成都市2009年小麦条锈病特重发生的气象特征

本文从小麦条锈病浸染、繁殖、流行的气象特征角度，分析了2009年成都市在小麦条锈病生物环境存在的背景下，小麦条锈病特重发生的原因：秋季温适湿重、冬季温暖露重、春季暖和多雨。初步总结出条锈病爆发流行的定量指标：在条锈病流行期内日平均气温≥10℃时，雨日（≥0．5mm）达到10天有利于爆发，该结论可为成都市小麦条锈病的预报和防治提供科学的参考。

The Meteorological Characteristics of Wheat Stripe Rust Outbreak in Chengdu in 2009

From the perspective of the weather patterns of wheat stripe rust＇ s infection, proliferation and spreading, this article analyses the causes of a severe outbreak of this disease in Chengdu area in 2009. These eauses include： a mild and moist autumn, a warm and dew - rich winter and a temperate and rainy spring. The initial summary of the required weather condition for the outbreak of wheat strip rust arc as follows： temperature ≥ 10℃ ,precipitation ≥0.5mm for more than 10 days straight. When these conditions are met, wheat strip rust infection is easily induced. This article can be a good scientific reference in preventing and forecasting wheat strip rust outbreaks in Chengdu area.