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April 26, 2026Frontiers in Plant ScienceOpen Access

Characterizing fungal community shifts associated with Amauromyza karli Hendel (Diptera: Agromyzidae) infestation in quinoa

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Authors

NPNeha PanwarJSJane E. StewartJCJorge R. Ibarra Caballero

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Overview

Randomized trial characterizes fungal community shifts affecting pest pressure in quinoa, suggesting implications for pest management.

Key Points

  • The aim was to understand how fungal communities affect the interaction between quinoa and the pest Amauromyza karli.
  • Analyzed fungal communities using culture-based isolation and amplicon sequencing from quinoa stems and soil.
  • Conducted assessments across six site-year combinations in Colorado.
  • Evaluated correlations between fungal diversity and the abundance of Amauromyza karli.
  • Eighteen dominant stem endophytes were identified, primarily Ascomycota, including Fusarium, Alternaria, and Plectosphaerella.
  • Core analysis revealed 23 amplicon sequence variants, with higher fungal richness correlating with increased pest abundance.
  • Specific fungi correlated with low versus high abundance of A. karli, aiding in identifying candidates for integrated pest management.

Cite This Study

Panwar et al. (2026) studied this question.

synapsesocial.com/papers/69edaafc4a46254e215b332dhttps://doi.org/10.3389/fpls.2026.1741091
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