By Henry Njapau, Socrates Trujillo, Hans P. Van Egmond, Douglas L. Park
This publication comprises chosen peer-reviewed papers of the IUPAC (International Union of natural and utilized Chemistry) symposium ''Mycotoxins and phycotoxins''. those symposia are the valuable foreign interdisciplinary conventions targeting prevalence, advances in decision, toxicology and publicity administration of those bio-contaminants. The chapters are geared up in sections that come with brand new overviews of present mycotoxin and phycotoxin matters. Advances in analytical innovations utilizing fast screening instruments, high-sensitivity instrumental tools and their combos, utilized for unmarried and multi-toxin determinations, are highlighted in a particular portion of the ebook. id of needful agronomic components and pre-harvest forecasting for strategic intervention are a part of a treatise on publicity administration. because the inception greater than 30 years in the past, this IUPAC symposia sequence has grown in scope, clinical novelty and cost
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Additional info for Mycotoxins and phycotoxins: Advances in determination, toxicology and exposure management
Example text
It would seem therefore, that the major source of contamination in the study area is pre-harvest contamination, since millipedes and termites are known, in Senegal, to attack peanuts whilst if the field. Where samples were available on every sampling occasion, there is some notable variation in the contamination level from month to month in almost all categories. We attribute this variation to heterogeneity of contamination normally observed in lots contaminated with aflatoxin. Overall, there is neither a decreasing nor increasing trend in the content of aflatoxin across the sampling period.
N. R. com Abstract Three different types of earheads which are generally found in sorghum such as compact panicles with open grains, open panicles with enclosed grains and normal panicles with normal grains were examined for earhead insect pests and also for the relationship between insect pest damage and fungal infection on the production of mycotoxins. A total of 15 species of earhead insect pests belonging to 14 genera were isolated from one or the other varieties of sorghum from the stage of flowering to harvest.
Percentage dominance of field fungi in relation to type of earhead in sorghum. 4 A. 2 A. 4 1 A. 7 A. 6 4 A. 2 A. 8 A. 7 acremonium C. geniculata C. 1 C. 7 C. 6 C. 1 D. 3 F. 8 F. 8 F. 6 F. 9 F. 8 P. 1 1 P. 7 P. 1 3 P. 3 48 Mycotoxins and phycotoxins Effects and interaction on mycotoxin production in field sorghum Aspergillus, Curvularia, Fusarium and Penicillium were the predominant fungal pathogens. Heavy insect infestation by piercing sucking insects such as mealybugs, leafhoppers, scales and aphids frequently leads to the production of sticky sugary honeydew, which is often colonised by sooty mould (dark coloured fungus) that affects the plant adversely.