Paper · 2022 · International Journal of Biosciences (IJB)

Impact of cold concentrations of neem leaf extract and their efficacy on some identified insect pests associated with soybean (Glycine max (l) Merrill) in Asaba, Nigeria

Ogbinaka Ewoma Jimmy Andrew; Ehigie Osarobo Henry; Edema Ibe Oghenevo; et al.

14
claims
43
verbatim quotes
0
citations
2
research areas
✓
Open access · cc-by

Abstract

This study identified and categorized some insect pests associated with soybean and the damage caused during the early and late planting seasons of 2021. Five treatments (50g, 100g, 150g, 200g Neem Leaf Cold Extract and Control were laid out using Randomized Complete Block Design with four replicates, while data on insects were calculated to know their relative abundance (%) after being subjected to identification and classification. Thirteen insect species from 5 orders and 8 families were identified at early planting, while 9 insect species from 4 orders and 4 families were identified at late planting season. Insects of the orders; Coleoptera, Lepidoptera, Hemiptera, Orthoptera and Diptera were identified. Coleoptera had a higher prevalence level. Pest infestation was higher at late planting. Damages caused by insect pests ranged from leaf defoliation, leaf scarification, and sap-sucking to pod sucking. Neem leaf cold extract (NLCE) concentrations had efficacy in controlling insect pests associated with soybean. Insect population was reduced from 51 to 24 and 66 to 21 insect numbers at early and late planting repectively with 200g NLCE. Yield parameters in early planting were significantly different (p > 0.05) from late planting. 100g NLCE recorded 1.9 t/ha seed yield as the highest yield, while 150g and 200g NLCE with Control had 1.4 t/ha respectively at early planting. Yield from early planting did better compared to late planting. Farmers are advised to use Neem Leaf Cold Extract to control insect pests associated with soybean in Asaba. 100g, 150g and 200g concentrations are recommended.

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 14

Observationobservedoriginal resultmeasured

Claim · model-written summary

Early planting had 13 insect species from five orders and eight families.

Taxon
soybeanGlycine maxt0
Outcome
insect speciese0
Value
Thirteen insect speciese0
Qualifier
5 orders and 8 familiese0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Thirteen insect species from 5 orders and 8 families were identified at early planting”

✓ located verbatim in the source · abstract, characters 438–524 · show in text ↑
e1

“Thirteen insect species from 5 orders and 8 families were identified at early planting”

✓ located verbatim in the source · abstract, characters 438–524 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Late planting had nine insect species from four orders and four families.

Taxon
soybeanGlycine maxt0
Outcome
insect speciese0
Value
9 insect speciese0
Qualifier
4 orders and 4 familiese0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“9 insect species from 4 orders and 4 families were identified at late planting season”

✓ located verbatim in the source · abstract, characters 532–617 · show in text ↑
e1

“9 insect species from 4 orders and 4 families were identified at late planting season”

✓ located verbatim in the source · abstract, characters 532–617 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Coleoptera had higher prevalence.

Taxon
soybeanGlycine maxt0
Interactor
ColeopteraColeopterae0pest
Outcome
Coleoptera had a higher prevalence levele0
Direction
highere0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Coleoptera had a higher prevalence level”

✓ located verbatim in the source · abstract, characters 718–758 · show in text ↑
e1

“Coleoptera had a higher prevalence level”

✓ located verbatim in the source · abstract, characters 718–758 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Pest infestation was higher at late planting.

Taxon
soybeanGlycine maxt0
Treatment
late plantinge0
Outcome
Pest infestatione0
Direction
highere0

Not reportedSetting

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Pest infestation was higher at late planting”

✓ located verbatim in the source · abstract, characters 760–804 · show in text ↑
e1

“Pest infestation was higher at late planting”

✓ located verbatim in the source · abstract, characters 760–804 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Pest damage included defoliation, scarification, sap sucking and pod sucking.

Taxon
soybeanGlycine maxt0
Interactor
insect pestse0pest
Outcome
leaf defoliation, leaf scarification, and sap-suckinge0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Damages caused by insect pests ranged from leaf defoliation, leaf scarification, and sap-sucking to pod sucking”

✓ located verbatim in the source · abstract, characters 806–917 · show in text ↑
e1

“Damages caused by insect pests ranged from leaf defoliation, leaf scarification, and sap-sucking to pod sucking”

✓ located verbatim in the source · abstract, characters 806–917 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

With 200g neem extract, early-season insect numbers fell from 51 to 24.

Taxon
soybeanGlycine maxt0
Treatment
200g NLCEe0
Outcome
Insect populatione0
Direction
reducede0
Value
51 to 24e0
Qualifier
earlye0

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Insect population was reduced from 51 to 24 and 66 to 21 insect numbers at early and late planting repectively with 200g NLCE”

✓ located verbatim in the source · abstract, characters 1030–1155 · show in text ↑
e1

“Insect population was reduced from 51 to 24 and 66 to 21 insect numbers at early and late planting repectively with 200g NLCE”

✓ located verbatim in the source · abstract, characters 1030–1155 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

With 200g neem extract, late-season insect numbers fell from 66 to 21.

Taxon
soybeanGlycine maxt0
Treatment
200g NLCEe0
Outcome
Insect populatione0
Direction
reducede0
Value
66 to 21e0
Qualifier
late plantinge0

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Insect population was reduced from 51 to 24 and 66 to 21 insect numbers at early and late planting repectively with 200g NLCE”

✓ located verbatim in the source · abstract, characters 1030–1155 · show in text ↑
e1

“Insect population was reduced from 51 to 24 and 66 to 21 insect numbers at early and late planting repectively with 200g NLCE”

✓ located verbatim in the source · abstract, characters 1030–1155 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Associationobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Yield parameters differed between early and late planting.

Taxon
soybeanGlycine maxt0
Treatment
early plantinge0
Outcome
Yield parameterse0
Comparator
late plantinge0

Not reportedDirection

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Yield parameters in early planting were significantly different (p > 0.05) from late planting”

✓ located verbatim in the source · abstract, characters 1157–1250 · show in text ↑
e1

“Yield parameters in early planting were significantly different (p > 0.05) from late planting”

✓ located verbatim in the source · abstract, characters 1157–1250 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 100g neem treatment gave the highest early-season seed yield, 1.9 t/ha.

Taxon
soybeanGlycine maxt0
Treatment
100g NLCEe0
Outcome
seed yielde0
Direction
higheste0
Value
1.9 t/hae0

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“100g NLCE recorded 1.9 t/ha seed yield as the highest yield”

✓ located verbatim in the source · abstract, characters 1252–1311 · show in text ↑
e1

“100g NLCE recorded 1.9 t/ha seed yield as the highest yield”

✓ located verbatim in the source · abstract, characters 1252–1311 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

At early planting, 150g neem extract gave 1.4 t/ha seed yield.

Taxon
soybeanGlycine maxt0
Treatment
150ge0
Outcome
seed yielde2
Value
1.4 t/hae0
Comparator
Controle0

Not reportedDirection

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“150g and 200g NLCE with Control had 1.4 t/ha respectively at early planting”

✓ located verbatim in the source · abstract, characters 1319–1394 · show in text ↑
e1

“150g and 200g NLCE with Control had 1.4 t/ha respectively at early planting”

✓ located verbatim in the source · abstract, characters 1319–1394 · show in text ↑
e2

“seed yield”

✓ located verbatim in the source · abstract, characters 1280–1290 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

At early planting, 200g neem extract gave 1.4 t/ha seed yield.

Taxon
soybeanGlycine maxt0
Treatment
200g NLCEe0
Outcome
seed yielde2
Value
1.4 t/hae0
Comparator
Controle0

Not reportedDirection

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“150g and 200g NLCE with Control had 1.4 t/ha respectively at early planting”

✓ located verbatim in the source · abstract, characters 1319–1394 · show in text ↑
e1

“150g and 200g NLCE with Control had 1.4 t/ha respectively at early planting”

✓ located verbatim in the source · abstract, characters 1319–1394 · show in text ↑
e2

“seed yield”

✓ located verbatim in the source · abstract, characters 1280–1290 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Early planting yielded better than late planting.

Taxon
soybeanGlycine maxt0
Treatment
early plantinge0
Outcome
Yielde0
Direction
did bettere0
Comparator
late plantinge0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Yield from early planting did better compared to late planting”

✓ located verbatim in the source · abstract, characters 1396–1458 · show in text ↑
e1

“Yield from early planting did better compared to late planting”

✓ located verbatim in the source · abstract, characters 1396–1458 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Authors advise neem leaf cold extract for soybean pest control in Asaba.

Taxon
soybeanGlycine maxe0
Interactor
insect pestse0pest
Outcome
use Neem Leaf Cold Extract to control insect pests associated with soybeane0
Setting
Asabae0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Farmers are advised to use Neem Leaf Cold Extract to control insect pests associated with soybean in Asaba”

✓ located verbatim in the source · abstract, characters 1460–1566 · show in text ↑
e1

“Farmers are advised to use Neem Leaf Cold Extract to control insect pests associated with soybean in Asaba”

✓ located verbatim in the source · abstract, characters 1460–1566 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Authors recommend 100g neem leaf cold extract.

Taxon
soybeanGlycine maxt0
Outcome
100g, 150g and 200g concentrations are recommendede0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“100g, 150g and 200g concentrations are recommended”

✓ located verbatim in the source · abstract, characters 1568–1618 · show in text ↑
e1

“100g, 150g and 200g concentrations are recommended”

✓ located verbatim in the source · abstract, characters 1568–1618 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 118–125 · show in text ↑

Azadirachta indica · pest · Glycine max (soybean)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 →

Azadirachta indica · yield · Glycine max (soybean)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

cold · pest · Glycine max (soybean)Positive and negative results

7 papers: 2 positive, 5 negative or no effect

1 paper in the same direction as this paper · 4 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. negative

3 papers more in this group

See all 7 papers →

botanical · pest · Glycine max (soybean)Positive and negative results

16 papers: 15 positive, 1 negative or no effect

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

  1. no effect
  2. positive
  3. positive

12 papers more in this group

See all 16 papers →

cold · yield · Glycine max (soybean)Positive and negative results

18 papers: 2 positive, 16 negative or no effect

1 paper in the same direction as this paper · 16 in the opposite direction

  1. negative
  2. negative
  3. negative

14 papers more in this group

See all 18 papers →

botanical · yield · Glycine max (soybean)Positive and negative results

55 papers: 46 positive, 9 negative or no effect

45 papers in the same direction as this paper · 9 in the opposite direction

  1. negative
  2. no effect
  3. negative

51 papers more in this group

See all 55 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.