Nature Plant Self-Defense To protect against herbivores, wild
tobacco plants deposit sweet but deadly secretions. Details
Episode: Plant Self-Defense To protect against herbivores the
wild tobacco plant deposits trichomes, sweet treats irresistible
to but also potentially fatal for leaf-eating caterpillars.
Shortly after ingesting the trichomes, the insect releases a
particular odor that attracts ground-foraging predators. "What
Plants Talk About" premieres Wednesday, April 3 at 8/7c on PBS
(check local listings).• Visit the Plant Self-Defense webpage
Premiere Date: 04/03/2013 Episode Expires: Never TV Rating: NR
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