沙棘引种的三个试验阶段

从俄罗斯等国引进优良沙棘品种,应开展初选试验、区域性试验、生产性试验三个阶段的工作,从中筛选出适合我国"三北"地区的优良沙棘品种,才能进行这些品种的推广应用。沙棘引种工作不能一蹴而就,要做好打持久战的准备。不过为了节省引种时间,三个阶段可以交叉试验,滚动发展。

On Three Test Stages for Seabuckthorn Introduction

Only the work for seabuckthorn introduction from Russia and other countries carry out through three important stages like primary test, regional test and productive test, should the good seabuckthorn cultivars be selected adapting the Three-North area of China as well as the implementing of those ones in the area. As the introduction couldn; t be finished in one year, more years＇ hard work must be expected. For shortening the periods of the introduction, the three stages can be implemented as crisscross period to get the good cultivars as soon as possible.