Different genotypes are to be classified into clusters based on genetic diversity for any plant improvement programme. Further the extent of genetic divergence between them needs to be estimated. D 2 statistics is one of the powerful tools to assess the relative contribution of different component traits to the total diversity, to quantify the degree of divergence and to choose genetically diverse parents for obtaining desirable recombinants. The present study was conducted at Horticultural College and
Field experiment conducted during 1998-2000 in red banana revealed significant variations in maturity, yield and quality attributes due to pre-harvest sprays of GA2, MnSO4 and K2SO4 soil mulch by coir waste and covering the bunches with 0.5% and 1.0% ventilated 100 gauge blue polythene sleeves. Among the treatments, covering the bunches with 1% ventilated 100 gauge blue polythene sleeves after opening of the last hand significantly reduced the time taken for maturity from 138.5 days in control to 110 days. The bunch yield was found to be significantly higher in this treatment (13.5 kg) than in control (11.6). Quality attributes viz. TSS, sugars and peel colour of the fruit were also enhanced due to covering bunches with 1% ventilated blue polythene sleeves.
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