Obtaining tetraploids from hybrids of maize (Zea mays) and teosinte (Euchlaena mexicana) and their incomplete back crosses

Karivanov, G.P.

Bul. Akad.Stiince RSSMold., Ser. biol. i khim. n, Moldavian, 5, 51-56


Accession: 014585062

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Experiments were carried out with F1 hybrids from crosses of maize with teosinte and their back crosses to maize. A total of 19 hybrid and back-cross combinations were treated with colchicine. The F1 hybrids showed greater seedling mortality and a greater number of chimaeras than the back crosses. Only half of the total number of chimerical plants set tetraploid seed.