶红景天株高、丙二醛含量显著增加,脯氨酸含量和可溶性糖含量指标变化不显著。与全光照相比,85%遮阴处理下长鞭红景天比叶面积、叶面积比和叶面积根干质量比显著增加,茎干质量、叶干质量和总生物量显著减小,其他指标变化不显著。红景天属植物在不同光照度下通过调整生物量分配格局,改变叶形态,调节丙二醛含量、抗氧化酶活性和渗透调节物质保证自身正常的生长发育。大花红景天在全光照和过度遮阴条件下生长受到影响,65%的遮阴率较适宜其生长,因此栽培大花红景天时光照度应控制在41 952 lx左右。遮阴处理对狭叶红景天和长鞭红景天的生长造成一定程度的影响,应在全光照下进行栽培。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2016-09-20
基金项目:国家中医药管理局行业专项(编号:201507002-01);四川省科技支撑计划(编号:2014JZ0005);四川省级科研院所科研项目(编号:2015172)。
作者简介:杨柳(1991—),女,辽宁抚顺人,硕士研究生,主要从事生物多样性与生物入侵研究。E-mail:yangliu@ibcas.ac.cn。
通信作者:郑元润,博士研究生,研究员,主要从事干旱、半干旱区植被生态学与生态学模型、恢复生态学及荒漠化防治研究。E-mail:z
更新日期/Last Update: 2018-02-05