Intellectual Olympiad in Plant Protection - 2026 ongoing

Subject: Plant Protection
Level: XII
Category: student
Quiz questions: in English
Example question: A fungicide-resistant pathogen population shows a reduced sensitivity to several chemically unrelated fungicides that inhibit the same target pathway. Which interpretation best accounts for this pattern? Multiple independent target-site mutations with no shared mechanism, Cross-resistance caused by a resistance mechanism affecting a common biochemical target, Resistance caused exclusively by reduced spray coverage, Reversion of the pathogen to its original sensitive phenotype