Paper · 2025 · Journal of Experimental Agriculture International

Seasonal Incidence of Major Pod Borers, Helicoverpa armigera (Hubner) and Maruca testulalis in Mungbean (Vigna radiata L.) in Organic Cultivation

Meenakshi Sharma; Pradeep Kumar; A K Choudhary; et al.

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claims
16
verbatim quotes
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citations
2
research areas
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Open access

Abstract

The excessive use of conventional insecticides has led to resistance, resurgence, and environmental pollution. Therefore, eco-friendly approaches such as biorational insecticides are now being explored for sustainable pest management. The present study aimed to assesses Seasonal incidence of major pod borers, Helicoverpa armigera (Hubner) and Maruca testulalis in Mungbean (Vigna radiata L.) in organic cultivation. The present investigation was conducted during Kharif 2024 aimed to assess the population dynamics of major pod borer species and their correlation with prevailing meteorological parameters. mungbean variety PDM-139 (Samrat) was sown in early July, 2024 under organic cultivation practices. Observations on pest incidence were recorded weekly from sowing to harvest without pesticide application. The presence of two major pod borer species, Helicoverpa armigera and Maruca testulalis, with peak incidences observed during the 36th Standard Meteorological Week (SMW). H. armigera population was peaked at 7.40 larvae/5 plants, showing a significant negative correlation with rainfall (r = -0.493), while M. testulalis peaked at 9.46 larvae/5 plants and exhibited a positive significant correlation with temperature and humidity. These findings indicate that dry, warm, and humid conditions favor pod borer proliferation. The present study revealed that the population of Helicoverpa armigera and Maruca testulalis peaked during the mid-crop growth stage under favourable climatic conditions, particularly high temperature and humidity. Understanding their seasonal incidence can aid in timely pest management strategies. The study underscores the importance of pest-weather interactions in forecasting pest outbreaks and advocates for the inclusion of biorational insecticides and weather-based surveillance in integrated pest management (IPM) strategies.

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Claims 8

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Helicoverpa armigera incidence peaked during the 36th Standard Meteorological Week.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Interactor
Helicoverpa armigeraHelicoverpa armigerae0pest
Outcome
peak incidencese0
Qualifier
36th Standard Meteorological Week (SMW)e0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Helicoverpa armigera
Helicoverpa armigera · InteractorRaimundo Pastor · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The presence of two major pod borer species, Helicoverpa armigera and Maruca testulalis, with peak incidences observed during the 36th Standard Meteorological Week (SMW)”

✓ located verbatim in the source · abstract, characters 815–984 · show in text ↑
t0

“Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 95–122 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Maruca testulalis incidence peaked during the 36th Standard Meteorological Week.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Interactor
Maruca testulalisMaruca testulalise0pest
Outcome
peak incidencese0
Qualifier
36th Standard Meteorological Week (SMW)e0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Maruca testulalis
Maruca testulalis · InteractorCharles J. Sharp · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The presence of two major pod borer species, Helicoverpa armigera and Maruca testulalis, with peak incidences observed during the 36th Standard Meteorological Week (SMW)”

✓ located verbatim in the source · abstract, characters 815–984 · show in text ↑
t0

“Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 95–122 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

H. armigera peaked at 7.40 larvae per five plants.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Interactor
H. armigeraHelicoverpa armigerae0pest
Outcome
H. armigera populatione0
Direction
peakede0
Value
7.40 larvae/5 plantse0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Helicoverpa armigera
Helicoverpa armigera · InteractorRaimundo Pastor · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“H. armigera population was peaked at 7.40 larvae/5 plants”

✓ located verbatim in the source · abstract, characters 986–1043 · show in text ↑
t0

“Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 95–122 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

H. armigera abundance correlated negatively with rainfall.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Interactor
H. armigeraHelicoverpa armigerae0pest
Outcome
negative correlation with rainfalle0
Direction
negativee0
Value
r = -0.493e0
Setting
rainfalle0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Helicoverpa armigera
Helicoverpa armigera · InteractorRaimundo Pastor · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“H. armigera population was peaked at 7.40 larvae/5 plants, showing a significant negative correlation with rainfall (r = -0.493)”

✓ located verbatim in the source · abstract, characters 986–1114 · show in text ↑
t0

“Helicoverpa armigera (Hubner) and Maruca testulalis in Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 40–122 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

M. testulalis peaked at 9.46 larvae per five plants.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Interactor
M. testulalisMaruca testulalise0pest
Outcome
M. testulalise0
Direction
peakede0
Value
9.46 larvae/5 plantse0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Maruca testulalis
Maruca testulalis · InteractorCharles J. Sharp · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“M. testulalis peaked at 9.46 larvae/5 plants”

✓ located verbatim in the source · abstract, characters 1122–1166 · show in text ↑
t0

“Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 95–122 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

M. testulalis abundance was positively correlated with temperature and humidity.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Interactor
M. testulalisMaruca testulalise0pest
Outcome
correlation with temperature and humiditye0
Direction
positivee0
Setting
temperature and humiditye0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Maruca testulalis
Maruca testulalis · InteractorCharles J. Sharp · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“M. testulalis peaked at 9.46 larvae/5 plants and exhibited a positive significant correlation with temperature and humidity”

✓ located verbatim in the source · abstract, characters 1122–1245 · show in text ↑
t0

“Helicoverpa armigera (Hubner) and Maruca testulalis in Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 40–122 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors advocate weather-based surveillance in pest management.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Outcome
weather-based surveillance in integrated pest management (IPM) strategiese0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“advocates for the inclusion of biorational insecticides and weather-based surveillance in integrated pest management (IPM) strategies”

✓ located verbatim in the source · abstract, characters 1739–1872 · show in text ↑
t0

“Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 95–122 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors advocate biorational insecticides in pest management.

Taxon
Mungbean (Vigna radiata L.)Vigna radiatat0
Outcome
biorational insecticidese0

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“advocates for the inclusion of biorational insecticides and weather-based surveillance in integrated pest management (IPM) strategies”

✓ located verbatim in the source · abstract, characters 1739–1872 · show in text ↑
t0

“Mungbean (Vigna radiata L.)”

✓ located verbatim in the source · title, characters 95–122 · show in text ↑