Paper · 2023 · SABRAO Journal of Breeding and Genetics

EFFECT OF NPK FERTILIZATION AND LEAF/BUNCH RATIO ON FRUIT YIELD AND QUALITY OF KHASTAWI DATE PALM

A.M.I. AL-JANABI

7
claims
10
verbatim quotes
5
citations
2
research areas
✓
Open access

Abstract

This study conducted in 2020–2021 sought to determine the impact of NPK fertilizer with three levels (F0: 0, F1: 900 g, F2: 1300 g) and three levels of pruning at the ratio of P1: 5, P2: 7, and P3: 9 leaves/bunch, to improve the fruit and quality of the date palm (Phoenix dactylifera L.) cv. “Khastawi,” held at the Al-Zahfaraniah Palm Station, Baghdad Governorate, Iraq. Executing the study as a factorial experiment (3 × 3) within a randomized complete block design (RCBD) had three replications. Every two date palms as an experimental unit setup came from 54 trees aged 16 years and, as much as possible, homogeneous in growth characteristics. The experimental results showed that NPK fertilization at the F2 level was superior in all studied traits, including fruit set, weight, width, length, volume, seed and bunch weights, and total yield. The pruning treatment (P3) was significantly superior by giving the highest fruit set, width, and length values, whereas F0 and P2 treatments gave the lowest average for these traits. Furthermore, the interaction of F2P3 provided the highest rates in fruit weight, length, volume, seed, and bunch weights, and total yield, while the F0P1 treatment gave the lowest values.

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

NPK fertilization at the F2 level was superior for fruit set, fruit weight and width in date palm.

Taxon
DATE PALMPhoenix dactyliferat0
Treatment
NPK fertilization at the F2 levele0
Outcome
fruit set, weight, widthe0
Direction
superiore0

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

“NPK fertilization at the F2 level was superior in all studied traits, including fruit set, weight, width, length, volume, seed and bunch weights, and total yield”

✓ located verbatim in the source · abstract, characters 686–847 · show in text ↑
t0

“DATE PALM”

✓ located verbatim in the source · title, characters 88–97 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

NPK fertilization at the F2 level was superior for fruit length and volume in date palm.

Taxon
DATE PALMPhoenix dactyliferat0
Treatment
NPK fertilization at the F2 levele0
Outcome
length, volumee0
Direction
superiore0

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

“NPK fertilization at the F2 level was superior in all studied traits, including fruit set, weight, width, length, volume, seed and bunch weights, and total yield”

✓ located verbatim in the source · abstract, characters 686–847 · show in text ↑
t0

“DATE PALM”

✓ located verbatim in the source · title, characters 88–97 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

NPK fertilization at the F2 level was superior for seed weight, bunch weight and total yield in date palm.

Taxon
DATE PALMPhoenix dactyliferat0
Treatment
NPK fertilization at the F2 levele0
Outcome
seed and bunch weights, and total yielde0
Direction
superiore0

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

“NPK fertilization at the F2 level was superior in all studied traits, including fruit set, weight, width, length, volume, seed and bunch weights, and total yield”

✓ located verbatim in the source · abstract, characters 686–847 · show in text ↑
t0

“DATE PALM”

✓ located verbatim in the source · title, characters 88–97 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The pruning treatment P3 (9 leaves/bunch) was significantly superior, giving the highest fruit set, width and length in date palm.

Treatment
pruning treatment (P3)e0
Outcome
fruit set, width, and length valuese0
Direction
higheste0

Not reportedTaxonComparator

Verbatim

e0

“The pruning treatment (P3) was significantly superior by giving the highest fruit set, width, and length values”

✓ located verbatim in the source · abstract, characters 849–960 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The interaction F2P3 gave the highest fruit weight, length and volume in date palm.

Treatment
interaction of F2P3e0
Outcome
fruit weight, length, volumee0
Direction
higheste0

Not reportedTaxonComparator

Verbatim

e0

“the interaction of F2P3 provided the highest rates in fruit weight, length, volume, seed, and bunch weights, and total yield”

✓ located verbatim in the source · abstract, characters 1046–1170 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The interaction F2P3 gave the highest seed weight, bunch weight and total yield in date palm.

Treatment
interaction of F2P3e0
Outcome
seed, and bunch weights, and total yielde0
Direction
higheste0

Not reportedTaxonComparator

Verbatim

e0

“the interaction of F2P3 provided the highest rates in fruit weight, length, volume, seed, and bunch weights, and total yield”

✓ located verbatim in the source · abstract, characters 1046–1170 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The F0P1 treatment gave the lowest values for the studied traits.

Treatment
F0P1 treatmente0
Outcome
lowest valuese0
Direction
loweste0

Not reportedTaxonComparator

Verbatim

e0

“the F0P1 treatment gave the lowest values”

✓ located verbatim in the source · abstract, characters 1178–1219 · show in text ↑

pruning · yield · Phoenix dactylifera (date palm)Positive and negative results

17 papers: 9 positive, 8 negative or no effect

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

  1. negative
  2. negative
  3. negative

13 papers more in this group

See all 17 papers →

fertilization · yield · Phoenix dactylifera (date palm)Positive and negative results

26 papers: 25 positive, 1 negative or no effect

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

  1. negative
  2. positive
  3. positive

22 papers more in this group

See all 26 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.