Abstract
The study of the formation of embryonic structures in Pinus sibirica forms with a one-year reproductive cycle showed that the acceleration of the embryonic process manifested itself as a reduction of the coenocytic stage of the female gametophyte development (1.5 months instead of 1 year). The egg was not fertilized because of the asynchronous maturation of male and female gametophytes. Seeds without embryos were formed. We assumed that the acceleration of the reproductive process in Pinus sibirica was caused by a mutation in the female generative organs.
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Original Russian Text © I.N. Tret’yakova, N.V. Lukina, 2016, published in Ontogenez, 2016, Vol. 47, No. 1, pp. 49–56.
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Tret’yakova, I.N., Lukina, N.V. Acceleration of embryonic development of Pinus sibirica trees with a one-year reproductive cycle. Russ J Dev Biol 47, 41–48 (2016). https://doi.org/10.1134/S1062360416010069
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DOI: https://doi.org/10.1134/S1062360416010069