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  2. List of pear diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_pear_diseases

    Rust, Kern's pear Gymnosporangium kernianum. Rust, Pacific Coast pear Gymnosporangium libocedri. Rust, pear trellis (European pear rust) Gymnosporangium fuscum. Rust, Rocky Mountain pear Gymnosporangium nelsonii. Side rot Phialophora malorum. Silver leaf Chondrostereum purpureum. Sooty blotch Gloeodes pomigena. Thread blight (Hypochnus leaf blight)

  3. Fire blight - Wikipedia

    en.wikipedia.org/wiki/Fire_blight

    Fire blight, also written fireblight, is a contagious disease affecting apples, pears, ... Fire blight on a pear tree caused by Erwinia amylovora.

  4. These Flowering Trees Are Actually Banned in Some States - AOL

    www.aol.com/flowering-trees-actually-banned...

    The Bradford pear tree is a tale of good intentions gone bad. ... You can still buy all types of Callery pears—including varieties known as 'Cleveland Select,' 'Chanticleer,' 'Aristocrat ...

  5. WSU professor warns of fire blight antibiotic resistance - AOL

    www.aol.com/wsu-professor-warns-fire-blight...

    According to WSU's Tree Fruit website, fire blight is a disease affecting crops of pears and apples. "Infections ... Apr. 17—MOSES LAKE — Frank Zhao, a professor of plant pathology at ...

  6. Invasive pear trees won't be sold in Ohio starting in 2023

    www.aol.com/news/invasive-pear-trees-wont-sold...

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  7. Thomas Jonathan Burrill - Wikipedia

    en.wikipedia.org/wiki/Thomas_Jonathan_Burrill

    He introduced Erwinia amylovora (called by him Micrococcus amylovorus) as the causal agent of pear fire blight. [2] Born in Pittsfield, Massachusetts, he moved with his family at age 9 to a farm in Stephenson County, Illinois. [3] Burrill graduated Illinois State Normal University in 1865. [4]

  8. Fight fire blight in apple, pear trees - AOL

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  9. Blight - Wikipedia

    en.wikipedia.org/wiki/Blight

    Fire blight of pome fruits, caused by the bacterium Erwinia amylovora (Burrill) Winslow et al., is the most severe disease of pear and also is found in apple and raspberry, among others. Bacterial leaf blight of rice, caused by the bacterium Xanthomonas oryzae (Uyeda & Ishiyama) Dowson. [3]