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Effects of Water and Mineral Nutrient Deficiencies on Pyrrolizidine Alkaloid Content ofSenecio vulgaris Flowers

✍ Scribed by Brown, Milford S; Molyneux, Russell J

Book ID: 101223366
Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 246 KB
Volume: 70
Category: Article
ISSN: 0022-5142
DOI: 10.1002/(sici)1097-0010(199602)70:2<209::aid-jsfa485>3.0.co;2-7

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✦ Synopsis

The flowers of Senecio vulgaris contain the alkaloids senecionine, seneciphylline, and their N-oxides, compounds which are toxic to some grazing animals. Deficiencies of water, mineral nutrients, or both did not significantly alter concentrations of the individual alkaloids. However, more favourable growing conditions resulted in a greater quantity of flowers, which animals find quite palatable, so that each of these plants was potentially more toxic because it contained a larger total amount of the alkaloids.

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