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Identification of Different Fusarium Spp. in Allium Spp. in Germany

Identification of Different Fusarium Spp. in Allium Spp. in Germany

B Boehnke, P Karlovsky, K Pfohl, A Gamliel, Y Isack, H W Dehne

Commun Agric Appl Biol Sci. 2015;80(3):453-63.

PMID: 27141742

Abstract:

In 2013 Allium cepa bulbs from different fields in Northern and Southern Germany, seeds and sets from onion breeders were analysed for infestation with Fusarium species. The same investigation was done in 2014 with different edible Allium spp. from local markets. Different Fusarium spp. were isolated and identified by morphological characterisation. 24 different Fusarium spp. were identified. The diversity of Fusarium spp. and the intensity of infestation was higher on edible bulbs compared to the younger sets and seeds. The analysed onions and other edible Allium spp. from local markets showed also high contents of different Fusarium species. The most prevalent identified Fusarium sp. in the analysed Allium spp. in Germany was Fusarium oxysporum which can cause the Fusarium Basal Rot, followed by Fusarium solani. Fusarium proliferatum, which can cause the Fusarium Salmon Blotch in onions, could be detected in about half of the sampled onion fields and in approximately 10% of all analysed onions from fields. Also in the onion sets, on the surface of the seeds and in other edible Allium spp. F. proliferatum could be identified. Besides F. proliferatum, further mycotoxin producing Fusarium spp. like Fusarium equiseti or Fusarium tricinctum were identified. Other Fusarium spp. like Fusarium sporotrichioides and Fusarium poae were first described in Allium sp. in this study. The two most prevalent Fusarium spp. F. oxysporum and F. solani are able to produce mycotoxins like enniatins, fumonisins, moniliformin and T-2 toxins. Fusarium sp. like F. proliferatum, F. equiseti and F. tricinctum are able to produce additional toxins like beauvericins, zearalenone and diacetoscirpenol. This high number of Fusarium spp., which are able to produce a broad spectrum of different mycotoxins, could be a potential health risk for human beings and livestock.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP71376346	Moniliformin sodium salt from Fusarium proliferatum		71376-34-6	Price

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