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向日葵叶斑病(Setporia helianthi E11 et kell)属于世界流行性病害,据美国报导(1924),该病在明尼苏达成为毁灭性病害,以后在南非(1931年)、德国(1943年)、加拿大(1947年)均有同样的报导。我国最早的文献见于公主岭农事试验场(1942年)的报告,提到东北三省均有此病发生,但未被引起重视。关于向日葵叶斑病的防治方法,据世界主产向日葵的国家资料,都以抗病育种为主要途径。
Setporia helianthi E11 and kell are world epidemic diseases. According to the U.S. report (1924), the disease became a devastating disease in Minnesota and was later eradicated in South Africa (1931), Germany (1943), Canada (1947) Year) have the same report. The earliest literature in our country was found in the report of Gongzhuling Farming Experimental Field (1942), which mentioned that all the diseases were occurring in the three northeastern provinces but was not taken seriously. Sunflower leaf spot on the prevention and treatment methods, according to the world’s main source of sunflower national data, are disease-resistant breeding as the main way.