引起植物病害的原因有两个方面,一时非侵染性病原,一是侵染性病原(即病原物,又叫病原生物)。植物病害病原物是指能侵染寄生于植物体并导致侵染性病害发生的生物。了解并识别病原物的类型,有助于对症下药。 The causes of plant diseases have two aspects, temporary non-invasive pathogens, one is infectious pathogens (ie, pathogens, also known as pathogens). Phytopathology A pathogen is an organism that infects plants and causes infectious diseases. Understanding and identifying the types of pathogens helps to remedy the problem.