Protection of Vigna unguiculata (L.) Walp. plants from salt stress by paclobutrazol

被引:43
|
作者
Manivarman, P. [1 ]
Jaleel, C. Abdul [1 ]
Kishorekumar, A. [1 ]
Sankar, B. [1 ]
Somasundaram, R. [1 ]
Panneerselvam, R. [1 ]
机构
[1] Annamalai Univ, Dept Bot, Div Plant Physiol, Annamalainagar 608002, Tamil Nadu, India
关键词
paclobutrazol; Vigna unguiculata; NaCl stress; fungicide; antioxidant enzymes;
D O I
10.1016/j.colsurfb.2007.09.007
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
A pot culture experiment was conducted to estimate the stress ameliorating ability of paclobutrazol, a triazole fungicide in Vigna unguiculata (L.) Walp. plants. Treatments were given as 80 mM NaCl, 80 mM NaCl + 15 mg l(-1) paclobutrazol and 15 mg l(-1) paclobutrazol alone. The samples were collected on 60 and 80 days after sowing (DAS). NaCl stress inhibited the root and stem length, total leaf area, fresh weight (FW), dry weight (DW) and activities of antioxidant enzymes like superoxide dismutase (SOD), catalase (CAT) and peroxidase (POX). Plants treated with NaCl with paclobutrazol increased these parameters to a larger extent when compared to NaCl stressed plants. The results showed that the paclobutrazol significantly ameliorated the adverse effects of NaCl stress in V. unguiculata plants. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:315 / 318
页数:4
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