Kriti Nigam1, P.K. Bhagat2, G.P. Painkra*3, K.L. Painkra4, Neelam Chouksey5
and Sachin Kumar Jaiswal6
1-4,6Department of Entomology, 5Department of Statistics, IGKV-Raj Mohini Devi College of Agriculture and Research Station, Ambikapur (497001) Surguja (Chhattisgarh), India
Email: krits.nigam@gmail.com
Received-25.07.2022, Revised-11.08.2022, Accepted-24.08.2022
Abstract: The research was carried out to investigate the screening of blackgram genotypes against pod borer (Helicoverpa armigera Hubner) during Kharif season 2021 at experimental area of Research-cum-Instructional Farm of Raj Mohini Devi College of Agriculture and Research Station, Ambikapur, Surguja district of Chhattisgarh. The experiment was conducted in Randomized block design with three replications comprising of twelve genotypes and one check variety viz., Indira urd-1. The damage caused by pod borer was recorded at weekly interval i.e., 41 SMW (14th – 20th October) and 42nd SMW (21st – 27th October). All twelve genotypes were showed significantly difference with each other which ranges between 7.21 to 24.06 percent pod damage. Among blackgram genotypes minimum pod damage by H. armigera was observed in genotype IU 03-52 with 7.21 percent and categorized as resistant (R) while maximum pod damage was recorded in genotypes IU 02-1-3 with 24.06 percent were categorized as moderately resistant (MR). The data on grain damage were recorded at the time of harvest and was recorded minimum in IU 03-52 with 6.47 percent and maximum in IU 02-1-3 with 11.90 percent.
Keywords: Black gram, Genotypes, Pod damage, Pod borer, Screening, Vigna mungo
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