由于棚室保护地环境的特殊性，棚室栽培的菠菜比较容易发生生理性病害．主要有以下几种：一、百花叶症状：菠莱叶片从新叶开始失绿，出现白色坏死组织．产生原因：缺锰。一般棚室菜地，多为酸性土壤，很少发生绝对缺锰现象．常见的原因一是保护地的土壤盐分浓度过高，影响了锰 Due to the particularity of greenhouses, the spinach cultivated in greenhouses is more prone to physiological diseases. Mainly the following: First, the symptoms of one hundred mosaic: spinach leaves from the new leaves began to green, there white necrosis. Causes: lack of manganese. Greenhouse vegetable garden, mostly acidic soil, rarely occur absolutely lack of manganese phenomenon. One of the common reasons is that the soil salt concentration in the protected area is too high, affecting manganese