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SUSCEPTIBILTY OF PROMISING SUGARCANE VARIETIES TO STALK BORER , CHILO AURICILIUS DUDGEON UNDER DIFFERENT LEVELS OF NITROGEN

DOI: 10.5958/0976-0547.2014.01003.9    | Article Id: D-3962 | Page : 207 - 210
Citation :- SUSCEPTIBILTY OF PROMISING SUGARCANE VARIETIES TO STALK BORER , CHILO AURICILIUS DUDGEON UNDER DIFFERENT LEVELS OF NITROGEN .Agricultural Science Digest.2014.(34):207 - 210
Address : PAU, Regional Research Station, Gurdaspur 143 521, India

Abstract

A study on susceptibility of promising sugarcane varieties to stalk borer , Chilo auricilius Dudgeon with different levels of nitrogen  was conducted at PAU, Regional  Research Station Gurdaspur during the year 2010-11 and 2011-12. The pooled mean of both the years showed that sugarcane variety CoJ 89 significantly had less (24.53%) incidence of stalk as compared to other two varieties i.e.  CoH 119 (29.28%) and CoJ 85 (35.15%). The incidence of stalk borer increased from 3.70 t0 69.63 percent with increase in nitrogen level from 0 to 90 kg N/ac. The highest cane yield was obtained from the CoH 119 variety at 60 kg N/ac.

Keywords

Chilo auricilius Insect-pest Nitrogen Stalk borer Sugarcane Variety.

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