大豆主要病害双抗种质鉴定初报

2002—2003年采用人工接种与田间试验相结合方法,对黑龙江省新品种(品系)及一些国内外种质资源 进行灰斑病、疫霉病、镰刀菌根腐病、大豆花叶病毒病进行鉴定筛选,从中鉴定出3份抗灰斑病、疫霉病的双抗资 源,龙品8802、HR41和钢9491 - 2; 3份抗根腐病、疫霉病的双抗资源,抗线2号、邓恩和大粒黄; 2份抗病毒病、灰斑 病的双抗资源,合丰44号和合丰45号。同时鉴定出一大批单抗种质。并建立了比较全面的抗性调查评价体系。

Primary report on the identification of double-resistance germplasm to main soybean diseases

Through combining artificial inoculation and field experiments from 2002 to 2003 with new varieties of Heilongjiang province and other germplasm,three double-resistance germplasm resistant to Frogeye leafspot and Phytophthora were identified,namely Longpin 8802,HR41,Gang 9491-2.Three double-resistance germplasm resistant to Fusarum root rot and Phytophthora.They are Kangxian 2,Dengen,Dalihuang.Hefeng 44,Hefeng 45 were found to be double-resistant to Frogeye leafspot and Soybean Mosaic Virus.At the same time,many other single-resistant germplasms were identified.The investigating and evaluating was also established system of soybean diseases resistance.