选用优质良种是提高烟叶质量的内在因素,是烤烟优质稳产的基础。近年来,许昌地区围绕烤烟生产主攻质量的方向,通过引种、品种对比试验和大面积的试种,表现质优稳产、抗病抗灾力较强的优良品种有以下几个: 斯佩特G—140 “G—140”是从美国引入的新品种, Selection of high-quality seeds is to improve the quality of tobacco internal factors, is the basis for high-quality and stable production of tobacco. In recent years, Xuchang around the main focus of tobacco production quality direction, through the introduction of species comparison test and a large area of ​​trial, the performance of high quality and stability, strong resistance to disease and strong varieties have the following: Spit G- 140 “G-140” is a new variety introduced from the United States,