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  2. Phomopsis blight of juniper - Wikipedia

    en.wikipedia.org/wiki/Phomopsis_Blight_of_Juniper

    Phomopsis blight of juniper is a foliar disease discovered in 1917 [1] caused by the fungal pathogen Phomopsis juniperovora.The fungus infects new growth of juniper trees or shrubs, i.e. the seedlings or young shoots of mature trees.

  3. 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 ...

  4. Category:Tree diseases - Wikipedia

    en.wikipedia.org/wiki/Category:Tree_diseases

    Fruit tree diseases (9 C, 27 P) Fungal tree pathogens and diseases (5 C, 286 P) Pages in category "Tree diseases"

  5. Beech bark disease - Wikipedia

    en.wikipedia.org/wiki/Beech_bark_disease

    Beech bark disease is a disease that causes mortality and defects in beech trees in the eastern United States, Canada and Europe. [ 1 ] [ 2 ] [ 3 ] In North America , the disease occurs after extensive bark invasion by Xylococculus betulae and the beech scale insect , Cryptococcus fagisuga . [ 4 ]

  6. Heart rot - Wikipedia

    en.wikipedia.org/wiki/Heart_rot

    In trees, heart rot is a fungal disease that causes the decay of wood at the center of the trunk and branches. Fungi enter the tree through wounds in the bark and decay the heartwood . The diseased heartwood softens, making trees structurally weaker and prone to breakage.

  7. Oak wilt - Wikipedia

    en.wikipedia.org/wiki/Oak_wilt

    Oak wilt is a devastating exotic disease, killing some trees rapidly in a single season. [7] Oak wilt is an important disease in urban areas where trees are highly valued. . The disease reduces property values because of the loss of trees and is economically costly to the property owner since they or the local government must pay for tree remo

  8. List of pear diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_pear_diseases

    Fungal diseases; Alternaria fruit rot Alternaria spp. Anthracnose canker and bull's-eye rot Pezicula malicorticus Cryptosporiopsis curvispora [anamorph] Armillaria root rot (shoestring root rot) Armillaria mellea Rhizomorpha subcorticalis [anamorph] Bitter rot Glomerella cingulata Colletotrichum gloeosporioides [anamorph] Black rot, leaf spot ...

  9. Phytophthora ramorum - Wikipedia

    en.wikipedia.org/wiki/Phytophthora_ramorum

    Phytophthora ramorum is the oomycete known to cause the disease sudden oak death (SOD).The disease kills oak and other species of trees and has had devastating effects on the oak populations in California and Oregon, as well as being present in Europe.