Buzz pollination
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For a Minnesota band called Sonicate see Sonicate (music).
Sonication or buzz pollination is a technique used by some bees to release pollen which is more or less firmly held by the anthers, which makes pollination more efficient. The anther of buzz pollinated species of plants is typically tubular, with only an opening at one end, and the pollen is inside - smooth-grained and firmly attached. With self fertile plants such as tomato, wind may be sufficient to shake loose the pollen through pores in the anther and accomplish pollination. Visits by bees may also shake loose some pollen. However, the most efficient pollination is accomplished by a few species who specialize in sonication or buzz pollination.
In order to release the pollen, bumblebees and some species of solitary bees are able to grab onto the flower and move their flight muscles rapidly, causing the flower and anthers to vibrate, dislodging pollen. This resonant vibration is called buzz pollination. The honeybee rarely performs buzz pollination. About 8% of the flowers of the world are primarily pollinated using buzz pollination. The following plants are pollinated more efficiently by buzz pollination:
- all Dodecatheon - shooting stars
- many members of the Solanaceae family
- * many species of the genus Solanum
- ** eggplants
- ** potatoes
- ** tomatoes
- ** Solanum cinereum, an Australian shrub
- * Hibbertia
- * Dianella - Flax lily
- Some members of the genus Vaccinium
- * blueberries
- * cranberries
- Arctostaphylos - manzanita
Photos and more complete explanation at the Tucson USDA bee lab: Why is that bee giving me the "raspberry?" [link]
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