Paper · 2020 · International Journal of Advanced Research

IMPACT OF SUSTAINED DEFFICIT IRRIGATION AND FOLIAR SPRAY OF ASCORBIC ACID ON PRODUCTIVITY AND PEEL DISORDERS OF WONDERFUL POMEGRANATE TREES

Amro S.M. Salama; Osama H.M. El Gammal; Amin M. G. E. Shaddad

13
claims
26
verbatim quotes
0
citations
3
research areas
✓
Open access · cc-by

Abstract

The investigation was carried out during 2017and 2018 seasons on Wonderful pomegranate trees grown at private orchard located on Cairo-Alexandria Desert road about 50 Km from Cairo, Egypt. Trees planted at 3x5 meters apart in sandy soil and watered from wells using drip irrigation system. The trial was a factorial experiment, hence sustained deficit irrigation100%, 80% and 60% from crop evapotranspiration (ETc) throughout season, the occupied main plot, whereas foliar sprays of ascorbic acid treatments at 0, 500, 750 and 1000 ppm /tree located in the subplots were carried out two times, the first foliar spray was done at full bloom and the second one was performed four weeks later. The results showed that leaf characteristics (leaf area and total chlorophyll), number of fruits per tree, yield and fruit quality traits (weigh, length, diameter, weight of fruit grains, flesh percentage, weight of 100 grains and juice volume) recorded the highest values with higher both irrigation level and sprays of ascorbic acid treatments. On the contrary fruits cracked percentage and fruits sunburned percentage, peel thickness, total sugar, TSS, TSS/acidity, ascorbic acid and water used efficiency showed an adverse correlation with irrigation level. Also, spraying by ascorbic acid is reducing number of fruit cracked, number of sunburned fruits and acidity. On other hand, peel thickness, total sugar, TSS, TSS/acidity and ascorbic acid concentration were increasing. Therefore, sustained deficit irrigation is considered to be an effective strategy for arid and semi-arid regions, moreover ascorbic acid may be used to prevent or mitigate oxidative damage caused by sustained deficit irrigation.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 13

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher irrigation and ascorbic acid sprays gave highest leaf area and chlorophyll.

Taxon
pomegranate treesPunica granatumt0
Treatment
higher both irrigation level and sprays of ascorbic acid treatmentse0
Outcome
leaf area and total chlorophylle0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“leaf characteristics (leaf area and total chlorophyll), number of fruits per tree, yield and fruit quality traits (weigh, length, diameter, weight of fruit grains, flesh percentage, weight of 100 grains and juice volume) recorded the highest values with higher both irrigation level and sprays of ascorbic acid treatments”

✓ located verbatim in the source · abstract, characters 715–1036 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher irrigation and sprays gave highest fruit number and yield.

Taxon
pomegranate treesPunica granatumt0
Treatment
higher both irrigation level and sprays of ascorbic acid treatmentse0
Outcome
number of fruits per tree, yielde0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“number of fruits per tree, yield and fruit quality traits (weigh, length, diameter, weight of fruit grains, flesh percentage, weight of 100 grains and juice volume) recorded the highest values with higher both irrigation level and sprays of ascorbic acid treatments”

✓ located verbatim in the source · abstract, characters 771–1036 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher irrigation and sprays gave highest fruit weight, length, and diameter.

Taxon
pomegranate treesPunica granatumt0
Treatment
higher both irrigation level and sprays of ascorbic acid treatmentse0
Outcome
weigh, length, diametere0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“fruit quality traits (weigh, length, diameter, weight of fruit grains, flesh percentage, weight of 100 grains and juice volume) recorded the highest values with higher both irrigation level and sprays of ascorbic acid treatments”

✓ located verbatim in the source · abstract, characters 808–1036 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher irrigation and sprays gave highest grain weight, flesh percentage, and 100-grain weight.

Taxon
pomegranate treesPunica granatumt0
Treatment
higher both irrigation level and sprays of ascorbic acid treatmentse0
Outcome
weight of fruit grains, flesh percentage, weight of 100 grainse0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“weight of fruit grains, flesh percentage, weight of 100 grains and juice volume) recorded the highest values with higher both irrigation level and sprays of ascorbic acid treatments”

✓ located verbatim in the source · abstract, characters 855–1036 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher irrigation and sprays gave highest juice volume.

Taxon
pomegranate treesPunica granatumt0
Treatment
higher both irrigation level and sprays of ascorbic acid treatmentse0
Outcome
juice volumee0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“juice volume) recorded the highest values with higher both irrigation level and sprays of ascorbic acid treatments”

✓ located verbatim in the source · abstract, characters 922–1036 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Irrigation level was inversely related to fruit cracking, sunburn, and peel thickness.

Taxon
pomegranate treesPunica granatumt0
Treatment
irrigation levele0
Outcome
fruits cracked percentage and fruits sunburned percentage, peel thicknesse0
Direction
adverse correlatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“fruits cracked percentage and fruits sunburned percentage, peel thickness, total sugar, TSS, TSS/acidity, ascorbic acid and water used efficiency showed an adverse correlation with irrigation level”

✓ located verbatim in the source · abstract, characters 1054–1251 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Irrigation level was inversely related to total sugar, TSS, and TSS/acidity.

Taxon
pomegranate treesPunica granatumt0
Treatment
irrigation levele0
Outcome
total sugar, TSS, TSS/aciditye0
Direction
adverse correlatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“peel thickness, total sugar, TSS, TSS/acidity, ascorbic acid and water used efficiency showed an adverse correlation with irrigation level”

✓ located verbatim in the source · abstract, characters 1113–1251 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Irrigation level was inversely related to ascorbic acid and water use efficiency.

Taxon
pomegranate treesPunica granatumt0
Treatment
irrigation levele0
Outcome
ascorbic acid and water used efficiencye0
Direction
adverse correlatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“ascorbic acid and water used efficiency showed an adverse correlation with irrigation level”

✓ located verbatim in the source · abstract, characters 1160–1251 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ascorbic acid spraying reduced cracked and sunburned fruit and acidity.

Taxon
pomegranate treesPunica granatumt0
Treatment
spraying by ascorbic acide0
Outcome
number of fruit cracked, number of sunburned fruits and aciditye0
Direction
reducinge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“spraying by ascorbic acid is reducing number of fruit cracked, number of sunburned fruits and acidity”

✓ located verbatim in the source · abstract, characters 1259–1360 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ascorbic acid spraying increased peel thickness, total sugar, and TSS.

Taxon
pomegranate treesPunica granatumt0
Treatment
ascorbic acide0
Outcome
peel thickness, total sugar, TSSe0
Direction
increasinge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“peel thickness, total sugar, TSS, TSS/acidity and ascorbic acid concentration were increasing”

✓ located verbatim in the source · abstract, characters 1377–1470 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ascorbic acid spraying increased TSS/acidity and ascorbic acid concentration.

Taxon
pomegranate treesPunica granatumt0
Treatment
ascorbic acide0
Outcome
TSS/acidity and ascorbic acid concentratione0
Direction
increasinge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“TSS/acidity and ascorbic acid concentration were increasing”

✓ located verbatim in the source · abstract, characters 1411–1470 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend sustained deficit irrigation for arid regions.

Taxon
pomegranate treesPunica granatumt0
Outcome
sustained deficit irrigatione0
Setting
arid and semi-arid regionse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“sustained deficit irrigation is considered to be an effective strategy for arid and semi-arid regions”

✓ located verbatim in the source · abstract, characters 1483–1584 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors suggest ascorbic acid to mitigate oxidative damage from deficit irrigation.

Taxon
pomegranate treesPunica granatumt0
Treatment
ascorbic acide0
Outcome
prevent or mitigate oxidative damagee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Punica granatum
Punica granatum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“ascorbic acid may be used to prevent or mitigate oxidative damage caused by sustained deficit irrigation”

✓ located verbatim in the source · abstract, characters 1595–1699 · show in text ↑
t0

“POMEGRANATE TREES”

✓ located verbatim in the source · title, characters 122–139 · show in text ↑

ascorbic acid · growth · Punica granatum (pomegranate)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

ascorbic acid · quality: sugar starch · Punica granatum (pomegranate)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 papers →

ascorbic acid · yield · Punica granatum (pomegranate)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 papers →

irrigation · physiology: pigments · Punica granatum (pomegranate)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

1 paper in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
See all 3 papers →

irrigation · growth · Punica granatum (pomegranate)Positive and negative results

16 papers: 11 positive, 5 negative or no effect

10 papers in the same direction as this paper · 5 in the opposite direction

  1. negative
  2. negative
  3. negative

12 papers more in this group

See all 16 papers →

application · quality: sugar starch · Punica granatum (pomegranate)Positive and negative results

20 papers: 19 positive, 1 negative or no effect

18 papers in the same direction as this paper · 1 in the opposite direction

  1. no effect
  2. positive
  3. positive

16 papers more in this group

See all 20 papers →

irrigation · yield · Punica granatum (pomegranate)Positive and negative results

34 papers: 26 positive, 8 negative or no effect

25 papers in the same direction as this paper · 8 in the opposite direction

  1. negative
  2. negative
  3. negative

30 papers more in this group

See all 34 papers →

application · yield · Punica granatum (pomegranate)Positive and negative results

48 papers: 47 positive, 1 negative or no effect

46 papers in the same direction as this paper · 1 in the opposite direction

  1. no effect
  2. positive
  3. positive

44 papers more in this group

See all 48 papers →

8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.