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毛樱桃Prunus tomentosa Thumb 蔷薇科灌木。主要分布在东北和华北。它具有很强的抗寒能力,可以抵抗-38℃的低温,并且具有耐旱、耐瘠薄土壤等特性。其枝条开张,树体矮小,与李树嫁接亲合力强,是用来嫁接李树的优良砧木。1 母树选择和种子采集 选择生长健壮,无病虫害的结果树作为采种树,7月中旬采集充分成熟的果实,采后将果实放入缸或木桶里,保持25～30℃,加水自然发酵5～7天,等果肉腐烂后用木棒搅碎后冲洗,捞去果肉、果皮,将种子洗净放到通风阴凉处晾干,然后入库保存。
Prunus tomentosa Thumb Thumb Rosaceous shrub. Mainly in the northeast and north China. It has strong cold resistance, can resist -38 ℃ low temperature, and has drought-resistant, barren soil and other characteristics. Its branches opened, short trees, grafting affinity with the Li tree, is used to graft the fine rootstock Li. 1 mother tree selection and seed collection Select robust tree growth and disease-free pests as a seed tree, in mid-July to collect fully ripe fruit, after harvest the fruit into the cylinder or barrel to maintain 25 ~ 30 ℃, add water, natural fermentation 5 to 7 days, and other flesh after decay with a stick broken rinsing, fishing to the flesh, peel, the seeds washed into the ventilated shade to dry, and then storage preservation.