Abstract
This work aimed at investigating the role of Ca and Mg compounds or sources on firmness and addition to the control. In the postharvest study, collected apples from untreated trees from the same orchard were dipped in MgCl , CaCl each at 1% or 2% (w/v) alone or in combinations, Ethrel at 100 ppm and (control) 22 and then held at room temperature (22±2°C) for 5 days. The preharvest study provided evidence that CaCl2 alone or combined with MgCl resulted in the highest firmness of apple fruits followed by MgSO plus CaSO . 2 44 Moreover, the highest values of TSS were found in fruits treated with CaSO alone or combined with MgSO 44 when compared with untreated fruits. In addition, CaCl alone or plus MgCl resulted in higher acidity and 22 vitamin C than other used treatments. The preharvest applications of various Ca or Mg sources indicated alone. However, CaCl was still superior to its combination with MgCl in terms of reducing such leakage. 22 Carotene content data as another quality attribute of Anna apples revealed that apples treated with the sulphate form of Mg had greater carotene content in the skin as compared with those treated with chloride 2+ form. The postharvest treatments of various concentrations of CaCl and MgCl (1% or 2% w/v), retarded the 22 loss of firmness whether applied individually or in combinations. While Ethrel lead to an adverse effect on flesh firmness in both seasons when compared with the control. Meanwhile, there was no added advantage from increasing the concentration of CaCl or MgCl from 1% to 2% (w/v) with regard to many fruit characteristics 22 such as TSS, acidity, chlorophylls a and b and anthocyanin and carotenes in both seasons. It could be concluded that calcium in the chloride form was mostly effective over the sulphate form while the later was better with regard to enhancing carotene formation. Moreover, it is preferred to treat Anna apples after harvest with CaCl plus MgCl (1% w/v) and avoid using Ethrel even at low concentration since it accelerates 22 all senescence parameters.
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Claims 12
Claim · model-written summary
Preharvest CaCl2 alone or combined with MgCl gave the highest apple firmness.
- Taxon
- Apple
Malus domesticat0 - Treatment
- CaCl2 alone or combined with MgCle0
- Outcome
- firmness of apple fruitse0
- Direction
- higheste0
- Comparator
- MgSO plus CaSOe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CaCl2 alone or combined with MgCl resulted in the highest firmness of apple fruits followed by MgSO plus CaSO”
t0“Apple”
Claim · model-written summary
Preharvest CaSO alone or combined with MgSO gave the highest TSS versus untreated fruit.
- Taxon
- AppleMalus domesticat0
- Treatment
- CaSO alone or combined with MgSOe0
- Outcome
- TSSe0
- Direction
- higheste0
- Comparator
- untreated fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest values of TSS were found in fruits treated with CaSO alone or combined with MgSO 44 when compared with untreated fruits”
t0“Apple”
Claim · model-written summary
CaCl alone or with MgCl gave higher acidity than other treatments.
- Taxon
- AppleMalus domesticat0
- Treatment
- CaCl alone or plus MgCle0
- Outcome
- aciditye0
- Direction
- highere0
- Comparator
- other used treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CaCl alone or plus MgCl resulted in higher acidity and 22 vitamin C than other used treatments”
t0“Apple”
Claim · model-written summary
CaCl alone or with MgCl gave higher vitamin C than other treatments.
- Taxon
- AppleMalus domesticat0
- Treatment
- CaCl alone or plus MgCle0
- Outcome
- vitamin Ce0
- Direction
- highere0
- Comparator
- other used treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CaCl alone or plus MgCl resulted in higher acidity and 22 vitamin C than other used treatments”
t0“Apple”
Claim · model-written summary
CaCl reduced leakage more than its combination with MgCl.
- Taxon
- AppleMalus domesticat0
- Treatment
- CaCle0
- Outcome
- leakagee0
- Direction
- reducinge0
- Comparator
- its combination with MgCle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CaCl was still superior to its combination with MgCl in terms of reducing such leakage”
t0“Apple”
Claim · model-written summary
Magnesium sulphate yielded more skin carotene than the chloride form.
- Taxon
- applesMalus domesticae0
- Organ / stage
- skine0
- Treatment
- sulphate form of Mge0
- Outcome
- carotene contente0
- Direction
- greatere0
- Comparator
- chloride 2+ forme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“apples treated with the sulphate form of Mg had greater carotene content in the skin as compared with those treated with chloride 2+ form”
Claim · model-written summary
Postharvest CaCl and MgCl at 1% or 2%, alone or combined, retarded firmness loss.
- Taxon
- AppleMalus domesticat0
- Treatment
- CaCl and MgCl (1% or 2% w/v)e0
- Outcome
- loss of firmnesse0
- Direction
- retardede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“postharvest treatments of various concentrations of CaCl and MgCl (1% or 2% w/v), retarded the 22 loss of firmness whether applied individually or in combinations”
t0“Apple”
Claim · model-written summary
Ethrel adversely affected flesh firmness relative to control in both seasons.
- Taxon
- AppleMalus domesticat0
- Treatment
- Ethrele0
- Outcome
- flesh firmnesse0
- Qualifier
- both seasonse0
- Comparator
- the controle0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ethrel lead to an adverse effect on flesh firmness in both seasons when compared with the control”
t0“Apple”
Claim · model-written summary
Raising CaCl or MgCl from 1% to 2% gave no added advantage for TSS, acidity and chlorophylls.
- Taxon
- AppleMalus domesticat0
- Treatment
- increasing the concentration of CaCl or MgCl from 1% to 2% (w/v)e0
- Outcome
- TSS, acidity, chlorophylls a and be0
- Direction
- no added advantagee0
- Comparator
- 1%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no added advantage from increasing the concentration of CaCl or MgCl from 1% to 2% (w/v) with regard to many fruit characteristics 22 such as TSS, acidity, chlorophylls a and b and anthocyanin and carotenes in both seasons”
t0“Apple”
Claim · model-written summary
Raising CaCl or MgCl from 1% to 2% gave no added advantage for anthocyanin and carotenes.
- Taxon
- AppleMalus domesticat0
- Treatment
- increasing the concentration of CaCl or MgCl from 1% to 2% (w/v)e0
- Outcome
- anthocyanin and carotenese0
- Direction
- no added advantagee0
- Comparator
- 1%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no added advantage from increasing the concentration of CaCl or MgCl from 1% to 2% (w/v) with regard to many fruit characteristics 22 such as TSS, acidity, chlorophylls a and b and anthocyanin and carotenes in both seasons”
t0“Apple”
Claim · model-written summary
The authors preferred postharvest CaCl plus MgCl at 1% w/v.
Verbatim
e0“it is preferred to treat Anna apples after harvest with CaCl plus MgCl (1% w/v)”
Claim · model-written summary
The authors advised avoiding Ethrel because it accelerates senescence parameters.
- Taxon
- AppleMalus domesticat0
- Outcome
- avoid using Ethrel even at low concentratione0
- Qualifier
- accelerates 22 all senescence parameterse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“avoid using Ethrel even at low concentration since it accelerates 22 all senescence parameters”
t0“Apple”
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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.