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一、近年来陕西省小麦条锈病发生情况1976年秋季,是我省小麦条锈病得到控制十年后又开始发病的一年。该年9月份在太白山区海拔1600公尺的终南公社,发现了越夏菌源,11月中旬在关中秋苗上发病相当严重。省西部的丰产3号、官村1号、咸农68、太山1号等都出现了病叶和发病中心;渭北高塬的长武和泾惠灌区也都采到病叶。虽然病情很严重,但从发病时间看,仍轻于历史上的流行年份。由于秋苗上具备了早期菌源,加之冬季降雪量大,对病菌越冬有利,5月中、下旬除长武、彬县、旬邑、蒲城、白水、合阳和省东的多数县,因受长期干旱影响,发病很轻,或另星发病外,关中西部,出现了条锈
First, in recent years, the occurrence of wheat stripe rust in Shaanxi Province in the fall of 1976, wheat stripe rust control in our province ten years after the onset of the year. In September of that year in Taibai Mountain area at an altitude of 1,600 meters Zhongnong commune found more summer bacteria source, in mid-November Guanzhong autumn seedlings on the incidence is quite serious. In the western province, Fengchan 3, Guancun 1, Xiannong 68 and Tai-shan 1 all showed diseased leaves and disease centers; the Changwu and Jinghui irrigated areas in Weibei highland also took diseased leaves. Although the condition is very serious, but from the onset time, still lighter than the popular years in history. As autumn seedlings have early source of bacteria, combined with heavy snowfall in winter, the bacteria overwinter beneficial, in mid-May, except for Changwu, Binxian, Xunyi, Pucheng, Baishui, Heyang and the eastern counties, Due to long-term droughts, the incidence is very light, or another disease, Guanzhongxi, the emergence of a rust