ISHS Acta Horticulturae 424: II International Rose Symposium
IMPACT OF GROWTH CONDITIONS ON YIELD AND QUALITY OF CUT ROSES |
| Authors: | C. Ménard, B. Dansereau |
| Abstract:
The general objective of this project is to study the impact of pre-harvest growth conditions (supplementary lighting: high pressure sodium (HPS), metal halide (MH); fertilization) on the yield and quality of greenhouse roses. Results pertaining to harvest period of January 1 to April 29, 1993 and cultivars 'After Glow' and 'Royalty' show that yield and quality index were significantly affected by supplemental light treatments and fertilization. Supplemental light treatments (HPS: 110%, MH: 68%) generated greater yields than ambient light conditions regardless of cultivars. | |
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