Breeding of 'fu 296' rice with high yield and good quality by 60Co γ-rays irradiaton dry seeds of hybrid F1

F1 dry seeds of Z96-03 x Guangchangzhan were irradiated by 80 Gy 60Co γ-rays. The early maturity inbred indica rice 'Fu 296' was developed through the pedigree breeding method. It has the primary characteristics of high and stabilizing grain yield, better grain quality, ideotype canopy architecture, erect leaves, taller plant height, stiff and sturdy stems, resistance to lodging, large panicle and higher filled seed rate, et al. Fu 296 had passed the cultivar registration of Hunan Province in March, 2008. (authors)