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A protoxin present in the seeds of Acer negundo, hypoglycin A, has been identified as a major risk factor for, and possibly the cause of, a disease in horses, seasonal pasture myopathy (SPM). SPM is an equine neurological disease which occurs seasonally in certain areas of North America and Europe, with symptoms including stiffness, difficulty ...
Canker: symptom produced by the pathogen. Eutypella canker infects many species of maple trees, most prevalently the sugar maple (Acer saccharum).Others commonly affected are the red maple (Acer rubrum), box elder (Acer negundo), striped maple (Acer pensylvanicum), Norway maple (Acer platanoides), sycamore maple (Acer pseudoplatanus), silver maple (Acer saccharinum), and black maple (Acer nigrum).
Verticillium wilt is a wilt disease affecting over 350 species of eudicot plants.It is caused by six species of Verticillium fungi: V. dahliae, V. albo-atrum, V. longisporum, V. nubilum, V. theobromae and V. tricorpus. [1]
[10] [3] [5] HGA is a naturally-occurring amino acid contained by trees and shrubs of Acer genus. Horses can become poisoned by eating the seeds or seedlings of Acer pseudoplatanus (called Sycamore in the UK or more widely Sycamore Maple) or Acer negundo (Box Elder). [11] [4] [12] [13] The amount of HGA in sycamore seeds may vary. [6]
Hypoglycin A is a naturally occurring amino acid derivative found in the unripened fruit of the Ackee tree (Blighia sapida) [1] and in the seeds of the box elder tree (Acer negundo). [2] It is toxic if ingested, and is the causative agent of Jamaican vomiting sickness. [1]
Acer negundo, also known as the box elder, is a species of maple in the family Sapindaceae, native to North America. It is a fast-growing, short-lived tree with opposite, ash-like compound leaves. It is sometimes considered a weedy or invasive species, and has been naturalized throughout much of the world. It grows up to 10 to 25 metres (35 to ...
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The seeds of some trees of the genus acer contain a toxin that causes a fatal muscle disease in horses. In the US, this disease is called Seasonal Pasture Myopathy, and results from ingestion of the seeds of the elder box tree (acer negundo).