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Juglans nigra, the eastern American black walnut, is a species of deciduous tree in the walnut family, Juglandaceae, native to central and eastern North America, growing mostly in riparian zones. Black walnut is susceptible to thousand cankers disease , which provoked a decline of walnut trees in some regions.
The allelopathic effects of walnut trees on other plants were observed as far back as the 1st century CE. [2] Juglone itself was first isolated from black walnut in 1856, and was identified as the compound responsible for its allelopathic effects in 1881.
Walnut bunch Phytoplasma organism White mold Microstroma juglandis: White trunk rot Phellinus igniarius: Wood decay Schizophyllum commune Hypochnicium vellereum Trametes versicolor Phellinus gilvus Peniophora cinerea Hericium coralloides. Zonate leaf spot Grovesinia pyramidalis
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 ...
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.
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 ...
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 ...
Two Ohio siblings were charged with felony theft after they arranged to cut down a tree estimated to be over 250 years old that was located on city property, Ohio siblings face felony charges ...
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