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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.
Plant virus transmission strategies in insect vectors. Plant viruses need to be transmitted by a vector, most often insects such as leafhoppers. One class of viruses, the Rhabdoviridae, has been proposed to actually be insect viruses that have evolved to replicate in plants. The chosen insect vector of a plant virus will often be the ...
These plants would kill off any infected cells, not allowing the virus to spread. Furthermore, larger distance between plants could help slow the spread of the disease by not allowing the virus to be transmitted. This can be done by controlling weeds and thrips, the most common vector transmission. [5]
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 ]
Such diseases were originally thought to be caused by viruses, which, like phytoplasmas, require insect vectors and cannot be cultured. Viral and phytoplasmic infections share some symptoms. [ 5 ] In 1967, phytoplasmas were discovered in ultrathin sections of plant phloem tissue and were termed mycoplasma-like organisms due to their ...
Overall Weakening of the Plant: Beyond the visible symptoms, CIRV infection weakens carnation plants more broadly. The virus interferes with normal plant functions, reducing overall vigor. Weakened plants become more susceptible to environmental conditions, pests, and other diseases, further affecting their health and productivity.
Transmission electron micrograph of tomato spotted wilt virus. The circulative propagative transmission of TSWV is carried out by at least ten different species of thrips. [2] The most common species is Frankliniella occidentalis (western flower thrips) as it is the vector that predominantly transmits TSWV globally and in greenhouses.
Insects that act as vectors for plant diseases arising from bacteria, viruses, viroids and other pathogens. Pages in category "Insect vectors of plant pathogens" The following 74 pages are in this category, out of 74 total.