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一、选育经过郑州7432花生是我所1974年用徐州68-4作母本,鄂花二号作父本杂交选育而成.这个品种演用组合编号,取名“7432”.选育目标是:高产、质优、早熟、抗病.以企图代替大面积种植的山东伏花生和四川罗江鸡窝.为了加快育种步伐,1974年将0代种子到海南加代,F_1种产收获9株,带回进入F_2.我们发现这个组合在田间植株生长旺盛,花针量大,收获时果多果饱,结荚整齐,群体好,选留36个单株,1976年进入
First, the breeding After Zhengzhou 7432 peanut is my 1974 with Xuzhou 68-4 as the female parent, Ehua II parental hybrid breeding from this variety combination number, named “7432 ”. Breeding objectives are: high yield, high quality, precocity, disease resistance in an attempt to replace the large-scale planting of Shandong peanut and Sichuan Luojiang hen nest.In order to speed up the breeding process, in 1974 0 generations of seeds to Hainan Jiading, F_1 harvest 9 plants, back to F_2 .We found that this combination of plant growth in the field vigorous, large amount of flowers, the harvest fruit full, knot neat, good population, leaving 36 plants selected, entered in 1976