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Autogamy in the American strain of witchweed, striga asiatica (scrophulariaceae)

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An Erratum to this article was published on 01 April 1979

Abstract

American plants ofStriga asiatica (witchweed), a serious pathogen of corn and other grains that was accidentally introduced to the Carolinas in the 1950’s, exhibit a form of autogamy in which fertilization occurs before the corolla opens. Pollen is shed on the stigma while the flowers are still in bud. Pollen grains germinate immediately and by the time the corolla is open fertilization has occurred. Examination of a native population of the same species in Nigeria revealed no autogamy.

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Literature Cited

  • Hepper, F. N. 1963. Scrophulariaceae.In: J. Hutchinson & J. M. Dalziel. Flora of West Tropical Africa. Second edition. Crown Agents for Overseas Governments. London.

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  • Hosmani, M. M. 1978.Striga, a noxious root parasitic weed. Published by the author. University of Agricultural Science, Dharwar, India.

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  • Kondo, K. 1973. The chromosome number ofStriga asiatica andTriphyophyllum peltatum. Phyton 31: 1–2.

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Authors and Affiliations

  1. Department of Biological Sciences, Old Dominion University, 23508, Norfolk, VA

    Daniel L. Nickrent & Lytton J. Musselman

Authors
  1. Daniel L. Nickrent
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  2. Lytton J. Musselman
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Additional information

This work represents part of a thesis submitted to the Graduate School of Old Dominion University in partial fulfilment of the degree of Master of Arts in Biology.

Reprint requests should be addressed to the second author.

An erratum to this article is available at http://dx.doi.org/10.1007/BF02806160.

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Nickrent, D.L., Musselman, L.J. Autogamy in the American strain of witchweed, striga asiatica (scrophulariaceae). Brittonia 31, 253–256 (1979). https://doi.org/10.2307/2806182

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  • DOI: https://doi.org/10.2307/2806182

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