|本期目录/Table of Contents|

[1]许殊.重庆市常见园林植物光合和生理生态特性[J].江苏农业科学,2016,44(08):281-285.
 Xu Shu.Photosynthetic and physio-ecological characteristics of common landscape plants in Chongqing City[J].Jiangsu Agricultural Sciences,2016,44(08):281-285.
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重庆市常见园林植物光合和生理生态特性(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年08期
页码:
281-285
栏目:
园艺与林学
出版日期:
2016-08-25

文章信息/Info

Title:
Photosynthetic and physio-ecological characteristics of common landscape plants in Chongqing City
作者:
许殊
重庆工贸职业技术学院生物化学工程系,重庆 408000
Author(s):
Xu Shu
关键词:
重庆市园林植物光合特性生理特性石楠木樨气孔限制
Keywords:
-
分类号:
Q945
DOI:
-
文献标志码:
A
摘要:
以重庆市石楠、木樨、女贞、海桐、广玉兰、香樟6种园林植物为试材,比较其光合特性和生理生态特性,探讨二者之间的相关性。结果表明,石楠和木樨具有较高的叶片厚度、叶面积、比叶重、比叶面积;6种园林植物的光饱和点(LSP)、光补偿点(LCP)、表观量子效率(AQY)、CO2羧化效率(CE)、气孔限制值(Ls)、叶绿素a(Chl a)、叶绿素b(Chl b)、叶绿素a/b(Chl a/b)均表现出一致的变化规律,基本表现为石楠、木樨高于其他园林植物;6种园林植物1 d中各时期的净光合速率(Pn)、蒸腾速率(Tr)、气孔导度(Gs)、胞间CO2浓度(Ci)基本表现为木樨、石楠>女贞、海桐>香樟、广玉兰,净光合速率日变化均呈双峰曲线;气孔限制导致光合“午休”现象的产生,胞间CO2浓度、气孔导度、蒸腾速率日变化随时间呈“W”变化;经SPSS最佳曲线拟合,6种园林植物的净光合速率与辐照强度(PAR)、CO2浓度、温度变化表现出显著的二次曲线关系(P<0.05);6种园林植物的光合特性由多种生理生态因子共同决定,这些生理生态因子之间存在互作效应。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2016-03-04
作者简介:许殊(1973—),男,重庆人,高级讲师,从事植物及植物生理研究。E-mail:xushu1973@163.com。
更新日期/Last Update: 2016-08-25