Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 407150
Title Kwantificeren effecten CO2 doseren bij Anthurium
Author(s) Garcia Victoria, N.
Source Bleiswijk : Wageningen UR Glastuinbouw (Rapporten GTB 1080) - 54
Department(s) WUR GTB Teelt & Bedrijfssystemen
Publication type Research report
Publication year 2011
Keyword(s) anthurium andraeanum - cultivars - kooldioxideverrijking - kassen - sierplanten - nederland - carbon dioxide enrichment - greenhouses - ornamental plants - netherlands
Categories Ornamental Plants
Abstract CO2 enrichment is not a year round practice in the cultivation of Anthurium andreanum in The Netherlands, but is mostly related to the heat demand in the greenhouse, which means that there is only sufficient CO2 available when the heating is on. Because of great efforts on energy saving measures, the number of hours in which CO2 is supplied has been only declining in the recent years. The expected benefits of CO2 dosage, based on growers experience, are too low to justify the investment and running costs of a system with continuous CO2 dosage, especially in times of very low flower prices. To evaluate whether the actual cost of continuous CO2 supply can be paid back by extra production and quality, a one year lasting greenhouse experiment was designed in which 2 levels of CO2 (500 ppm and 800 ppm) were continuously supplied to the varieties of Anthurium andreanum ‘Tropical’ and ‘Midori’ and compared to ambient level (+/- 380 ppm). The experiment has shown that CO2 enrichment with 800 ppm significantly affects the number of harvested ‘Midori’ flowers (+10%), but does not significantly affects production numbers in ‘Tropical’. However, flower diameter, stem length, flower fresh and dry weight are positively affected in both cultivars. Because of the better prices paid for the flowers with bigger diameters, is the CO2 enrichment economically interesting for ‘Tropical’. ‘Midori’ prices are less affected by the flower diameter, and therefore is the economic result of enrichment only economically interesting for the 800 ppm, Supply of 500 ppm has too little impact on production and quality to be interesting. The results suggest also that there might be room for improvement of the CO2 supply (a better match between demand and supply).
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