In order to select quality Maryland tobacco varieties, which were appropriate for planting at Baoshan, the field comparison test of 7 introduced varieties were conducted and their agricultural and economic character, disease resistance were analysized.

• 为筛选出适合云南保山种植并达到优质、适产、抗性好的品种,对7个马里兰烟品种进行了田间比较试验。