[1]周娟,邹礼平.壳聚糖对盐胁迫下豇豆幼苗生长发育的影响[J].北方园艺,2014,38(23):30-33.
　ZHOU Juan,ZOU Li-ping.Effect of Chitosan on Seedling Growth of Cowpea Under Salt Stress[J].Northern Horticulture,2014,38(23):30-33.
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壳聚糖对盐胁迫下豇豆幼苗生长发育的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第38卷 期数: 2014年23期 页码: 30-33 栏目: 出版日期: 2014-12-15
Title:
Effect of Chitosan on Seedling Growth of Cowpea Under Salt Stress
文章编号:
1001-0009(2014)23-0030-04
作者:
周娟; 邹礼平
湖北工程学院 生命科学技术学院，特色果蔬质量安全控制湖北省重点实验室，湖北 孝感 432000
Author(s):
ZHOU Juan; ZOU Li-ping
College of Life Science and Technology，Hubei Engineering University，Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables，Xiaogan，Hubei 432000
关键词:
豇豆; 盐胁迫; 壳聚糖; 抗盐性
Keywords:
cowpea; salt stress; chitosan; salt resistance
分类号:
S 643.4
文献标志码:
B
摘要:
以豇豆为试材，在300 mmol/L NaCl胁迫条件下，研究了不同浓度壳聚糖溶液处理对豇豆幼苗生长发育的影响。结果表明：经壳聚糖处理的豇豆幼苗株高、茎粗明显提高，促进了幼苗的形态建成；幼苗经过壳聚糖诱导后，超氧化物歧化酶（SOD）、过氧化物酶（POD）活性均显著高于对照，丙二醛（MDA）含量和电解质渗出率显著降低；壳聚糖在适宜的施用浓度范围内，能够缓解豇豆幼苗的盐害症状，提高抗盐能力，对豇豆幼苗的生长有一定的促进作用，当壳聚糖的处理浓度为200~250 mg/L时，作用效果最明显。
Abstract:
Using cowpea as test materials，under the stress condition of 300 mmol/L NaCl，the influence of different concentrations of chitosan solution on cowpea seedling growth were studied.The results showed that chitosan treatment could improve the plant height and stem diameter significantly and promote seedling morphogenesis.And the SOD and POD activity were significantly higher than the control，MDA content and electrolyte leakage reduced significantly.The chitosan solution could alleviate the symptoms of salt injury of cowpea seedling，improve the salt tolerance in the appropriate concentration range.And the effect were the best when the chitosan solution concentrations were 200-250 mg/L.

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备注/Memo

第一作者简介：周娟（1987-），女，湖北宜昌人，硕士，现主要从事农业技术推广等工作。E-mail：xgxyzlp@126.com.

更新日期/Last Update: 2014-12-23