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利用4.9×10~(11)n/cm~2中子处理抗病毒病感灰斑病晚熟丰产大豆合交8069 F_4混系,获得了抗灰斑病兼抗病毒病中熟丰产大豆新品种合丰33号。研究表明,中子辐射可诱发大豆灰斑病抗性突变,获得抗灰斑病新种质;辐射育种与杂交育种相结合,是选育大豆抗灰斑病兼抗病毒病品种的有效途径。
Using 4.9 × 10 ~ (11) n / cm ~ 2 neutron to treat the late-maturity and high yield soybean with 8069 F_4 mixed resistance of gray leaf spot, the new variety with high yield and resistance to gray leaf spot and antivirus was obtained Feng 33. Studies have shown that neutron radiation can induce the resistance mutation of soybean gray leaf spot and obtain the new germplasm with resistance to gray-leaf spot. The combination of radiation breeding and cross breeding is an effective way to breed anti-gray spot and anti-virus disease in soybean.