Abstract
ABSTRACT The study was carried out from August 2013 to January 2014 to evaluate growth and production of cherry tomato cultivated under irrigation with water of different salinity levels and fertilized with different nitrogen (N) doses, in experiment conducted in drainage lysimeters under greenhouse conditions, at the Center for Agrifood Science and Technology of the Federal University of Campina Grande. The statistical design was randomized blocks in a 5 x 4 factorial scheme, with three replicates, and the treatments consisted of five levels of electrical conductivity of water (0.3, 1.5, 2.5, 3.5 and 4.5 dS m-1) and four N doses (60, 100, 140 and 180 mg kg-1). Growth and production variables of cherry tomato decrease linearly from the irrigation water salinity of 0.3 dS m-1 on. The longer exposure of plants to salt stress caused the highest reductions, and the root dry matter, leaf area and the number of clusters are the most sensitive variables. The highest value of plant height at 125 days after transplantation was obtained with the N dose of 139 mg kg-1 of soil. Increasing N doses reduced the effect of salinity on cherry tomato growth at 125 days after transplantation.
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Claims 6
Claim · model-written summary
Cherry tomato growth declined linearly as irrigation water salinity increased from 0.3 dS m-1.
- Taxon
- cherry tomato
Solanum lycopersicum var. cerasiformee0 - Treatment
- irrigation water salinitye0
- Outcome
- Growthe0
- Direction
- decrease linearlye0
- Comparator
- 0.3 dS m-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and production variables of cherry tomato decrease linearly from the irrigation water salinity of 0.3 dS m-1 on.”
Claim · model-written summary
Cherry tomato production declined linearly as irrigation water salinity increased from 0.3 dS m-1.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee0
- Treatment
- irrigation water salinitye0
- Outcome
- production variablese0
- Direction
- decrease linearlye0
- Comparator
- 0.3 dS m-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and production variables of cherry tomato decrease linearly from the irrigation water salinity of 0.3 dS m-1 on.”
Claim · model-written summary
Longer salt-stress exposure caused the highest reductions in cherry tomato growth variables.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee1
- Treatment
- longer exposure of plants to salt stresse0
- Outcome
- Growthe1
- Direction
- highest reductionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The longer exposure of plants to salt stress caused the highest reductions”
e1“Growth and production variables of cherry tomato decrease linearly”
Claim · model-written summary
Root dry matter, leaf area and number of clusters were the most salt-sensitive cherry tomato variables.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee1
- Outcome
- root dry matter, leaf area and the number of clusterse0
- Direction
- most sensitivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the root dry matter, leaf area and the number of clusters are the most sensitive variables”
e1“Growth and production variables of cherry tomato decrease linearly”
Claim · model-written summary
At 125 days after transplantation, maximum plant height occurred at 139 mg kg-1 soil nitrogen.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee1
- Treatment
- N dose of 139 mg kg-1 of soile0
- Outcome
- plant heighte0
- Direction
- higheste0
- Qualifier
- 125 days after transplantatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest value of plant height at 125 days after transplantation was obtained with the N dose of 139 mg kg-1 of soil.”
e1“cherry tomato cultivated”
Claim · model-written summary
Increasing nitrogen doses reduced salinity effects on cherry tomato growth at 125 days after transplantation.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee0
- Treatment
- Increasing N dosese0
- Outcome
- effect of salinity on cherry tomato growthe0
- Direction
- reducede0
- Qualifier
- 125 days after transplantatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing N doses reduced the effect of salinity on cherry tomato growth at 125 days after transplantation.”
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