1990年濮阳市小麦条锈病大流行,全市种植小麦275万亩,发生条锈病203.1万亩,其中病株率100％,严重度50—80％的重病田47万亩,病株率80％左右,严重度20—50％的约125万亩。发生特点是:来势猛、流行快、范围广、危害重。4月下旬只个别麦田极少叶片发生,5月10日前后则全面大流行,高感品种全田普遍发病,以旗叶最重,从上往下发展,数日内叶片由黄变枯,形成40年来罕见的严重灾害。 In 1990, Puyang City wheat stripe rust pandemic, the city’s 275 million mu of wheat planted, stripping rust 203.1 million mu, of which 100% of diseased plants, the severity of 50-80% of 470000 acres of serious disease, diseased plants rate of about 80% , The severity of about 20-50% of about 125 acres. Occurred characteristics are: the trend fierce, popular fast, wide range, endanger heavy. In late April only a few leaves of wheat fields rarely occurred. On May 10, there was a general pandemic. Most susceptible cultivars were commonly found in the whole field. With the heaviest flag leaves, the leaves developed from top to bottom and the leaves became yellowish to dry within a few days 40 years of rare serious disaster.