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Vase life of some cut flowers following fumigation with phosphine
Ist Teil von
Journal of agricultural and food chemistry, 1997-01, Vol.45 (1)
Erscheinungsjahr
1997
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Phosphine (PH3) is a potential alternative fumigant to methyl bromide for insect disinfestation of cut flowers. King protea (Protea cynaroides L.), tulip (Tulipa gesneriana 'Apeldoorn'), kangaroo paw (Anigazanthos manglesii Hook.), and geraldton wax (Chamelaucium uncinatum 'Purple Pride') were fumigated with PH3 at varying-concentrations (100 to 8000 microliter.L-1) for 2, 4, or 6 hours. Vase life was evaluated at 20 degrees Celsius, 65% relative humidity, and constant illumination with a photosynthetically active radiation of 15 micromole.m-2.s-1. No significant change in vase life was observed for kangaroo paws after any of the PH3 fumigations. A 6-hour fumigation at 8000 microliter.L-1 significantly reduced vase life in king protea, tulip, and geraldton wax flower. Geraldton wax flower and tulip were relatively sensitive to PH3, as they were damaged by 4000 microliter.L-1 for 6 hours and 8000 microliter.L-1 for 4 hours, respectively. Phosphine has potential as an insect disinfestation fumigant for king protea, tulip, and kangaroo paw at 4000 microliter.L-1 for 6 hours without affecting vase life or causing damage