September 10, 2025HortScience

Role of Glandular Trichomes and Terpene Diversity on Tomato Resistance against the Sweetpotato Whitefly

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Study demonstrates reduced whitefly populations in wild tomato species linked to glandular trichome density and terpene profiles.

Higher glandular trichome density significantly reduces sweetpotato whitefly populations on wild tomato accessions.
Distinctive sesquiterpene production correlates with lower whitefly nymph counts in high-resistance tomato species.
Multivariate analyses show terpene-rich wild accessions cluster together, indicating enhanced pest resistance.
The research underscores breeding prospects using wild tomatoes to develop cultivars suited for sustainable agriculture.

Rutz et al. (2025) studied this question.

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