The following points highlight the three main viral agents that cause various diseases. The viral agents are: 1. Viroids 2. Virusoids 3. Prions. Viral Agent # 1. Viroids: Viroids differ from viruses in having no coat enclosing the nucleic acid which in these agents is a small single stranded circular RNA. The naked RNA can infect many plants causing at [...]
In this article we will discuss about the strategies and types of antiviral drugs. Strategies of Antiviral Drugs: Antibiotics which have revolutionized the control of diseases caused by bacteria and some other pathogenic agents are totally ineffective against viruses, because the viruses do not have a cell and they are heavily dependent on the host cell for multiplication. Therefore, the [...]
List of twenty major diseases of plants:- 1. Brown Spot Disease of Rice 2. Blast Disease of Rice 3. Green Smut or False Smut of Paddy 4. Loose Smut of Wheat 5. Black Stem Rust of Wheat 6. Late Blight Disease of Potato 7. Stem Rot of Jute 8. Ergot Disease of Rye 9. Grey Blight of Tea 10. Wilt [...]