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一、选育经过沈农129是以“青系96”的变异株为材料,采用株系循环优中选优法育成的中熟优质水稻新品种.1983年秋在日本藤板农试分场青系96稻田中发现变异株.1985年于沈阳种成株系,秋季从小区号为129的株系中选择18个优株;1986年仍按株系种植,每个株系种500株左右,秋季根据综合性状和产量表现决定选出最优株系129-4,并从该系中选择1OO个优株.1987
First, the breeding Shennong 129 is “Qingxuan96 ” mutant strains as materials, using the system of loop optimization of the law to cultivate the middle-maturing high-quality new rice varieties in the autumn of 1983 in Japan, 18 strains were selected from the lines of 129 in the autumn in autumn, and in 1986, about 500 strains were planted in each strain, In the autumn, the best 129-line was selected based on the comprehensive traits and yield performance, and 1OO excellent lines were selected from the line.