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庄浪县位于甘肃东部,六盘山西麓,是全国梯田第一县,也是典型的农业大县。马铃薯作为全县特色支柱产业之一,历年种植面积在25万亩以上,年产量超过30万吨,在全县粮食生产、农民增收中占有重要地位,而晚疫病是当前马铃薯生产上最主要的病害,其分布广、流行快、危害重、损失大,近年来在全县连年发生较重,年产量损失达5万吨以上,成为制约马铃薯产业发展的重要因素。为此,
Located in the eastern part of Gansu and the western foot of Liupanshan, Zhuanglang County is the first county in China and also a typical agricultural county. As one of the characteristic pillar industries in this county, the annual planting area of the potato is more than 250,000 mu and the annual output is over 300,000 tons. The potato occupies an important position in grain production and peasants’ income increase in the whole county. Late blight is the most important potato production Diseases, which are widely distributed, epidemic fast, serious harm, loss, in recent years in the county occurred heavier, the annual loss of more than 50000 tons, has become an important factor restricting the development of the potato industry. to this end,