晒烟雄性不育杂交种龙杂烟2号是黑龙江省农业科学院牡丹江分院晒烟育种研究室于2002年以MS穆棱护脖香为母本,以牡晒93-4-5为父本组配育成。2009年9月2日通过黑龙江省农作物品种审定委员会审定并定名推广。该杂交种植株为橄榄形,株型收敛、茎叶角度小,叶形宽椭圆,大田生育期84 d左右,属中熟品种。幼苗及大田生长势强,烟叶成熟较集中。原烟外观质量优良,色泽红黄,油分足,弹性好。高抗赤星病和普通花叶病。多年多点试验结果表明:平均产量为2 977.1 kg.hm-2,比对照品种增产12.8%。 Sunzhong smoke male sterile hybrid Longzhaoyan 2 is the Mudanjiang Branch of Heilongjiang Academy of Agricultural Sciences sunburn breeding laboratory in 2002 to MS Mulun neck collar as the female parent to the sun-93-4-5 as the parent group Bred into. September 2, 2009 through Heilongjiang Province Crop Variety Approval Committee validated and naming promotion. The hybrid plants are olive-shaped, the plant type converges, stems and leaves angle is small, leaf-shaped broad oval, field growth period of about 84 d, is a medium-maturing varieties. Seedling and field growth strong, more mature tobacco leaves. The original appearance of good quality tobacco, red and yellow color, oil enough, good elasticity. High resistance to brown spot disease and ordinary mosaic disease. The results of multi-year trial showed that the average yield was 2 977.1 kg.hm-2, which was 12.8% more than the control.