Abstract
Pickersgill and Bunting say1 that the natural dispersal of the sweet potato is severely limited, for many varieties seldom flower and set seed even more rarely. Although this may be true for the United States2 and Japan3, sweet potatoes are recorded to set seed abundantly in St Vincent4 and only one in 100 clones failed to flower in Java5.
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References
Pickersgill, B., and Bunting, A. H., Nature, 222, 225 (1969).
Miller, J. C., J. Hered., 28, 347 (1937).
Cuthbertson, R. E., and Boulware, J. H., GHQ Supreme Command for Allied Powers (Japan) Natural Resources Section Rep. No. 145 (1951).
Rep. Dep. Agric. St Vincent, 9 (1919).
Van Schreven, A. C., Pember. Balai Besar Penjel. Pertan. Bogor. No. 139, 44 (1954).
Gooding, H. J., Emp. J. Exp. Agric., XXXII, No. 128, 279 (1964).
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GOODING, H. Cultivated Plants and the Kon-Tiki Theory. Nature 223, 185 (1969). https://doi.org/10.1038/223185a0
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DOI: https://doi.org/10.1038/223185a0
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