Drastic Changes of Endogenous Phytohormones in Dormant Gladiolus Corms Treated with Methyl Disulfide

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  • 1 Faculty of Agriculture, Shimane University, Nishikawatsu-cho 1060, Matsue, Shimane 690, Japan

Effects of methyl disulfide (MeS2) on sprouting and phytohormones in dormant corms of spring-flowering gladiolus (Gladiolu×Tubergenii Hort. `Charm') were studied. Corms treated with MeS2 sprouted 30 days earlier than nontreated corms. The concentrations of endogenous promoters in the corm tissue increased and inhibitors decreased within 24 h of treatments. High concentration of inhibitors were present in the nontreated corms.

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