Mechanical Wounds on Imported Apples and their Effects on Natural Infection with Rot Fungi and Laboratory Detection of Toxins
DOI:
https://doi.org/10.63359/sv02ds55Keywords:
Post-harvest disease,, Rot fungi, , Mycotoxins,, Apple.Abstract
Post-harvest diseases are of great importance to fruit after harvesting. Therefore, this research aimed to study the effect of mechanically puncturing imported apples on their degree of contamination with post-harvest rot fungi. The Red Delicious and Gold Delicious apple varieties were used in the study. The fruits were punctured and stored in an incubator and on a laboratory shelf until the onset of symptoms. Isolation results from infected fruits showed infection with the fungi Penicillium expansum causing blue rot, P. citrinum causing green rot, and Rhizopus stolonifer causing soft rot). P. expansum was the most prevalent fungus, accounting for 75% of infections, with the highest infection rate (36.8%) observed in the Red Delicious variety. Furthermore, P. expansum and P. citrinum were found to produce toxins under the influence of ammonia vapor in the culture medium.
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