TY - RPRT TI - Historical rice samples from the 1950s reveal pre-modern-breeding population structure in indica landraces of mainland Southeast Asia AU - Numaguchi, K. AU - Lim, S. AU - Orn, C. AU - Higashikubo, Y. AU - Saito, H. AU - Sato, Y. AU - Ishikawa, R. AU - Gutaker, R. M. AU - Ishii, T. PY - 2026 DO - 10.64898/2026.04.19.719523 UR - https://www.biorxiv.org/content/10.64898/2026.04.19.719523v1 ID - 10.64898/2026.04.19.719523 ER -