In this article we will discuss about the defence mechanisms of host. Interaction between host and pathogen is a complicated process during which dis-balance host metabolic processes and formation of defence chemicals — phenolic substances take place. With the help of defence chemicals the host tries to repel the attack of the pathogen. These chemicals are not only active against [...]
The below mentioned article provides notes on plant pathology. Plant pathology is a branch of botany. It deals with the diseases of plants, helps to maintain good health of plants, and also take proper steps to increase the productivity. Plant diseases caused disasters like famine in Ireland (1845- 1846) and Bengal (1943) by late blight disease of potato (C.O. Phytophthora [...]
In this article we will discuss about:- 1. Meaning of Integrated Plant Disease Management 2. Procedure of Integrated Plant Disease Management 3. Programmes. Meaning of Integrated Plant Disease Management: In a disease pyramid, three principal components are considered. These are host, pathogen, and the environment. All the three components act together during disease development. Thus, to protect a plant from [...]