Claim · model-written summary
Chlorpyriphos spray suppressed H. armigera larvae to 0.81 per plant.
- Taxon
- pigeonpea
Cajanus cajant0 - Treatment
- two sprays of chlorpyriphos 0.25%e0
- Interactor
- H. armigera
Helicoverpa armigerae0pest - Outcome
- larval population of H. armigerae0
- Direction
- suppressinge0
- Value
- 0.81 larvae/plante0
- Comparator
- other treatmentse0
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

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Verbatim
e0“two sprays of chlorpyriphos 0.25% at fortnightly interval was significantly superior over other treatments in suppressing the larval population of H. armigera (av. 0.81 larvae/plant)”
t0“pigeonpea”
Title
G. V. Suneel Kumara; L. Vijaya Bhaskarb; Y. Satishc; et al. Journal of Applied Biology & Biotechnology 2016. doi:10.7324/jabb.2016.40107
Other claims from this paper (11)
- Intervention effect Chlorpyriphos spray suppressed M. vitrata larvae to 0.80 per inflorescence.
- Observation Chlorpyriphos spray produced minimum pod damage of 5.07%.
- Observation Chlorpyriphos spray produced minimum seed damage of 3.24%.
- Observation Chlorpyriphos spray produced maximum yield of 16.9 q/ha.
- Intervention effect Bt strain NBAII-BtG4 at 2% was at par with insecticide for pod damage of 5.30%.
- Observation Bt strain NBAII-BtG4 at 2% was at par for seed damage of 3.91%.
- Observation Bt strain NBAII-BtG4 at 2% was at par for yield of 15.3 q/ha.
- Observation Bt strain NBAII-BtG4 at 2% left 1.01 H. armigera larvae per plant.
- Observation Bt strain NBAII-BtG4 at 2% left 1.10 M. vitrata larvae per inflorescence.
- Intervention effect PDBC-BT1 at 2% was equally effective as the superior treatments.
- Recommendation The authors recommend encouraging biopesticides as eco-friendly insecticides.