Control of Sugarcane Shoot Borer Chilo infuscatellus Snellen with Granulosis Virus and Cultural Practices


Abstract

A field experiment was conducted during 1991-92 crop season at Sathiamangalam, Periyar district, Tamil Nadu, on the control of sugarcane shoot borer, Chilo infuscateiius using granulosis virus (GV) and cultural methods of control. The shoot borer infestation was significantly less in plots treated with GV and plots treated with GV+ cultural practices, than in control. Application of GV at 107 inclusion bodies/ml on 35 and 50 days after planting significantly reduced the shoot borer infestation compared to other treatments. All the treatments gave increased cane yieldover control. The GV treatment alone resulted in a cost benefit ratio of 1:2.54 whereas it was 1:2047 for trash muiching, 1:2.46 for GV application and 1:2.43 for GV+ earthing up.


Keywords

Chilo infuscatellus, Control, Granulosis Virus, Cultural Practices.

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