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Biomass partitioning and physiological responses of four Moroccan barley varieties subjected to salt stress in a hydroponic system

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영문명
Biomass partitioning and physiological responses of four Moroccan barley varieties subjected to salt stress in a hydroponic system
발행기관
(사)한국식물생명공학회
저자명
Bouhraoua Said Ferioun Mohamed Nassira Srhiouar Boussakouran Abdelali Akhazzane Mohamed
간행물 정보
『Journal of Plant Biotechnology』제50권 제2호, 115~126쪽, 전체 12쪽
주제분류
농수해양 > 기타농수해양
파일형태
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발행일자
2023.06.30
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국문 초록

영문 초록

A hydroponics experiment was performed to study the physiological and biochemical changes in Moroccan barley (Hordeum vulgare L.) varieties cultivated under salt stress conditions. Four barley varieties were grown under exposure to three salt concentrations, including 0, 200, and 300 mM NaCl. The ANOVA for both salt stress-sensitive and resistant varieties indicated that salt treatment represented the main source of variability in all studied traits. Salt treatment significantly reduced root and shoot dry weight (RDW and SDW), relative water content (RWC), and chlorophyll content (Chl a, Chl b, and Chl T). However, increases in electrolyte leakage (EL) along with proline and total soluble sugar (TSS) contents were recorded. In addition, large variations in all measured traits were found between varieties. The ‘Massine’ and ‘Laanaceur’ varieties displayed relatively higher RDW and SDW values. The ‘Amira’ and ‘Adrar’ varieties showed lower RWC values and Chl contents than those of the controls indicating their relative sensitivity to salt stress. Principal component analysis revealed that most of the variation was captured by PC1 (72% of the total variance) which grouped samples into three categories according to salt treatment. Correlation analyses highlighted significant associations between most parameters. Positive relationships were found between RDW, SDW, RWC, Chl content, and soluble proteins contents, while all of these parameters were negatively associated with EL intensity, proline content, and TSS content. The results from this study showed that the ‘Massine’ and ‘Laanaceur’ varieties were relatively salt-tolerant. These two salt-tolerant varieties present a good genetic background for breeding of barley varieties showing high salt tolerance.

목차

Introduction
Materials and Methods
Results
Conclusion
Funding
Conflicts of Interest
Acknowledgement
References

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APA

Bouhraoua Said,Ferioun Mohamed,Nassira Srhiouar,Boussakouran Abdelali,Akhazzane Mohamed. (2023).Biomass partitioning and physiological responses of four Moroccan barley varieties subjected to salt stress in a hydroponic system. Journal of Plant Biotechnology, 50 (2), 115-126

MLA

Bouhraoua Said,Ferioun Mohamed,Nassira Srhiouar,Boussakouran Abdelali,Akhazzane Mohamed. "Biomass partitioning and physiological responses of four Moroccan barley varieties subjected to salt stress in a hydroponic system." Journal of Plant Biotechnology, 50.2(2023): 115-126

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