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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.9
- 수록면
- 225 - 236 (12page)
- DOI
- 10.9787/KJBS.2024.56.3.225
이용수
초록· 키워드
오류제보하기
In Asia, where climate change is increasing the damage caused by cold stress,it is crucial to cultivate varieties with enhanced cold tolerance. In this study, the Tongil variety‘Hanareum2’ was crossed with the Japonica variety ‘Unkwang’ to improve plant growthability at low temperatures during the seedling stage. This led to the development of 234recombinant inbred line (RIL) populations, and a linkage map was constructed using 249single nucleotide polymorphism (SNP) markers. The RIL populations were transplanted tothe field one month earlier than the standard transplanting period, and plant height (PH),leaf number (LN), and dry weight (DW) were measured to identify quantitative trait loci(QTL) associated with plant growth ability at low temperatures during the seedling stage.
QTLs related to cold tolerance, particularly those carrying the ‘Unkwang’ allele, were identifiedin the PH and DW traits. For PH, the QTLs qPH1, qPH5, and qPH8 were located onchromosomes 1, 5, and 8, respectively. Regarding DW, the QTLs qDW1, qDW8, and qDW9were identified on chromosomes 1, 8, and 9. For the LN trait, qLN3 carrying the ‘Hanareum2’allele was located on chromosome 3. If the identified QTLs are utilized, they can be incorporatedinto breeding programs for plant growth at low temperatures during the seedlingstage.
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