Abstract
The experiment was conducted at the Sugarcane Research Station, Cuddalore for assessing the efficacy of adoption of higher sett rate at planting to manage shoot borer damage. The cumulative incidence of shoot borer reduced progressively in the plots planted with a higher number of setts. The mean shoot borer incidence was found to decrease in all the higher sett rate plantings. The same trend was also observed during the I, II and III year trials. Among the different sett rates economic advantage in terms of yield and benefit was more conspicuous when 30% hike in sett rate over the conventional rate was followed. The mean reduction of shoot borer varied from 3.80 to the highest of 39.16% among the different sett rates tested as against the conventional rate. The gross benefit ratio was 2.165 under 30% increased sett rate. This technique being a cultural and ecofriendly one could be specifically advocated to late season planted sugarcane (March to June) and shoot borer endemic locations.
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