【摘要】 本文研究了粳型光敏核不育系Ｌａ７００１Ｓ和Ｎｓ５０４７在安庆市（３０°３２’Ｎ）的育性表现。结果表明：在安庆自然温光下，Ｌａ７００１ｓ于９月初以前、Ｎｓ５０４７在８月底以前抽穗均表现稳定不育；用于制种的适宜播期，前者为４月上旬至５月初，后者为４月上旬至４月中下旬。更多还原

【Abstract】 In the paper the fertility expression of japonica photoperiod sensitive genie male sterile lines La 7001s and Ns 5047 is described. Under natural temperature and light conditions in Anqing, when the panicles have exserted before early September for La 7001s, and before the end of August for Ns 6047, their polleds show stable sterility. The seeding date suitable for seed production is from the first ten days of April to early May for the former, and from the first ten days of April to the second or last ten days of April for the latter.更多还原