Biochemical Basis of Resistance in Sugarcane to Early Shoot Borer, Chilo infuscatellus

Biochemical basis of resistance to early shoot borer, Chilo infuscatellus Snellen (Lepidoptera: Crambidae) in four least susceptible, four moderately susceptible and four highly susceptible sugarcane genotypes, in comparison with one susceptible check, were carried out at the Regional Agricultural Research Station, Anakapalle, Andhra Pradesh, during 2009–10. The shoot tissues of LS genotypes (98 A 125, Co 0110, Co 6806 & 98 A 165) with low total sugar (5.34 to 6.38%) and reducing sugar (0.078 to 0.089%) content showed positive correlation with susceptibility to ESB whereas high acid detergent fibre (54.79 to 57.26%), neutral detergent fibre (24.09 to 27.20%), lignin (6.61 to 7.09%), silica (1.33 to 1.53%), cellulose (25.95 to 28.58%) and total phenol(11.20 to 12.30 mg/g) content indicated negative correlation.