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Non-invasive diseases: Caused by abiotic pathogens. Non-biological pathogens include a variety of unfavorable environmental conditions such as: drought, blisters, sunburn, freezing, malnutrition, salinity, and the like. This kind of disease can not be transmitted to each other, nor does it show illness. Therefore, it is also called a physiological disease. For example: leaf yellowing caused by iron deficiency; lobular disease caused by zinc deficiency.
The plant disease rapid diagnosis instrument is a professional instrument for detecting plant viruses. It can rapidly diagnose various viruses and bacteria in crops, thus providing a scientific basis for plant diseases.
Infectious diseases: Diseases caused by biological pathogens parasitic on plants. Caused by biological pathogens parasitic on plants, these parasites are called pathogens, and parasitized plants are called hosts. Pathogens are mainly fungi, bacteria, mycoplasma, viruses, nematodes, and parasitic seed plants. Except for parasitic seed plants, the vast majority are microbes. Diseases caused by pathogen infestation can spread in the field, spread, and spread, and are also called infectious diseases.