- Marjoland shows improved yield and quality in its production facility with hybrid lighting setup
- Philips GreenPower LED toplighting compact and -linear are available with a very high efficacy of up to 2 µmol/s
- Research trials at Delphy Improvement Centre with a full LED installation and a mature Red Naomi! crop have resulted in the successful light recipe, delivering good quality in combination with good production.
- The light recipe helps improve leaf quality, bud size, length, number of stems and thickness.
Marjoland, one of the largest rose growers in the Netherlands, has achieved the highest quality and a higher production for its Red Naomi! Roses by using the dedicated rose light recipe for its hybrid lighting installation provided by Signify (Euronext: LIGHT), the world leader in lighting. Previously, research has shown that it was possible to either get a higher quality rose or improve the production level of the crop. Marjoland shows improved yield and quality in its production facility with the hybrid lighting setup.
“With 20% more light we have a significant higher production, with a more uniform quality. By using Signify’s LED lighting, with the light spectrum especially designed for roses, we’re able to lower our energy consumption and at the same time deliver a more homogeneous quality of roses to our customers all year round,” says Daniel van den Nouweland, General Director at Marjoland.
With 20 hectares, Marjoland is one of the largest growers in the Netherlands growing five varieties of roses. The family business decided to start with LEDs in a hybrid lighting setup – a combination of HPS and LED lighting – for its Red Naomi! crop, thereby increasing the light level from 230 µmol/m2/s to 330 µmol/m2/s LED. Thanks to this combination of HPS/LED, Marjoland has uncovered the secret to producing the best quality roses at a higher production level to meet its customer demand. The Philips GreenPower LED toplighting compact and -linear, with the dedicated light recipe for roses, are available with a very high efficacy of up to 3.2 µmol/s.
To develop the ultimate light recipe, separate trials were conducted at Delphy under full LED lighting. The research shows that the light recipe has a positive influence on leaf quality and bud size. Moreover, the buds of the roses are over 50 mm in length and can be preserved for more than 10 days during winter. The number of stems is good, with about 6,2 stems per m2 per week. The improved output, consumption and efficacy of the modules combined gives many opportunities for rose growers to increase their light intensity and reduce electricity consumption while maintaining the right balance between production and quality.
“We’re very proud that our research in collaboration with Delphy and WUR has resulted in the successful rose light recipe for the Red Naomi!. This gives rose growers like Marjoland the opportunity to produce top class roses and increase their light levels. The switch to LED is even more interesting now either for use with an existing HPS set-up and trellis construction, or for building a new installation,” says Udo van Slooten, Business Leader Horticulture at Signify.