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一、适宜日光温室栽培的杏树品种选择选择原则为:果实成熟早,果个大,色泽艳,品质优,耐贮运。树体成花早,丰产,抗性强,需冷量较低。易管理,综合以上经济性状,结合各地栽培实践,笔者认为如下品种适合日光温室栽培。凯特杏美国品种,1991年山东果研所从美国加利福尼亚大学引进。树势强健,树姿直立,新梢阳面深红色,阴面绿色,有光泽;1年生枝棕红色,多年生枝和主干浅棕色,表面粗糙,皮孔大,叶片大,深绿色近圆形。果实发育期60天左右,果实近圆形,特大。平均单果重73g,最大果重130g。果肉硬溶质,风味酸甜爽口,有香气。果核小,离核,耐贮运。该品种结果早,定植1年生速成苗,当年即可形成花芽,第二年开花
First, suitable for cultivation of sunflower greenhouse apricot variety selection principles are as follows: early maturity of fruit, a large fruit, color Yan, excellent quality, resistance to storage and transportation. Tree early flowering, high yield, strong resistance, cold required lower. Easy to manage, the above economic traits, combined with the practice of cultivation around, I believe that the following varieties suitable for solar greenhouse cultivation. Kate apricot US varieties, in 1991 Shandong Institute of fruit from the University of California introduced. Strong tree vigor, tree posture erect, the new shoots dark red, dark green, shiny; 1 year old branches reddish brown, perennial branches and trunk light brown, rough surface, large lenticels, leaves large, dark green nearly circular. Fruit development period of 60 days, the fruit is nearly circular, extra large. The average fruit weight 73g, the maximum fruit weight 130g. Flesh hard solute, sweet and sour flavor, aroma. Small nuclear, nuclear, resistant to storage and transportation. The results of the early varieties, planting 1-year-old speed seedlings, that year to form flower buds, flowering the following year