Paper · 2024 · IOP Conference Series Earth and Environmental Science

Effect of Plant Density on some Productive Traits for Some Introduced Peanut Genotypes

Nouri A. H. A Al-Dulaimi; Sinan A. Abas

9
claims
18
verbatim quotes
0
citations
1
research areas
✓
Open access · cc-by

Abstract

Abstract A field experiment was conducted in the fields of a farmer in the Al-Sufiya area in Al-Ramadi on the right bank of the Euphrates River during the summer season of the year 2023 to investigate the effect of plant densities of 44444, 53333, and 66666, plants ha -1 . The plants were planted at a single distance between rows of 75 cm and three plant spacing within the row (20, 25, 30 cm). Four genotypes of field peanuts were used, three of which were introduced (NC7, Masal, Ausa hanim) compared to the local genotype, Saadiya, in the yield traits of the field peanut crop. A randomized complete block design (R.C.B.D) was used with three replications, in a split plot arrangement, where plant densities occupied the main plots and genotypes occupied the sub plots. The results indicated significant differences among the genotypes. The genotypeNC7 achieved the highest number of pods per plant (91.6 pods plant -1 ), while the genotype Masal outperformed in the number of seeds per pod (1.292 seeds pod -1 ). The genotype Masal also attained the highest seed yield (5.002 tons ha -1 ) with non-significant differences compared to the NC7 and Ausa hanim structures. Additionally, planting at the lower plant density of 44444 plants ha -1 reduced competition per plant and resulted in the highest number of pods per plant (89.6 pods plant -1 ) and 100-seed weight (87.01 grams). However, increasing the number of plants per unit area up to 66666 plants per hectare led to a higher seed yield (4.969 tons ha -1 ). Consequently, the interaction between high density and the Masal genotype, as well as between high density and the NC7 genotype, resulted in the highest total seed yield, at 5.612 and 5.234 tons ha -1 , respectively.

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 9

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

NC7 had the highest number of pods per plant (91.6 pods plant -1) among the peanut genotypes.

Material
NC7e2
Outcome
number of pods per plante2
Direction
higheste2
Value
91.6 pods plant -1e2

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“The genotypeNC7 achieved the highest number of pods per plant (91.6 pods plant -1 )”

✓ located verbatim in the source · abstract, characters 842–925 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Masal outperformed the other peanut genotypes in number of seeds per pod (1.292 seeds per pod).

Material
Masale2
Outcome
number of seeds per pode2
Direction
outperformede2
Value
1.292 seeds pod -1e2

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“the genotype Masal outperformed in the number of seeds per pod (1.292 seeds pod -1 )”

✓ located verbatim in the source · abstract, characters 933–1017 · show in text ↑
Observationobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Masal attained the highest seed yield (5.002 tons per ha), with non-significant differences from NC7 and Ausa hanim.

Material
Masale2
Outcome
seed yielde2
Direction
higheste2
Value
5.002 tons ha -1e2
Comparator
NC7 and Ausa hanime2

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“The genotype Masal also attained the highest seed yield (5.002 tons ha -1 ) with non-significant differences compared to the NC7 and Ausa hanim structures”

✓ located verbatim in the source · abstract, characters 1019–1173 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Planting at the lower density of 44444 plants per ha resulted in the highest number of pods per plant (89.6).

Treatment
lower plant density of 44444 plants ha -1e2
Outcome
number of pods per plante2
Direction
higheste2
Value
89.6 pods plant -1e2

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“planting at the lower plant density of 44444 plants ha -1 reduced competition per plant and resulted in the highest number of pods per plant (89.6 pods plant -1 ) and 100-seed weight (87.01 grams)”

✓ located verbatim in the source · abstract, characters 1189–1385 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Planting at the lower density of 44444 plants per ha resulted in a higher 100-seed weight (87.01 grams).

Treatment
lower plant density of 44444 plants ha -1e2
Outcome
100-seed weighte2
Direction
higherinferrede2
Value
87.01 gramse2

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“planting at the lower plant density of 44444 plants ha -1 reduced competition per plant and resulted in the highest number of pods per plant (89.6 pods plant -1 ) and 100-seed weight (87.01 grams)”

✓ located verbatim in the source · abstract, characters 1189–1385 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Increasing density to 66666 plants per ha led to a higher seed yield (4.969 tons per ha).

Treatment
increasing the number of plants per unit area up to 66666 plants per hectaree2
Outcome
seed yielde2
Direction
highere2
Value
4.969 tons ha -1e2

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“increasing the number of plants per unit area up to 66666 plants per hectare led to a higher seed yield (4.969 tons ha -1 )”

✓ located verbatim in the source · abstract, characters 1396–1519 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

High density combined with the Masal genotype resulted in the highest total seed yield (5.612 tons per ha, paired with the NC7 value).

Material
Masale2
Treatment
high densitye2
Outcome
total seed yielde2
Direction
higheste2
Value
5.612 and 5.234 tons ha -1e2
Qualifier
respectivelye2

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“the interaction between high density and the Masal genotype, as well as between high density and the NC7 genotype, resulted in the highest total seed yield, at 5.612 and 5.234 tons ha -1, respectively”

✓ located after whitespace/quote normalisation · abstract, characters 1535–1736 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

High density combined with the NC7 genotype resulted in the highest total seed yield (5.234 tons per ha, paired with the Masal value).

Material
NC7e2
Treatment
high densitye2
Outcome
total seed yielde2
Direction
higheste2
Value
5.612 and 5.234 tons ha -1e2
Qualifier
respectivelye2

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e1

“Four genotypes of field peanuts were used”

✓ located verbatim in the source · abstract, characters 397–438 · show in text ↑
e2

“the interaction between high density and the Masal genotype, as well as between high density and the NC7 genotype, resulted in the highest total seed yield, at 5.612 and 5.234 tons ha -1, respectively”

✓ located after whitespace/quote normalisation · abstract, characters 1535–1736 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The peanut genotypes differed significantly in yield traits.

Outcome
yield traitse2

Not reportedDirection

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e2

“in the yield traits of the field peanut crop”

✓ located verbatim in the source · abstract, characters 537–581 · show in text ↑
e3

“The results indicated significant differences among the genotypes”

✓ located verbatim in the source · abstract, characters 775–840 · show in text ↑

density · yield · Arachis hypogaea (peanut)Positive and negative results

102 papers: 87 positive, 15 negative or no effect

86 papers in the same direction as this paper · 14 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. no effect

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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.