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Polytenization in the antipodal nuclei of wheat (Triticum aestivum L.), triticale (x Triticosecale Wittm.) and their reciprocal crosses



Polytenization in the antipodal nuclei of wheat (Triticum aestivum L.), triticale (x Triticosecale Wittm.) and their reciprocal crosses



Acta Biologica Cracoviensia Series Botanica 34-35(0): 43-57



The antipodals of the mature embryo sacs of wheat (Tricum aestivum L.) and triticale (x Triticosecale Wittm.), as well as those of the embryo sacs developing after reciprocal cross pollination of these taxa were investigated. In a single embryo sac there were on average 14 antipodals in triticale and 18.5 in wheat. The endoreduplication cycles were stated in the antipodal nuclei. Before the pollination they led to a maximum degree of ploidy 8n in triticale and 16n in wheat.

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Accession: 009942843

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