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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue May 2019, 40 (3)                                     Back


nstantaneous and historical temperature effects on a-pinene

Assessment of salinity tolerance based upon morpho-physiological attributes in white jute (Corchorus capsularis L.)

 

Paper received: 24.04.2018??????? ????????????????? Revised received: 03.08.2018?????????? ????????????????? Re-revised received: 22.09.2018?????? ????????????? Accepted: 09.11.2018

 

 

Authors Info

M. Ramesh Naik1*, D. Barman1, R.T. Maruthi1, V.R. Babu1,

U.K. Mandal2 and D.K. Kundu1??     

 

1ICAR-Central Research????????????????? Institute for Jute and Allied

Fibres, Barrackpore-700 120, India

 

2ICAR-Central Soil Salinity Research Institute, Regional Research Station,

Canning Town-743 329, India     

 

 

*Corresponding Author Email :

rameshag16@gmail.com

 

 

Abstract

 

Aim: A study was conducted to evaluate the salinity tolerance of white jute (C. capsularis) cultivars.

 

Methodology: Five white jute cultivars were assessed for different salinity concentrations (0, 100, 150, 200 and 250 mM NaCl) in a split plot design with three replications per concentration under greenhouse condition. A total of fifteen plants were sampled from each treatment ten days after treatment with NaCl to determine morphological and physiological parameters.

 

Results: Increased NaCl concentrations reduced all the morphological and physiological parameters such as plant height, root length, number of leaves, leaf area, shoot and root dry weight, relative leaf water content (RLWC), chlorophyll, protein, proline content, K+ accumulation in shoot and leaves, but water saturation deficit (WSD) and Na+ contents were increased in the shoot and leaves.               

 

Interpretation: The study revealed that among all cultivars assessed JRC-532 and JRC-321 showed relatively better performance against salt stress whereas cultivar JRC-517 was found more susceptible to salt stress.

 

Key words: Chlorophyll, Corchorus capsularis, Proline, Relative water content, Water saturation deficit

 

 

 

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