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Self-Fertility and Seed Set in Natural Populations of Anthoxanthum odoratum L.
Lin Wu and Subodh Jain
Vol. 141, No. 3 (Sep., 1980), pp. 300-304
Published by: The University of Chicago Press
Stable URL: http://www.jstor.org/stable/2474418
Page Count: 5
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The breeding system in Anthoxanthum odoratum populations from a perennial grassland was investigated for the occurrence of self-fertility. Several experimental tests consistently showed a very low frequency of self-fertility, less than 0 2%. No plant had a high rate of selfing. Plants raised from selfed seed showed inbreeding depression in terms of high seedling mortality. Variation in seed set among populations in their natural habitat appeared to result from differences in their population structure. Further research on the role of self-fertility in the colonizing ability of A. odoraium is discussed.
Botanical Gazette © 1980 The University of Chicago Press