俄罗斯紫叶李生物学特性：植物抗寒，抗赤斑病，萌芽力强，发芽率为90.4，分枝中等，分枝率28.7。哈尔滨地区四月四日中旬花芽结束，芽叶裂，5月初开花，花期5 ~ 7天；同时，展叶，呈现鲜艳的紫红色。8个月果实开始成熟，只有一棵树体在叶片10月叶下部全生长季节短的绿色。环境适应性强，对土壤要求不严。

      Russian purple Ye Li biological characteristics: plant cold resistance, resistance to red spot, germination power, germination rate is 90.4, moderate branch, branch rate is 28.7. End of Harbin region in the middle of April 4 flower bud, bud leaf, flower in early may, flowering 5 ~ 7 days; At the same time, lamina, present bright purple. 8 months fruit mature, only a tree body at the bottom of the blade in October the whole growing season short green. Environmental adaptability is strong, relaxed on the soil

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