黑龙江省早春野生花卉种质资源引种观察

Germplasm Resources of Early Spring Wild Flowers and Plants in Heilongjiang Province

引种驯化栽培早春野生花卉 2 9种 ,其中木本 14种 ,草本 15种。主要特点是耐寒性强 ,休眠期能耐 - 4 0℃低温 ,幼芽萌动期耐 - 10～ - 15℃ ,花期耐 0～ - 8℃ ,甚至花朵可迎雪盛开 ,寒冻红果不落。这些早春野生花卉从 3月中旬开始陆续进入花期 ,花型多样 ,花色丰富 ,可作为城市、农村绿化的主体材料。

There are plenty species of wild flowers and plants which are early blossoming and cold resistant.We have found 29 species after primary investigation,14 species of woody plants and 15 species of herb,belonging to 11 families.The main characters of them are cold resistant strongly,early blossoming and great ornamental value.In dormant period,they can survive at -40℃;In young shoot period,they can forbear -10℃ to -15℃ and in flower period it is 0℃ to -8℃.They start to step into blossoming period in succession in the middle ten days of March.These wild flowers and plants are main resources to make cities and countries green in north region,not only having great ornamental value,but also some species among them can be developed and utilized as wild fruit tree resources of cold resistant.