Abstract
Tomato cultivation in the greenhouse or field may experience high surplus salts, including magnesium (Mg2+), which may result in differences in the growth and metabolite composition of fruits. This study hypothesized that decreasing the supply of nutrients and/or water would enhance tomato fruit quality in soils with excess Mg2+ that are frequently encountered in the field and aimed to find better supply conditions. For tomato plants cultivated in plastic pots using a plastic film house soil, the fertilizer supply varied in either the nitrogen (N) or potassium (K) concentration, which were either 0.1 (lowest) or 0.75 times (lower) than the standard fertilizer concentrations. Water was supplied either at 30 (sufficient) or 80 kPa (limited) of the soil water potential. Lycopene content on a dry-weight basis (mg/kg) was enhanced by the combination of lowest N supply and sufficient water supply. However, this enhancement was not occurred by the combination of the lowest N supply and limited water supply. Sugars and organic acids were decreased by limiting the water supply. Therefore, we carefully suggest that an adjustment of nitrogen with sufficient watering could be one of strategies to enhance fruit quality in excess Mg2+ soils.
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Claims 4
Claim · model-written summary
Lowest nitrogen and sufficient water increased dry weight lycopene content.
- Taxon
- Tomato
Solanum lycopersicumt0 - Treatment
- combination of lowest N supply and sufficient water supplye0
- Outcome
- Lycopene content on a dry-weight basis (mg/kg)e0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tomato”
e0“Lycopene content on a dry-weight basis (mg/kg) was enhanced by the combination of lowest N supply and sufficient water supply”
Claim · model-written summary
Lowest nitrogen with limited water did not enhance lycopene content.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- combination of the lowest N supply and limited water supplye0
- Outcome
- enhancemente0
- Direction
- not occurrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tomato”
e0“this enhancement was not occurred by the combination of the lowest N supply and limited water supply”
Claim · model-written summary
Limited water reduced fruit sugars and organic acids.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- limiting the water supplye0
- Outcome
- Sugars and organic acidse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tomato”
e0“Sugars and organic acids were decreased by limiting the water supply”
Claim · model-written summary
The authors suggest adjusting nitrogen with sufficient watering to enhance fruit quality in excess magnesium soil.
- Taxon
- TomatoSolanum lycopersicumt0
- Outcome
- an adjustment of nitrogen with sufficient wateringe0
- Qualifier
- could be one of strategies to enhance fruit quality in excess Mg2+ soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tomato”
e0“we carefully suggest that an adjustment of nitrogen with sufficient watering could be one of strategies to enhance fruit quality in excess Mg2+ soils”
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