| 摘要 |
<p>PURPOSE:To effectively produce mutant of colocasia antiquorum by treating shoot apex of colocasia antiquorum to mutagenesis, separating said mutant and raising by aseptic culture. CONSTITUTION:Shoot apex of colocasia antiquorum is delivered, mutation is induced by treating said delivered apex with mutagen, resultant mutant is separated and raised by aseptic culture. Colocasia antiquorum to be said applying object is mainly colocasia antiquorum belonging to YATSUGASHIRA or EGUIMO group. YATSUGASHIRA group is well-known as the most tasty type among the types of colocasia antiquorum and a type of produced from old time. Besides, EGUIMO group is shipped to market after early maturing varieties such as ISHIKAWA WASE as late maturing variety and a type having strong cold resistance. Methyl nitrosourethane, sodium azide or ethyl methanesulfonic acid, etc., is used as mutagen.</p> |
