前言小麦雨锈病是陕西关中一些地方对本文所研究的小麦病害的俗名.此病使小麦在成熟前突然死去,不结实、少结实或结实不饱满,穗部略带褐红色,似铁在雨天里生锈的颜色而得名。在红穗品种上,红的颜色更浓些,如平凉1号、平凉2号、平凉21号等,因此在平凉地区被称为“红穗病”。因为病穗颖壳和芒的一部略有暗绿色,使整穗发暗,有些地方又叫黑穗子病或睄穗。 Preface Wheat rain rust is the common name for wheat diseases studied in this article in some places in Guanzhong, Shaanxi Province. The disease caused the sudden death of wheat before maturity, less fruiting, less robust or incompletely fruited, panicle slightly brownish red, Named after the rusty colors. In Hong Sui varieties, the red color is more concentrated, such as Pingliang 1, Pingliang 2, Pingliang 21, etc., so in Pingliang area is called “hay fever.” Because of a panicle Ying and shell a little dark green, so that the entire dark hair, in some places called black head disease or spike ear.