|本期目录/Table of Contents|

[1]鲁强,徐杰,洑香香,等.短期高温胁迫对大花四照花和日本四照花生长和光合的影响[J].江苏农业科学,2019,47(22):159-163.
 Lu Qiang,et al.Impacts of short-term high temperature stress on growth and photosynthesis of Cornus florida and C. kousa[J].Jiangsu Agricultural Sciences,2019,47(22):159-163.
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短期高温胁迫对大花四照花和日本四照花
生长和光合的影响
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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22期
页码:
159-163
栏目:
园艺与林学
出版日期:
2019-12-20

文章信息/Info

Title:
Impacts of short-term high temperature stress on growth and photosynthesis of Cornus florida and C. kousa
作者:
鲁强1 徐杰1 洑香香1 方彦2
1.南京林业大学林学院,江苏南京 210037; 2.南京森林警察学院,江苏南京 210023
Author(s):
Lu Qianget al
关键词:
大花四照花日本四照花高温胁迫生长光合指标叶绿素荧光参数
Keywords:
-
分类号:
S718.43;S684.01
DOI:
-
文献标志码:
A
摘要:
以1年生盆栽大花四照花(Cornus florida)和日本四照花(C. kousa)实生苗为试验材料,人工气候室内采用昼/夜温度分别为35/30、40/35 ℃持续处理27 d,以昼/夜温度30/25 ℃处理为对照(CK),测定分析这2种四照花的幼苗生长情况及胁迫处理0、2、8、13、19、27 d时叶片光合、叶绿素荧光参数。结果表明,35/30、40/35 ℃高温胁迫处理27 d时,大花四照花和日本四照花的苗高相对增长率、地上部分生物量、总生物量、气孔导度(Gs)、净光合速率(Pn)、最大光量子产量(Fv/Fm)、光化学猝灭系数(qP)低于CK或处理前,非光化学猝灭系数(NPQ)高于CK或处理前;35/30 ℃ 处理27 d时2种四照花幼苗各项测定指标与CK或处理前相比相互间差异不显著(P>0.05),而40/35 ℃处理27 d时2种四照花的幼苗苗高相对增长率、大花四照花总生物量较CK有显著降低(P<0.05),大花四照花叶片PnGsFv/Fm、PSⅡ潜在光化学活性(Fv/Fo)、qP及日本四照花叶片Pn较处理前有显著降低。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-07-26
基金项目:国家林业局“948”项目(编号:2014-4-14);江苏省农业科技自主创新资金[编号:CX(16)1005]。
作者简介:鲁强(1993—),男,安徽芜湖人,硕士研究生,从事林木种苗抗逆生理研究。E-mail:1294674508@qq.com。
通信作者:洑香香,博士,教授,博士生导师,从事林木种苗科学与技术研究。E-mail:xxfu@njfu.edu.cn。
更新日期/Last Update: 2019-11-20