[1]杨雨华,宗建伟,岳汉秋,等.核桃净光合速率日变化与环境因子的关系[J].北方园艺,2014,38(11):32-34.
　YANG Yu-hua,ZONG Jian-wei,YUE Han-qiu,et al.Relationship Between Diurnal Changes of Net Photosynthetic Rate and Environmental Factors in Leaves of ‘Luguang’Juglans regia L.[J].Northern Horticulture,2014,38(11):32-34.
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核桃净光合速率日变化与环境因子的关系

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第38卷 期数: 2014年11期 页码: 32-34 栏目: 出版日期: 2014-06-15
Title:
Relationship Between Diurnal Changes of Net Photosynthetic Rate and  Environmental Factors in Leaves of ‘Luguang’Juglans regia L.
文章编号:
1001-0009(2014)11-0032-03
作者:
杨雨华1; 宗建伟1; 2; 3; 岳汉秋1; 梁亚红1; 杨风岭1
1.平顶山学院 低山丘陵区生态修复重点实验室，资源与环境科学学院，河南 平顶山 467000；
2.西北农林科技大学 林学院，陕西 杨凌 712100；
3.中国林业科学研究院 林业所，北京 100091
Author(s):
 YANG Yu-hua1; ZONG Jian-wei1; 2; 3; YUE Han-qiu1; LIANG Ya-hong1; YANG Feng-ling1
1.Pingdingshan University,Key Laboratory Ecological Restoration Hilly,College of Natural Resources and Environment Sciences,Pingdingshan,Henan 467000;
2.College of Forestry,Northwest Agricultural and Forestry University,Yangling,Shannxi 712100;
3.Institute of Forestry,Chinese Academy of Forestry,Beijing 100091
关键词:
核桃; 净光合速率; 空气相对湿度; 空气温度; 空气CO2浓度
Keywords:
Juglans regia L.; net photosynthetic rate; air relative humidity; air temperature; air CO2 concentration
分类号:
S 664.1
文献标志码:
B
摘要:
以核桃品种“鲁光”1年生嫁接苗为试材，采用Li-6400便携式光合测定系统，测定与分析了核桃品种的净光合速率与环境因子的关系，以期为该核桃品种优良苗木的培育以及优质高产栽培提供科学依据。结果表明：核桃净光合速率（Pn）日变化为“双峰”型曲线，在10:00左右和16:00左右分别出现峰值，且第1次峰值高于第2次峰值，14:00左右具有明显的“午休”现象；净光合速率与空气温度存在负相关关系，与空气相对湿度以及空气CO2浓度均存在二次函数曲线关系。因此，全天中空气温度、空气相对湿度以及空气CO2浓度是影响“鲁光”核桃净光合速率强弱的主要环境因子。
Abstract:
Taking annual grafting of‘Luguang’Juglans regia as material,diurnal changes of photosynthetic characteristics and environmental factors of were studied by Li-6400 portable photosynthesis system,in order to provide scientific basis for the excellent varieties selecting and high production of walnut seedling.The results showed that,the diurnal changes of the net photosynthetic rate （Pn）showed double peak curve at 10:00 and 16:00 respectively and the first peak was higher than the second peak,midday depression phenomenon occurred at 14:00 obviously;there were negative correlations between the net photosynthetic rate （Pn）and air temperature,however,there were quadratic curve correlations between the net photosynthetic rate （Pn）and air CO2 concentration,air relative humidity.Therefore,the diurnal changes of the net photosynthetic rate （Pn）were mainly caused by air relative humidity,air temperature and air CO2 concentration.

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备注/Memo

第一作者简介：杨雨华（1980-），女，河南商丘人，博士，讲师，研究方向为植物生理生态学。E-mail：yyzdx2003@163.com.
基金项目：河南省教育厅自然科学基础研究计划资助项目（12B180026）；
               平顶山学院高层次人才科研启动经费资助项目（2011010/G）；
               平顶山学院“生态地理学”重点学科资助项目。
收稿日期：2014-01-14

更新日期/Last Update: 2014-08-04