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一前言小麦条锈病在陕甘冬麦区是一个较常发生的重要病害。在碧玛一号小麦未推广以前,根据西北农学院实习农场历年的田间观察,自1942年以来,42·46·48、49、50年均大发生过;甘肃省平凉农业试验区站的历年观察自1946年以来,46、48、49、50、52年也曾严重发生过。由于它特具的能在大范围内流行的特点,因此是小麦生产上的一个不可忽视的问题。碧玛一号小麦原为抗病品种(1951年开始
A preface Wheat stripe rust in Shaanxi, Gansu and winter wheat area is a more common occurrence of important diseases. Before the introduction of the “Pima No.1” wheat, historical observations of the internship farms in Northwest Agricultural College over the past years showed that 42.46-48,49,50 years had occurred since 1942; and that of the Pingliang Agricultural Experimental Zone in Gansu Province Observations since 1946, 46, 48, 49, 50, 52 years have also been serious. Because of its peculiar ability to popularize in a wide range, it is an indispensable problem in wheat production. Bismarck wheat was originally a disease-resistant varieties (1951 start