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  2. Juglans nigra - Wikipedia

    en.wikipedia.org/wiki/Juglans_nigra

    Black walnut is susceptible to thousand cankers disease, which provoked a decline of walnut trees in some regions. Black walnut is allelopathic, releasing chemicals from its roots and other tissues that may harm other organisms and give the tree a competitive advantage, but there is no scientific consensus that this is a primary competitive factor.

  3. Juglone - Wikipedia

    en.wikipedia.org/wiki/Juglone

    Juglone itself was first isolated from black walnut in 1856, and was identified as the compound responsible for its allelopathic effects in 1881. [2] In 1921, a study observed that tomato plants near black walnut trees exhibited wilted leaves, suggesting an adverse interaction. [3]

  4. List of black walnut diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_black_walnut_diseases

    Leaf spot Mycosphaerella juglandis Cylindrosporium juglandis [anamorph] Nectria canker Nectria galligena: Phytophthora root rot Phytophthora citricola Phytophthora cinnamomi. Seedling shoot dieback Phomopsis arnoldiae = Phomopsis elaeagni. Thousand cankers disease: Geosmithia fungus Walnut bunch Phytoplasma organism White mold Microstroma juglandis

  5. 10 Landscaping and Gardening Myths to Stop Believing - AOL

    www.aol.com/10-landscaping-gardening-myths-stop...

    Myth: You Can't Grow Anything Near a Black Walnut Tree. Truth: While the roots of black walnut (Juglans nigra) do release an allelopathic chemical known as juglone that inhibits the growth of some ...

  6. Juglans - Wikipedia

    en.wikipedia.org/wiki/Juglans

    Walnut trees are any species of tree in the plant genus Juglans, the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts.All species are deciduous trees, 10–40 metres (33–131 ft) tall, with pinnate leaves 200–900 millimetres (7.9–35.4 in), with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts (Pterocarya), but not ...

  7. Allelopathy - Wikipedia

    en.wikipedia.org/wiki/Allelopathy

    Allelopathic interactions are an important factor in determining species distribution and abundance within plant communities, and are also thought to be important in the success of many invasive plants. For specific examples, see black walnut (Juglans nigra), tree of heaven (Ailanthus altissima), black crowberry (Empetrum nigrum), spotted ...

  8. List of plants poisonous to equines - Wikipedia

    en.wikipedia.org/wiki/List_of_plants_poisonous...

    Plants can cause reactions ranging from laminitis (found in horses bedded on shavings from black walnut trees), anemia, kidney disease and kidney failure (from eating the wilted leaves of red maples), to cyanide poisoning (from the ingestion of plant matter from members of the genus Prunus) and other symptoms.

  9. Juglans hindsii - Wikipedia

    en.wikipedia.org/wiki/Juglans_hindsii

    Juglans hindsii, commonly called the Northern California black walnut and Hinds's black walnut, is a species of walnut tree native to the western United States (California and Oregon). [ 1 ] [ 2 ] [ 3 ] It is commonly called claro walnut by the lumber industry and woodworkers, and is the subject of some confusion over its being used as ...