Abstract
General (GSI) and specific (SSI) selection indices were constructed for three open-mating populations of sugarcane (Saccharum spp.) seedlings and their ratoon stages. Though specific indices were found to be the most effective in improving mean brix yield in their own source populations, but the GSI was better to SSI in other populations as indicated by higher mean values and more number of superior clones at selection and evaluation stages. This indicated the wider applicability of the GSI over SSI. Inspite of better expected genetic advance through GSI in ratoon crop, the actual gain in brix yield attained, through GSI, was better in seedlings.
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