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Proc Natl Acad Sci U S A. Dec 15, 1992; 89(24): 12194–12197.

Resource choice in Cuscuta europaea.


Individual stems with growing tips of dodder (Cuscuta europaea) were transplanted onto host plants (hawthorn) of varying nutritional status. The parasite was more likely to coil on ("accept") hosts of high nutritional status and grow away from ("reject") hosts of poor quality. Dodder exhibits this acceptance/rejection response before taking up any food from the host, so it is possible to dissociate active choice from the passive effects of growth and mortality. Probability of acceptance is gauged to expected reward.

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  • Salzman AG. Habitat selection in a clonal plant. Science. 1985 May 3;228(4699):603–604. [PubMed]
  • Granato TC, Raper CD., Jr Proliferation of maize (Zea mays L.) roots in response to localized supply of nitrate. J Exp Bot. 1989 Feb;40(211):263–275. [PubMed]

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    Resource choice in Cuscuta europaea.
    Proceedings of the National Academy of Sciences of the United States of America. Dec 15, 1992; 89(24)12194

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