庆选15号的亲本与西峰9号相同,原系号为636—5—2—1。经多年试验、示范、推广,在旱塬地正常年亩产可达450斤,比甘麦4号等约增产20%;在山旱地亩产多为200斤左右,比当地农家品种增产两成以上;在旱塬地最高亩产为774.5斤,是庆阳中北部山塬区的当家 Celebrate the 15th and Xifeng 9 the same parent, the original number is 636-5-2-1. After many years of experiments, demonstrations and popularization, the average yield per mu in the dry-land highland reaches up to 450 kilograms, about 20% more than that of the No. 4 Gamali. In the mountainous dry land, the yield per mu is about 200 kilos more than that of the local farmhouse varieties, Above; in the highest dry land yield of 774.5 kg, is the central mountain in Qingyang