Development and evaluation of pyramiding lines carrying early or late heading QTLs in the indica rice cultivar ‘IR64’ - Takai, Toshiyuki; Lumanglas, Patrick; Fujita, Daisuke; Sasaki, Kazuhiro; Rakotoarisoa, Njato Michael; Tsujimoto, Yasuhiro; Kobayashi, Nobuya; Simon, Eliza Vie (Japanese Society of Breeding, 2021)