近年来,设施蔬菜栽培面积不断扩大,已成为农业稳定发展的新亮点,然而设施大棚的密闭性和单一作物连作引起的土传病害频繁暴发,严重制约了蔬菜产业的可持续发展。以徐州市铜山区棠张镇为例,以往采用番茄和黄瓜等轮作种植,给当地带来较好的经济效益。但是这几年,70%以上的设施蔬菜田块发生土传病害,主要以枯萎病、青枯病为主。当地农户反映传统的化学农药防治效果不佳,且容易造成的环境污 In recent years, the growing area of ​​vegetable cultivation in facilities has become a new bright spot in the steady development of agriculture. However, the airtightness of greenhouses and the soil-borne diseases caused by single crop continuous cropping up have severely restricted the sustainable development of vegetable industry. Take Tangzhang Town, Tongshan District, Xuzhou City as an example. In the past, planting crops such as tomatoes and cucumbers brought better economic benefits to the local people. However, in recent years, soil-borne diseases have occurred in more than 70% of the vegetable plots in facilities, mainly wilt and bacterial wilt. Local farmers reflect the traditional chemical pesticide control ineffective, and easily lead to environmental pollution