[1]曹兵,王晶,姬全喜. 不同施氮水平下盐胁迫对灵武长枣苗生长的影响[J].西北林学院学报,2012,27(02):34-38.
　CAO Bing,WANG Jing,JI Quan-xi. Effect of Salt Stress on Seedling Growth of Lingwu Long Jujube under Different Nitrogen Applying Levels[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(02):34-38.
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 不同施氮水平下盐胁迫对灵武长枣苗生长的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年02期
页码:
34-38
栏目:
出版日期:
2012-03-30

文章信息/Info

Title:
 Effect of Salt Stress on Seedling Growth of Lingwu Long Jujube under Different Nitrogen Applying Levels
文章编号:
1001-7461(2012)02-0034-05
作者:
曹兵; 王晶; 姬全喜
 (1.宁夏大学 农学院，宁夏 银川 750021；2.宁夏防沙治沙职业技术学院，宁夏 银川 750021)
Author(s):
 CAO Bing;  WANG Jing;  JI Quan-xi
 (1.School of Agriculture, Ningxia University, Yinchuan, Ningxia 750021, China; 2.Ningxia College of Prevent and Control Desertification, Yinchuan, Ningxia 750001, China)
关键词:
 ; 灵武长枣; 氮素; 盐胁迫; 生长量; 缓解作用
Keywords:
 ; Zizyphus jujuba Mill. cv. Lingwuchangzao;  nitrogen fertilizer;  salt stress;  growth;  alleviating function
分类号:
S718.45
文献标志码:
A
摘要:
 以2年生灵武长枣嫁接苗为试验材料，采用室外盆栽试验研究不同氮素(100、200、300 mg·L-1)水平下盐（NaCl）胁迫（CK：0 mmol·L-1， A：50 mmol·L-1，B：150 mmol·L-1，C：200 mmol·L-1）对灵武长枣苗叶片单位面积干重、枣吊与枣头的粗和长净生长量的影响。结果表明：随着盐浓度的增加，枣吊与枣头的粗和长净生长量总体呈降低的趋势，其中盐浓度为50 mmol·L-1、氮处理为200 mg·L-1时的枣吊粗净生长量最大，盐浓度为50 mmol·L-1、氮处理为300 mg·L-1时的叶片单位面积干重最大；而盐害率（P）和盐害指数（D）则随盐浓度的增加而增大。盐胁迫下，提高氮浓度能促进苗木的生长、降低盐害程度，对盐胁迫的危害具有一定程度的缓解作用。

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