Paper Title
Review of abiotic stress tolerance of African rice (Oryza glaberrima)
Article Identifiers
Authors
Dr. Shaibu Abraham Attah , Dr. Vimal Semwal Kumar , Dr. Francis Nwilene , Dr. Adeoti Adewale O. , Audu Sale Dogo
Keywords
Key words: Abiotic, Breeding, Drought, Genome, Germplasm, Interspecific, Oryza, Species, Stress
Abstract
Abstract The utilization of Oryza glaberrima in a number of abiotic stresses such as drought iron toxicity, submergence, salt tolerance and weed competitiveness and ability to grow under low input soil condition has been reported in several literatures. Despite its utilization, hybridization between O. glaberrima and O. sativa hampered by high sterility phenomenon in interspecific F1 and in early progenies development. Though, African rice species (Oryza glaberrima) has been used in interspecific hybridization with Oryza sativa with combine yield traits and resistant to some abiotic stresses that are uniquely adapted to Africa growing environment. The high rate of sterility in the crosses between (O. sativa x O. glaberrima) have been confirmed to reduce the required maximum breakthrough in interspecific hybridization of these species. Thus, information on crossing barrier and hybrid sterility phenomenon expressed in O. sativa x O. glaberrima crosses, led to the recent development in breeding and molecular markers and linkage map approach of O. glaberrima which provides the opportunity to rationalize introgressions between the two cultivated rice species (O. glaberrima x O. sativa). Genetic models for the female sterility between the two cultivated species for their full utilization in rice improvement for abiotic stress tolerance have been proposed. The recent achievements in marker assisted selection using molecular tools for introgression of desirable traits and the development of such introgressed desirable traits of interests and elimination of sterility genes through interspecific hybridization and backcrossing represents a very high potential to create new genetic and transgressive variation that with be useful for developing rice tolerant to various abiotic stresses. In this effort, several approaches to abiotic stress tolerance have been developed starting from field screening and use of molecular tools. The interspecific and backcross breeding methodology is anticipated to make this approach feasible. It is expected that the results will produce complimentary breeding techniques that will provide (i) water information of field phenotyping and systematic assessment of the useful heritable resources exhibit by Oryza glaberrima, (ii) substantiate on empirical data on Oryza glaberrima for drought tolerance breeding and (iii) tools for genetic analysis of O. glaberrima germplasm. Though, the overall goal for the use of O. glaberrima in breeding rice for abiotic stress tolerance is challenging, but promising if we understand the genetic base of the two cultivated species, this can be widened for its exploitation in developing rice with higher yield and tolerant in abiotic stresses under harsh environmental conditions of Africa.
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How To Cite (APA)
Dr. Shaibu Abraham Attah, Dr. Vimal Semwal Kumar, Dr. Francis Nwilene, Dr. Adeoti Adewale O., & Audu Sale Dogo (January-2024). Review of abiotic stress tolerance of African rice (Oryza glaberrima). INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 9(1), a298-a317. https://ijnrd.org/papers/IJNRD2401034.pdf
Issue
Volume 9 Issue 1, January-2024
Pages : a298-a317
Other Publication Details
Paper Reg. ID: IJNRD_211698
Published Paper Id: IJNRD2401034
Downloads: 000121981
Research Area: Science
Country: Ibadan, , Oyo, Nigeria
Published Paper PDF: https://ijnrd.org/papers/IJNRD2401034.pdf
Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2401034
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Journal Name: INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT(IJNRD)
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