沙棘(Hipophae rhamnoides L.)属胡颓子科沙棘属,为落叶小乔木或灌木。陇东地区的沙棘果每100毫升果汁所含维生素C高达900—1100mg,氨基酸多达18种,为高级饮料的最佳原料。其种子含油25％,亦甚为名贵。因此,沙棘已由薪柴变成了具有特殊经济价值的树种,并由野生林逐渐向人工林发展。沙棘属于雌雄异株植物,若由实生苗繁殖,其雌雄株比例难以合理,一般亩产仅75— Seabuckthorn (Hipophae rhamnoides L.) is an Elaeagnus Seabuckthorn, deciduous trees or shrubs. Longdong area of ​​sea buckthorn per 100 ml of fruit juice contains vitamin C up to 900-1100mg, up to 18 amino acids, the best raw materials for advanced drinks. Its seed oil 25%, is also very expensive. Therefore, the seabuckthorn has become a tree species with special economic value from firewood and gradually developed from wild forest to plantation. Seabuckthorn belongs to dioecious plants, if the reproduction by the seedlings, the proportion of male and female plants is difficult to rational, generally only 75-