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Combined effects of supplementary light and CO2 on rose growth and the production of good quality cut flowers
- Source :
- Canadian Journal of Plant Science. 96:503-510
- Publication Year :
- 2016
- Publisher :
- Canadian Science Publishing, 2016.
-
Abstract
- The effects of supplementary lighting with high-pressure sodium (HSP) lamps alone or in combination with carbon dioxide (CO2) on the growth, yield, and flower stem quality of two rose cultivars (‘Loving Heart’ and ‘Top Grace’) were studied. Compared to natural lighting (control), supplementary lighting alone was beneficial for plant growth, and it increased plant height, stem diameter, and the number of axillary shoots. Furthermore, increases in flower stem yield (>70 cm), flower stem diameter, fresh weight, and the number of petals per flower were also observed. The combination of supplementary lighting and CO2 significantly enhanced all of the studied parameters compared to supplementary lighting alone. Moreover, stomatal density and chlorophyll fluorescence were seemingly affected by either supplementary lighting alone or in combination with CO2. This is the first study to examine the beneficial effects of combined supplementary lighting and CO2 conditions, and the resulting information is essential to rose growers and commercial production.
- Subjects :
- 0106 biological sciences
Sodium
Crop yield
chemistry.chemical_element
04 agricultural and veterinary sciences
Plant Science
Cut flowers
Horticulture
Biology
01 natural sciences
chemistry.chemical_compound
chemistry
Carbon dioxide
Botany
Shoot
040103 agronomy & agriculture
0401 agriculture, forestry, and fisheries
Cultivar
Agronomy and Crop Science
Chlorophyll fluorescence
010606 plant biology & botany
Plant stem
Subjects
Details
- ISSN :
- 19181833 and 00084220
- Volume :
- 96
- Database :
- OpenAIRE
- Journal :
- Canadian Journal of Plant Science
- Accession number :
- edsair.doi...........c553436af640d19632dd750ada88942b