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Genetic diversity, genetic variability, and path analysis for yield and itscomponents in indigenous upland rice (Oryza sativa L. var. glutinosa) |
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| รหัสดีโอไอ | |
| Creator | 1. Suwansa Chuchert 2. Charassri Nualsri 3. Nattapon Junsawang 4. Watcharin Soonsuwon |
| Title | Genetic diversity, genetic variability, and path analysis for yield and itscomponents in indigenous upland rice (Oryza sativa L. var. glutinosa) |
| Publisher | Research and Development Office, Prince of Songkla University |
| Publication Year | 2561 |
| Journal Title | Songklanakarin Journal of Science and Technology |
| Journal Vol. | 40 |
| Journal No. | 3 |
| Page no. | 609 |
| Keyword | correlation, genetic diversity, genetic variability, path analysis, upland rice |
| URL Website | http://rdo.psu.ac.th/sjstweb/index.php |
| ISSN | 0125-3395 |
| Abstract | Genetic diversity, genetic variability, and relationships of yield and its components are very important data for plantbreeders that affect the design of a breeding program. Twenty-two upland rice genotypes were evaluated. The genotypesindicated significant variations in nine traits. High phenotypic and genetic coefficients of variation were observed for yield perplant, number of panicles per plant, and number of spikelets per panicle. High broad-sense heritability and genetic adaptationswere found for yield per plant. Positive significant correlations were recorded between flag leaf length, number of panicles perplant, and number of spikelets per panicle. The highest direct effects on yield were attributed to the number of spikelets perpanicle and the number of panicles per plant. Cluster analysis grouped the 22 genotypes into groups I, II, and III, and the outgroupsconsisting of nine, five, six, and two genotypes. These results may facilitate upland rice breeding programs to improveyield. |
