Genetic Analysis of Resistance to Soybean Cyst Nematode (SCN) Race 3 in Soybean Germplasm Wuzhaiheidou
Soybean cyst nematode (SCN) race 3 is widely distributed and severely harmed soybean yield in the main soybean producing area of northeastern of China.Wuzhaiheidou can resist 7 races containing SCN races 3.In this study,genetic resistance of soybean germplasm to SCN race 3 was studied with the populations of F2 and F3 lines in crosses of Hefeng 35 and Wuzhaiheidou.The results showed that the separation ratio of Wuzhaiheidou resistance to SCN race 3 was 1 ∶ 3 in according with Mendel laws.It was cleared that the resistance of Wuzhaiheidou to SCN races 3 was controlled by one recessive gene.
WuzhaiheidouSoybean Cyst NematodeRace 3Genetic analysis of resistance