Sodium‐enriched nectar shapes plant–pollinator interactions in a subalpine meadow

Ecology and Evolution, Год журнала: 2024, Номер 14(7)

Опубликована: Июль 1, 2024

Many plants have evolved nutrient rewards to attract pollinators flowers, but most research has focused on the sugar content of floral nectar resources. Concentrations sodium in (a micronutrient low concentrations nectar) can vary substantially both among and within co-occurring species. It is hypothesized that might play an important underappreciated role plant-pollinator interactions, especially because many animals, including pollinators, are limited nature. Yet, consequences variation remain largely unexplored. Here, we investigate whether enriching with influences composition, diversity, frequency interactions. We experimentally enriched four plant species a subalpine meadow Colorado, USA. found flowers sodium-enriched received more visits from greater diversity throughout season. Different pollinator foraged frequently showed evidence other changes foraging behavior, dietary evenness. These findings consistent "salty hypothesis," providing for importance limitation suggesting even small constituents shape

Язык: Английский

Rootstock Effects on Tomato Fruit Composition and Pollinator Preferences in Tomato

Horticulturae, Год журнала: 2024, Номер 10(9), С. 992 - 992

Опубликована: Сен. 19, 2024

Food security is threatened by climate change and associated abiotic stresses that affect the flowering stage biochemistry of flowers fruits. In tomato, managed insect pollination grafting elite tomato varieties onto robust rootstocks are widely practiced commercially to enhance crop profitability, particularly under suboptimal conditions. However, little known about rootstock–pollinator interactions their impact on chemical composition fruit. this study, a commercial F1 hybrid (Solanum lycopersicum L.) was self-grafted grafted set experimental cultivated optimal saline (75 mM NaCl) conditions in presence bumblebee pollinators (Bombus terrestris). The number visits (VN) total visiting time (TVT) different plants were monitored through an RFID (radio-frequency identification) tracking system, while targeted metabolites (hormones, sugars, organic amino acids) mineral analyzed fruit juice UHPLC-MS ICP-OES, respectively. Pollinator foraging decisions influenced genotype salinity treatment. Experimental predominantly increased pollinator attraction compared variety. Interestingly, parameters positively with concentration abscisic acid, salicylic malate fumarate, tyrosine salinized Moreover, high accumulation sodium detected fruits most visited pollinators, rootstock genotype-specific responses found for nitrogen potassium concentrations. addition effect yield, these findings underscore synergic between rootstocks, environmental stressors composition.

Язык: Английский