Abstract
IN reviews of the control of fertilization in flowering plants, experimental methods of overcoming self-incompatibility have been discussed1,2. For example, induction of auto-tetraploidy by colchicine produced compatibility in a diploid self-incompatible species of Petunia3, but self-pollination of the excised whole pistils cultured in vitro did not, as one of us has shown4. We report here the elimination of self-incompatibility in the diploid (n = 7) Petunia axillaris (Lam.) B.S.P. by fertilization in vitro, a technique devised in this laboratory5 and improved by us.
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References
Rangaswamy, N. S., in Recent Advances in the Embryology of Angiosperms (edit. by Maheshwari, P.), 327 (Intern. Soc. Plant Morphologists, Delhi, 1963).
Maheshwari, P., and Rangaswamy, N. S., in Advances in Botanical Research (edit. by Preston, R. D.), 2, 219 (Academic Press, London and New York, 1965).
Stout, A. B., and Chandler, C., Science, 94, 118 (1941).
Shivanna, K. R., Phytomorphology, 15, 183 (1965).
Kanta, Kusum, Rangaswamy, N. S., and Maheshwari, P., Nature, 194, 1214 (1962).
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RANGASWAMY, N., SHIVANNA, K. Induction of Gamete Compatibility and Seed Formation in Axenic Cultures of a Diploid Self-incompatible Species of Petunia. Nature 216, 937–939 (1967). https://doi.org/10.1038/216937a0
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DOI: https://doi.org/10.1038/216937a0
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