Introduction of Plant pathology:

 Definitions:

                      "The branch of agriculture that deals with the study of plant diseases is known as plant pathology.

Objectives of Plant pathology:

  

 •It helps to study the living, non-living, and environmental causes of plant diseases.

 •It helps to study the relationship between the host and parasites.

 •It helps to study the mechanism of disease development in plants.

 •It helps in the management of plant diseases.

 

Causes of Plant disease:

   

1#Abiotic factors:

    •light    •moisture  •Aeration

    • Atmospheric disturbance 

    • Soil disturbance etc

2# Meso-biotic factors:

   •Viruses

   •Viroids

3# Biotic factors:

      >>Nematodes

      >>Fungi

      >>Bacteria

      >>Algae

      >>Protozoa etc.

               Thank you 💖