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  2. Heterobasidion annosum - Wikipedia

    en.wikipedia.org/wiki/Heterobasidion_annosum

    Later, it was found to be linked to conifer disease by Robert Hartig in 1874, and was renamed Fomes annosus by H. Karsten. Its current name of Heterobasidion annosum was given by Brefeld in 1888. Heterobasidion annosum causes one of the most destructive diseases of conifers. [1] The disease caused by the fungus is named annosus root rot.

  3. Laminated root rot - Wikipedia

    en.wikipedia.org/wiki/Laminated_root_rot

    Laminated root rot also known as yellow ring rot is caused by the fungal pathogen Phellinus weirii. Laminated root rot is one of the most damaging root disease amongst conifers in northwestern America and true firs , Douglas fir , Mountain hemlock , and Western hemlock are highly susceptible to infection with P. weirii .

  4. Root rot - Wikipedia

    en.wikipedia.org/wiki/Root_rot

    Root rot is a condition in which anoxic conditions in the soil or potting media around the roots of a plant cause them to rot. This occurs due to excessive standing water around the roots. [ 1 ] It is found in both indoor and outdoor plants, although it is more common in indoor plants due to overwatering, heavy potting media, or containers with ...

  5. Rigidoporus microporus - Wikipedia

    en.wikipedia.org/wiki/Rigidoporus_microporus

    White root rot has now become the most threatening root disease of the rubber tree in both Asian and African continents, which supply 98% of the natural rubber to the world market. In Indonesia alone, the affected area is more than 80,000 ha. As a whole 5–10% of the cultivated lands are in bare patches due to this deadly disease.

  6. Armillaria root rot - Wikipedia

    en.wikipedia.org/wiki/Armillaria_root_rot

    Armillaria root rot is a fungal root rot caused by several different members of the genus Armillaria. The symptoms are variable depending on the host infected, ranging from stunted leaves to chlorotic needles and dieback of twigs and branches. However, all infected hosts display symptoms characteristic of being infected by a white rotting ...

  7. Fungicide use in the United States - Wikipedia

    en.wikipedia.org/wiki/Fungicide_use_in_the...

    Root rot is a common disease of Florida green beans and can reduce crop yields there by up to 75% if untreated. [96] It was not until the 1950s that an effective fungicide was found to control root rot. Trials in Florida in the 1950s showed that applications of PCNB were able to reduce incidence to 3%. [98] PCNB is still the primary treatment ...

  8. List of Douglas-fir diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_douglas-fir_diseases

    Fungal diseases; Annosus root disease Heterobasidion annosum. Spiniger meineckellum [anamorph] Armillaria root disease Armillaria solidipes. Armillaria spp. Black stain root disease Leptographium wageneri var. pseudotsugae: Blue stain fungus Grosmannia clavigera: Bleeding sap rot Stereum sanguinolentum: Brown crumbly rot Fomitopsis pinicola ...

  9. Damping off - Wikipedia

    en.wikipedia.org/wiki/Damping_off

    Rhizoctonia solani root rot on corn roots, magnified 0.63X. Damping off can be prevented or controlled in several different ways. Sowing seeds in a sterilized growing medium can be effective, although fungal spores may still be introduced to the medium, either on the seeds themselves or after sowing (in water or on the wind).

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