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Legume Research

Morphophysiological and yield attributes of groundnut varieties under different salinity stress conditions

DOI: 10.18805/LR-398    | Article Id: LR-398 | Page : 684-687
Citation :- Morphophysiological and yield attributes of groundnut varieties under different salinity stress conditions.Legume Research.2019.(42):684-687
F. Yasmine, M.A. Rahman, M.M. Hasan, Md. Amirul Alam, M.S. Haque, M.R. Ismail and M.Y. Rafii mahmudag60@yahoo.com
Address : Plant Breeding Division, Bangladesh Institute of  Nuclear Agriculture, Mymensingh, Bangladesh.
Submitted Date : 15-12-2017
Accepted Date : 18-07-2019
First Online:

Abstract

The study sought to evaluate the response of three groundnut genotypes (Binachinabadam-3, Dacca-1 and Zhingabadam) to various salt concentrations (D0 – Control, D1 – 2.5 dS/m, D2 – 5.0 dS/m, D3 – 7.5 dS/m, D4 – 10.0 dS/m, D5 – 12.5 dS/m) through observation of morphological and physiological characters. Based on relative performance of yield contributing characters and nutrient contents of leaves and stem, Binachinabadam-3 emerged to be a tolerant variety and based on root shoot characters, Dacca-1 appeared as tolerant while Zhingabadam always performed as sensitive variety. Salinity treatments had most adverse effects at flowering stage and followed the trend of sensitivity as flowering stage > vegetative stage> pre sowing stage > pod filling stage. All varieties were found to be tolerant up to salinity level of 7.5 dS/m.

Keywords

Arachishypogaea Oil crops Salinity stress Salinity tolerance

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