Abstract
Field experiment on seasonal abundance of insect pests of ash gourd was conducted by direct counting in farmer’s holdings in Tamil Nadu during 2015-2016. Result revealed that that the major sucking pests were whitefly (Bemisia tabaci), leaf hopper (Amrasca devastans), aphids (Myzus persicae) and thrips (Scirtothrips dorsalis). The peak population of A. devastans, B. tabaci and M. persicae was recorded in second and third week of January (3.30 / three leaves / plant, 0.30 / three leaves / plant and 11.20 / three leaves / plant). Population of S. dorsalis was recorded to be the highest during third week of March (7.50/ three leaves / plant). Correlation analysis between weather parameters and abundance of insect pests of ash gourd revealed that temperature, morning relative humidity and sunshine hours played a major role with significant positive influence on the population build up of sucking pests viz., whiteflies, leafhoppers, aphids and thrips. All the abiotic parameters were significant at 5% and 1% level.
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Claims 6
Claim · model-written summary
Four major sucking pests were recorded on ash gourd.
- Taxon
- ash gourd
Benincasa hispidat0 - Interactor
- Bemisia tabaci
Bemisia tabacie0pest - Outcome
- major sucking pestse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“major sucking pests were whitefly (Bemisia tabaci), leaf hopper (Amrasca devastans), aphids (Myzus persicae) and thrips (Scirtothrips dorsalis)”
t0“ash gourd”
Claim · model-written summary
Leafhopper peak was 3.30 per three leaves per plant in January.
- Taxon
- ash gourdBenincasa hispidat0
- Interactor
- A. devastanse0pest
- Outcome
- peak population of A. devastanse0
- Direction
- peake0
- Value
- 3.30 / three leaves / plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The peak population of A. devastans, B. tabaci and M. persicae was recorded in second and third week of January (3.30 / three leaves / plant, 0.30 / three leaves / plant and 11.20 / three leaves / plant).”
t0“ash gourd”
Claim · model-written summary
Whitefly peak was 0.30 per three leaves per plant in January.
- Taxon
- ash gourdBenincasa hispidat0
- Interactor
- B. tabaciBemisia tabacie0pest
- Outcome
- peak population of A. devastans, B. tabacie0
- Direction
- peake0
- Value
- 0.30 / three leaves / plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The peak population of A. devastans, B. tabaci and M. persicae was recorded in second and third week of January (3.30 / three leaves / plant, 0.30 / three leaves / plant and 11.20 / three leaves / plant).”
t0“ash gourd”
Claim · model-written summary
Aphid peak was 11.20 per three leaves per plant in January.
- Taxon
- ash gourdBenincasa hispidat0
- Interactor
- M. persicae
Myzus persicaee0pest - Outcome
- peak population of A. devastans, B. tabaci and M. persicaee0
- Direction
- peake0
- Value
- 11.20 / three leaves / plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The peak population of A. devastans, B. tabaci and M. persicae was recorded in second and third week of January (3.30 / three leaves / plant, 0.30 / three leaves / plant and 11.20 / three leaves / plant).”
t0“ash gourd”
Claim · model-written summary
Thrips peak was 7.50 per three leaves per plant in March.
- Taxon
- ash gourdBenincasa hispidat0
- Interactor
- S. dorsalis
Scirtothrips dorsalise0pest - Outcome
- Population of S. dorsalise0
- Direction
- higheste0
- Value
- 7.50/ three leaves / plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population of S. dorsalis was recorded to be the highest during third week of March (7.50/ three leaves / plant).”
t0“ash gourd”
Claim · model-written summary
Temperature, morning humidity and sunshine were significantly positively associated with sucking pest population build up.
- Taxon
- ash gourdBenincasa hispidat0
- Treatment
- temperature, morning relative humidity and sunshine hourse0
- Outcome
- population build up of sucking pestse0
- Direction
- positivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“temperature, morning relative humidity and sunshine hours played a major role with significant positive influence on the population build up of sucking pests viz., whiteflies, leafhoppers, aphids and thrips. All the abiotic parameters were significant at 5% and 1% level.”
t0“ash gourd”