Response of transgenic rice at germination traits under salt and alkali stress

被引：0
|
作者：
Deng, Xiang-Xiong [1 ,2 ]
Zhang, Xiao-Qin [1 ]
Song, Xiu-Juan [1 ,2 ]
Lai, Kai-Kai [1 ,2 ]
Guo, Long-Biao [2 ]
Xin, Yue-Yong [1 ]
Wang, Hui-Zhong [1 ]
Xue, Da-Wei [1 ]
机构：
[1] Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou 310036, Zhejiang, Peoples R China
[2] China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 310036, Zhejiang, Peoples R China
来源：
AFRICAN JOURNAL OF AGRICULTURAL RESEARCH | 2011年 / 6卷 / 18期
基金：
中国国家自然科学基金; 浙江省自然科学基金;
关键词：
Transgenic rice; saline stress; alkali stress; germination traits; OSMOTIC STRESSES; BIOLOGY; GENE;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Rice is a worldwide cereal crop. Rice yield is severely threatened by saline and alkali stresses. A transgenic rice variety and its wild type (Nipponbare) were treated with four different levels of NaCl / Na2CO3 solutions to study the germination traits (germination percentage, root length, dry weight) of transgenic rice. Rice was found to be more sensitive to Na2CO3 than to NaCl solutions. Germination percentages declined with increasing sodium salts. When treated with 1.5% NaCl, only 40% of Nipponbare and 51% of transgenic rice could survive. The root length of Nipponbare was significantly more restricted than that of transgenic rice. Transgenic rice showed better performance at germination and early seedling growth compared to its wild type under salt and alkali stress.
引用
收藏
页码：4335 / 4339
页数：5
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