Mapping of a major QTL, qHD6-SD responsible for days to heading under natural short day conditions to develop rice varieties adaptable to tropical regions - Bombay, Maurene; Lee, Sais-Beul; Pacleb, Myrish; Jo, Sumin; Lee, Ji-Youn; Cho, Jun-Hyeon; Lee, Jong-Hee; Kang, Ju-Won; Kim, Sung-Ryul; Lee, Jae-Sung; Choi, Il-Ryong; Lee, Jeom-Ho; et al. (Korean Society of International Agriculture, 2021)