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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 3
Field screening of blackgram genotypes against spotted pod borer, Maruca vitrata (Geyer)

Manjunath G Naik and CP Mallapur

Fifteen blackgram genotypes were screened for their resistance against spotted pod borer, M. vitrata under field condition at Main Agricultural Research Station, Dharwad. Based on per cent pod damage, The five genotypes, LBG-685 (8.25%), WBU-108 (9.25%), COBG-653 (9.35%), VBN-05 (9.30%) and PU-31(10.10%) were found as tolerant and LBG-631 (32.35%), VBG10-024 (31.60%), RUG-10 (32.85%), KUG-586 (32.80%) and PUSA-9531(31.25%) genotypes showed susceptibility while DU-1(16.85%), DBGV-05 (17.30%), PU-30 (21.35%) and PU-40 (22.35%) were categorized as moderately resistant. The cultivar, COBG-761 (28.15%) exhibited moderately susceptible reaction. The highest per cent infestation of spotted pod borer was registered in the genotype VBG10-024 (69.29%). The lowest number of larval webs were recorded in genotype WBU-108 (1.51webs/Pl) while, the highest was observed in VBG10-024 (5.14 webs/Pl). The maximum pod damage was found in RUG-10 (32.85%) and significantly least pod damage was noticed in LBG-685 (8.25%).
Pages : 631-634 | 927 Views | 358 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Manjunath G Naik, CP Mallapur. Field screening of blackgram genotypes against spotted pod borer, Maruca vitrata (Geyer). J Entomol Zool Stud 2019;7(3):631-634.

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