鲜食蚕豆在大棚内种植,可提早2个月左右上市,效益好,种植面积逐渐扩大,但在大棚小气候条件下,蚕豆的病虫害比露地发生时间更早、更持续、更严重,主要有赤斑病、病毒病、枯萎病、锈病、蚕豆象、蚜虫等,要注意加强防治。蚕豆赤斑病:11月中下旬为发病初期,12月至翌年2月中旬盛发。叶、茎、花受害。叶片染病,初生红褐色小点,后逐渐扩大为红褐色圆形或椭圆形斑,直径2~4毫米,中央赤褐色、 Fresh broad beans planted in greenhouses, can be listed about 2 months early, good efficiency, planting area gradually expanded, but in the microclimate greenhouse conditions, broad bean pests and diseases than the open time earlier, more persistent and more serious, mainly red Blot disease, viral disease, blight, rust, broad bean, aphids, etc., we must pay attention to strengthening prevention and control. Broad bean red spot: late in November for the early onset, December to mid-February the next year Shengfa. Leaves, stems, flowers victims. Leaf disease, newborn reddish brown dots, and then gradually expanded to reddish brown round or oval spots, diameter 2 to 4 mm, central auburn,