Abstract:
Jiaguyou 404 was a new combination of high-quality hybrid rice bred by Quanzhou Institute of Agricultural Sciences, which was bred by crossing Jiagu A, a three-line sterile line with good quality and disease resistance, as the female parent and Quanhui 404 as the male parent. The combination had the characteristics of good plant-leaf shape, large panicle and multiple grains, moderate plant height and plant type, high and stable yield, and good rice quality, which was examined and approved by Fujian Crop Variety Approval Committee in 2022. The breeding process, characteristics, high-yield cultivation and seed production technologies of the new hybrid rice combination, namely Jiaguyou 404 were introduced .