Abstract
A greenhouse experiment was carried out to determine growth, yield, fruit quality, gas exchange and mineral composition of watermelon plants ( Citrullus Lanatus L. `Tex'), either ungrafted or grafted onto two commercial rootstocks `Macis' [ Lagenaria siceraria (Mol.) Standl.] and `Ercole' ( Cucurbita maxima Duchesne × Cucurbita moschata Duchesne) and cultured in NFT. Plants were supplied with a nutrient solution having an electrical conductivity (EC) of 2.0 or 5.2 dS·m –1 . The saline nutrient solution had the same basic composition, plus an additional of 29 m m of NaCl. Increased salinity in the nutrient solution decreased total yield. The reduction in total yield in saline treatments compared to control was due to a reduction in the fruit mean mass and not to the number of fruit per plant. Total fruit yield was 81% higher in grafted than in ungrafted plants. The lowest marketable yield recorded on ungrafted plants was associated with a reduction in both fruit mean mass and the number of fruits per plant in comparison to grafted plants. Salinity improved fruit quality in all grafting combinations by increasing dry matter (DM), glucose, fructose, sucrose, and total soluble solid (TSS) content. Nutritional qualities of grafted watermelons such as fruit DM, glucose, fructose, sucrose, and TSS content were similar in comparison to those of ungrafted plant. In all grafting combinations, negative correlations were recorded between Na + and Cl – in the leaf tissue and net assimilation of CO 2 Grafting reduced concentrations of sodium, but not chloride, in leaves. However, the sensitivity to salinity was similar between grafted and ungrafted plants and the higher total yield from grafting plants was mainly due to grafting per se.
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Claims 15
Claim · model-written summary
Increased salinity decreased total watermelon yield.
- Taxon
- Watermelon
Citrullus lanatust0 - Treatment
- Increased salinitye0
- Outcome
- total yielde0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increased salinity in the nutrient solution decreased total yield.”
t0“Watermelon”
Claim · model-written summary
Saline treatments reduced fruit mean mass relative to control.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- saline treatmentse0
- Outcome
- fruit mean masse0
- Direction
- reductione0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reduction in total yield in saline treatments compared to control was due to a reduction in the fruit mean mass and not to the number of fruit per plant.”
t0“Watermelon”
Claim · model-written summary
The yield reduction under salinity was not attributable to fruit number.
- Taxon
- WatermelonCitrullus lanatust0
- Outcome
- total yielde0
- Qualifier
- not to the number of fruit per plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reduction in total yield in saline treatments compared to control was due to a reduction in the fruit mean mass and not to the number of fruit per plant.”
t0“Watermelon”
Claim · model-written summary
Grafted plants had 81% higher total fruit yield than ungrafted plants.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- graftede0
- Outcome
- Total fruit yielde0
- Direction
- highere0
- Value
- 81%e0
- Comparator
- ungrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total fruit yield was 81% higher in grafted than in ungrafted plants.”
t0“Watermelon”
Claim · model-written summary
Ungrafted plants had the lowest marketable yield, associated with reduced fruit mean mass and fruit number.
- Taxon
- WatermelonCitrullus lanatust0
- Outcome
- marketable yielde0
- Direction
- loweste0
- Qualifier
- a reduction in both fruit mean mass and the number of fruits per plante0
- Comparator
- grafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest marketable yield recorded on ungrafted plants was associated with a reduction in both fruit mean mass and the number of fruits per plant in comparison to grafted plants.”
t0“Watermelon”
Claim · model-written summary
Salinity increased fruit dry matter, glucose and fructose across grafting combinations.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- Salinitye0
- Outcome
- dry matter (DM), glucose, fructosee0
- Direction
- increasinge0
- Qualifier
- all grafting combinationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity improved fruit quality in all grafting combinations by increasing dry matter (DM), glucose, fructose, sucrose, and total soluble solid (TSS) content.”
t0“Watermelon”
Claim · model-written summary
Salinity increased fruit sucrose and total soluble solids across grafting combinations.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- Salinitye0
- Outcome
- sucrose, and total soluble solid (TSS) contente0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity improved fruit quality in all grafting combinations by increasing dry matter (DM), glucose, fructose, sucrose, and total soluble solid (TSS) content.”
t0“Watermelon”
Claim · model-written summary
Grafted and ungrafted watermelons had similar fruit dry matter, glucose and fructose.
- Taxon
- watermelonsCitrullus lanatuse0
- Treatment
- graftede0
- Outcome
- fruit DM, glucose, fructosee0
- Direction
- similare0
- Comparator
- ungrafted plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nutritional qualities of grafted watermelons such as fruit DM, glucose, fructose, sucrose, and TSS content were similar in comparison to those of ungrafted plant.”
Claim · model-written summary
Grafted and ungrafted watermelons had similar sucrose and TSS content.
- Taxon
- watermelonsCitrullus lanatuse0
- Treatment
- graftede0
- Outcome
- sucrose, and TSS contente0
- Direction
- similare0
- Comparator
- ungrafted plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nutritional qualities of grafted watermelons such as fruit DM, glucose, fructose, sucrose, and TSS content were similar in comparison to those of ungrafted plant.”
Claim · model-written summary
Leaf sodium was negatively correlated with net CO2 assimilation across grafting combinations.
- Taxon
- WatermelonCitrullus lanatust0
- Organ / stage
- leaf tissuee0
- Compound
- Na +e0
- Outcome
- net assimilation of CO 2e0
- Direction
- negativee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all grafting combinations, negative correlations were recorded between Na + and Cl – in the leaf tissue and net assimilation of CO 2”
t0“Watermelon”
Claim · model-written summary
Leaf chloride was negatively correlated with net CO2 assimilation across grafting combinations.
- Taxon
- WatermelonCitrullus lanatust0
- Organ / stage
- leaf tissuee0
- Compound
- Cl –e0
- Outcome
- net assimilation of CO 2e0
- Direction
- negativee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all grafting combinations, negative correlations were recorded between Na + and Cl – in the leaf tissue and net assimilation of CO 2”
t0“Watermelon”
Claim · model-written summary
Grafting reduced leaf sodium concentrations.
- Taxon
- WatermelonCitrullus lanatust0
- Organ / stage
- leavese0
- Treatment
- Graftinge0
- Outcome
- concentrations of sodiume0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grafting reduced concentrations of sodium, but not chloride, in leaves.”
t0“Watermelon”
Claim · model-written summary
Grafting did not reduce leaf chloride concentrations.
- Taxon
- WatermelonCitrullus lanatust0
- Organ / stage
- leavese0
- Treatment
- Graftinge0
- Outcome
- chloridee0
- Direction
- no_changeinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grafting reduced concentrations of sodium, but not chloride, in leaves.”
t0“Watermelon”
Claim · model-written summary
Grafted and ungrafted plants had similar salinity sensitivity.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- graftede0
- Outcome
- sensitivity to salinitye0
- Direction
- similare0
- Comparator
- ungrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the sensitivity to salinity was similar between grafted and ungrafted plants”
t0“Watermelon”
Claim · model-written summary
The higher yield of grafted plants was mainly attributed to grafting itself.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- graftinge0
- Outcome
- total yielde0
- Qualifier
- mainly due to grafting per see0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the higher total yield from grafting plants was mainly due to grafting per se.”
t0“Watermelon”
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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.