In this article we will discuss about the rust of linseed caused by basidiorycetes. Host: Linum Usitatissimum. Pathogen: Melampsora Lini. Introduction to the Rust of Linseed: Rust of linseed is a common disease of flax growing areas of the world. In India flax is a major oilseed crop cultivated in almost all the states. The crop is generally cultivated during [...]
In this article we will discuss about the citrus canker disease caused by bacteria. Host: Citrus sp. Pathogen: Xanthomonas sp. Introduction to the Citrus Canker Disease: Citrus Canker is a bacterial disease of worldwide distribution occurring wherever citrus is grown. It is a serious menace to our most valued citrus orchards causing objectionable blemishes on the fruit. The disease causes [...]
The following points highlight the three main stages of host pathogen relationship. The stages are: 1. Pre-Penetration Stage 2. Penetration Stage 3. Post-Penetration Stage. 1. Pre-Penetration Stage: During pre-penetration stage the pathogen (inoculum) on arrival on the host surface interacts sharply with the surrounding environment and host itself. The enÂvironment which is an aggregate of all external conditions including temperature, [...]