春季雨水多,湿度大,番茄幼苗容易受猝倒病为害,在根颈部腐烂倒伏死亡。番茄猝倒病发生快,蔓延迅速,成片为害,损失惨重,必须注意防治,以保护幼苗。具体防治技术措施如下:种子和土壤消毒是防治番茄猝倒病的基础。在播种前,要用1500倍神农素螯合肥、5000倍云大—120混合液浸种5—6小时,让种子充分吸湿膨胀后再播 Spring rain and humidity, humidity, tomato seedlings susceptible to damping off damage, the root neck rotting lodging death. Tomato damping-off disease occurs quickly, spread rapidly into pieces damage, heavy losses, we must pay attention to prevention and treatment in order to protect the seedlings. Specific control measures are as follows: Seeds and soil disinfection is the basis for the prevention and treatment of tomato damping-off disease. Before sowing, use 1500 times Shennong chelation fertilizer, 5000 times the cloud of -120 mixture soaking 5-6 hours, let the seeds fully moisture expansion and then broadcast