Interaction of methyl jasmonate and 1-aminocyclopropane-1-carboxylic acid (ACC) in regulation of some physiological processes in uncooled and cooled tulip bulbs
M. Saniewski, L. Kawa-Miszczak, E. Wegrzynowicz-Lesiak, A. Miszczak, J. Ueda, K. Miyamoto
ISHS Acta Horticulturae 624:233-241
2003
บทคัดย่อ
Interaction of methyl jasmonate and 1-aminocyclopropane-1-carboxylic acid (ACC) in regulation of some physiological processes in uncooled and cooled tulip bulbsIt has been found previously that methyl jasmonate (JA-Me) applied in lanolin paste induced gummosis in bulbs, stems and basal part of leaves of tulips. In this work we report the interaction of JA-Me with ACC in regulation of the following physiological processes in uncooled and cooled, derooted bulbs of ‘Apeldoorn’ and ‘Oxford’ tulips: gum induction, ethylene production, ACC oxidase activity, anthocyanin accumulation, and CO2 evolution. JA-Me greatly increased ethylene production from simultaneously applied ACC, through stimulation of ACC oxidase activity, in comparison to ACC applied alone. ACC evidently inhibited anthocyanin accumulation induced by JA-Me applied simultaneously. CO2 evolution was similar after treatment with JA-Me and ACC. Simultaneous application of JA-Me + ACC increased CO2 evolution in uncooled derooted bulbs in comparison to JA-Me and ACC applied alone. Similarly, as was previously reported, simultaneous application of JA-Me with ACC induced gum formation more than these compounds applied individually. Thus, interaction between JA-Me and ACC (ethylene) is synergistic or antagonistic in regulation of some physiological processes in tulips.