干旱区生态环境知识资源中心(Arid): 苦豆子种子萌发期及幼苗期对盐、旱耐受性的探索

Arid

	苦豆子种子萌发期及幼苗期对盐、旱耐受性的探索
其他题名	The Study of Sophora alopecuroides Seeds and Seedling Drought and Salt Tolerance
	王彦芹 1; 张宁 2; 李志军 3
来源期刊	分子植物育种
ISSN	1672-416X
出版年	2017
卷号	15 期号:3 页码:1090-1095
中文摘要	苦豆子因其具有较强的耐盐、耐旱特性常被用于沙漠地区的防风固沙材料。本实验采用浓度为0.2 mol/L、0.3 mol/L、0.4 mol/L、0.5 mol/L的NaCl溶液模拟不同程度的盐胁迫,用PEG-6000质量分数为5%、10%、15%、20%、25%的溶液(对应的渗透势分别为-0.054 MPa, -0.177 MPa, -0.393 MPa, -0.735 MPa, -1.25 MPa)模拟不同程度的干旱胁迫,对苦豆子种子和幼苗进行胁迫处理,测定了不同处理条件下种子的最终发芽率、发芽势(第5天)和相对盐害率、旱害率及幼苗的相对电导率、叶绿素含量。结果表明苦豆子种子和幼苗能耐受的NaCl溶液浓度的临界值分别为0.3 mol/L和0.4 mol/L,能耐受的PEG-6000质量分数的临界值分别为15%和20%,表明苦豆子是一种具有极强耐盐、耐旱性的植物。该结果为苦豆子在荒漠区生态防护林的选材提供了依据,也有助于苦豆子耐盐、耐旱功能基因的发掘。
英文摘要	Sophora alopecuroides is used windbreak and sand-fixation plants because of its characteristics for resistance to salt and drought in the desert area. In this paper, the seed and seeding were treated by 0.2 mol/L, 0.3 mol/L, 0.4 mol/L, 0.5 mol/L NaCl solution, 5%, 10%, 15%, 20%, 25% PEG-6000 solution, respectively. And then we measured the germination rate, germinability, relative salt harm rate and drought harm rate of seed. Meanwhile the relative electrolytic leakage and chlorophyll content of seeding leaves were measured under salt and drought treatment. The experimental results showed that the Sophora alopecuroides seeds and seedlings could tolerate to NaCl solution were 0.3 mol/L and 0.4 mol/L, and PEG-6000 were 15% and 20% respectively. All showed that Sophora alopecuroides was a kind of characteristics for resistance to salt and drought plant. The results of Sophora alopecuroides could provide basis of desert ecological shelter forest in the selection, and also be helpful for salt tolerance, drought-tolerant gene discovery.
中文关键词	苦豆子 ; NaCl胁迫 ; PEG-6000胁迫 ; 抗逆性
英文关键词	Sophora alopecuroides NaCl stress PEG-6000 stress Stress resistance
语种	中文
国家	中国
收录类别	CSCD
WOS类目	PLANT SCIENCES
WOS研究方向	Plant Sciences
CSCD记录号	CSCD:5955024
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/235865
作者单位	1.塔里木大学,生命科学学院, 塔里木盆地生物资源保护利用兵团重点实验室-新疆省部共建国家重点实验室培训基地, 阿拉尔, 新疆 843300, 中国; 2.塔里木大学,生命科学学院, 阿拉尔, 新疆 843300, 中国; 3.塔里木大学, 塔里木盆地生物资源保护利用兵团重点实验室-新疆省部共建国家重点实验室培训基地, 阿拉尔, 新疆 843300, 中国
推荐引用方式 GB/T 7714	王彦芹,张宁,李志军. 苦豆子种子萌发期及幼苗期对盐、旱耐受性的探索[J],2017,15(3):1090-1095.
APA	王彦芹,张宁,&李志军.(2017).苦豆子种子萌发期及幼苗期对盐、旱耐受性的探索.分子植物育种,15(3),1090-1095.
MLA	王彦芹,et al."苦豆子种子萌发期及幼苗期对盐、旱耐受性的探索".分子植物育种 15.3(2017):1090-1095.