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临清市2003年种植青椒2330hm2,由于疫病大流行,造成严重减产和经济损失。一般田块病株率50%~70%,造成1167hm2绝产,约占种植面积的50%。病害之所以严重流行,主要是2003年特别适宜病害的气候条件和不良栽培管理措施造成的。1发生特点1.1病情发展快,发生严重疫病是青椒的主要病害
Linqing City in 2003 planted 2330hm2 green peppers, due to epidemic pandemic, causing serious cuts and economic losses. The general rate of field plant disease 50% to 70%, resulting in 1167hm2 perish, accounting for about 50% of the acreage. The serious epidemic of diseases is mainly caused by the climatic conditions and poor cultivation management measures that were particularly suitable for the disease in 2003. 1 Occurrences 1.1 The rapid development of the disease, a serious disease is the main disease of green peppers