关键词: 长6878, 长6878, 旱地小麦, 高产, 抗逆性, 经济效益

Abstract: In order to create new soybean variety and discuss breeding technique, the new soybean variety Hefeng 50 is bred through backcrossing, the male parent is Hefeng 35, and the female parent is Hejiao95-1101 (Hefeng34×Hefeng35). Hefeng 50 has good character of high-oil, high-yield, and high resistance to soybean disease. The oil content is 22.57%, and the protein content is 37.41. The average yield of area test is 2506.1kg/hm2 in Heilongjiang province, the yield increased 14.1% than the compare variety Hefeng 35. The average yield of product test is 2560.8kg/hm2 in Heilongjiang province, the yield increased 17.4% than the compare variety Hefeng 35. The average yield of china northern spring soybean area test is 3355.5kg/hm2 , the yield increased 10.3% than the compare variety Suinong 14. The average yield of china northern spring soybean product test is 2788.5kg/hm2, the yield increased 6.3% than the compare variety Suinong 14. This variety is resistant to three main soybean diseases, it is examined and approved by Heilongjiang province agricultural crop committee in 2006. At the same time, it applied for nation examining and approving variety. The results showed that Hefeng 50 was a new soybean variety with high-oil and high-yield and resistant-diseases and wide-adaptability.