In this article we will discuss about the general symptoms of plant diseases. The changes in the host plant which serve to recognise the disease are called the signs and symptoms of the disease. The sign of a disease is the external appearance of some portion of the pathogen of the host. It may be some portion of the [...]
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 [...]