[1]孔瑞,胡正华,陈书涛,等.增温和降水量减少对冬小麦和大豆生物量和酶活性的影响[J].江苏农业科学,2019,47(23):110-115.
 Kong Rui,et al.Impacts of warming and decreasing precipitation on biomass and enzyme activity of winter wheat and soybean[J].Jiangsu Agricultural Sciences,2019,47(23):110-115.
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增温和降水量减少对冬小麦和大豆生物量和酶活性的影响()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第23期
页码:
110-115
栏目:
遗传育种与耕作栽培
出版日期:
2019-12-30

文章信息/Info

Title:
Impacts of warming and decreasing precipitation on biomass and enzyme activity of winter wheat and soybean
作者:
孔瑞12 胡正华12 陈书涛12 柯浩楠2 王亚萍2 吴杨周2
1.南京信息工程大学气象灾害预报预警与评估协同创新中心/江苏省农业气象重点实验室,江苏南京 210044;
2.南京信息工程大学应用气象学院,江苏南京 210044
Author(s):
Kong Ruiet al
关键词:
增温降水量减少冬小麦大豆生物量酶活性
Keywords:
-
分类号:
S181;S162.5
DOI:
-
文献标志码:
A
摘要:
通过田间控制试验,设置对照(CK)、增温约2 ℃(T)、降水量减少30%(P)、增温约2 ℃+降水量减少30%(TP)4种不同处理,研究增温和降水减少对作物生物量以及叶片硝酸还原酶(nitrate reductase,简称NR)、土壤酶活性的影响。结果表明,在冬小麦生长季,与CK相比,T处理在抽穗—扬花期显著增加地上生物量46.01%(P=0.000)、总生物量34.07%(P=0.001),在灌浆—成熟期显著增加地上生物量30.47%(P=0.028);TP处理在拔节—孕穗期显著增加地上生物量 53.45%(P=0.024),在抽穗—扬花期显著增加地上生物量19.82%(P=0.014),在收获期显著增加地上生物量 34.60%(P=0.004)、总生物量29.08%(P=0.011)。在大豆生长季,与CK相比,T处理在三叶期显著增加地下生物量48.89%(P=0.035)、总生物量38.23%(P=0.041),在开花期显著增加地上生物量82.61%(P=0.035)、总生物量74.05%(P=0.040);TP处理在三叶期显著增加地上生物量43.56%(P=0.030)、总生物量4254%(P=0.027);P处理对冬小麦和大豆的生物量影响未达到显著水平。增温、降水量减少处理对冬小麦和大豆叶片NR活性没有显著影响,但TP处理在大豆开花期显著增加NR活性,增幅为42.84%(P=0.023)。增温和降水量减少对冬小麦和大豆土壤酶活性的影响规律基本一致,相比于CK,T处理增加土壤转化酶和脲酶活性、降低土壤过氧化氢酶活性,P处理降低扬花期土壤脲酶活性,TP处理增加成熟期土壤转化酶活性。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-11-04
基金项目:国家自然科学基金面上项目(编号:41775152、41775151);江苏省大学生实践创新计划(编号:201810300070Y)。
作者简介:孔瑞(1994—),女,河南驻马店人,硕士研究生,主要从事农业气象与生态研究。E-mail:923875630@qq.com。
通信作者:胡正华,博士,教授,主要从事农业应对气候变化研究。E-mail:zhhu@nuist.edu.cn。
更新日期/Last Update: 2019-12-05