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Free keywords:
Carbon/nutrient theory; induced defenses; n-15; nicotiana sylvestris; nicotine; optimal defense theory
Carbon nutrient balance; wild tobacco; plants; consequences; metabolism; costs
Abstract:
Nicotine is thought to be an excellent example of a ''mobile'' (sensu Coley et al. 1985) plant defense metabolite: it is synthesized in the roots, transported to leaves, and reported to be metabolically labile, with a half-life of <24 h. In a companion