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Authors Azeem, A; Wu, YY; Javed, Q; Xing, DK; Ullah, I; Kumi, F
Author Full Name Azeem, Ahmad; Wu, Yanyou; Javed, Qaiser; Xing, Deke; Ullah, Ikram; Kumi, Francis
Title RESPONSE OF OKRA BASED ON ELECTROPHYSIOLOGICAL MODELING UNDER SALT STRESS AND RE-WATERING
Source BIOSCIENCE JOURNAL
Language English
Document Type Article
Author Keywords Water potential; Physiological capacitance; Leaf tensity; Plant growth
Keywords Plus ABELMOSCHUS-ESCULENTUS L.; DROUGHT STRESS; SALINITY TOLERANCE; USE EFFICIENCY; GROWTH; PHOTOSYNTHESIS; CAPACITANCE; WHEAT; SEEDLINGS; RECOVERY
Abstract In this study, two okra cultivars, Chinese green and Chinese red were used to assess the water status and growth parameters subjected to salt stress by adding NaCl and CaCl2 with same proportion in Hoagland culture solution at levels of 0%, 0.6%, 1.2%, 1.8% and re-watering at levels of 0.6-0%, 1.2-0.6%, 1.8-1.2%. The measured water potential and physiological capacitance values were used to calculate leaf tensity. Salt stress significantly reduced growth and water status parameters. Chinese green showed more reduction as compared to Chinese red but at 1.8% salt stress reduction of both cultivars were almost same. Re-watering had given a positive response for both cultivars to recover from higher salt stress. Dry weight, physiological capacitance, leaf tensity and salts concentration levels models gave predicting re-watering levels in percentage, also gave values of dilute irrigation point for Chinese red 9.05 or 10.00 ds m(-1) and Chinese green 6.67 or 5.66 ds m(-1). At resulted dilution points, plants of both cultivars were under high salt stress, which emphasized the need to re-water or dilution of salts for the survival of plants. The most effective predicting re-watering level and dilute irrigation point of both cultivars were found in same regime, so these models findings were very credible and meaningful. Higher dilute irrigation value of Chinese red indicates its more tolerance ability than Chinese green. Model's equations also gave direct irrigation point of Chinese red 1.32 or 1.62 ds m(-1) and Chinese green 2.07 or 0.38 ds m(-1). It was concluded that predicting re-watering levels, dilute and direct irrigation point help to get maximum production using saline water resources.
Author Address [Azeem, Ahmad; Javed, Qaiser; Xing, Deke; Ullah, Ikram; Kumi, Francis] Jiangsu Univ, Inst Agr Engn, Minist Educ, Key Lab Modern Agr Equipment & Technol, Zhenjiang, Jiangsu, Peoples R China; [Wu, Yanyou] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Res Ctr Environm Biosci & Technol, Guiyang, Guizhou, Peoples R China
Reprint Address Wu, YY (corresponding author), Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Res Ctr Environm Biosci & Technol, Guiyang, Guizhou, Peoples R China.
E-mail Address wuyanyou@mail.gyig.ac.cn
ResearcherID Number Kumi, Francis/AAR-2123-2020; Xing, Deke/AAL-8873-2020
ORCID Number Kumi, Francis/0000-0003-2815-0134
Funding Agency and Grant Number National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31301243]; national key basic research program (973) special projects [2013CB956701]; Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions; research foundation for introduce talents of Jiangsu University [13JDG030]
Funding Text This study was supported by the project of the National Natural Science Foundation of China (No. 31301243); the national key basic research program (973) special projects (2013CB956701), the Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions, the research foundation for introduce talents of Jiangsu University (13JDG030).
Times Cited 4
Total Times Cited Count (WoS, BCI, and CSCD) 4
Publisher UNIV FEDERAL UBERLANDIA
Publisher City UBERLANDIA
Publisher Address AV PARA, 1720 CAMPUS UMUARAMA, UBERLANDIA, 38400-902, BRAZIL
ISSN 1981-3163
29-Character Source Abbreviation BIOSCI J
ISO Source Abbreviation Biosci. J.
Publication Date SEP-OCT
Year Published 2017
Volume 33
Issue 5
Beginning Page 1219
Ending Page 1229
Page Count 11
Web of Science Category Agriculture, Multidisciplinary; Agronomy; Biology
Subject Category Agriculture; Life Sciences & Biomedicine - Other Topics
Document Delivery Number FG8GW
Unique Article Identifier WOS:000410668800012
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