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Science 29 June 1990:
Vol. 248. no. 4963, pp. 1631 - 1633
DOI: 10.1126/science.248.4963.1631
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Articles

Influence of Environmental Quality on Pollen Competitive Ability in Wild Radish

Helen J. Young 1 and Maureen L. Stanton 1

1 Department of Botany, University of California, Davis, CA 95616

Pollen of Raphanus raphanistrum produced under low nutrient conditions sired fewer seeds than pollen produced under better conditions when the two types were applied on a stigma together. No difference was seen in single-donor crosses. Male mating success can be strongly influenced by the environmental conditions of pollen-bearing plants, a factor overlooked in studies of plant reproductive biology and in standard quantitative genetic crossing designs, where effects of male parent are equated with heritable genetic variation.

Accepted on April 25, 1990


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Does differential seed siring success change over time or with pollination history in wild radish, Raphanus sativus (Brassicaceae)?.
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The effect of timing of pollination on the mating system and fitness ofKalmia latifolia (Ericaceae).
M. A. Levri (1998)
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Pollen donor performance can be consistent acrossmaternal plants in wild radish (Raphanus sativus,Brassicaceae): a necessary condition for the action of sexualselection.
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Am. J. Botany 85, 1389-1397
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Science. ISSN 0036-8075 (print), 1095-9203 (online)