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黄河三角洲地区属暖温带季风气候 ,四季分明 ,适多种作物生长。近几年随着产业结构调整 ,保护地蔬菜栽培面积稳步扩大 ,尤以日光温室黄瓜面积为最大。但在生产过程中 ,黄瓜病害越来越突出 ,成为制约土地产出 ,提高收入的主要障碍。1 病害发生危害情况黄河三角洲地区日光温室黄
The Yellow River Delta region is a warm temperate monsoon climate, four distinct seasons, a variety of crop growth. In recent years, with the adjustment of industrial structure, the area of vegetable cultivation in protected areas has steadily expanded, especially in the greenhouse area of cucumbers. However, in the production process, the disease of cucumber is becoming more and more prominent, becoming a major obstacle to restricting land output and raising income. 1 Harmfulness of the Yellow River Delta region greenhouse yellow