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到目前为止,在文献中还未见过关于研究冬油菜品种间杂种的杂种优势方面的材料。从1965年起在全苏油料作物科学研究所研究了这个问题,目的是为了确定冬油菜育种中利用杂种优势的前途。因此,根据最重要的经济价值特性,研究了品种间杂种的杂种优势特性及其表现程度。材料和方法:杂交种子是从全苏油料作物研究所试验地的隔离室里,用人工去雄和强制授粉的情况下获得的。从45个苏联品种和国外品种中,选择10个品种参加轮配,其余的品种是成对杂交。1967年测定了112个杂交组合的杂种第一代,1968年测定了15个组合的杂种第一代和第二代。杂种小区同亲本品种和标准品种Немерчанский 2268相邻,按照标准品种、母本、子代、父本次序排列。试验重复三次。采用50×25厘米穴播,每穴留二株。小区单行区,面积3平方米。测定
To date, no literature has been published on the study of the heterosis of hybrids between winter rape cultivars. This issue was studied at the Institute of Oil Crop Sciences, Soochow since 1965 in order to determine the future of hybrid heterosis utilization in winter rapeseed breeding. Therefore, based on the most important economic value characteristics, the heterosis characteristics and the degree of performance of the hybrids were studied. MATERIALS AND METHODS: Hybrid seeds were obtained from artificially emasculated and forced pollination in a quarantined room at the All-Sud Institute of Oil Crops. From 45 varieties of the Soviet Union and foreign varieties, choose 10 varieties to participate in the rotation, the rest of the species is a pair of hybrids. The first generation of hybrids of 112 hybrid combinations was determined in 1967 and the first and second generation of hybrids of 15 combinations were determined in 1968. Hybrid district with the parental varieties and standard varieties Немерчанский 2268 adjacent, according to the standard breed, female, offspring, paternal order. The experiment is repeated three times. Using 50 × 25 cm hole broadcast, leaving two per hole. District single area, an area of 3 square meters. Determination