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新疆独特的光热条件，非常有利于加工番茄的色素及可溶性固形物合成，栽培面积逐年增多。玛纳斯县是加工番茄栽培大县，效益较好，许多农户连年种植，出现倒茬困难，病害增多。其中黑胜早疫病近年来发生较为普遍。轻者减产20～30％，重者减产50％以上。一、病株症状感染黑胜早?
Xinjiang unique light and heat conditions, is very conducive to the processing of tomato pigments and soluble solids synthesis, cultivation area increased year by year. Manasi County is a large tomato processing county, the benefit is better, many farmers planted year after year, appeared stubble, disease increased. Among them, Heilongjiang early blight occurred more frequently in recent years. Light reduction of 20 to 30%, severe reduction of more than 50%. First, the sick strain infection black wins early?