Abstract:
:Fifty commercial corn hybrids with different endosperm characteristics, vegetative cycle length and cross class grown in the same geographical area (Cordoba Province, Argentina) were analysed for fumonisin accumulation. All hybrids analysed showed fumonisin B(1) and B(2) contamination ranging from 185 to 27,050 ng/g for FB(1) and from 40 to 9950 ng/g for FB(2). Although most of the hybrids analysed had flint-type endosperm, two hybrids with dent-type endosperm (e.g. Prozea 10 and AX 746) showed the highest level of fumonisin (37,000 ng/g) and more FB(2) than FB(1) (FB(2)/FB(1) ratio 2.42), respectively. There was no correlation between fumonisin concentration and length of the vegetative cycle. Among 18 hybrids examined for Fusarium species contamination there was also no correlation between fumonisin contamination and the level of infection with Fusarium species (Section Liseola). Eighteen hybrids showed fumonisin levels lower than 1000 ng/g. This result suggests that there is some possibility of selecting hybrids resistant or less susceptible to fumonisin and Fusarium contamination.
journal_name
Mycopathologiajournal_title
Mycopathologiaauthors
Ramirez ML,Pascale M,Chulze S,Reynoso MM,March G,Visconti Adoi
10.1007/BF00436572subject
Has Abstractpub_date
1996-07-01 00:00:00pages
29-34issue
1eissn
0301-486Xissn
1573-0832journal_volume
135pub_type
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