Abstract
This paper studies the effects of temporally heterogenous shading on phenology, fruit set and yield of tomatoes. 3 double-ranks of tomatoes were cultivated in a northwest-southeast non-heated plastic tunnel greenhouse. The central double-rank was covered by a shading net, providing morning shading to the western rank, midday shading to the central rank and afternoon shading to the eastern rank. Midday shading decreased the tomato fresh mass production by 21 %, but increased the marketable rate of fruits, resulting in an only 4% marketable production reduction. Fresh production for morning and afternoon shading was in-between, but afternoon shading achieved an even 5% better marketable production than control. The fresh production loss was related to a lower number of fruits, which can be due to a slower production of trusses by the plants of the shaded treatments. Shading did not influence fruit loss after flowering. Anticipating the relation between panel-induced shading and microclimate, and tomato yield is useful to choose panel-stirring policies for dynamic agrivoltaism, as well as for deciding the plant spatial organization in tomato greenhouses.
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Claims 9
Claim · model-written summary
Midday shading reduced tomato fresh mass production by 21%.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- Midday shadinge0
- Outcome
- tomato fresh mass productione0
- Direction
- decreasede0
- Value
- 21 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“Midday shading decreased the tomato fresh mass production by 21 %”
Claim · model-written summary
Midday shading increased the marketable rate of tomato fruits.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Midday shadinge0
- Outcome
- marketable rate of fruitse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“Midday shading decreased the tomato fresh mass production by 21 %, but increased the marketable rate of fruits”
Claim · model-written summary
Midday shading reduced marketable production by only 4%.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- marketable productione0
- Direction
- reductione0
- Value
- 4%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“resulting in an only 4% marketable production reduction”
Claim · model-written summary
Morning shading gave intermediate fresh production.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- morninge0
- Outcome
- Fresh productione0
- Direction
- in-betweene0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“Fresh production for morning and afternoon shading was in-between”
Claim · model-written summary
Afternoon shading gave intermediate fresh production.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- afternoon shadinge0
- Outcome
- Fresh productione0
- Direction
- in-betweene0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“Fresh production for morning and afternoon shading was in-between”
Claim · model-written summary
Afternoon shading raised marketable production by 5% relative to control.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- afternoon shadinge0
- Outcome
- marketable productione0
- Direction
- bettere0
- Value
- 5%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“afternoon shading achieved an even 5% better marketable production than control”
Claim · model-written summary
Fresh production loss was associated with fewer fruits.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- fruitse0
- Outcome
- fresh production losse0
- Direction
- losse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The fresh production loss was related to a lower number of fruits”
Claim · model-written summary
Shaded plants may produce trusses more slowly, explaining fewer fruits.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- shaded treatmentse0
- Outcome
- lower number of fruitse0
- Qualifier
- slower production of trussese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“a lower number of fruits, which can be due to a slower production of trusses by the plants of the shaded treatments”
Claim · model-written summary
Shading did not influence fruit loss after flowering.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- after floweringe0
- Treatment
- Shadinge0
- Outcome
- fruit losse0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“Shading did not influence fruit loss after flowering”
The same questions in other papers
shade · quality: postharvest · Solanum lycopersicum (tomato)Results differ
10 papers in the same direction as this paper · 2 in the opposite direction
- positive
- negative
- no effect
9 papers more in this group
See all 13 papers →shade · yield · Solanum lycopersicum (tomato)Results differ
17 papers in the same direction as this paper · 26 in the opposite direction
- negative
- negative
- positive
40 papers more in this group
See all 44 papers →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.