Transgenic plants are modified by using recombinant DNA technique. This technique is used to create plants with new characteristics. Rice stripe virus is a RNA plant pathogen that infects plants such as corn, wheat, rice. Tobacco -mosaic virus is a single standard RNA virus that causes mottling and discoloration of tobacco leave. Plant viruses are composed with proteins, nucleic acids.
Through insects, Mechanical, Seeds, Grafting. Macroscopic, Leaf rolling, moasic patterns , Yellow disease, Ring spot. Cytological Changes in cytoplasm and nuclei.
Visible effects of disease on plants are called symptoms. There are four types ofplantvirustransmissions:
Plant viruses are viruses that affect plants, they are intracellular parasites that they cannot replicate without the host and mostly they have RNA single stranded but some of them have the double stranded RNA or ds DNA genomes and the tobacco mosaic virus is the first virus to be discovered approximately about 50 billion loss of crop yields worldwide each year there will be the loss due to this virus and the plants have the specialized mechanism for transporting the Mrna through plasmodesmata, and these viruses spread from one cell to other and the transmission usually occurs through the insects and the plasmodesmata is the preferred path for virions to move between plant cells and the society of American psychopathological society is to study about plant diseases and other is Australasian plant pathology society is also to study about plant diseases and research about it and the usually occurring the plant symptoms are leaf rolling, mosaic pattern, yellow diseases, ring spot, these occurs due to the changes in nuclei and dna strands and there are different of virus transmission they are horizontal, vertical, mechanical, these all are for the plant transmission and the plant to be infected by the virus
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Academicians, researchers, Scientists, microbiologists, virologists, epidemiologists, research scholar’s vaccinologists, immunologists, viral disease researchers, associations and societies, health-care professionals, medical colleges
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