慈利县位于武陵山脉东部边陲，既有澧阳平原的棉麦区，又有武陵山区的旱地小麦区，常年种麦２０—２５万亩。选择该县作为我省小麦试点和良种扩繁基地，有得天独厚的地域优势和广泛的代表性。本文从湘麦１２号在该县的鉴定、扩繁、示范种植到向全省推广的全过程，探索建立小麦等旱地作物良种繁供体系的科学方法。 Cili County is located in the eastern border of Wuling mountains, both the Mianyang Plain cotton barley area, and the Wuliang mountain area of ​​dry land wheat area, perennial species of wheat 20-25 million mu. Select the county as our province wheat pilot and seed propagation base, a unique geographical advantage and a wide range of representation. This article from Xiangmai 12 in the county’s identification, propagation, demonstration planting to promote the whole process of the province, to explore the establishment of wheat and other dryland crop breeding system of scientific methods.