水稻光温敏不育系19XS的选育及其特性分析

闸雯俊, 李行润, 周发松, 冯芳, 吴边, 陈俊孝, 石少阶, 周雷, 王静, 游艾青

Development and Characterization of Photo-Thermo-Sensitive Genic Male Sterile Rice Line 19XS

Zha Wenjun, Li Xingrun, Zhou Fasong, Feng Fang, Wu Bian, Chen Junxiao, Shi Shaojie, Zhou Lei, Wang Jing, You Aiqing

表2 2022年光温敏不育水稻人工光温育性鉴定

Table 2 Identification of artificial photo-thermo-sensitive male sterility in photo-thermo-sensitive genic male sterile rice in 2022

材料 Material 鉴定条件（光长－温度） Identification condition (Photoperiod-temperature) 花粉观察日期 Pollen observation date 花粉败育度 Pollen sterility (%) 自交结实率 Self-pollination seed set rate (%) 19XS 14.5 h-23.0 °C 07/27-08/10 99.56 0.00 14.5 h-24.0 ℃ 07/25-08/10 99.62 0.00 12.5 h-24.0 ℃ 07/22-08/06 99.58 0.00 14.5 h-自然温度 07/25-08/15 100.00 0.00 CK 14.5 h-23.0 °C 08/12-08/20 99.39 0.57 14.5 h-24.0 ℃ 08/10-08/20 99.51 0.00 12.5 h-24.0 ℃ 08/09-08/18 97.25 1.08 14.5 h-自然温度 08/10-08/25 99.88 0.00