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MOLECULAR CHARACTERIZATION OF LOCAL RICE (Oryza sativa L.) GENOTYPES FROM YANGON REGION IN MYANMAR USING SSR MARKERS

http://hdl.handle.net/20.500.12678/0000000150
17317e72-d873-42ac-b2c7-79ccd8c4e5d2
63a04c70-eb0c-4b40-9eec-425dcec5b02e
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Title
Title MOLECULAR CHARACTERIZATION OF LOCAL RICE (Oryza sativa L.) GENOTYPES FROM YANGON REGION IN MYANMAR USING SSR MARKERS
Language en
Publication date 2019-12
Authors
HTWE, ZAW WIN
Description
In Asia, Myanmar is center of rice genetic diversity as there are numerous rice varieties under diverse agro-ecological zones. In order to estimate genetic diversity of rice germplasm in Yangon region of Myanmar, 102 genotypes from different parts of region were analyzed by using 12 SSR markers at New Genetics laboratory, Advanced Center for Agricultural Research and Education (ACARE) in Yezin Agricultural University (YAU). In SSR characterization, the maximum and minimum Polymorphic Information Content (PIC) values were found to be 0.79 and 0.21 for the primers RM229 and RM201, respectively. The mean value of PIC was 0.69. The total number of alleles was 91 and the average number of alleles per locus was 7.58. Average genetic diversity was 0.72 indicating high genetic diversity among the genotypes. Phylogenetic cluster analysis of SSR data based on UPGMA and Nei's genetic distance divided into eight groups. These results reflect the high genetic differentiation existing in rice germplasm. The population structure analysis in the present study resulted in nine population. This result indicated that SSR markers have proved to be useful for detecting genetic diversity of Yangon rice genotypes, and the occurrence of a considerably high number of rare and unique alleles in the genotypes indicates their potentiality as a reservoir of rare genotypes for use. The results from molecular data can be the integral part of plant breeding program, particularly, the development of new rice varieties with desirable qualities and also useful for plant varietal protection.
Keywords
Rice
Identifier https://yauor-yau.archive.knowledgearc.net/handle/123456789/285
Journal articles
Yezin Agricultural University
Conference papaers
Books/reports/chapters
Thesis/dissertations
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