Faculty of Agriculture, Agriculture and Forestry University (AFU), Chitwan, Nepal
Review Article
Effects of Environmental Factors on Crop Diseases Development
Author(s): Binod Pokhrel*
Environmental factors are triggering simultaneous effects on the disease incidence and severity of crop diseases
in agriculture. These both aspects are affected by various environmental factors viz. temperature, soil moisture,
humidity, light, soil properties (pH and nutrients) and atmospheric carbon dioxide. The effect of environmental
constraints on host and pathogen has positive, negative or neutral effects on crop disease incidence. Sometimes sole
factor is responsible for profused disease incidence. On the other hand, interaction of various environmental factors
causes huge intensity of diseases. Crop disease is the result of three way interaction between susceptible host, virulent
pathogen and favourable environment. Elevated CO2 concentration and increased temperature influence the plant
disease interaction. This review article focuses the.. View more»