ECO-FRIENDLY APPROACHES FOR THE MANAGEMENT OF MAJOR INSECT PESTS OF VEGETABLE PIGEONPEA

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dc.contributor.advisorGOPALI, J. B.
dc.contributor.authorA. P., HARSHITA
dc.contributor.otherN., BASAVARAJA
dc.contributor.otherS. H., RAMANAGOUDA
dc.contributor.otherD. L., RUDRESH
dc.contributor.otherMULLA, S. R.
dc.date.accessioned2023-07-08T06:37:44Z
dc.date.available2023-07-08T06:37:44Z
dc.date.issued2021-01
dc.description.abstractStudies on eco-friendly approaches for the management of major insect pests of vegetable pigeonpea was carried out at College of Horticulture, University of Horticultural Sciences, Bagalkot during 2018-2020. A total number of 25 insect species belonging to seven orders viz., Lepidoptera, Hemiptera, Coleoptera, Diptera, Orthoptera, Thysanoptera and Hymenoptera were recorded during the period of investigation. Among which pod borer, Helicoverpa armigera (Hubner); blue butterfly, Lampides boeticus (Linnaeus); pod fly, Melanagromyza obtusa (Malloch); green plant bug, Nezara viridula (Linnaeus) and pod bug, Clavigralla gibbosa (Spinola) were found as major insect pests of vegetable pigeonpea. The peak activity of pod borer and blue butterfly was noticed at 46th SMW (November) however, the maximum population of green plant bug, pod bug and pod fly were noticed at 46th SMW (November), 50th SMW (December) and 4th SMW (January), respectively. The influence of different date of sowing and varieties on the incidence of major insect pests revealed that early sown vegetable pigeonpea var ICP 7035 (June 15th) registered lower incidence of insect pests and higher grain pod yield. The efficacy of different insecticides tested against pod borer and blue butterfly revealed that two sprays of chlorantraniliprole 18. 5 SC at 0.2 ml/l and cyantraniliprole 10 OD at 1.2 ml/l were found highly effective. Whereas, higher green pod yield of 66.96 q/ha was recorded in the plots treated with chlorantraniliprole 18. 5 SC at 0.2 ml/l with highest B: C ratio (6.59). Evaluation of insecticides against pod fly and pod bugs suggested that sequential application of chlorantraniliprole 18.5 SC at 0.2 ml/l - acephate 75 SP at 1.0 g/ml was effective in reducing the seed damage by pod fly and pod bugs and resulted in higher green pod yield (60.98 q/ha) and B: C ratio (5.40). Among the different IPM modules, the ecofriendly integrated module comprising of i) sorghum as mixed crop at 100 g per hectare, ii) application of neem cake at 250 kg per hectare at the time of sowing, iii) first spray of HearNPV (1 x 109 POB/ml) + azadirachtin 10000 ppm at 1.0 ml per litre, iv) spraying of chlorantraniliprole 18.5 SC at 0.2 ml per litre after ten days of first spray, v) spraying of acephate 75 SP at 1.0 g per litre + sweetener after ten days of second spray, vi) spraying of fipronil 5 EC at 1.0 ml per litre + sweetener after ten days of third spray, vii) spraying of Flubendiamide 480 SC at 0.2 ml per litre after ten days of fourth spray can be employed in vegetable pigeonpea instead of superior chemi intensive module to effectively manage insect pests of vegetable pigeonpea.en_US
dc.identifier.otherUHS17PGD202
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810198057
dc.keywordsHorticulture, Entomology, Eco-friendly, Pigeonpea, Species, Spinola, Malloch, Flubendiamide, Hubner, Lampides Boeticus, Linnaeus, Lepidoptera, Hemiptera, Coleoptera, Diptera, Orthoptera, Thysanoptera, Hymenoptera, UHS17PGD202, T691.en_US
dc.language.isoEnglishen_US
dc.pages193p. (Due to pdf. conversion there is a difference in pages of soft copy and hard copy).en_US
dc.publisherUniversity of Horticultural Sciences Bagalkot. (College of Horticulture, Bagalkot).en_US
dc.subEntomologyen_US
dc.themeECO-FRIENDLY APPROACHES FOR THE MANAGEMENT OF MAJOR INSECT PESTS OF VEGETABLE PIGEONPEAen_US
dc.these.typePh.Den_US
dc.titleECO-FRIENDLY APPROACHES FOR THE MANAGEMENT OF MAJOR INSECT PESTS OF VEGETABLE PIGEONPEAen_US
dc.typeThesisen_US
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