In this article we will discuss about the wilt of arhar caused by deuteromycetes. Host: Cajanus Cajan Pathogen: Fusarium oxysporum f.udum Introduction to the Wilt of Arhar: The wilt disease of arhar is a most severe threat to the arhar producing states in the country such as U.P., M.P., Bihar and in parts of Bombay. Symptoms of Wilt Disease: The [...]
In this article we will discuss about the little leaf of brinjal caused by mycoplasma. Symptoms of Little Leaf Disease: The main symptom of the disease is the production of very short leaves by affected plant. The petioles are so much reduced in size that leaves appear sticking to the stem. Such leaves are narrow, soft, smooth and yellowish in [...]
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 [...]