Here is a list of seven viruses that are found in plants: 1. Tobacco Mosaic Virus (TMV) 2. Potato Virus X (PVX) 3. Potato Virus Y (PVY) 4. Cucumber Mosaic Virus (CMV) 5. Cauliflower Mosaic Virus (CaMV) 6. Potato Leaf Roll Virus (PLRV) 7. Mosaic Disease of Sugarcane. 1. Tobacco Mosaic Virus (TMV): TMV is the most serious pathogen causing [...]
In this article we will discuss about the biogeochemical cycling of carbon, nitrogen, phosphorus and sulfur. 1. The Carbon Cycle: In nature carbon exists in the form of inorganic and complex organic compounds. In atmosphere the concentration of CO2 is only 0.32% which is less than what is required by plants for photosynthesis. The CO2 is the main source of [...]
In this article we will discuss about:- 1. Purpose of Plant Introduction 2. Procedure of Plant Introduction 3. Agencies 4. Merits and Demerits 5. Achievements. Plant introduction is a process of introducing plants (a genotype or a group of genotypes) from their own environment to a new environment. The process of introduction may involve new varieties of crop or the [...]