Publication Date

1985

Location

Kyoto Japan

Description

An effective method for producing chromosome substitutional triticale lines was proposed. Selection was made on hypoaneuploid plants from primary octoploid triticale population by use of the nature of spontaneous chromosome elimination owing to its meiotic instability. Five lines selected by this method were tested for their performance as grain feed and supplemental forage to other triticale, wheat, rye and barley cultivars. The selected lines S78 and S591 produced higher grain yield than other small grains, though not significant with other triticale cultivars. Lysine contents of the selected lines were intermediate between parental crops. S78 was the most promising line having the highest protein yield and dry matter weight. These results indicate that this method is effective for developing feed cultivars of triticale, when locally adapted lines are chosen as the parental lines for the source octoploid triticale population.

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Development of Chromosome Substitution Triticale Lines and their Utility Value as Feed

Kyoto Japan

An effective method for producing chromosome substitutional triticale lines was proposed. Selection was made on hypoaneuploid plants from primary octoploid triticale population by use of the nature of spontaneous chromosome elimination owing to its meiotic instability. Five lines selected by this method were tested for their performance as grain feed and supplemental forage to other triticale, wheat, rye and barley cultivars. The selected lines S78 and S591 produced higher grain yield than other small grains, though not significant with other triticale cultivars. Lysine contents of the selected lines were intermediate between parental crops. S78 was the most promising line having the highest protein yield and dry matter weight. These results indicate that this method is effective for developing feed cultivars of triticale, when locally adapted lines are chosen as the parental lines for the source octoploid triticale population.