Abstract
The integration of semi-transparent photovoltaics into the roof of greenhouses is an emerging technique used in recent years, due to the simultaneous energy and food production from the same piece of land. Although shading in many cases is a solution to maintain the desired microclimate, in the case of photovoltaic installations, the permanent shading of the crop is a challenge, due to the importance of light to the growth, morphogenesis, and other critical physiological processes. In this study, the effect of shade from semi-transparent photovoltaics on a strawberry crop (Fragaria x ananassa Duch.) was examined, in terms of growth and quality (phenolic and flavonoid concentration of fruits). According to the results, in non-shaded plants, there was a trend of larger plants, but without a significant change in leaf number, while the total number of flowers was slightly higher at the end of the cultivation period. Moreover, it was found that the percentage change between the number of ripe fruits was smaller than that of the corresponding change in fruit weight, implying the increased size of the fruits in non-shaded plants. Finally, regarding the antioxidant capacity, it was clearly demonstrated that shading increased the total phenolic content, as well as the free-radical-scavenging activity of the harvested fruits. Although the shading from the semi-transparent photovoltaics did not assist the production of large fruits, it did not affect their number and increased some of their quality characteristics. In addition, the advantageous impact of the semi-transparent photovoltaics in the energy part must not be neglected.
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Claims 9
Claim · model-written summary
Non-shaded strawberry plants showed a trend toward larger plants, without a significant change in leaf number.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- shade from semi-transparent photovoltaicse0
- Outcome
- growthe5
- Direction
- trend of larger plantse1
- Comparator
- non-shaded plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
t0“Strawberry Plants”
e0“the effect of shade from semi-transparent photovoltaics on a strawberry crop”
e1“According to the results, in non-shaded plants, there was a trend of larger plants, but without a significant change in leaf number, while the total number of flowers was slightly higher at the end of the cultivation period”
e5“in terms of growth and quality”
Claim · model-written summary
Shade from semi-transparent photovoltaics did not change strawberry leaf number significantly.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- shade from semi-transparent photovoltaicse0
- Outcome
- leaf numbere1
- Direction
- without a significant changee1
- Comparator
- non-shaded plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e0“the effect of shade from semi-transparent photovoltaics on a strawberry crop”
e1“According to the results, in non-shaded plants, there was a trend of larger plants, but without a significant change in leaf number, while the total number of flowers was slightly higher at the end of the cultivation period”
Claim · model-written summary
Non-shaded strawberry plants had slightly more flowers in total at the end of cultivation.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- shade from semi-transparent photovoltaicse0
- Outcome
- total number of flowerse1
- Direction
- slightly highere1
- Comparator
- non-shaded plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e0“the effect of shade from semi-transparent photovoltaics on a strawberry crop”
e1“According to the results, in non-shaded plants, there was a trend of larger plants, but without a significant change in leaf number, while the total number of flowers was slightly higher at the end of the cultivation period”
Claim · model-written summary
The authors infer increased fruit size in non-shaded strawberry plants in greenhouses with semi-transparent photovoltaics.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- size of the fruitse2
- Direction
- increasede2
- Setting
- greenhousese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e2“implying the increased size of the fruits in non-shaded plants”
e6“the integration of semi-transparent photovoltaics into the roof of greenhouses”
Claim · model-written summary
Shading increased the total phenolic content of strawberry fruits relative to non-shaded plants.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- shadinge3
- Outcome
- total phenolic contente3
- Direction
- increasede3
- Comparator
- non-shaded plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e1“According to the results, in non-shaded plants, there was a trend of larger plants, but without a significant change in leaf number, while the total number of flowers was slightly higher at the end of the cultivation period”
e3“it was clearly demonstrated that shading increased the total phenolic content, as well as the free-radical-scavenging activity of the harvested fruits”
Claim · model-written summary
Shading increased the free-radical-scavenging activity of strawberry fruits relative to non-shaded plants.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- shadinge3
- Outcome
- free-radical-scavenging activitye3
- Direction
- increasede3
- Comparator
- non-shaded plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e1“According to the results, in non-shaded plants, there was a trend of larger plants, but without a significant change in leaf number, while the total number of flowers was slightly higher at the end of the cultivation period”
e3“it was clearly demonstrated that shading increased the total phenolic content, as well as the free-radical-scavenging activity of the harvested fruits”
Claim · model-written summary
Shading from semi-transparent photovoltaics did not assist the production of large strawberry fruits.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- the shading from the semi-transparent photovoltaicse4
- Outcome
- production of large fruitse4
- Direction
- did not assiste4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e4“Although the shading from the semi-transparent photovoltaics did not assist the production of large fruits, it did not affect their number and increased some of their quality characteristics”
Claim · model-written summary
Shading from semi-transparent photovoltaics did not affect the number of strawberry fruits.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- the shading from the semi-transparent photovoltaicse4
- Outcome
- their numbere4
- Direction
- did not affecte4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e4“Although the shading from the semi-transparent photovoltaics did not assist the production of large fruits, it did not affect their number and increased some of their quality characteristics”
Claim · model-written summary
Shading from semi-transparent photovoltaics increased some quality characteristics of strawberry fruits.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- the shading from the semi-transparent photovoltaicse4
- Outcome
- quality characteristicse4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Strawberry Plants”
e4“Although the shading from the semi-transparent photovoltaics did not assist the production of large fruits, it did not affect their number and increased some of their quality characteristics”
The same questions in other papers
shade · growth · Fragaria x ananassa (strawberry)Results differ
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- negative
- no effect
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See all 11 papers →shade · quality: phytochemicals · Fragaria x ananassa (strawberry)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
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shade · yield · Fragaria x ananassa (strawberry)Positive and negative results
7 papers in the same direction as this paper · 7 in the opposite direction
- negative
- positive
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11 papers more in this group
See all 15 papers →shade · quality: general · Fragaria x ananassa (strawberry)Results agree
1 paper in the same direction as this paper
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.