Abstract
Eggplant (Solanum melongena L.) is a plant native to tropical regions of Southeast Asia. The water crisis and drought on the one hand and eggplant greenhouse crop development as one of the most popular fruit vegetables for people on the other hand, led to the need for more research on the use of saline water and water stress to optimize salinity level and their impact on eggplant evapotranspiration and encounter better yield and crop quality. The objective of the present study was to investigate the interactions of water salinity and hydroponic growth medium on qualitative and quantitative properties of eggplant and its water-use efficiency. The study used the factorial experiment based on completely randomized design with three replications of four levels of water salinity (electrical conductivity of 0.8 (control), 2.5, 5, and 7 dS m−1) and three growth media (cocopeat, perlite, and a 50–50 mixture of the two by volume). Total yield, yield components, evapotranspiration, and water-use efficiency were determined during two growing periods, one each in 2012 and 2013. All of these indices decreased significantly as water salinity increased. Water with of 0.8 dS m−1 produced an average eggplant yield of 2510 g per plant in 2012 and 2600 g in 2013. The highest yield was observed in cocopeat. Water with 7 dS m−1 reduced yield to 906 g per plant in 2012 and to 960 g in 2013. Lowest yield was observed in perlite. The highest evapotranspiration values occurred in cocopeat at the lowest salinity in both years. Cocopeat and the cocopeat–perlite mixture were equally good substrates. The mixture significantly improved the quantitative and qualitative properties of eggplant yield.
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Claims 10
Claim · model-written summary
Increasing water salinity significantly decreased total yield, yield components, evapotranspiration, and water-use efficiency.
- Taxon
- eggplant
Solanum melongenat0 - Treatment
- water salinity increasede0
- Outcome
- Total yield, yield components, evapotranspiration, and water-use efficiencye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total yield, yield components, evapotranspiration, and water-use efficiency were determined during two growing periods, one each in 2012 and 2013. All of these indices decreased significantly as water salinity increased.”
t0“eggplant”
Claim · model-written summary
At 0.8 dS m−1, average eggplant yield was 2510 g per plant in 2012.
- Taxon
- eggplantSolanum melongenae0
- Treatment
- 0.8 dS m−1e0
- Outcome
- eggplant yielde0
- Value
- 2510 g per plante0
- Qualifier
- 2012e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water with of 0.8 dS m−1 produced an average eggplant yield of 2510 g per plant in 2012 and 2600 g in 2013.”
Claim · model-written summary
At 0.8 dS m−1, average eggplant yield was 2600 g in 2013.
- Taxon
- eggplantSolanum melongenae0
- Treatment
- 0.8 dS m−1e0
- Outcome
- eggplant yielde0
- Value
- 2600 ge0
- Qualifier
- 2013e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water with of 0.8 dS m−1 produced an average eggplant yield of 2510 g per plant in 2012 and 2600 g in 2013.”
Claim · model-written summary
Cocopeat produced the highest yield.
- Taxon
- eggplantSolanum melongenat0
- Treatment
- cocopeate0
- Outcome
- yielde0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest yield was observed in cocopeat.”
t0“eggplant”
Claim · model-written summary
At 7 dS m−1, eggplant yield fell to 906 g per plant in 2012.
- Taxon
- eggplantSolanum melongenat0
- Treatment
- 7 dS m−1e0
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 906 g per plante0
- Qualifier
- 2012e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water with 7 dS m−1 reduced yield to 906 g per plant in 2012 and to 960 g in 2013.”
t0“eggplant”
Claim · model-written summary
At 7 dS m−1, eggplant yield fell to 960 g in 2013.
- Taxon
- eggplantSolanum melongenat0
- Treatment
- 7 dS m−1e0
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 960 ge0
- Qualifier
- 2013e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water with 7 dS m−1 reduced yield to 906 g per plant in 2012 and to 960 g in 2013.”
t0“eggplant”
Claim · model-written summary
Perlite produced the lowest yield.
- Taxon
- eggplantSolanum melongenat0
- Treatment
- perlitee0
- Outcome
- yielde0
- Direction
- Loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lowest yield was observed in perlite.”
t0“eggplant”
Claim · model-written summary
Cocopeat with the lowest salinity had the highest evapotranspiration in both years.
- Taxon
- eggplantSolanum melongenat0
- Treatment
- cocopeat at the lowest salinitye0
- Outcome
- evapotranspiration valuese0
- Direction
- higheste0
- Qualifier
- both yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest evapotranspiration values occurred in cocopeat at the lowest salinity in both years.”
t0“eggplant”
Claim · model-written summary
Cocopeat and cocopeat–perlite mixture were equally good substrates.
- Taxon
- eggplantSolanum melongenat0
- Treatment
- cocopeat–perlite mixturee0
- Outcome
- equally good substratese0
- Direction
- equally goode0
- Comparator
- Cocopeate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cocopeat and the cocopeat–perlite mixture were equally good substrates.”
t0“eggplant”
Claim · model-written summary
The cocopeat–perlite mixture significantly improved quantitative and qualitative properties of eggplant yield.
- Taxon
- eggplantSolanum melongenae0
- Treatment
- mixturee0
- Outcome
- quantitative and qualitative properties of eggplant yielde0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mixture significantly improved the quantitative and qualitative properties of eggplant yield.”
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See all 7 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.