tobacconizevi.用烟叶熏tobaccon.烟草tobacco/adverse effects烟草/副作用tobacco machine enterprise烟机企业Tobacco yellow dwarf virus烟草黄矮病毒tobacco suspension culture烟草悬浮细胞tobacco germplasm resource烤烟品种资源tobacco plantlets in vitro烟草试管苗Tobacco mosaic virus group烟草花叶病毒组tobacco manufacturing plant烟草制造厂Tobacco dependence syndrome烟草依赖综合征Tobacco ring spot nepovirus烟草环斑线虫传多角体病毒