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两个粳型光敏系的育性转换期观察及其应用初探 被引量:4

Observations on Fertility Transformation Period of Two Japonica Photoperiod Sensitive Genic Male sterile Lines and Their Utilization
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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。 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.
出处 《杂交水稻》 CSCD 北大核心 1990年第4期33-36,共4页 Hybrid Rice
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