|本期目录/Table of Contents|

[1]刘中华,彭舜磊,吕秀立.氮磷添加对考来木光合特性和叶绿素荧光的影响[J].江苏农业科学,2019,47(19):148-154.
 Liu Zhonghua,et al.Effects of nitrogen and phosphorus addition on traits of photosynthetic and chlorophyll fluorescence of Correa carmen leaves[J].Jiangsu Agricultural Sciences,2019,47(19):148-154.
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氮磷添加对考来木光合特性和叶绿素荧光的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第19期
页码:
148-154
栏目:
园艺与林学
出版日期:
2019-11-04

文章信息/Info

Title:
Effects of nitrogen and phosphorus addition on traits of photosynthetic and chlorophyll fluorescence of Correa carmen leaves
作者:
刘中华1 彭舜磊1 吕秀立2
1.平顶山学院艺术设计学院,河南平顶山 467000; 2.上海市园林科学规划研究院植物研究所,上海 200232
Author(s):
Liu Zhonghuaet al
关键词:
叶绿素荧光考来木氮磷添加光合生理土壤-植物养分循环
Keywords:
-
分类号:
S685.01
DOI:
-
文献标志码:
A
摘要:
通过在土壤中添加12个梯度的氮(N)、磷(P)试验,研究氮、磷添加对考来木光合生理参数和叶绿素荧光参数的影响。结果如下表明,(1)单施P肥,考来木叶片叶绿素含量、净光合速率及荧光最大光化学效率Fv/Fm值等光合生产力指标整体上随着施P量的增加而下降,初始荧光Fo、非光化学淬灭系数NPQ等光能耗散指标则整体上随着施P量的增加而增加;(2)单施N肥,考来木叶片光合生产力指标大致随着施N量的增加而增加,光能耗散指标则大致随施N量的增加而降低;当施N量达到247.9 mg/kg后,光合生产力大致随着施N量的增加而下降,光能耗散指标大致随着施N量增加而上升;(3)同时增施N、P肥,施P效果大致随着施N量的增大而提高,而施N效果大致随着施P量的增大而先升后降,其中低N高P和低P高N处理均降低了考来木的光能利用率。在N2P1施肥组合下,考来木的光合生产力最高。上述结果表明,考来木对P反应敏感且需求量低,在低N土壤中增施P肥可降低考来木的光合生产力;若N、P肥同时增施,不仅可提高考来木叶片的光合生产力,且N、P肥可相互增效。研究探明了土壤N、P对考来木光能利用率的影响,为土壤-植物养分循环理论的丰富与发展贡献了微薄的力量,同时为考来木的栽培管理提供了理论依据。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-06-17
基金项目:河南省科技攻关计划(编号:162120110070)。
作者简介:刘中华(1965—),女,河南潢川人,副教授,主要从事植物生理、园艺学方面的研究。E-mail:1098505701@qq.com。
更新日期/Last Update: 2019-10-05