Studies on Pod Borer Complex and Their Management in Hybrid Pigeonpea
| dc.contributor.advisor | C.P. Mallapur | |
| dc.contributor.author | Manjunath Ajagol | |
| dc.date.accessioned | 2016-11-22T12:52:17Z | |
| dc.date.available | 2016-11-22T12:52:17Z | |
| dc.date.issued | 2012 | |
| dc.description.abstract | Investigations on pod borer complex and their management in hybrid pigeonpea were undertaken at the MARS, UAS, Dharwad during 2011-12. During the study period, eight species of insect pests were recorded on the crop. Among them, Grapholita critica and Euproctis spp. were found in vegetative stage with peak population during third and fourth week of August, respectively. Maruca testulalis, Helicoverpa armigera, Exelastis atomosa, Clavigralla gibbosa and Ceutorhynchus asperulus occurred in reproductive stage with peak population during 1st week of November, 1st week of December, 2nd week of December, 3rd week of November and 4th week of November, respectively. The natural enemies viz., spiders, wasps and ladybird beetles were found in negligible numbers. Higher pod damage was observed due to H. armigera (52.49 and 49.27%, in ICPH 2671 and Maruti, respectively) over Melanagromyza obtusa, E. atomosa and C. Gibbosa. There was no significant difference between ICPH 2671 and Maruti with respect to pest population and pod damage. Crop loss due to pod borer complex revealed the superiority of the crop sown on 20th of June by recording least crop loss over protection (444 and 302 kg/ha in ICPH 2671 and Maruti, respectively) and per cent crop loss over protection (19.77 and 22.94% in ICPH 2671 and Maruti, respectively) with highest grain yield over the crop sown on 5th of July. However, the crop sown on 20th of July was found to be inferior. Pesticide based IPM module was cost effective by recording highest grain yield (2819 kg/ha) and BC ratio (4.09) followed by recommended package of practice (2441 kg/ha grain yield and 3.85 BC ratio) and biointensive IPM module (2174 kg/ha grain yield and 3.29 BC ratio). | en_US |
| dc.identifier.uri | http://krishikosh.egranth.ac.in/handle/1/86928 | |
| dc.publisher | UAS, Dharwad | en_US |
| dc.research.problem | Studies on Pod Borer Complex and Their Management in Hybrid Pigeonpea | en_US |
| dc.sub | Agricultural Entomology | en_US |
| dc.theme | Studies on Pod Borer Complex and Their Management in Hybrid Pigeonpea | en_US |
| dc.these.type | M.Sc | |
| dc.title | Studies on Pod Borer Complex and Their Management in Hybrid Pigeonpea | en_US |
| dc.type | Thesis | en_US |