Effects of interlighting on yield and external fruit quality in year-round cultivated cucumber

Hovi-Pekkanen, Tiina; Tahvonen, Risto

doi:10.1016/j.scienta.2007.11.010

Cited by 80 publications

(67 citation statements)

References 23 publications

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“…Moreover, it has been applied to improve rose plant growth, bud break, flowering bud development, vase life, flower quality, and yield in the greenhouse (Bredmose 1993;Roberts et al 1993;Fjeld et al 1994;Blom-Zandstra et al 1995;Maas and Bakx 1995;Mortensen and Gislerùd 1999;Harada and Komagata 2014). The similar benefits given by supplementary lighting have been also reported on the cultivation of horticultural crops (Gunnlaugsson and Adalsteinsson 2006;Hovi-Pekkanen and Tahvonen 2008;Pettersen et al 2010). Similarly, the effects of CO 2 on roses have also been well documented (Urban et Interestingly, the combination of supplementary lighting and CO 2 led to improved flower stem production and quality in Alstroemeria compared to supplementary lighting alone (Van Labeke and Dambre 1998).…”

Section: Discussionmentioning

confidence: 81%

Combined effects of supplementary light and CO₂on rose growth and the production of good quality cut flowers

et al. 2016

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The effects of supplementary lighting with high-pressure sodium (HSP) lamps alone or in combination with carbon dioxide (CO 2 ) 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 CO 2 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 CO 2 . This is the first study to examine the beneficial effects of combined supplementary lighting and CO 2 conditions, and the resulting information is essential to rose growers and commercial production.

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Section: Discussionmentioning

confidence: 81%

Combined effects of supplementary light and CO₂on rose growth and the production of good quality cut flowers

et al. 2016

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“…Inter-lighting, performed by putting lamps in the row in between the canopy, leads to higher light intensities in the lower part of the canopy. This has been successfully used in a number of vegetable crops (Hovi-Pekkanen et al, 2006;Hovi-Pekkanen and Tahvonen, 2008;Trouwborst et al, 2009). This lighting strategy irradiates both the adaxial (upper) and abaxial (lower) leaf sides.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Irradiating Adaxial or Abaxial Side on Photosynthesis of Rose Leaves

Paradiso¹,

Marcelis²

2012

Acta Hortic.

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In many cropping systems most of the light irradiates the adaxial side of leaves. However, in cropping systems with intra canopy lighting a reasonable fraction of light may irradiate even the abaxial side of the leaves. The aim of this study was to investigate the effect of irradiating the abaxial leaf side compared to irradiating the adaxial side, in rose plants grown in glasshouse with the bending technique. The instantaneous effects on the optical properties and the light response of photosynthesis were analysed in intact leaves. Results demonstrated that the rate of net photosynthesis was higher when leaves were lighted from the adaxial side compared to the abaxial side. This was the consequence of both a higher light absorption and higher quantum yield (photosynthesis per unit absorbed light) in adaxial-lighted leaves.

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“…They concluded that interlighting had no effect on yield of tomato 'Geysir', while 45% interlighting combined with 55% toplighting gave highest yield on tomato 'Espero' compared to toplighting only. Hovi-Pekkanen and Tahvonen (2008) showed in their experiments that indeed interlighting gave higher light intensities with the middle and lower layers of the crop depending on crop height and the amount of interlighting applied. In their extended study they showed that interlighting resulted in higher yield and better quality of cucumber especially in spring, but not significantly in the summer crop.…”

Section: Interlightingmentioning

confidence: 99%

Use of Natural and Artificial Light in Horticulture - Interaction of Plant and Technology

Hemming¹

2011

Acta Hortic.

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In intensive horticultural cultivation natural light levels often limit crop production during several periods. For an optimum plant production and product quality light intensity, spectrum and photoperiod have to be adapted to the needs of the crops at every moment. Light has to be optimised together with all other growth factors like temperature, humidity and CO 2 . For a sustainable greenhouse production the use of freely available sunlight has to be preferred. New transparent greenhouse covering materials, like ETFE, glass with new anti-reflection coatings or materials with micro-surface structures, transmit a very high amount of light into the greenhouse. Other new materials are able to scatter the incoming light and make it diffuse. Diffuse light penetrates deeper into the canopy, increases light interception by the crop, influences micro-climate and increases crop production by 6.5-9.2% in The Netherlands, the potential in lower latitudes is even higher. Other materials manipulate light spectrum. Photoselective nettings have been developed in different colours influencing morphogenesis and crop production. Fluorescent plastic films combine effects on morphogenesis with high light transmission, especially important for higher latitudes. When sunlight is optimized it can still be necessary to add artificial light to ensure a year-round supply of horticultural products. There is still room for improving the crop energy efficiency under artificial lighting by changing duration and intensity of lighting, different growing systems and plant densities. Since artificial lighting requires a high amount of energy, new artificial lighting systems have been developed, such as interlighting and light emitting diodes (LED). LED give the possibility for true light spectrum control in the future. The (partial) replacement of HPS lamps by LED systems is currently under investigation in Dutch greenhouses. Integration in current growing systems has full attention. In order to reach a high sustainable and economic beneficial production the factor light has to be integrated and optimized within the total horticultural system.

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Effects of interlighting on yield and external fruit quality in year-round cultivated cucumber

Cited by 80 publications

References 23 publications

Combined effects of supplementary light and CO₂on rose growth and the production of good quality cut flowers

Combined effects of supplementary light and CO₂on rose growth and the production of good quality cut flowers

The Effect of Irradiating Adaxial or Abaxial Side on Photosynthesis of Rose Leaves

Use of Natural and Artificial Light in Horticulture - Interaction of Plant and Technology

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Effects of interlighting on yield and external fruit quality in year-round cultivated cucumber

Cited by 80 publications

References 23 publications

Combined effects of supplementary light and CO2on rose growth and the production of good quality cut flowers

Combined effects of supplementary light and CO2on rose growth and the production of good quality cut flowers

The Effect of Irradiating Adaxial or Abaxial Side on Photosynthesis of Rose Leaves

Use of Natural and Artificial Light in Horticulture - Interaction of Plant and Technology

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Combined effects of supplementary light and CO₂on rose growth and the production of good quality cut flowers

Combined effects of supplementary light and CO₂on rose growth and the production of good quality cut flowers