Cytogenetic studies on the species Allium cepa L., Allium fistulosum L. and their hybrids

Ionescu, A.

Cercetari de Genetica Vegetala si Animala 1: 211-218

1989


Accession: 001791242

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Abstract
In the interspecific hybrids, multivalents and univalents were seen at metaphase I of PMC meiosis in addition to bivalents. The number of univalents/cell was 1.6-2.27. The number of bivalents was 5.55-6.65 (vs. 7.36-8 in A. fistulosum). A correlation was found between fertility and the frequency of anomalies at meiosis. The hybrids inherited resistance to Phoma terrestris as a dominant trait.