School of Life Sciences University 226019;
Plant Cytogenetics and Molecular Biology Group of Biology and Environmental Protection of Natural Sciences of Silesia in Katowice 40-032;
College of Agriculture Agriculture and Forestry University 350002;
Sugar Crops Research Institute Research Center 12111;
Oilseeds Research Program Agricultural Research Centre 44000;
AUTOPOLYPLOIDY; Saccharum spontaneum; Meiosis I; Chromosome behavior; Chromosome pairing;