What question did this study set out to answer?

To determine how rootstock-driven physiological and nutritional changes in salt-stressed tomato plants influence bumblebee pollination behavior, fruit yield, and mutualistic plant-pollinator interactions.

August 20, 2026PlantaOpen Access

Salinity strengthens plant–pollinator mutualism through leaf physiological status in grafted tomatoes

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Authors

ÁPÁngela S. PrudencioCentro de Edafología y Biología Aplicada del Segura CMCristina Martínez-AndújarCentro de Edafología y Biología Aplicada del Segura JMJosé Ángel Martín‐RodríguezCentro de Edafología y Biología Aplicada del Segura

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Implication

Controlled experiment reveals rootstock-mediated leaf nutrient balance shapes bumblebee pollination in salt-stressed tomatoes, suggesting pollinators can aid stress-tolerant crop breeding.

Key Points

To determine how rootstock-driven physiological and nutritional changes in salt-stressed tomato plants influence bumblebee pollination behavior, fruit yield, and mutualistic plant-pollinator interactions.
Grafted a commercial tomato cultivar (Solanum lycopersicum) onto 26 experimental rootstocks grown under control and saline (75 mM NaCl) conditions.
Quantified plant biomass, fruit yield and quality, leaf/flower ionomics (C, N, P, K, Ca, S, Zn, Na), and photosynthetic efficiency via chlorophyll fluorescence (Fv/Fm).
Monitored and visually scored managed bumblebee (Bombus terrestris) visitation rates, flower choices, and foraging preferences across treatments.
Leaf sodium (Na) concentration emerged as the strongest negative determinant of plant growth, Fv/Fm, fruit yield, and bumblebee foraging activity under salinity.
Salinity stress enhanced plant-pollinator mutualism, as rootstock-mediated plant vigor and yield correlated positively with leaf nutrient status, Fv/Fm, and bumblebee visits.
Flower abortion was predominantly driven by leaf carbon, nitrogen, and phosphorus status rather than floral sodium accumulation.

Cite This Study

Prudencio et al. (2026) studied this question.

synapsesocial.com/papers/6a86b57f8a91293e6a1ccd86 https://doi.org/10.1007/s00425-026-05110-y

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Implication

Controlled experiment reveals rootstock-mediated leaf nutrient balance shapes bumblebee pollination in salt-stressed tomatoes, suggesting pollinators can aid stress-tolerant crop breeding.

Salinity strengthens plant–pollinator mutualism through leaf physiological status in grafted tomatoes

Discussion

Member takes

Implication

Key Points

Cite This Study

Salinity strengthens plant–pollinator mutualism through leaf physiological status in grafted tomatoes

Discussion

Member takes

Implication

Key Points

Cite This Study

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