International Sugar Journal

Morphological basis of host plant resistance in sugarcane to early shoot borer, Chilo infuscatellus Snellen [Full subscriber]

Studies on morphological basis of resistance to early shoot borer(ESB), 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, India during 2008-10. The leaf sheath thickness showed negative correlation (r= -0.89) and shoot girth showed positive correlation (r = 0.94) with susceptibility to ESB in different sugarcane genotypes whereas leaf inclination showed positive correlation with ovipositional preference of ESB moth (r =0.88) as well as with ESB susceptibility (r = 0.81). No relationship…

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