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• W4379966181 abstract "Premise Reproductive fitness in plants is often determined by the quantity and quality of pollen transferred by pollinators. However, many fitness studies measure only female fitness or rely on proxies for male fitness. Here we assessed how five bee taxon groups affect male fitness in a prairie plant by quantifying pollen removal, visitation, and siring success using paternity assignments and a unique pollinator visitation experiment. Methods In Echinacea angustifolia, we measured per-visit pollen removal for each pollinator taxon and estimated the number of pollen grains needed for successful ovule fertilization. Additionally, we directly measured pollinator influence on siring by allowing only one bee taxon to visit each pollen-donor plant, while open-pollinated plants acted as unrestricted pollen recipients. We genotyped the resulting offspring, assigned paternity, and used aster statistical models to quantify siring success. Results Siring success of pollen-donor plants differed among the five pollinator groups. Nongrooming male bees were associated with increased siring success. Bees from all taxa removed most of the flowering head's pollen in one visit. However, coneflower-specialist bee Andrena helianthiformis removed the most pollen per visit. Female fitness and proxy measures of male fitness, such as pollinator visitation and pollen removal, did not align with our direct quantifications of male fitness. Conclusions Our results illustrate the need for more studies to directly quantify male fitness, and we caution against using male fitness proxy measures. In addition, conservation efforts that preserve a diverse pollinator community can benefit plants in fragmented landscapes." @default.
• W4379966181 created "2023-06-10" @default.
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• W4379966181 date "2023-06-01" @default.
• W4379966181 modified "2023-09-25" @default.
• W4379966181 title "Pollinators differ in their contribution to the male fitness of a self‐incompatible composite" @default.
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• W4379966181 doi "https://doi.org/10.1002/ajb2.16190" @default.
• W4379966181 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37293762" @default.
• W4379966181 hasPublicationYear "2023" @default.
• W4379966181 type Work @default.
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