Screening of Soybean Genotypes against Major Insect Pests

Author: Bala Muralidhar Naik R.*, Vijaya Lakshmi K., Venkataiah M., Srinivas C., Uma Devi. G. and Radha Krishna K.V.

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Abstract

The field trial was conducted at Regional Agricultural Research Station, Polasa, Jagtial during the kharif seasons 2014-15 and 2015-16 to evaluate eight soybean germplasms comprising of advanced breeding lines, released varieties for resistance against stem fly and tobacco caterpillar. Based on the stem tunnelling and tobacco caterpillar larval incidence the germplasms were categorized into resistance groups. Among the different genotypes, KDS 869, JS 20-98, RSC 10-46, NRC 116, RVS 2008-24, KDS 753, RVS 2008-8 were highly resistant to stem fly and tobacco caterpillar. Whereas, JS 335 was highly susceptible to tobacco caterpillar. On the other hand MACS 1454 was highly susceptible to stem fly and tobacco caterpillar.

Keywords

Soybean, Stem fly, Tobacco caterpillar, Screening, Genotypes.

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