Appearance of Trimolters in Bombyx mori due to the Adiministration of Kojic Acid during Young Larval Stages
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概要
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Effects of the oral administration of kojic acid on the growth and number of larval molts in the silkworm, Bombyx mori, were investigated. Administration of a diet containing kojic acid to 2nd or 3rd instar larvae caused prolongation of the feeding period and resulted in the appearance of larger following instar larvae. In both cases, precocious maturation often occurred at the end of the 4th (penultimate) instar, even when the larvae were returned to a standard diet without kojic acid. If molt retardation in the 4th instar was prevented by the injection of molting hormone, no trimolters appeared and the treated larvae molted in the 5th instar. These results suggest that overgrowth prior to the 4th instar is responsible for trimolters in young larvae fed a diet containing kojic acid.
- 社団法人日本動物学会の論文
- 1979-03-25