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Submitter

Aidan
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SUPPORT TOPIC File Information

Submitted: Jul 07 2011 07:54 PM
Last Updated: Nov 25 2011 02:18 PM
File Size: 99.42K
Views: 334
Downloads: 1

Download Carnivory in the Teasel Dipsacus fullonum — The Effect of Experimental Feeding on Growth and Seed Set

Dipsacus Dipsacus fullonum

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Abstract

The teasel, Dipsacus fullonum is known to catch invertebrates in its water filled leaf bases, but experimental testing of
reproductive benefits of this have been lacking. We report the effects of insect supplementation/removal and water
removal during spring/summer on Dipsacus in two field populations. There were no significant treatment effects on
biomass, but addition of dead dipteran larvae to leaf bases caused a 30% increase in seed set and the seed mass:biomass
ratio. This study provides the first empirical evidence for reproductive benefit from carnivory in Dipsacus fullonum.