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  2. Plant virus - Wikipedia

    en.wikipedia.org/wiki/Plant_virus

    Although plant viruses are not as well understood as their animal counterparts, one plant virus has become very recognizable: tobacco mosaic virus (TMV), the first virus to be discovered. This and other viruses cause an estimated US$60 billion loss in crop yields worldwide each year. Plant viruses are grouped into 73 genera and 49 families ...

  3. Plant disease - Wikipedia

    en.wikipedia.org/wiki/Plant_disease

    Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). [1] Organisms that cause infectious disease include fungi , oomycetes , bacteria , viruses , viroids , virus -like organisms, phytoplasmas , protozoa , nematodes and parasitic plants . [ 2 ]

  4. Plant pathology - Wikipedia

    en.wikipedia.org/wiki/Plant_pathology

    Plant disease triangle. Epidemiology is the study of factors affecting the outbreak and spread of infectious diseases. [10] A disease triangle describes the basic factors required for plant diseases. These are the host plant, the pathogen, and the environment. Any one of these can be modified to control a disease. [11]

  5. Plant disease epidemiology - Wikipedia

    en.wikipedia.org/wiki/Plant_disease_epidemiology

    Plants can show many signs or physical evidence of fungal, viral or bacterial infections. This can range from rusts or molds to not showing anything at all when a pathogen invades the plant (occurs in some viral diseases in plants). [9] Symptoms which are visible effects of diseases on the plant consist of changes in color, shape or function. [9]

  6. Banana bunchy top virus - Wikipedia

    en.wikipedia.org/wiki/Banana_bunchy_top_virus

    Banana bunchy top is a viral disease caused by a single-stranded DNA virus called the banana bunchy top virus (BBTV). It was first identified in Fiji in 1879, and has spread around the world since then. [1] Like many viruses, BBTV was named after the symptoms seen, where the infected plants are stunted and have "bunchy" leaves at the top. [2]

  7. Pathogen - Wikipedia

    en.wikipedia.org/wiki/Pathogen

    Plants can play host to a wide range of pathogen types, including viruses, bacteria, fungi, nematodes, and even other plants. [35] Notable plant viruses include the papaya ringspot virus, which has caused millions of dollars of damage to farmers in Hawaii and Southeast Asia, [36] and the tobacco mosaic virus which caused scientist Martinus ...

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  9. Transmission of plant viruses - Wikipedia

    en.wikipedia.org/wiki/Transmission_of_plant_viruses

    Since viruses are obligate intracellular parasites they must develop direct methods of transmission, between hosts, in order to survive. The mobility of animals increases the mechanisms of viral transmission that have evolved, whereas plants remain immobile, and thus plant viruses must rely on environmental factors to be transmitted between hosts.