Supplementary lighting of pot chrysanthemums cultivated under low level o real insolation
Marek Jerzy,
Agricultural Academy in PoznańWłodzimierz Breś
Agricultural Academy in PoznańPiotr Pawlak
Agricultural Academy in PoznańAbstract
Three cultivars of pot chrysanthemums (’Springfield’, ’Kodiak’ and ’Baton Rouge’) were supplementary illuminated with sodium lamps during November and December – 2 hours before sunset and 2 hours after sunset. Quantum irradiance was 60 mol m-2 s-1. Illuminated plants flowered 36–52 days earlier. Quality of plants was improved.
Keywords:
pot chrysanthemums, supplementary lighting, photoperiodic responseReferences
Andersson N. E., 1990. Effect of level and duration of supplementary light on development of chrysanthemum. Scientia Hortic. 44, 163–169.
Cockshull K. E., Hughes A. P., 1971. Supplementary lighting of year-round chrysanthemums. Acta Hortic. 22, 211–220.
Cocshull K. E., Hughes A. P., 1968. First two weeks of short-day treatment are critical with chrysanthemums. The Grower 70.
Cockshull K. E., Hughes A. P., 1971. The effects of light intensity at different stages in flower initiation and development of Chrysanthemum morifolium. Ann. Bot. 35, 915–926.
Cockshull K. E., Hughes A. P., 1972. Flower formation in Chrysanthemum morifolium: the influence of light level. J. Hortic. Sci. 47, 113–127.
Hughes A. P., Cockshull K. E., 1971. A comparison of the effects of diurnal variation in light intensity with constant light intensity on growth of Chrysanthemum morifolium ‘Bright Golden Anne’. Ann. Bot. 35, 927–932.
Jerzy M., Borkowska J., 2003. Rytmika wzrostu i kwitnienia chryzantemy wielkokwiatowej (Dendranthema grandiflora Tzvelev) w całorocznej uprawie doniczkowej. Zesz. Probl. Post. Nauk Roln. 491, 111–123.
Machin B., 1997. Pot chrysanthemum production. Grower Guide 5, 3–74.
Cockshull K. E., Hughes A. P., 1971. Supplementary lighting of year-round chrysanthemums. Acta Hortic. 22, 211–220.
Cocshull K. E., Hughes A. P., 1968. First two weeks of short-day treatment are critical with chrysanthemums. The Grower 70.
Cockshull K. E., Hughes A. P., 1971. The effects of light intensity at different stages in flower initiation and development of Chrysanthemum morifolium. Ann. Bot. 35, 915–926.
Cockshull K. E., Hughes A. P., 1972. Flower formation in Chrysanthemum morifolium: the influence of light level. J. Hortic. Sci. 47, 113–127.
Hughes A. P., Cockshull K. E., 1971. A comparison of the effects of diurnal variation in light intensity with constant light intensity on growth of Chrysanthemum morifolium ‘Bright Golden Anne’. Ann. Bot. 35, 927–932.
Jerzy M., Borkowska J., 2003. Rytmika wzrostu i kwitnienia chryzantemy wielkokwiatowej (Dendranthema grandiflora Tzvelev) w całorocznej uprawie doniczkowej. Zesz. Probl. Post. Nauk Roln. 491, 111–123.
Machin B., 1997. Pot chrysanthemum production. Grower Guide 5, 3–74.
Marek Jerzy,
Agricultural Academy in Poznań
Agricultural Academy in Poznań
Włodzimierz Breś
Agricultural Academy in Poznań
Agricultural Academy in Poznań
Piotr Pawlak
Agricultural Academy in Poznań
Agricultural Academy in Poznań
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