Cytogenetical studies of some backcross derivatives of Gossypium hirsutum x G. anomalum

Sharif, A.; Islam, A.S.

Canad. J. Genet. Cytol., 1970. 12: 454-60

1970


Accession: 014407430

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Abstract
Aimed at breeding for resistance to Empoasca devastans, a 6x hybrid obtained from a colchicine-doubled G. hirsutum 'M4' x G. anomalum F1 was back crossed twice to M4. In the BC1 three plants with 60, 62 and 55 chromosomes respectively, were found. G. anomalum chromosomes were rapidly eliminated in subsequent generations of 60 and 62-chromosome plants to give plants with 54 and 53 chromosomes.