Paper · 2020 · Journal of Entomology and Zoology Studies

Assessment on potential of bacterial biocontrol agents on plant parasitic nematodes in banana

T. Senthilkumar

4
claims
8
verbatim quotes
1
citations
2
research areas
✓
Open access

Abstract

Field experiments on management of nematodes in banana was conducted to assess the efficacy of plant growth promoting rhizobacteria, single and combined application of Pseudomonas fluorescens and Bacillus subtilis. All the treatments were significantly increased the yield parameters viz., stem girth, plant height and number of leaves per plant and observed that the reduction of nematode population in root system. Eighty-six per cent of nematode population was reduced from the initial nematode population recorded in combined application of P. fluorescens (Pfbv 22) + B. subtilis (Bbv57) each 12.5 g/plant respectively compared to untreated control followed by single soil application of P. fluorescens (Pf1) @ 25/ plant recorded lowest nematode population compared to untreated control.

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Claims 4

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Bacterial treatments significantly increased banana stem girth, plant height and leaves per plant.

Taxon
bananat0
Treatment
All the treatmentse0
Outcome
stem girth, plant height and number of leaves per plante0
Direction
increasede0

Not reportedComparator

Verbatim

e0

“All the treatments were significantly increased the yield parameters viz., stem girth, plant height and number of leaves per plant and observed that the reduction of nematode population in root system”

✓ located verbatim in the source · abstract, characters 215–415 · show in text ↑
t0

“banana”

✓ located verbatim in the source · title, characters 87–93 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Bacterial treatments reduced root-system nematode populations.

Taxon
bananat0
Treatment
All the treatmentse0
Interactor
nematodeNematodae0pest
Outcome
nematode population in root systeme0
Direction
reductione0

Not reportedComparator

Verbatim

e0

“All the treatments were significantly increased the yield parameters viz., stem girth, plant height and number of leaves per plant and observed that the reduction of nematode population in root system”

✓ located verbatim in the source · abstract, characters 215–415 · show in text ↑
t0

“banana”

✓ located verbatim in the source · title, characters 87–93 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined P. fluorescens and B. subtilis reduced nematode populations by 86% from initial populations versus untreated control.

Taxon
bananat0
Treatment
combined application of P. fluorescens (Pfbv 22) + B. subtilis (Bbv57) each 12.5 g/plante0
Interactor
nematodeNematodae0pest
Second interactor
P. fluorescensPseudomonas fluorescense0biocontrol_agent
Outcome
nematode populatione0
Direction
reducede0
Value
Eighty-six per cente0
Qualifier
B. subtilise0
Comparator
untreated controle0

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

Pseudomonas fluorescens
Pseudomonas fluorescens · Second interactorNinjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Eighty-six per cent of nematode population was reduced from the initial nematode population recorded in combined application of P. fluorescens (Pfbv 22) + B. subtilis (Bbv57) each 12.5 g/plant respectively compared to untreated control”

✓ located verbatim in the source · abstract, characters 417–652 · show in text ↑
t0

“banana”

✓ located verbatim in the source · title, characters 87–93 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Single P. fluorescens soil application produced the lowest nematode population versus untreated control.

Taxon
bananat0
Treatment
single soil application of P. fluorescens (Pf1) @ 25/ plante0
Interactor
nematodeNematodae0pest
Second interactor
P. fluorescensPseudomonas fluorescense0biocontrol_agent
Outcome
nematode populatione0
Direction
loweste0
Comparator
untreated controle0

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

Pseudomonas fluorescens
Pseudomonas fluorescens · Second interactorNinjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“single soil application of P. fluorescens (Pf1) @ 25/ plant recorded lowest nematode population compared to untreated control”

✓ located verbatim in the source · abstract, characters 665–790 · show in text ↑
t0

“banana”

✓ located verbatim in the source · title, characters 87–93 · show in text ↑

phosphorus · Nematoda · MusaResults agree

2 papers: 2 positive, 0 negative or no effect

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  1. positive
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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.