为改变目前状况和推进湖南省梨产业结构的合理化，中南林学院“绿之梦”果园和永州“金地”公司分别引进了一批砂梨品种，其中包括部分日韩品种。
With the aims of changing recent situation and of promoting a rationalization of the pear industry in Hunan Province, a passel of sandy pear varieti.
对南方砂梨12个品种不同的授粉组合进行测交。
The pollination combinations of 12 sand-pear cultivars of southern China were tested for pollination efficiency in this experiment.
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