黄瓜霜霉病及其防治

• 作 者: 彭湘松
• 机 构: 洛阳市农科所,
• 出 处: 河南农业科学
• 发表日期: 1986年04期
• 关键词: 黄瓜霜霉病 秋黄瓜 塑料大棚 苦瓜 丝瓜 南瓜 甜瓜 露地栽培 刺瓜 抗性

黄瓜霜霉病是一种分布极广的病害,我省城市郊区发生普遍,尤其是多雨年份,常造成严重减产。露地栽培的黄瓜,以春黄瓜发病最重,夏秋黄瓜发病较轻;在温室里,春黄瓜发病重,晚秋黄瓜和冬黄瓜发病轻;在塑料大棚里。春、秋黄瓜均发病严重。黄瓜霜霉病除危害黄瓜外,也危害甜瓜、丝瓜、南瓜、瓠瓜和苦瓜等瓜类。而西瓜因对此病菌有很强的抗性,很少发病。

Cucumber downy mildew is a very widespread disease, the occurrence of widespread in our province city suburbs, especially the rainy years, often result in serious cuts. Open-cucumber cultivation, the most serious incidence of spring cucumber, summer cucumber less susceptible incidence; in the greenhouse, the incidence of severe spring cucumber, late autumn cucumber and cucumber incidence of light; in the plastic shed. Spring and autumn cucumbers are severely ill. In addition to cucumber cucumber downy mildew, but also endanger melon, sponge gourd, pumpkin, cucumber and bitter melon and other melons. The watermelon due to the bacteria have a strong resistance, rarely disease.