Author(s):

U Lakshminarayana, NC Venkateswarlu, KV Hariprasad, R Sarada Jayalakshmi Devi and TNVKV Prasad

Abstract: Groundnut leaf miner, Aproaerema modicella (Deventer) belonging to the family Gelechiidae causing considerable yield losses to groundnut crop. An experiment was conducted to study management of groundnut leaf miner with nano scale NSKE formulations during kharif, 2015. Different concentrations of nano scale Zn coated NSKE treatments were used i.e. nano scale (Zn) coated NSKE formulations @ 5 g/l, nano scale (Zn) NSKE formulations @ 10 g/l, nano scale (Zn) NSKE formulations @ 20 g/l, nano scale (Zn) NSKE formulations @ 30 g/l, and nano scale NSKE formulations @ 50 g/l, without nano scale NSKE formulations @ 50 g/l, quinalphos @ 2.0 ml/l, only silver nano particles @ 100 ppm. The efficacy of all treatments were evaluated at different stages. Results revealed that nano scale (Zn) coated NSKE formulation @ 30 g/l was found to be most effective treatment followed by nano scale NSKE formulations @ 50 g/l, quinalphos @ 2.0 ml/l, only silver nano particles @ 50 g/l, nano scale (Zn) NSKE formulations @ 20 g/l for management of groundnut leaf miner damage and also reduction of Aproaerema modicella larval population.

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