1995年引进美国育成的烤烟新品种K346、RG11，经两年引种试验、区域试验和生产示范，表现产量、产值、均价和上等烟比例均较高；高抗黑胫病、青枯病，抗根结线虫病，中抗赤星病，适应性强，分层落黄好，耐成熟，易烘烤。原烟外观质量好，化学成分协调，评吸香吃味俱佳，和土栽品种K326、NC89相当，适宜作高中档卷烟原料。1997年12月通过全国烟草审定委员会认定，推广种植。 In 1995, the United States introduced a new crop of flue-cured tobacco varieties K346, RG11, after two years of introduction test, regional trials and production demonstrations, performance yield, output value, average price and superior tobacco ratio were higher; anti-black shank, , Root knot nematode disease, resistance to brown spot disease, adaptability, layered yellow good, mature, easy to bake. The original appearance of good quality tobacco, chemical composition of coordination, evaluation of taste good and taste, and native varieties K326, NC89 quite suitable for high profile cigarette raw materials. December 1997 through the National Tobacco Certification Board finds that promotion of planting.