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Cercospora melongenae is a fungal plant pathogen that causes leaf spot on eggplant (Solanum melongenum). It is a deuteromycete fungus that is primarily confined to eggplant species. [1] [2] Some other host species are Solanum aethiopicum and Solanum incanum. This plant pathogen only attacks leaves of eggplants and not the fruit. [3]
Helminthosporium solani is a fungal plant pathogen responsible for the plant disease known as silver scurf. Silver scurf is a blemish disease, meaning the effect it has on tubers is mostly cosmetic and affects "fresh market, processing and seed tuber potatoes." [2] There are some reports of it affecting development, meaning growth and tuber yield.
Plant disease triangle. Epidemiology is the study of factors affecting the outbreak and spread of infectious diseases. [11] 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. [12]
Additionally, virescence can serve as an indicator of phytoplasma infection, which can cause significant production losses in agricultural and horticultural crops. Therefore, a better understanding of virescence and its influencing factors is crucial for plant disease control and sustainable agriculture management.
Plant disease epidemiology is the study of disease in plant populations. Much like diseases of humans and other animals, plant diseases occur due to pathogens such as bacteria , viruses , fungi , oomycetes , nematodes , phytoplasmas , protozoa , and parasitic plants . [ 1 ]
In agriculture, disease management is the practice of minimizing disease in crops to increase quantity or quality of harvest yield. Organisms that cause infectious disease in crops include fungi , oomycetes , bacteria , viruses , viroids , virus-like organisms, phytoplasmas , protozoa , nematodes and parasitic plants .
The main control method of sheath blight is the use of systemic and nonsystemic fungicides, of systemic are considered more effective. This method produces fewer instances of disease, less inoculum and better yields. One commonly used chemical controls is azoxystrobin, a QOI that prevents the respiration of fungi. [7]
Antagonism (in phytopathology) occurs when one organism inhibits or slows down the growth of a plant disease-causing organism, such as harmful bacteria or fungi. [1] Most plants can host a variety of pathogens and are often infected by multiple species simultaneously. [2]