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White mold affects a wide range of hosts and causes sclerotinia stem rot. It is known to infect 408 plant species. As a nonspecific plant pathogen, [3] diverse host range and ability to infect plants at any stage of growth makes white mold a very serious disease. The fungus can survive on infected tissues, in the soil, and on living plants.
Rain can wash spores into the soil where they infect young tubers, and the spores can also travel long distances on the wind. The early stages of blight are easily missed. Symptoms include the appearance of dark blotches on leaf tips and plant stems. White mold will appear under the leaves in humid conditions and the whole plant may quickly ...
Phytophthora (from Greek φυτόν (phytón), "plant" and φθορά (phthorá), "destruction"; "the plant-destroyer") is a genus of plant-damaging oomycetes (water molds), whose member species cause economic losses on crops worldwide, as well as environmental damage in natural ecosystems. The cell wall of Phytophthora is made up of cellulose.
The spores are wind-dispersed and they are often extremely abundant in outdoor air. Indoors Cladosporium species may grow on surfaces when moisture is present. Cladosporium fulvum , cause of tomato leaf mould, has been an important genetic model, in that the genetics of host resistance are understood. [ 4 ]
Ulocladium is a genus of fungi.Species of this genus contain both plant pathogens and food spoilage agents. Other species contain enzymes that are biological control agents. . Some members of the genus can invade homes and are a sign of moisture because the mold requires water to t
The water-borne dispersal methods allow it to infect a plethora of plants every growing season and increase the overall incidence of disease. Although Diplocarpon rosae does not kill the rose itself, it is known to completely defoliate the leaves of the rose plant. This is a huge issue when dealing with such an aesthetically commercialized crop ...
Sooty mold is commonly seen on the leaves of ornamental plants such as azaleas, gardenias, camellias, crepe myrtles, Mangifera and laurels. Karuka is affected by sooty mold caused by Meliola juttingii. [6] Plants located under pecan or hickory trees are particularly susceptible to sooty mold, because honeydew-secreting insects often inhabit ...
Once the spores of this fungi are spread by air, water, tools and insects, [10] the development of the disease is quick, moving from lower to upper leaves; the controlling must be done as soon as possible. It includes avoiding water on the surface of leaves, handling plants in high humidity, and in the worst case, disinfecting the whole greenhouse.
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