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(一) 威胁本省大小麦油菜增产的主要病害有大小麦赤霉病、锈病、黑穗病,油菜病毒病、菌核病等,这些病害常在本省各地造成不同程度的损失。据省农业厅统计,1958年全省大小麦赤霉病和锈病的发病面积共计323.6万亩,估计损失大小麦9,611万斤;黑穗病发生500余万亩,估计损失大小麦2,700万斤。油菜病毒病1959～1960年田间发病率一般在10～30％,油菜菌核
(A) The main diseases threatening the increase of wheat and oilseed rape in this province include wheat head and stem blight, rust, smut, rape virus disease and sclerotinia, which often cause varying degrees of loss across the province. According to the statistics of the Provincial Department of Agriculture, in 1958, the total area of wheat head blight and rust disease in the province totaled 3.236 million mu, with an estimated 96,611 kilograms of wheat loss and more than 500,000 mu of smut. The estimated loss of wheat and wheat is 27 million kilograms. Rape virus disease 1959 ~ 1960 field incidence is generally 10 to 30%, rape sclerotia