扬州帮达蔬菜研究所2005年开始进行杂交扁豆的系统选育,以早熟扁豆为母本,地方紫色扁豆为父本,杂交后系统选育4代,选育出了性状稳定、早熟、丰产、商品性好的紫色扁豆新品种红玉。2009～2011年连续3年的品比试验中,表现早熟、丰产、品质好、生长势强,在扬州、淮安、杭州等地进行试验示范,取得了良 Yangzhou Pratt & Whitney Vegetable Research Institute started the systematic breeding of hybrid lentils in 2005. With the parents of early-matured lentils and the local purple lentils as the male parent, the system was bred for 4 generations after the hybridization. Breeding of stable, precocious, Commodity good purple lentils new varieties of red jade. In 2009 ~ 2011 three consecutive years of the ratio test, the performance of early maturity, high yield, good quality, strong growth potential in Yangzhou, Huaian, Hangzhou and other places for experimental demonstration and achieved good