In this article we will discuss about the forecasting of plant diseases. Forecasting of plant diseases is predicting the occurrence of disease in an epiphytotic form in a particular area. Plant diseases vary in incidence from season to season due to differences in the nature and amount of inoculum, environmental conditions, numbers and activity of vectors, and other factors which [...]
In this article we will discuss about:- 1. Aspects of Plant Diseases 2. Dissemination 3. Epidemiology. Aspects of Plant Diseases: The Development of a Plant Disease is dependent upon three aspects: (i) A susceptible host, (ii) A virulent pathogen, and (iii) A favourable environment of sufficient duration to allow infection by pathogen and subsequent development of the disease. As such, [...]
In this article we will discuss about:- 1. Symptoms of Downy Mildew of Pea 2. Causal Organism of Downy Mildew of Pea 3. Disease Cycle 4. Control. Symptoms of Downy Mildew of Pea: Yellow to brown scattered patches of discoloured areas appear on the upper surface of the leaflets and stipules. Simultaneously with this, downy growth in patches of variable [...]