[1]李敏,吉文丽*,张恒,等. 外源Ca2+对油用牡丹凤丹白幼苗光合特性的影响[J].西北林学院学报,2017,32(5):39-45.[doi:10.3969/j.issn.1001-7461.2017.05.08]
 LI Min,JI Wen-li*,ZHANG Heng,et al. Effects of Exogenous Calcuim on Photosynthetic Characteristics and Biomass of Oil Paeonia ostii ‘Fengdan White’[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(5):39-45.[doi:10.3969/j.issn.1001-7461.2017.05.08]
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 外源Ca2+对油用牡丹凤丹白幼苗光合特性的影响()
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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5期
页码:
39-45
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
 Effects of Exogenous Calcuim on Photosynthetic Characteristics and Biomass of Oil Paeonia ostii ‘Fengdan White’
文章编号:
1001-7461(2017)05-0039-07
作者:
 李敏12吉文丽1*张恒1李程程1杨静萱1张延龙1
 (1.西北农林科技大学 风景园林艺术学院,陕西 杨陵 712100;2.信阳师范学院,河南 信阳 464000)
Author(s):
 LI Min12JI Wen-li1*ZHANG Heng1LI Cheng-cheng1YANG Jing-xuan1ZHANG Yan-long1
 (1.Colloege of Landscape Architecture and Arts,Northwest A&F University,Yangling,Shaanxi 712100,China; 2.Xinyang Normal University,Xinyang,Henan 464000,China)
关键词:
 凤丹白净光合速率表观量子效率叶绿素含量生物量
Keywords:
Paeonia ostii ‘Feng Dan White’ net photosynthetic rate apparent quantum yield chlorophyll content biomass
分类号:
Q945.11
DOI:
10.3969/j.issn.1001-7461.2017.05.08
文献标志码:
A
摘要:
 以凤丹白牡丹2年生幼苗为材料,研究钙元素对其叶片光合特性、叶绿素含量和植株生长情况的影响。结果表明,各处理凤丹白光合作用日变化曲线均呈“单峰型”。处理2即钙浓度为160 mg/g时,叶片的日平均净光合速率和净光合速率峰值分别为10.60 μmol(CO2)·m-2·s-1和19.17,表观量子效率为0.075 1,叶绿素总含量为20.33 mg/g,各指标均显著高于其他3个处理。因此160 mg/g的钙浓度最有利于提高油用牡丹凤丹白的光合强度和合成有机物的能力,进而提高植株的干物质积累并促进植株生长。
Abstract:
 Taking 2-year-old seedlings of Paeonia ostii ‘Fengdan White’ as materials,the effects of exogenous calcium on the photosynthetic characters and biomass were examined.The results showed that the diurnal photosynthetic variations of all calcium treated seedlings presented unimodal curves.When calcium concentration was 160 mg/g,the daily average Pn (net photosynthesis rate) and maxium Pn were 10.60 μmol(CO2)m-2·s-1 and 19.17,respectively.The apparent quantum yield efficiency value was 0.075 1,and total chlorophyll content was 20.33 mg/g.Both plant height and biomass were significantly higher than other treatments.Therefore,the application of calcium with a concentration of 160 mg/g was favorable for improving photosynthetic intensity and synthesizing organic matter and promoting the plant growth.

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备注/Memo

备注/Memo:
 收稿日期:2016-11-05修回日期:2017-04-11
基金项目:林业公益性行业科研重大专项(201404701)。
作者简介:李敏,女,在读硕士,研究方向:园林植物栽培生理。E-mail:525401061@qq.com
*通信作者:吉文丽,女,博士,副教授,硕士生导师,研究方向:园林植物种植资源。E-mail:jiwenli@nwsuaf.edu.cn
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