Method of rice photoperiod insensitive variety breeding

The invention discloses a method of rice photoperiod insensitive variety breeding. Rice materials are respectively planted under a normal condition and a light pollution condition, and the growth periods of the rice materials under the two environment conditions are compared; photoperiod insensitive resources are screened, and varieties with excellent agronomic characters are utilized to hybridizeor backcross and self-cross with photoperiod insensitive materials; and planting and screening are carried out under the light pollution condition, planting is simultaneously performed under the twoconditions after phenotype is stabilized, and the successful breeding of the photoperiod insensitive materials can be indicated when heading dates are the same. Through the method, rice varieties insensitive to light can be bred and well adapt light pollution environments. 本发明公开了一种水稻光周期钝感品种选育的方法，将水稻材料分别种植于正常条件和光污染条件下，比较它们在两个环境条件下的生育期，筛选出光周期钝感资源，进而利用优良农艺性状品种跟光周期钝感材料杂交或回交以及自交，在光污染条件下种植筛选，待表型稳定后同时在两个条件下种植，当两者抽穗期一致时表明光周期钝感新材料选