Abstract
In order to explore the effects of deficit irrigation (DI) on yield and quality of solar greenhouse multiple-trusses tomato and determinate optimal deficit irrigation scheduling, a field experiment was conducted with different water deficit levels applied at three growth stages, i.e. seedling stage, flowering and fruit development stage and fruit maturation and fruit harvesting stage. The results showed that based on the normal irrigation amount of 21mm (CK), applying 1/3 or 2/3 irrigation amount of CK at seedling stage did not affect the tomato yield and quality; applying 1/3 or 2/3 irrigation amount of CK at fruit maturation and harvesting stage significantly improved tomato fruit quality, but decreased market yield by 48.2% and 38.0% respectively, which resulted in water use efficiency (WUE) drop. Considering the yield, quality and water saving amount, applying 1/3 irrigation amount of CK at the flowering and fruit development stage, normal irrigation at other growth stages, i.e. totally 12 irrigation times with 196 mm, could obtain the comprehensive objects of higher fruit quality, acceptable yield and water saving, which could be recommended as the suitable deficit irrigation scheduling for the multiple trusses tomato in solar greenhouse spring to summer season cropping season.
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Claims 8
Claim · model-written summary
One-third irrigation at the seedling stage did not affect yield and quality.
- Taxon
- tomato
Solanum lycopersicume0 - Organ / stage
- seedling stagee0
- Treatment
- 1/3e0
- Outcome
- tomato yield and qualitye0
- Direction
- did not affecte0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applying 1/3 or 2/3 irrigation amount of CK at seedling stage did not affect the tomato yield and quality”
Claim · model-written summary
Two-thirds irrigation at the seedling stage did not affect yield and quality.
- Taxon
- tomatoSolanum lycopersicume0
- Organ / stage
- seedling stagee0
- Treatment
- 2/3 irrigation amount of CKe0
- Outcome
- tomato yield and qualitye0
- Direction
- did not affecte0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applying 1/3 or 2/3 irrigation amount of CK at seedling stage did not affect the tomato yield and quality”
Claim · model-written summary
One-third irrigation during maturation and harvest improved fruit quality.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- 1/3e0
- Outcome
- fruit qualitye0
- Direction
- improvede0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applying 1/3 or 2/3 irrigation amount of CK at fruit maturation and harvesting stage significantly improved tomato fruit quality”
Claim · model-written summary
Two-thirds irrigation during maturation and harvest improved fruit quality.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- 2/3 irrigation amount of CKe0
- Outcome
- fruit qualitye0
- Direction
- improvede0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applying 1/3 or 2/3 irrigation amount of CK at fruit maturation and harvesting stage significantly improved tomato fruit quality”
Claim · model-written summary
One-third irrigation at maturation reduced market yield by 48.2%.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 1/3e1
- Outcome
- market yielde0
- Direction
- decreasede0
- Value
- 48.2%e0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased market yield by 48.2% and 38.0% respectively”
t0“tomato”
e1“applying 1/3 or 2/3 irrigation amount of CK at fruit maturation and harvesting stage”
Claim · model-written summary
Two-thirds irrigation at maturation reduced market yield by 38.0%.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 2/3 irrigation amount of CKe1
- Outcome
- market yielde0
- Direction
- decreasede0
- Value
- 38.0%e0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased market yield by 48.2% and 38.0% respectively”
t0“tomato”
e1“applying 1/3 or 2/3 irrigation amount of CK at fruit maturation and harvesting stage”
Claim · model-written summary
Deficit irrigation during maturation and harvest lowered water use efficiency.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- water use efficiency (WUE)e0
- Direction
- drope0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“which resulted in water use efficiency (WUE) drop”
t0“tomato”
Claim · model-written summary
The authors recommend one-third irrigation during flowering and fruit development with normal irrigation at other stages.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 1/3 irrigation amount of CK at the flowering and fruit development stagee0
- Outcome
- suitable deficit irrigation schedulinge0
- Value
- 196 mme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applying 1/3 irrigation amount of CK at the flowering and fruit development stage, normal irrigation at other growth stages, i.e. totally 12 irrigation times with 196 mm, could obtain the comprehensive objects of higher fruit quality, acceptable yield and water saving, which could be recommended as the suitable deficit irrigation scheduling”
t0“tomato”
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