Response of transgenic rice at germination traits under salt and alkali stress
Response of transgenic rice at germination traits under salt and alkali stress
复制标题
转基因水稻在盐碱胁迫下发芽性状的响应
DOI:
10.5897/ajar11.755
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发表时间:
2011-09
影响因子:
--
通讯作者:
薛大伟
中科院分区:
文献类型:
--
作者:
薛大伟
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.
Key words: Transgenic rice, saline stress, alkali stress, germination traits.
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