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合丰46号是黑龙江省农科院合江农科所1992年以合丰35号为母本,公交84112-1-3为父本有性杂交,并于F2代辐射诱变育成,2003年经黑龙江省农作物品种审定委员会审定推广。该品种具有高产、早熟、优质、抗病性强等优点;对其育种方法研究表明,辐射诱变不但对提早熟期和诱发抗病突变体有作用而且对提高大豆油分也有一定的作用;辐射育种与杂交育种相结合是选育早熟、高产、高油、抗病大豆新品种的有效途径。
Hefeng No. 46 Heilongjiang Academy of Agricultural Sciences Hejiang Agricultural Science Institute in 1992 to Hefeng No. 35 as the female parent, bus 84112-1-3 as the male parent sexual hybridization, and in the F2 generation induced by radiation, 2003 Heilongjiang Crop Variety Approval Committee approved the promotion. The variety has the advantages of high yield, precocity, high quality and strong disease resistance. Studies on its breeding methods show that radiation mutagenesis not only plays an important role in early ripening and inducing disease-resistant mutants but also improves soybean oil fraction. The combination of radiation breeding and crossbreeding is an effective way to breed new varieties of early maturity, high yield, high oil and disease resistance.