Paper · 2024 · Genetic Resources and Crop Evolution

Study on the effects of pollen sources on the agronomic, biochemical, mineral, and pomological traits of date palm (Phoenix dactylifera L.) cv 'Deglet Nour' fruits in Degache Oases (Tunisia)

Karim Kadri; Monia Jemni; Mohammed Mesnoua; et al.

12
claims
24
verbatim quotes
6
citations
4
research areas
✓
Open access · cc-by

Abstract

Abstract Given the dioecious nature of date palms, selecting an effective pollinizer bearing a substantial quantity of high-quality pollen is imperative. In this study, we investigated the effects of 11 male date palm cultivars from Tunisia on the production of female trees, fruit sets, and the characteristics of 'Deglet Nour' cultivar dates. The comparison of pollen germination rates showed that ABD1 and P169 pollens exhibited outstanding viability, with 98.7% and 98.3%, respectively. On the other hand, P169 pollen had the highest germination rate, at 86.3%. The most remarkable fruit set (90.7%) and retention rate (69.7%) were observed in response to P13 pollen. In response to the P165 pollinator, the fruit stood out among the resulting fruits for their notable weight, averaging 11.6 g. In addition, pollination with P90 increased total soluble solids (measured at 74.4°Brix in the Tamr stage), whereas P7-pollinated fruits recorded the highest levels of reducing sugars, reaching 41%. Notably, the highest acidity levels were found in P7-pollinated fruits (0.29%), and pollen sources significantly influenced the fruits' mineral content. Moreover, regarding pomological characteristics, fruits pollinated with P4 attained maximum size, measuring 4.10 cm. Conversely, P7-pollinated fruits had a notable width of 2.02 cm. These findings illustrate the possibility of the selective application of high-value pollinizers and emphasize the direct influence of pollen sources on fruit quantity and quality.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

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 12

Observationobservedoriginal resultmeasured

Claim · model-written summary

ABD1 pollen viability was 98.7%.

Taxon
date palmPhoenix dactyliferat0
Material
ABD1e0
Outcome
viabilitye0
Value
98.7%e0

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“ABD1 and P169 pollens exhibited outstanding viability, with 98.7% and 98.3%, respectively”

✓ located verbatim in the source · abstract, characters 400–489 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

P169 pollen viability was 98.3%.

Taxon
date palmPhoenix dactyliferat0
Material
P169e0
Outcome
viabilitye0
Value
98.3%e0

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“ABD1 and P169 pollens exhibited outstanding viability, with 98.7% and 98.3%, respectively”

✓ located verbatim in the source · abstract, characters 400–489 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

P169 had the highest pollen germination rate, 86.3%.

Taxon
date palmPhoenix dactyliferat0
Material
P169e0
Outcome
germination ratee0
Direction
higheste0
Value
86.3%e0

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“P169 pollen had the highest germination rate, at 86.3%”

✓ located verbatim in the source · abstract, characters 510–564 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

P13 pollen produced the highest fruit set, 90.7%.

Taxon
date palmPhoenix dactyliferat0
Treatment
P13 pollene0
Outcome
fruit sete0
Direction
most remarkablee0
Value
90.7%e0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“most remarkable fruit set (90.7%) and retention rate (69.7%) were observed in response to P13 pollen”

✓ located verbatim in the source · abstract, characters 570–670 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

P13 pollen produced a fruit retention rate of 69.7%.

Taxon
date palmPhoenix dactyliferat0
Treatment
P13 pollene0
Outcome
retention ratee0
Direction
most remarkablee0
Value
69.7%e0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“most remarkable fruit set (90.7%) and retention rate (69.7%) were observed in response to P13 pollen”

✓ located verbatim in the source · abstract, characters 570–670 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

P165 pollination produced fruit averaging 11.6 g.

Taxon
date palmPhoenix dactyliferat0
Treatment
P165 pollinatore0
Outcome
weighte0
Direction
notablee0
Value
11.6 ge0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“In response to the P165 pollinator, the fruit stood out among the resulting fruits for their notable weight, averaging 11.6 g”

✓ located verbatim in the source · abstract, characters 672–797 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

P90 pollination increased total soluble solids to 74.4°Brix at Tamr stage.

Taxon
date palmPhoenix dactyliferat0
Organ / stage
Tamr stagee0
Treatment
pollination with P90e0
Outcome
total soluble solidse0
Direction
increasede0
Value
74.4°Brixe0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“pollination with P90 increased total soluble solids (measured at 74.4°Brix in the Tamr stage)”

✓ located verbatim in the source · abstract, characters 812–905 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

P7 pollination produced the highest reducing sugars, 41%.

Taxon
date palmPhoenix dactyliferat0
Treatment
P7-pollinatede0
Outcome
levels of reducing sugarse0
Direction
higheste0
Value
41%e0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“P7-pollinated fruits recorded the highest levels of reducing sugars, reaching 41%”

✓ located verbatim in the source · abstract, characters 915–996 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

P7 pollination produced the highest acidity, 0.29%.

Taxon
date palmPhoenix dactyliferat0
Treatment
P7-pollinatede0
Outcome
acidity levelse0
Direction
higheste0
Value
0.29%e0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“highest acidity levels were found in P7-pollinated fruits (0.29%)”

✓ located verbatim in the source · abstract, characters 1011–1076 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Pollen sources significantly influenced fruit mineral content.

Taxon
date palmPhoenix dactyliferat0
Treatment
pollen sourcese0
Outcome
fruits' mineral contente0

Not reportedDirection

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“pollen sources significantly influenced the fruits' mineral content”

✓ located verbatim in the source · abstract, characters 1082–1149 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

P4 pollination produced maximum fruit size, 4.10 cm.

Taxon
date palmPhoenix dactyliferat0
Treatment
pollinated with P4e0
Outcome
sizee0
Direction
maximume0
Value
4.10 cme0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“fruits pollinated with P4 attained maximum size, measuring 4.10 cm”

✓ located verbatim in the source · abstract, characters 1200–1266 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

P7 pollination produced fruit width of 2.02 cm.

Taxon
date palmPhoenix dactyliferat0
Treatment
P7-pollinatede0
Outcome
widthe0
Direction
notablee0
Value
2.02 cme0

Not reportedComparator

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

Phoenix dactylifera
Phoenix dactylifera · TaxonEJ Burns · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“P7-pollinated fruits had a notable width of 2.02 cm”

✓ located verbatim in the source · abstract, characters 1280–1331 · show in text ↑
t0

“date palm”

✓ located verbatim in the source · title, characters 105–114 · show in text ↑

pollination · growth · Phoenix dactylifera (date palm)Positive and negative results

6 papers: 5 positive, 1 negative or no effect

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

  1. no effect
  2. positive
  3. positive

2 papers more in this group

See all 6 papers →

pollination · quality: sugar starch · Phoenix dactylifera (date palm)Positive and negative results

12 papers: 7 positive, 5 negative or no effect

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

  1. no effect
  2. no effect
  3. negative

8 papers more in this group

See all 12 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.