宝应县安宜镇十多年来推广了大棚栽培草莓的反季节种植模式,常年种植面积6．67hm2,200个钢架大棚。从种植情况来看,草莓反季节栽培的效益是显著的,单产草莓37500ks／hm2,纯效益达1．2×105元／hm2。由于连年种植,草莓白粉病逐年加重,已成为常发性病害．草莓发生白粉病后,一般减收20％～30％,重的达50％以上,甚至绝收,严重 Anyi town, Baoying County, more than a decade to promote greenhouse cultivation of strawberry season planting mode, perennial planting area of ​​6.67hm2, 200 steel shed. From the planting situation, the benefits of strawberry cultivation in season is significant, the yield of strawberries 37500ks / hm2, the net benefit of 1.2 × 105 yuan / hm2. As successive years of planting, strawberry powdery mildew year after year, has become a common disease. Strawberry powdery mildew occurs, the general reduction of 20% to 30%, heavy up to 50% or more, even absolute, serious