遮阴对箭叶淫羊藿生理生化特性的影响

Effects of shading on physiological and biochemical characteristics of Epimedium sagittatum

伍辰皓 ¹曹基武 ²彭翠英 ³杨欣霖 ¹戴龙东 ⁴吴跃飞 ⁵王旭军³

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作者信息

1. 中南林业科技大学,湖南长沙 410004;湖南省林业科学院,湖南长沙 410004
2. 中南林业科技大学,湖南长沙 410004
3. 湖南省林业科学院,湖南长沙 410004
4. 怀化市众鑫农业科技有限公司,湖南会同 418300
5. 湖南云寨生态农业有限公司,湖南会同 418308
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摘要

以盆栽箭叶淫羊藿为材料,设置70％、85％和90％3个遮阴率梯度,分析了箭叶淫羊藿对遮阴处理的生理生化响应.结果表明:(1)遮阴对箭叶淫羊藿叶片的叶绿素a含量、叶绿素b含量、叶绿素a+b含量和叶绿素a/b值均有显著影响,且箭叶淫羊藿叶片的叶绿素a含量、叶绿素b含量、叶绿素a+b含量在各指标测定时间的总平均值随着遮阴率的提高而提高,但85％遮阴处理时的叶绿素a/b值却最低.(2)在遮阴处理的后期,85％遮阴处理下箭叶淫羊藿的叶片POD和SOD活性相对较低,且MDA含量也较低.

Abstract

Using potted Epimedium sagittatum seedings as materials,the physiological and biochemical responses with three shading ratio of 70％,85％and 90％were analyzed.The results showed as follows:(1)There was significant influence of shading on chlorophyll a content,chlorophyll b content,chlorophyll a+b content and chlorophyll a/b value of E.sagittatum.The mean chlorophyll a content,mean chlorophyll b content,and mean chlorophyll a+b content of all measure time increased with the increase of shading ratio.However,treatment of 85％shading ratio possessed the lowest chlorophyll a/b value.(2)At the later stage of the shading experiment,the activity of leaf protective enzymes as POD and SOD and MDA content were relatively lower under the treatment of 85％shading ratio.

关键词

箭叶淫羊藿/遮阴/生理生化特性/影响

Key words

Epimedium sagittatum/shading/physiological and biochemical characteristic/effect

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出版年

2024

湖南林业科技

湖南省林学会,湖南省林业科学院,湖南省林业厅科技信息中心

湖南林业科技

影响因子：0.572

ISSN：1003-5710

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