บทคัดย่องานวิจัย

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Senescence symptoms after emasculation vary among Cymbidium cultivars.

Suh, J.N., Ohkawa K. and Kwack, B.H.

HortScience, Volume 33, Number 4, July 1998. pp. 590-606 .

1998

บทคัดย่อ

Senescence symptoms after emasculation vary among Cymbidium cultivars.

Response of cut Cymbidium flowers to emasculation was investigated. All Cymbidium cultivars that we examined produced ethylene during senescence. There were marked cultivar differences in the changes of fresh weight, ethylene production, and lip coloration after emasculation. In the case of 'Venus', flower emasculation did not alter fresh weight, ethylene production, or lip coloration. There were differences in ACC oxidase in vivo activity among the three cultivars before and after emasculation. There was a correlation between the initial ACC oxidase activity and time to lip coloration in the emasculated flowers, but not in control flowers. It was suggested that the initial ACC oxidase activity of the column may be related to flower response to emasculation rather than vase life during senescence.