학술논문
Phenotypic and Molecular Marker Based Screening of Coastal Rice Landraces under Salt Stress
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- 영문명
- 발행기관
- 한국육종학회
- 저자명
- Md. Faridul Islam Nasar Uddin Ahmed Gopal Saha
- 간행물 정보
- 『Plant breeding and biotechnology』Vol.8 No.3, 238~251쪽, 전체 14쪽
- 주제분류
- 농수해양 > 기타농수해양
- 파일형태
- 발행일자
- 2020.09.01
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국문 초록
영문 초록
Traditional rice landraces of coastal areas in Bangladesh are distinct in respect to their phenotypes, responses to salt stress and yield attributes. In characterization of coastal rice landraces, 46 rice genotypes were tested for salt tolerance at their seedling and reproductive growth stages. Through the cluster analysis following standard evaluation score (SES), genotypes were divided into five categories (highly susceptible, susceptible, moderately tolerant, tolerant and highly tolerant) at their seedling stage. Three coastal genotypes, viz. chorbindi, joyni and kedgrangal mota, were grouped as highly saline tolerant at their seedling stage. In studying reproductive stage salinity screening, based on mean score values obtained from different morphological and yield parameters (plant height, number of effective tillers/hill, number of filled grains, panicle length, 100-grain weight, and straw dry weight), kutiakon and kajolshail were identified as the salinity tolerant landraces while tulsimala, dudhkalom, birindi, bushihara, lalmota, chorboleshor, lalchikon and bashful chikon were found as moderately tolerant to salinity. Finally, the molecular characterization using two simple sequence repeat (SSR) markers, viz., RM493 and RM3412 revealed holde mota, dingamoni, kedgrangal mota, sada mota, laxmima, dishari, lal chikon, kalijira, kalo khaya, khaioz, chorbindi, kajolshail, kutiakon, bamonkhir, dudhmora, sakhorkhora, mota dhan, and sorbimaloti as tolerant landraces. These identified salt-tolerant landraces can be used as promising germplasm resources for breeding salt-tolerant high-yielding rice varieties in the future.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
AUTHOR CONTRIBUTIONS
ACKNOWLEDGEMENTS
CONFLICT OF INTEREST
REFERENCES
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- Inducing Potential Mutants in Bread Wheat Using Different Doses of Certain Physical and Chemical Mutagens
- Phenotypic and Molecular Marker Based Screening of Coastal Rice Landraces under Salt Stress
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