[1]宁金花,张艳贵,解娜,等.早籼品种湘早籼45号孕穗期淹涝胁迫试验[J].江苏农业科学,2016,44(05):106-111.
 Ning Jinhua,et al.Experimental study on submergence stress of early indica rice “Xiangzaoxian No.45” at booting stage[J].Jiangsu Agricultural Sciences,2016,44(05):106-111.
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早籼品种湘早籼45号孕穗期淹涝胁迫试验 ()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年05期
页码:
106-111
栏目:
遗传育种与耕作栽培
出版日期:
2016-05-25

文章信息/Info

Title:
Experimental study on submergence stress of early indica rice “Xiangzaoxian No.45” at booting stage
作者:
宁金花14 张艳贵1 解娜1 陆魁东24 霍治国3 黄晚华24
1.湖南省长沙农业气象试验站,湖南长沙 410125;2.湖南省气象科学研究所,湖南长沙 410007;
3.中国气象科学研究院,北京 100081;4.气象防灾减灾湖南省重点实验室,湖南长沙 410118
Author(s):
Ning Jinhuaet al
关键词:
水稻淹涝胁迫株高绿叶数卷叶长度高位分蘖茎节长度
Keywords:
-
分类号:
S511.2+10.3;S422
DOI:
-
文献标志码:
A
摘要:
利用湘早籼45号常规水稻品种孕穗期淹涝胁迫数据,分析了不同淹涝深度和时间下水稻形态差异性,并基于不同淹涝深度,建立株高、绿叶数、卷叶长度、高位分蘖、茎长等形态特征值与淹涝持续时间模型。结果表明:相同淹涝深度下,涝渍持续时间与株高变化率、绿叶数变化率、卷叶长度、高位分蘖率、总茎节长度呈二次曲线关系。不同淹涝深度之间淹涝结束后0 d株高变化率差异不大,淹涝结束后5 d差异明显。淹涝结束后0 d,淹涝深度越浅水稻绿叶数变化越明显。1/2淹与2/3淹处理下,淹涝持续时间5 d以内,高位分蘖茎主要发生在倒1茎节;淹涝时间5 d以上,倒1、2茎节均发生高位分蘖的频率较高。随着淹涝深度的增加,倒1、倒3茎节长度呈缩短趋势,倒2茎节呈伸长趋势,总茎节长度呈缩短趋势。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2015-03-23
基金项目:国家科技支撑计划 (编号:2012BAD20B02)。
作者简介:宁金花(1979—),女,江苏徐州人,硕士,高级工程师,主要从事农业气象研究。E-mail:jinhua1981428@163.com。
更新日期/Last Update: 2016-05-25