关键词: 烤烟, 烤烟, 种质资源, 生育期, 经济性状, 抗病性

Abstract: Tea tree perennial industrial crops, from elect one fine form to in great numbers to breed new variety, at least several decades, it takes more than 20 years at most. In order to shorten the service life of breeding, accelerate breeding paces, improve breeding efficiency, the collection mainly from the primitive material of systematic seed selection of this text, select the combination in great numbers, garden of a test of walking, taste than experimental garden and pick ear of grain maternal garden set up until area test, demonstration popularization, improved variety declare odd of combining together etc. discuss how to shorten the service life of breeding in step, improve breeding efficiency.