In this article we will discuss about the structural and biochemical defense mechanisms in plants I. Structural Defense: In plants some structures are already present to defend the attack while in others, the structures to defend the host develops after the infection. In this way, structural defense can be characterised as (A) Preexisting defense structures and (B) Defense structures developed [...]
In this article we will discuss about the wart disease of potato caused by fungi. Introduction to the Wart Disease of Potato: The disease, wart disease of potato also known as Black wart of potato, was first described in 1895 from Hungary. Since then it has been reported from the regions of temperate climate like Europe, North America, mountainous areas [...]
In this article we will discuss about the sandal spike disease caused by mycoplasma. Subject-Matter of Sandal Spike Disease: The disease was first reported from Coorg distinct of Karnataka State in 1903 by Barban. The disease was first thought to be caused by Viruses but in 1969, Varma et al reported that Mycoplasma like organism is the causal organism. The [...]