|本期目录/Table of Contents|

[1]李晓曼,王建军.丛枝菌根真菌对镍胁迫桂花幼苗光合作用及抗氧化酶活性的影响[J].江苏农业科学,2019,47(21):223-227.
 Li Xiaoman,et al.Effects of arbuscular mycorrhizal fungi on photosynthesis and antioxidant enzyme activities of osmanthus seedlings under nickel stress[J].Jiangsu Agricultural Sciences,2019,47(21):223-227.
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丛枝菌根真菌对镍胁迫桂花幼苗光合作用
及抗氧化酶活性的影响
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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21期
页码:
223-227
栏目:
园艺与林学
出版日期:
2019-12-05

文章信息/Info

Title:
Effects of arbuscular mycorrhizal fungi on photosynthesis and antioxidant enzyme activities of osmanthus seedlings under nickel stress
作者:
李晓曼1 王建军2
1.重庆三峡职业学院农林科技系,重庆万州 400155; 2.长安大学,陕西西安 710061
Author(s):
Li Xiaomanet al
关键词:
丛枝菌根真菌桂花光合作用抗氧化酶
Keywords:
-
分类号:
S685.130.1;S182
DOI:
-
文献标志码:
A
摘要:
以桂花幼苗为材料,研究接种丛枝菌根真菌(AMF)对0、100、200、300、400 mg/L这5种镍(Ni)质量浓度胁迫下桂花光合作用及抗氧化酶活性等的影响。结果表明,5种Ni胁迫质量浓度下,未接种AMF的桂花幼苗根系菌根侵染率均为0,而接种AMF的根系菌根浸染率则随Ni胁迫质量浓度的增大而逐渐降低;随Ni胁迫质量浓度的增大,接种、未接种AMF的桂花幼苗叶片叶绿素含量、类胡萝卜素含量、净光合速率(Pn)、气孔导度(Gs)、蒸腾速率(Tr)、植株株高、茎粗、总干物质含量呈逐渐降低趋势,且接种AMF的桂花幼苗相应指标下降幅度多显著低于未接种处理(P<0.05),而胞间二氧化碳浓度(Ci)呈先降后增,接种AMF的桂花幼苗叶片Ci显著低于未接种处理,相对电导率、丙二醛(MDA)含量呈逐渐上升趋势,且接种AMF的桂花幼苗的相应指标多显著低于未接种处理,超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)则呈先升后降趋势,接种AMF的桂花幼苗抗氧化酶活性显著高于未接种处理;Ni胁迫质量浓度为400 mg/L时,接种AMF的桂花幼苗叶绿素含量、PnGsTr、株高、总干物质质量、SOD活性、POD活性、CAT活性分别较未接种的分别显著增加69.72%、80.22%、61.90%、42.48%、22.12%、15.76%、6085%、21.83%、22.03%,Ci、相对电导率、MDA含量分别较未接种的显著降低6.98%、10.04%、19.21%。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-08-07
基金项目:全国农业职业教育“十三五”科研项目(编号:2016-135-Y-005)。
作者简介:李晓曼(1980—),女,辽宁营口人,硕士,讲师,从事园林植物栽培及园林规划设计研究。E-mail:582659554@qq.com。
更新日期/Last Update: 2019-11-05