improved variety

Technique for Propagation and Cultivation of Improved Variety of Ginkgo biloba

银杏良种繁育技术

The tobacco production practices proved that the improved variety had the unreplaceable status and function in the tobacco production developing processes. 6.

烟草生产实践证明，优良品种在烟草生产发展过程中具有其他措施不可替代的地位和作用。

Grafting is a gardening technology, it includes the important theories in the whole surviving process, such as cell dedifferentiation, cell differentiation and so on. The problem without improved variety and inability horticulture are the key step to hinder the development of Carya cathayensis industry.

嫁接是一门园艺技术，其成活过程包含细胞脱分化、再分化等重大理论问题。

A primary investigation is conducted fruiting habit of 14 improved variety clones of Juglans nigra L.

对美国黑核桃14个良种无性系的结果习性进行了初步调查.

Some varieties of G3 and G4 Marshal Apple, New Red-Star, Red Head, and Super-Red, were introduced to the improved variety demonstrative farm in Yanyuan County.

我们于1997年引进了苹果元帅系第三代和第四代的几个品种，即新红星、首红和超红。