部分烤烟新品种的角斑病抗性调查

Investigation on Resistance to Angular Leaf Spots of Some Flue-cured Tobacco New Varieties

[目的]评价黑龙江部分烤烟新品种的角斑病抗性。[方法]在黑龙江省角斑病常年发病较重的地块调查各个烤烟品种、品系的发病情况。[结果]发现高抗角斑病品种LJ982、0110-52、0631-112、0206-21和0206-41,其中LJ982和0206-21较易烘烤,主要经济性状较好,可在生产上示范应用,其他品种可作为抗病育种材料。[结论]研究结果为促进烟叶的优质高效生产提供了理论依据。

Objective] To research the resistance to angular leaf spots of some flue-cured tobacco new varieties in Heilongjiang Province. [Method] The incidence situation of different flue-cured tobacco varieties and lines was investigated in heavy diseased plot of Heilongjiang Province.[Result] High resistance varieties to angular leaf spots were found out, which were LJ982, 0110-52, 0631-112, 0206-21 and 0206-41.Among them, LJ982 and 0206-21 were easy to be cured and showed good economic characters, which could be used in flue-cured tobacco production.Other varieties could be used as tobacco germplasms of resistance breeding.[Conclusion] This research provides theoreti-cal foundation for the high-quality and high-efficient production of tobacco leaves.