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Decha Songtoasesakul. Identification of QTL associated with salt tolerance at seedling stage in Rice (Oryza sativa L) using QTL-Seq. Master's Degree(Agricultural Biotechnology). Kasetsart University. Office of the University Library. : Kasetsart University, 2022.
Identification of QTL associated with salt tolerance at seedling stage in Rice (Oryza sativa L) using QTL-Seq
Name: Decha Songtoasesakul
Classification :.LCCS: SB191.R5
Abstract:
Rice is considered a major food crop across major countries worldwide. It yields about one-third of the total carbohydrate source of three billion people in the world Soil salinity is a major environmental constraint to agriculture by challenging plants with both osmotic and ionic stress; hence the yield decreases. To increase rice yields under salinity stress, the development of rice varieties for salinity tolerance is necessary. In this study, we applied the QTL-seq approach to rapidly identify QTLs for salinity tolerance under salinity stress (NaCl 150 mM) based on two DNA pools, each consisting of 17 individual plants that exhibited a salinity tolerant and 16 individual salinity susceptible phenotype from an F7 population of a cross between POKKALI (salinity tolerant) and KDML105 (salinity susceptible). Five QTLs, qST1, qST3, qST6, qST8, and qST11, were detected on chromosomes 1, 3, 6, 8, and 11 respectively, according to the highest contrasting SNP index between the two bulks. The three QTLs detected on chromosome 3, 6, and 8 shows significantly higher gene expressions in the seedling stage after salt stress. Nine candidate genes from chromosomes 3, 6, and 8 as the new target gene for salinity tolerance in the seedling stage. These results will provide an important genetic resource for salt tolerance and future rice breeding.
Kasetsart University. Office of the University Library
Address:
Bangkok
Email:
tdckulib@ku.ac.th
Name: Siwaret Arikit
Role:
Thesis Advisor
Name: Meechai Siangliw
Role:
Thesis CO-Advisor
Name: Samart Wanchana
Role:
Thesis CO-Advisor
Created:
2022
Modified:
2025-07-22
Issued:
2025-07-22
วิทยานิพนธ์/Thesis
application/pdf
URL: https://www.lib.ku.ac.th/KUthesis/2565/decha-son-all.pdf
CallNumber:
SB191.R5 .D45
eng
DegreeName: Master of Science
Level: Master's Degree
Descipline: Agricultural Biotechnology
Grantor: Kasetsart University
©copyrights Kasetsart University
RightsAccess:
ใช้เวลา
0.031313 วินาที
Decha Songtoasesakul
| Title | Contributor | Type |
|---|---|---|
| Identification of QTL associated with salt tolerance at seedling stage in Rice (Oryza sativa L) using QTL-Seq
มหาวิทยาลัยเกษตรศาสตร์ Decha Songtoasesakul | Siwaret Arikit | วิทยานิพนธ์/Thesis |
Siwaret Arikit
Meechai Siangliw
| Title | Creator | Type and Date Create |
|---|---|---|
| Development of Rice for Salt and Drought Tolerance Using Backcross Breeding and Marker Assisted Selection
มหาวิทยาลัยขอนแก่น Piyada Theerakulpisut;Meechai Siangliw | Dechudom Pamuta เดชอุดม ปามุทา | วิทยานิพนธ์/Thesis |
| Improvement of Khao Dawk Mali 105 rice for salt, drought tolerance and blast resistance using molecular marker assisted selection
มหาวิทยาลัยขอนแก่น Piyada Theerakulpisut;Jirawat Sanitchon;Meechai Siangliw | Nabpakarn Rotrujanon นัปการ โรจน์รุจานนท์ | วิทยานิพนธ์/Thesis |
Samart Wanchana
| Title | Creator | Type and Date Create |
|---|---|---|
| Aromatic gene discovery in winter melon (Benincasa hispida) for improving the aromatic varieties
มหาวิทยาลัยเกษตรศาสตร์ Siwaret Arikit;Samart Wanchana;Apichart Vanavichit | Saowalak Ruangnam | วิทยานิพนธ์/Thesis |