A Quarter Century Since the SUB1A Gene: New Flood-Tolerant Rice and Feeding Millions
By Waseem Hussain, Mahender Anumalla, Margaret Catolos, Joie Ramos, Ma Teresa Sta. Cruz, and Myrtel Valenzuela In a landmark study published in The Plant Genome, IRRI scientists unveiled a next-generation flood-tolerant rice germplasm that outperforms current SUB1A varieties by 40–50% in submergence tolerance. This germplasm also exhibits high stagnant flooding tolerance, a trait lacking in SUB1A varieties. Floods Threaten Asia’s Rice Bowl—And SUB1A Alone Isn’t Enough