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2 results for “flower closure”
Data from: Rapid flower closure of Drosera tokaiensis deters caterpillar herbivory
<p>Certain plants exhibit rapid movement in response to mechanical stimulation; however, the ecological functions of this behaviour are largely unknown. Here, we show that the rapid flower closure of <em>Drosera tokaiensis</em> (Droseraceae) in response to mechanical stimulation functions as a physical defence against a specialist herbivore <em>Buckleria paludum</em> (Pterophoridae) caterpillar. Following feeding damage on fruits, flowers, flower stalks, and buds by <em>B. paludum</em>, <em>D. tokaiensis</em> closed its flowers nine times faster than during natural circadian closure. The extent of damage to ovules was significantly reduced when the flowers were able to close compared with the condition in which closure was physically inhibited by application of a resin. Nonetheless, flower closure had no effect on the feeding damage to stamens and pistils and promoted further damage to petals. Given that feeding on petals, stamens, and pistils had no significant effect on the number of mature seeds, rapid flower closure leading to the protection of ovules had an overall positive effect on the reproductive success of <em>D. tokaiensis</em>. Our study showed rapid plant movement as a novel case of induced physical defence against herbivory.</p>
Data from: Rapid flower closure of Drosera tokaiensis deters caterpillar herbivory
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