苗木立枯病也称淬倒病,是苗圃中常见的一种病害,病害流行常常缺苗断垄,成片死亡。 一、症状 苗木立枯病按其发病的时期和症状,主要表现为三种类型。 1.土中腐烂型:种子或幼苗在未出土前即遭到病菌的侵染而腐烂,在苗床上表现为成片缺苗。这种类型常发生在土壤潮湿、低温、播种较 Seedling blight also known as quenching the disease, nursery is a common disease, disease often lack of seedlings break ridge, into pieces of death. First, the symptoms of seedling blight by the onset of the disease and symptoms, mainly for the three types. 1. Soil decay type: seeds or seedlings in the unearthed before being infected with bacteria and rot, in the performance of seedlings into pieces of missing seedlings. This type often occurs in the soil moist, low temperature, sowing more