短枝型国光母树于1974年由山东掖县果树站在郭家店果园发现,1985年通过省级技术鉴定.1987、88年我们引进其成品苗6540株、以烟青为授粉树定植于贺兰山东麓洪积扇边缘的石嘴山市林业局的新垦果园,现将引种情况报道如下.果园面积200亩,位于沙丘地带,细沙层厚40～60厘米,层下为淡灰钙土.株行距4×4、4×5米. Spur-type Guoguang tree in 1974 by the Shandong Yexian fruit trees standing in the Guojiadian Orchard found in 1985 through provincial-level technical appraisal. 1987, 88 we introduced 6540 of its finished seedlings to tobacco green for the pollination of trees planted in Helan Shiluoshan City, Shandong Province, the edge of the alluvial fan Shizuishan Forestry Bureau of the new Ken Orchard, the introduction of the introduction is now reported as follows.Orchard area of ​​200 acres, is located in sand dunes, fine sand layer thickness of 40 to 60 cm, the layer is light gray soil. Line spacing 4 × 4, 4 × 5 meters.