Abstract
Evaluation of different sweet orange cultivars on three rootstocks was conducted during 2012 and 2013. Different rootstock scion interactions influenced vegetative, fruit quality and yield characteristics. Vernia, Olinda Valencia and Rhode Red sweet orange varieties under the study were found to produce tall plants while Midknight Valencia had maximum dwarfing character. Similar results of these varieties were observed for canopy volume also. Volkameriana was found to produce significantly more vigorous plants then the other two trifoliate rootstocks. The scion circumference was maximum in Vernia and minimum in Midknight. Combination of Olinda Valencia and Benton resulted into maximum scion circumference. Influence of scion variety on stock circumference was maximum with Olinda Valencia while among rootstocks Volkameriana contributed maximum for this parameter. As per fruit quality parameters, Olinda recorded maximum value for fruit weight, peel weight and percent juice content. Highest TSS level was also observed in Olinda while Midknight recorded maximum value for acidic content. Hamlin was found to generate maximum yield efficiency with Trovita and Rhode Red statistically at par with it. Stock-scion combination of Trovita budded on Volkameriana registered maximum yield efficiency.
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