The following points highlight the six main symptoms of viral diseases. The symptoms are: 1. Mosaic Spotting 2. Ring Spotting 3. Chlorosis 4. Distortion 5. Necrosis 6. Breaking of Blossoms. Symptom # 1. Mosaic Spotting: In this case usually the leaves, sometimes the blossoms and other parts of the host plants show spots or patches of light green, yellow or [...]
Do you want to create an amazing science fair project on viruses ? You are in the right place. Read the below given article to get a complete idea on viruses: 1. Origin of Viruses 2. History of Viruses 3. Occurrence 4. Morphology 5. Classification 6. Isolation and Cultivation. Contents: Science fair Project on the Origin of Viruses Science fair [...]
In this article we will discuss about the history of plant virology. In 1879, Adolf Mayer (Director of the Agricultural Experiment Station at Wageningen, The Netherlands) was the first to study this disease of tobacco. He is credited as the first person to transmit tobacco mosaic virus by using the extracts from the diseased plant as the inoculum to the [...]