[1]姜宗庆,李成忠,汤庚国.薄壳山核桃光合生理特性对磷素响应的研究[J].北方园艺,2018,42(01):19-22.[doi:10.11937/bfyy.20172405]
　JIANG Zongqing,LI Chengzhong,TANG Gengguo.Effects of Phosphorus on Photosynthetic Characteristics of Carya illinoensis[J].Northern Horticulture,2018,42(01):19-22.[doi:10.11937/bfyy.20172405]
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薄壳山核桃光合生理特性对磷素响应的研究

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第42卷 期数: 2018年01 页码: 19-22 栏目: 出版日期: 2018-01-10
Title:
Effects of Phosphorus on Photosynthetic Characteristics of Carya illinoensis
作者:
姜宗庆; 李成忠; 汤庚国
江苏农牧科技职业学院，江苏 泰州 225300
Author(s):
JIANG Zongqing; LI Chengzhong; TANG Gengguo
Jiangsu Agri-animal Husbandry Vocational College,Taizhou,Jiangsu 225300
关键词:
薄壳山核桃; 光合生理; 磷素
Keywords:
Carya illinoensis; photosynthetic characteristics; phosphorus
DOI:
10.11937/bfyy.20172405
文献标志码:
A
摘要:
以薄壳山核桃1年生盆栽实生苗为试材，研究了不同磷素水平条件下薄壳山核桃光合生理指标的变化，为薄壳山核桃肥料施用提供相应的参考依据。结果表明：磷素有利于提高薄壳山核桃叶片的叶绿素含量，磷缺乏和磷过量对叶绿素含量有抑制作用。磷缺乏和磷过量叶片气孔导度降低，胞间CO2浓度和蒸腾速率均增加，而净光合速率下降。综合不同磷素水平研究结果，在磷水平（P2O5） 0.5 mmol?L-1条件下可以保障薄壳山核桃幼苗的正常生长，促进光合作用和生理代谢。
Abstract:
Pot cultivated 1-year-old Carya illinoensis seedlings were used as test materials,the changes of photosynthetic physiological indexes of Carya illinoensis were studied under the condition of different phosphorus levels,to provide fertilization reference for Carya illinoensis.The results showed that phosphorus could improve the chlorophyll content,when phosphorus deficiency and phosphorus excess in leaves,chlorophyll content decreased,leaf stomatal conductance decreased,intracellular CO2 concentration and transpiration rate were increased,while the net photosynthetic rate decreased also.Under the condition of phosphorus （P2O5) 0.5 mmol?L-1,the normal growth of Carya illinoensis seedlings could be ensured to promote photosynthesis and physiological metabolism.

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备注/Memo

第一作者简介：姜宗庆（1976-），男，江苏兴化人，博士，副教授，研究方向为植物品质生理。E-mail:wheatjzq@126.com.

基金项目：江苏省林业三新工程资助项目（lysx[2016]30)。
收稿日期：2017-07-10

更新日期/Last Update: 2018-01-11