Paper · 2021 · Pest Management in Horticultural Ecosystems

Pest spectrum and population dynamics of major pests occurring on snake gourd (Trichosanthes cucumerina var. anguina )

K.N. Sharath; K.S. Jagadish; K. Muralimohan; et al.

8
claims
16
verbatim quotes
0
citations
2
research areas
✓
Open access

Abstract

A field investigation was carried out to study different insect pests occurring on snake gourd (Trichosanthes cucumerina var. anguina) during kharif 2018–19 at the University of Agricultural Sciences, GKVK, Bengaluru. The study revealed the occurrence of 17 species of insect pests belonging to four economically important orders such as Lepidoptera (three species), Coleoptera (five species), Diptera (two species) and Hemiptera (seven species) which are of both major and minor importance. The major defoliator insects such as semilooper, Anadevidia peponis (Fab.) population showed significant positive correlation with morning relative humidity (RH) (r=0.69*), while, leaf miner, Liriomyza trifolii (Burgess) and population of pumpkin caterpillar, Diaphania indica (Saunders) and plume moth, Sphenarches caffer (Zeller) were significantly positively correlated with afternoon RH (r=0.60* and 0.59*, respectively), pumpkin beetle, Aulacophora spp. population showed significant positive correlation with total rainfall (r=0.69*), leaf hopper species had significant negative correlation with total rainfall (r=-0.60*), whereas, mirid bug, Nesidiocoris tenuis (Reuter) population exhibited significant negative correlation with sunshine hours (r=-0.65*).

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Claims 8

Observationobservedoriginal resultmeasured

Claim · model-written summary

Snake gourd hosted 17 insect pest species: three Lepidoptera, five Coleoptera, two Diptera and seven Hemiptera.

Interactor
insect pestse0pest
Outcome
occurrence of 17 species of insect pestse0
Value
17 speciese0
Qualifier
Lepidoptera (three species), Coleoptera (five species), Diptera (two species) and Hemiptera (seven species)e0

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

Trichosanthes cucumerina
Trichosanthes cucumerina · TaxonOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Verbatim

e0

“The study revealed the occurrence of 17 species of insect pests belonging to four economically important orders such as Lepidoptera (three species), Coleoptera (five species), Diptera (two species) and Hemiptera (seven species) which are of both major and minor importance.”

✓ located verbatim in the source · abstract, characters 218–491 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Anadevidia peponis population correlated positively with morning relative humidity (r=0.69*).

Taxon
Anadevidia peponisAnadevidia peponise0
Treatment
morning relative humiditye0
Interactor
snake gourdTrichosanthes cucumerinat0host
Outcome
populatione0
Direction
positivee0
Value
r=0.69*e0

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

Anadevidia peponis
Anadevidia peponis · TaxonBaluperoth · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichosanthes cucumerina
Trichosanthes cucumerina · InteractorOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Verbatim

e0

“The major defoliator insects such as semilooper, Anadevidia peponis (Fab.) population showed significant positive correlation with morning relative humidity (RH) (r=0.69*)”

✓ located verbatim in the source · abstract, characters 492–663 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Liriomyza trifolii population correlated significantly positively with afternoon relative humidity.

Taxon
Liriomyza trifoliiLiriomyza trifoliie0
Treatment
afternoon RHe0
Interactor
snake gourdTrichosanthes cucumerinat0host
Outcome
populatione0
Direction
positivelye0
Qualifier
r=0.60* and 0.59*, respectivelye0

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

Liriomyza trifolii
Liriomyza trifolii · Taxon · picture from its Wikimedia Commons categoryLonsdale O, Murphy ST, Scheffer SJ · CC BY 4.0 · Wikimedia Commons ↗
Trichosanthes cucumerina
Trichosanthes cucumerina · InteractorOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Schema note from the model: Three insect species are followed by only two coefficients, so coefficient assignment is unresolved.

Verbatim

e0

“leaf miner, Liriomyza trifolii (Burgess) and population of pumpkin caterpillar, Diaphania indica (Saunders) and plume moth, Sphenarches caffer (Zeller) were significantly positively correlated with afternoon RH (r=0.60* and 0.59*, respectively)”

✓ located verbatim in the source · abstract, characters 672–916 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Diaphania indica population correlated significantly positively with afternoon relative humidity.

Taxon
Diaphania indicaDiaphania indicae0
Treatment
afternoon RHe0
Interactor
snake gourdTrichosanthes cucumerinat0host
Outcome
populatione0
Direction
positivelye0
Qualifier
r=0.60* and 0.59*, respectivelye0

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

Diaphania indica
Diaphania indica · TaxonSaleem Hameed <saleemham at rediffmail.com> · CC BY 2.5 · Wikimedia Commons ↗
Trichosanthes cucumerina
Trichosanthes cucumerina · InteractorOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Schema note from the model: Three insect species are followed by only two coefficients, so coefficient assignment is unresolved.

Verbatim

e0

“leaf miner, Liriomyza trifolii (Burgess) and population of pumpkin caterpillar, Diaphania indica (Saunders) and plume moth, Sphenarches caffer (Zeller) were significantly positively correlated with afternoon RH (r=0.60* and 0.59*, respectively)”

✓ located verbatim in the source · abstract, characters 672–916 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Sphenarches caffer population correlated significantly positively with afternoon relative humidity.

Taxon
Sphenarches cafferSphenarches caffere0
Treatment
afternoon RHe0
Interactor
snake gourdTrichosanthes cucumerinat0host
Outcome
populatione0
Direction
positivelye0
Qualifier
r=0.60* and 0.59*, respectivelye0

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

Sphenarches caffer
Sphenarches caffer · TaxonKomal et al. (2021) · CC BY 4.0 · Wikimedia Commons ↗
Trichosanthes cucumerina
Trichosanthes cucumerina · InteractorOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Schema note from the model: Three insect species are followed by only two coefficients, so coefficient assignment is unresolved.

Verbatim

e0

“leaf miner, Liriomyza trifolii (Burgess) and population of pumpkin caterpillar, Diaphania indica (Saunders) and plume moth, Sphenarches caffer (Zeller) were significantly positively correlated with afternoon RH (r=0.60* and 0.59*, respectively)”

✓ located verbatim in the source · abstract, characters 672–916 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Aulacophora spp. population correlated positively with total rainfall (r=0.69*).

Taxon
Aulacophora spp.Aulacophorae0
Treatment
total rainfalle0
Interactor
snake gourdTrichosanthes cucumerinat0host
Outcome
populatione0
Direction
positivee0
Value
r=0.69*e0

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

Aulacophora
Aulacophora · TaxonRosa Henderson & Trevor Crosby, Landcare Research · CC BY 3.0 au · Wikimedia Commons ↗
Trichosanthes cucumerina
Trichosanthes cucumerina · InteractorOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Verbatim

e0

“pumpkin beetle, Aulacophora spp. population showed significant positive correlation with total rainfall (r=0.69*)”

✓ located verbatim in the source · abstract, characters 918–1031 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Leaf hopper species correlated negatively with total rainfall (r=-0.60*).

Taxon
leaf hopper speciese0
Treatment
total rainfalle0
Interactor
snake gourdTrichosanthes cucumerinat0host
Outcome
negative correlatione0
Direction
negativee0
Value
r=-0.60*e0

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

Trichosanthes cucumerina
Trichosanthes cucumerina · InteractorOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Verbatim

e0

“leaf hopper species had significant negative correlation with total rainfall (r=-0.60*)”

✓ located verbatim in the source · abstract, characters 1033–1120 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Nesidiocoris tenuis population correlated negatively with sunshine hours (r=-0.65*).

Taxon
Nesidiocoris tenuisNesidiocoris tenuise0
Treatment
sunshine hourse0
Interactor
snake gourdTrichosanthes cucumerinat0host
Outcome
populatione0
Direction
negativee0
Value
r=-0.65*e0

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

Nesidiocoris tenuis
Nesidiocoris tenuis · TaxonGüney Baloğlu · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichosanthes cucumerina
Trichosanthes cucumerina · InteractorOng Jyh Seng · CC BY-SA 4.0 · iNaturalist ↗

Verbatim

e0

“mirid bug, Nesidiocoris tenuis (Reuter) population exhibited significant negative correlation with sunshine hours (r=-0.65*)”

✓ located verbatim in the source · abstract, characters 1131–1255 · show in text ↑
t0

“snake gourd”

✓ located verbatim in the source · title, characters 66–77 · show in text ↑