介绍了茶野型粳稻雄性不育系鄂粳A的选育过程、特征特性及恢保关系。鄂粳A不育性稳定,不育株率100%,不育度99.8%,花粉败育以典败为主,占98%以上,柱头外露率48.2%,异交结实率30%~50%,在武汉5月上旬至6月中旬播种,播始历期为78~90 d,属感温性粳稻类型,配合力较好,品质优良。 The breeding process, the characteristics and the relationship between the restorer and maintainer of the male sterile line Ejing A in Camellia japonica type were introduced. Ejing A had stable sterility with 100% sterile and 99.8% sterility. Pollen abortion was dominated by classic defeat, accounting for more than 98%, stigma exsertion rate was 48.2% and outcrossing rate was 30% ~ 50% , Sowing in Wuhan from early May to mid-June, the sowing date is 78-90 d, which is a type of susceptible japonica rice with good combining ability and good quality.