---

期 刊 ：植物保护学报 1995年

关键词：烟草；气候斑病；发生规律；防治；

Keywords:tobacco, weather fleck, occurence, control measures,

摘 要 ：１９９０－１９９４年研究结果表明，低温是诱发气候斑病的主要因素，不同品种抗性差异显著，氮钾比失调，偏施碳铵地发病严重，当大面积种植感病品种，寄主处于感病阶段，遇气温突然下降和多雨时，最易流行。在防治上，采取以农业防治为主、化学辅的有效措施。

Abstract:The systematic observations and experiments during 5 years (1990 - 1994)re-vealed that low temperature was the main causal agent of weather fleck of tobacco. More serious weather fleck occured in tobacco fields when the ratio of nitrogen to potassium was

---