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Biochemically Induced Variations During Some Phenological Stages in Thompson Seedless Grapevines Grafted on Different Rootstocks.

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Title Biochemically Induced Variations During Some Phenological Stages in Thompson Seedless Grapevines Grafted on Different Rootstocks.
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Creator Jogaiah, S., D. P. Oulkar, K. Banerjee, J. Sharma, A.G. Patil, S.R. Maske and R.G. Somkuwar
 
Subject Thompson Seedless, rootstocks, budburst, fruitfulness, peroxidase, proteins, phenols, amino acids
 
Description Not Available
Phenological variation in Thompson Seedless grapevines grafted on different rootstocks and own rooted vines was assessed for two consecutive years and the reasons for such variations were studied through biochemical analysis. Uniform and early bud sprouting was recorded in the vines grafted on 110R rootstock and on own roots, which was attributed to increased peroxidase activity and protein content in the buds before bud burst. Increased fruitfulness on 110R rootstock and own rooted vines was attributed to the increased phosphorus and protein content of those vines and reduced vegetative vigour measured in terms of shoot length, cane diameter and pruned biomass. Thompson Seedless grafted on Dogridge rootstock recorded the highest nitrogen content, increased shoot length, cane diameter and increased pruned biomass attributing to reduced fruitfulness. The highest concentration of phenolic compounds and amino acids was recorded in the fruits produced on 110R rootstock, while it was least on St. George and own roots. Significant variation in the accumulation pattern of amino acids (especially proline and arginine) was observed, with the least proline/arginine ratio recorded on 110R rootstocks at the time of harvest, indicating the variation in the days taken for fruit ripening on different rootstocks.
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Date 2020-08-01T15:46:46Z
2020-08-01T15:46:46Z
2013-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/38869
 
Language English
 
Relation Not Available;
 
Publisher S. Afr. J. Enol. Vitic.