DEVELOPING OF NEW DONORS OF THE COTTON ON THE BASE OF INTERSPECIFIC HYBRIDIZATION
S. Namazov, A. Muratov, A. Aliev, S. Boboev
The Uzbek Scientific Research Institute of Cotton Breeding and Seed Production University street, Salar, Kibray district, Tashkent region, Uzbekistan
Резюме
The further development of selection on improvement of cultivars should be based on improving commercial cultivars and developing of new methods of creation of forms with participation of wild species of cotton - sources of useful traits where the leading part should belong to interspecific hybridization [1-3]. In this connection, studying of genetics of interspecific hybrids of cotton directed to synthesizing of valuable recombinants with agronomic-valuable traits and using them in practical selection is actual problem. The results received during research can have essential value at developing of cultivars with wide genetic potential. However, many aspects of this important problem, in particular technique of research works with valuable recombinants, received in selection process by composite hybridization, when undesirable properties of wild species segregate during long generation are insufficiently investigated [4].
Key words: Interspecific and composite hybridization, Commercial cultivars, Diploid, tetraploid hybrids, Weight of 1 boll, Weight 1000 piece of seeds, Length of a fibre, Gin turnout, Biological nursery, Selection nursery