烤烟优质高产是各项措施综合作用的结果,优质烟叶起始于优质品种,根据品种特性进行栽培烘烤,把良种良法结合起来,才能获得优质高产。烤烟斯佩特G—28品种,是近几年由美国引进经多点试种,表现优质高产的新品种,现作如下简要介绍。供试种参考。引种试种情况斯佩特G—28品种,原系美国从G—139与牛津1—181杂交组合中选出的Speight The high quality and high yield of flue-cured tobacco is the result of the comprehensive effect of various measures. The high-quality tobacco leaves begin with high-quality varieties, cultivate and roast according to the characteristics of the varieties, and combine the good methods of improved varieties with high quality and high yield. Flue-cured tobacco Spet G-28 varieties, introduced in recent years by the United States by the multi-point trial, the performance of high-quality new varieties, are as follows briefly. For test reference. The introduction of test species Spet G-28 varieties, the original United States from G-139 and Oxford 1-181 selected Speight