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New Methods of Utilizing Wheat and Rye Germ Plasm in Triticale Breeding 1
Author(s) -
Sisodia N. S.,
McGinnis R. C.
Publication year - 1970
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1970.0011183x001000020014x
Subject(s) - triticale , biology , secale , hybrid , agronomy , germ plasm , germ , plant breeding , selection (genetic algorithm) , artificial intelligence , computer science , microbiology and biotechnology
Two new methods of Triticale breeding are proposed viz . (i) Hybridizing the sterile F 1 hybrids (ABDR) obtained from hexaploid wheat, Triticum sp. (AABBDD) ✕ rye, Secale sp. (RR) crosses with hexaploid Triticale (AABBRR) and (ii) crossing the pentaploid wheat (AABBD) ✕ rye (RR) sterile hybrids with AABBRR. Cytological screening of progenies for desired chromosome types and/or selection of more fertile Triticale‐like plants should result in the derivation of stable hexaploid Triticale lines. These methods, thus, eliminate the need of synthesizing wheat ✕ rye amphiploids as a means of introducing variability in the breeding populations. Because these methods greatly reduce cytological work and have other desirable features, they should be useful for rapidly improving Triticale even where laboratory facilities are minimal.