Effects of Methyl Jasmonate on Anthocyanin Accumulation, Ethylene Production, and CO2 Evolution in Uncooled and Cooled Tulip Bulbs |
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| Authors: | M Saniewski A Miszczak L Kawa-Miszczak E Wegrzynowicz-Lesiak K Miyamoto J Ueda |
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| Institution: | (1) Research Institute of Pomology and Floriculture, Pomologiczna 18, 96-100 Skierniewice, Poland, PL;(2) College of Integrated Arts and Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan, JP |
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| Abstract: | Effects of methyl jasmonate (JA-Me) on anthocyanin accumulation, ethylene production, and CO2 evolution in uncooled and cooled tulips (Tulipa gesneriana L. cvs. Apeldoorn and Gudoshnik) were studied. JA-Me stimulated anthocyanin accumulation in stems and leaves from uncooled
and cooled bulbs of both cultivars. The highest level of anthocyanin accumulation was observed in leaves from cooled bulbs
treated with 200 μL/liter JA-Me. In sprouting bulbs treated with 100 μL/liter and higher concentrations of JA-Me, the ethylene
production began to increase at 3 days after treatment, being extremely greater in uncooled bulbs than in cooled ones. JA-Me
also stimulated CO2 evolution in both cultivars, depending on its concentrations. CO2 evolution in sprouting bulbs was not affected by cooling treatment. These results suggest that anthocyanin accumulation by
JA-Me in tulip leaves is not related to ethylene production stimulated by JA-Me.
Received October 10, 1997; accepted November 17, 1997 |
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| Keywords: | , Anthocyanin—,Bulbs—,CO2—,Ethylene—,Methyl jasmonate—,Tulip |
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