Screening of okra genotypes for their resistance to salinity and drought

被引：1

作者：

Dasgan, H. Y. ^{[1
]}

Kucukkomurcu, S. ^{[1
]}

Coban, G. Aydoner ^{[2
]}

Kusvuran, S. ^{[3
]}

Akhoundnejad, Y. ^{[4
]}

机构：

[1] Cukurova Univ, Dept Hort, Adana, Turkey

[2] Bozok Univ, Akdagmadeni Vocat Sch, Yozgat, Turkey

[3] Cankiri Karatekin Univ, Kizilirmak Vocat Sch, Cankiri, Turkey

[4] Sirnak Univ, Dept Hort, Sirnak, Turkey

来源：

XXX INTERNATIONAL HORTICULTURAL CONGRESS IHC2018: INTERNATIONAL SYMPOSIUM ON TROPICAL AND SUBTROPICAL VEGETABLE PRODUCTION: TACKLING PRESENT AND FUTURE GLOBAL BIOTIC AND ABIOTIC STRESSORS | 2019年 / 1257卷

关键词：

Abelmoschus esculentus; stress; saline; water; tolerance; selection; breeding; SALT TOLERANCE; ION REGULATION; GROWTH; STAGE;

D O I：

10.17660/ActaHortic.2019.1257.14

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

In the study, 37 okra genotypes have been investigated for their responses against salinity and drought stresses in early plant growth stage. For these purposes, several morphological and physiological measurements and analysis have been done. Shoot and root dry weights, plant height, leaf number, leaf area, relative water content, stomatal conductance, leaf osmotic potential, leaf water potential, shoot Na, K, Ca and Cl concentrations were measured and analyzed. Salt and drought tolerant and sensitive (intolerant) genotypes have been found out according to the responses of the okra genotypes to the above mentioned morphological and physiological parameters. At the end of the study, 37 okra genotypes were classified as tolerant, mildly tolerant or susceptible. The leaf water potential, osmotic potential, stomatal conductance, membrane injury, K, Ca, Na and Cl concentrations in shoot and root were more relevant parameter for screening studies.

引用

页码：95 / 102

页数：8

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