『The Tomato Conspiracy』のカバーアート

The Tomato Conspiracy

The Tomato Conspiracy

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Your tomato flowers are keeping a secret. They lock their pollen inside a sealed yellow cone and offer no nectar at all, waiting for a visitor that can shake the pollen loose. In this episode, we explore buzz pollination: how bumblebees fire their flight muscles with their wings folded to vibrate flowers open, why there's no single magic frequency, why honey bees don't do it, and how this trick evolved about forty-five separate times across bees. We look at what a buzzing bee actually adds to a tomato that can pollinate itself, how bumblebees transformed greenhouse tomato growing, and how to hear buzz pollination happening in your own garden.www.secretpollinators.comKEY SOURCES & DOIsTomato flower structure and self-pollination AHDB, "Tomato flower structure and fertilization" (anthers release pollen through longitudinal slits). https://potatoes.ahdb.org.uk/knowledge-library/tomato-flower-structure-and-fertilisationSwitzer, C.M., & Combes, S.A. (2017). Bumblebee sonication behavior changes with plant species and environmental conditions. Apidologie, 48, 223–233. DOI: 10.1007/s13592-016-0467-1 (~8% of flowering plants, ~20,000 species, with poricidal anthers)University of Maryland Extension, "Tomato Pollination and Bumblebee Visits" (2023) (wind is usually enough for field pollination; bees increase fruit set)Buzz mechanics Woodrow, C., Jafferis, N., Kang, Y., & Vallejo-Marín, M. (2024). Current Biology, 34(18), 4104–4113. DOI: 10.1016/j.cub.2024.07.044 (buzz bursts of 100–400 Hz lasting 200–2,000 ms; used here for background only)Rosi-Denadai, C.A., et al. (2020). Buzz-pollination in Neotropical bees: genus-dependent frequencies and lack of optimal frequency for pollen release. Insect Science, 27, 133–142. DOI: 10.1111/1744-7917.12602Pritchard, D.J., & Vallejo-Marín, M. (2020). Floral vibrations by buzz-pollinating bees achieve higher frequency, velocity, and acceleration than flight and defense vibrations. Journal of Experimental Biology, 223, jeb220541. DOI: 10.1242/jeb.220541Harder, L.D., & Barclay, R.M.R. (1994). The functional significance of poricidal anthers and buzz pollination: controlled pollen removal from Dodecatheon. Functional Ecology, 8, 509–517. DOI: 10.2307/2390076Morgan, T., Whitehorn, P., Lye, G.C., & Vallejo-Marín, M. (2016). Floral sonication is an innate behavior in bumblebees that can be fine-tuned with experience in manipulating flowers. Journal of Insect Behavior, 29, 233–241. DOI: 10.1007/s10905-016-9553-5Honey bees and evolutionKing, M.J., & Buchmann, S.L. (2003). Floral sonication by bees: mesosomal vibration by Bombus and Xylocopa, but not Apis, ejects pollen from poricidal anthers. Journal of the Kansas Entomological Society, 76, 295–305Stroh, E.L. (2025). Characterizing bee communities and pollen limitation in Indiana specialty crops. PhD thesis, Purdue University. https://hammer.purdue.edu/articles/thesis/Characterizing_bee_communities_and_pollen_limitation_in_Indiana_specialty_crops/27910515Stroh, E., Leach, A., Mateos-Fierro, Z., & Kaplan, I. (2024). Distinct pollinator communities persist among co-flowering specialty crops in Indiana. Journal of Pollination Ecology, 37, 269–283. DOI: 10.26786/1920-7603(2024)808Cardinal, S., Buchmann, S.L., & Russell, A.L. (2018). The evolution of floral sonication, a pollen foraging behavior used by bees (Anthophila). Evolution, 72, 590–600. DOI: 10.1111/evo.13446Cooley, H., & Vallejo-Marín, M. (2021). Journal of Economic Entomology, 114(2), 505. DOI: 10.1093/jee/toab009 ("more than half of all bee species can buzz pollinate")What the buzz is worth, and greenhouse history Cooley, H., & Vallejo-Marín, M. (2021). Buzz-pollinated crops: a global review and meta-analysis of the effects of supplemental bee pollination in tomato. Journal of Economic Entomology, 114(2), 505. DOI: 10.1093/jee/toab009 (71 experiments; +64.72% fruit weight with buzz-pollinating bees, +85.37% with open pollination; non-buzzing bees, auxin, and mechanical vibration not significant)Velthuis, H.H.W., & van Doorn, A. (2006). A century of advances in bumblebee domestication and the economic and environmental aspects of its commercialization for pollination. Apidologie, 37, 421–451 (40,000 ha of tomatoes pollinated by bumblebees in 2004)Ohio State University Extension, "Bumble Bee Pollination in Tomato Greenhouses," ENT-0092 (common eastern bumblebee most widely used in North America)Precision pollination review, Agronomy 12(2):518 (2022), citing truss-vibration and pulsating air-jet studies (historical mechanical pollination). https://www.mdpi.com/2073-4395/12/2/518Cool-weather flightHeinrich, B. (2004). Bumblebee Economics (rev. ed.). Harvard University Press (pre-flight warm-up by shivering flight muscles)#GardenTruth #PollinatorFacts #MindBlown#s#SecretPollinators #Bumblebees #BuzzPollination #WildBees #NativeBees #TomatoGarden #BeeScience #BeeBehavior #SciencePodcast #tomatoes #buzzpollination #gardens #wildbees #vegetablegarden
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