Twofold Increase in Strawberry Productivity by Integration of Environmental Control and Movable Beds in a Large-scale Greenhouse

Hidaka, Kota; Dan, Kazuhiro; Miyoshi, Yuta; Imamura, Hitoshi; Takayama, Tomohiko; Kitano, Masaharu; Sameshima, Kunichika; Okimura, Makoto

doi:10.2525/ecb.54.79

Cited by 27 publications

(16 citation statements)

References 17 publications

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“…In an effort to avoid the down-regulation of photosynthesis, previous studies have shown that the down-regulation of leaf photosynthesis in tomato plants only occurred when the number of sinks was considerably reduced under elevated CO2 treatment (Qian et al, 2012). Furthermore, Hidaka et al (2016) suggested that adjusting the timing of initiation of CO2 enrichment to correspond with the sink strength of plants can increase fruit yield. For this new local CO2 enrichment system, further studies are necessary to adjust the timing and strength of CO2 enrichment and to promote photosynthate translocation to sink organs in order to increase fruit yield.…”

Section: Performance and Effectiveness Of The Systemmentioning

confidence: 99%

Effects of Local CO<SUB>2</SUB> Enrichment on Strawberry Cultivation during the Winter Season

Miyoshi

Hidaka

Okayasu

et al. 2017

Environmental Control in Biology

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Section: Performance and Effectiveness Of The Systemmentioning

confidence: 99%

Effects of Local CO<SUB>2</SUB> Enrichment on Strawberry Cultivation during the Winter Season

Miyoshi

Hidaka

Okayasu

et al. 2017

Environmental Control in Biology

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“…In particular, supplemental lighting should be an effective way of achieving this under conditions which provide insufficient light. For example, Hidaka et al (2016) achieved a twofold increase in strawberry yield through the combined application of LED lighting and CO 2 enrichment. As similar effects on crop growth and yield have been demonstrated previously by a variety of other studies (Martine et al, 1990;Andre et al, 1996;Demers et al, 1998;Hidaka et al, 2013), these techniques should be considered as essential for crop production in protected horticulture.…”

Section: Introductionmentioning

confidence: 99%

Effects of supplemental lighting during the period of rapid fruit development on the growth, yield, and energy use efficiency in strawberry plant production

Yoneda¹,

Yasutake²,

Hidaka³

et al. 2020

Int. Agrophys.

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Supplemental lighting techniques in greenhouses can increase plant growth and yield but require substantial amounts of energy. We proposed the use of energy-saving supplemental lighting, which was applied during rapid fruit development when the transport of photosynthetic products into the fruit was active. We measured the physiological responses (photosynthesis, growth, yield) of the strawberry plants with single fruit truss, wherein the following 3 treatments were made: plants were cultivated with no supplemental lighting (control), supplemental lighting throughout the experimental period (normal-light), and supplemental lighting during rapid fruit development (short-light). The period of rapid fruit development corresponded to 33% of the experimental period, and the cumulative light intensity for the short-light treatment was half of that for the normal-light treatment, and twice that of the control treatment. Consequently, the leaf area and dry weight of the plant body were significantly increased following normal-light and short-light treatments compared with the control treatment. The yield for the short-light treatment was also increased and nearly equal to that of the normal-light treatment but no significance to the control treatment. However, the energy use efficiency of the short-light was improved 1.5-fold compared to the normal-light treatment. Thus, shortening the period of supplemental lighting in accordance with the characteristics of fruit development is potentially effective.

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“…Control of atmospheric carbon dioxide, known to increase strawberry yield, is used widely in strawberry cultivation greenhouses (Lieten, 1997;Wada et al, 2010). Temperature management is also important for obtaining high yields of strawberries (Hidaka et al, 2016). On the basis of the environmental information in greenhouses, producers can continuously control the environment.…”

Section: Introductionmentioning

confidence: 99%

Quantification of Strawberry Plant Growth and Amount of Light Received Using a Depth Sensor

Takahashi¹,

Takayama²,

Umeda

et al. 2020

Environmental Control in Biology

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Temperature control, fertilization management and long-day treatments are commonly implemented to achieve optimal growth control in strawberry (Fragaria ϫ ananassa Duch.). Control of these parameters has typically relied on visual evaluation of plants by producers. For advanced production control, it is necessary to continuously monitor growth and amounts of light received. In this study, we quantified the height of strawberry plants, and leaf area receiving direct sunlight in different leaf layers over time using Kinect, a depth sensor. Data from the sensor enabled evaluation of temporal changes in plant height and of the differences in the stratification of strawberry plants grown in greenhouses at two different low nighttime temperatures. The amount of light received by different layers of the entire plant community could be estimated from sensor measurements, and was directly correlated with yield and dry weight. Our results demonstrate that a depth sensor like Kinect can quantify essential information on strawberry growth and amounts of light received. Further improving the accuracy of measurement by sensors could lead to the development of effective cultivation management methods based on the amount of photosynthesis and growth of plants.

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Twofold Increase in Strawberry Productivity by Integration of Environmental Control and Movable Beds in a Large-scale Greenhouse

Abstract: 2) with a movable bed system, the fruit yield per unit land area achieved was 10.7 kg m 2 (10.7 t / 10 a), which represented a more than two-fold increase in yield compared with that attained in a conventional stationary bed system.

Cited by 27 publications

References 17 publications

Effects of Local CO<SUB>2</SUB> Enrichment on Strawberry Cultivation during the Winter Season

Effects of Local CO<SUB>2</SUB> Enrichment on Strawberry Cultivation during the Winter Season

Effects of supplemental lighting during the period of rapid fruit development on the growth, yield, and energy use efficiency in strawberry plant production

Quantification of Strawberry Plant Growth and Amount of Light Received Using a Depth Sensor

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