If you ever see a white coating on your lawn, like someone has sprinkled talc or flour all over the grass, then it might be suffering from powdery mildew. Powdery mildew on lawns is a fairly ...

白粉病（Powdery mildew） 现在正是瓜果类植物生长季节，常见的白粉病也跟着出现。 白粉病高发的气温在20-30度，湿度在60-80%之间。目前的天气正适合 ...

Powdery Mildew (PM) is a fungal leaf disease caused by Blumeria graminis , which can reduce grain yield and quality in cereal crops. B. graminis species can be subdivided into Formae specialis groups ...