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Effect of shoot orientation on growth, biochemical changes and fruitfulness in Thompson Seedless (Vitis vinifera L.) grapes.

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Title Effect of shoot orientation on growth, biochemical changes and fruitfulness in Thompson Seedless (Vitis vinifera L.) grapes.
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Creator Somkuwar, R. G. and S. D. Ramteke
 
Subject Shoot orientation, Thompson Seedless
 
Description Not Available
Studies on biochemical changes and fruitfulness in relation to shoot orientation of horizontally, downward and upward position of shoots were carried out in Thomson Seedless (Vitis vinifera L.) grapes at the experimental farm of National Research Centre for Grapes, Manjri Farm, Pune during the year 2005-2006. The results revealed that the maximum shoot length and higher shoot diameter were recorded at upward positioned shoot. Increase in shoot length, numbers of leaves and leaf area was also found maximum in the same treatment. The upward positioned shoots recorded higher chlorophyll content. However, the carbohydrate content in petiole was higher in downward positioned shoots than the horizontal and upward positioned shoots. The higher photosynthesis and conductance was recorded in downward positioned shoots. The transpiration rate was higher at shoot positioned horizontally and vertically as compared to downward shoot positioned. The internal CO2 was increased with the increase in leaf age and it was higher in shoot positioned in upward direction. Higher protein content was recorded in leaf in vertically positioned shoots. There was reduction in reducing sugar content with the increase in age of the vine. Maximum bud fruitfulness was recorded in the vertically positioned canopy and the most fruitful zone was recorded 5th to 7th bud in Thompson Seedless grapes.
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Date 2021-07-10T05:43:01Z
2021-07-10T05:43:01Z
2008-01-01
 
Type Research Paper
 
Identifier Somkuwar, R. G. and S. D. Ramteke 2008 Effect of shoot orientation on growth, biochemical changes and fruitfulness in Thompson Seedless (Vitis vinifera L.) grapes. J. Plant Sciences, 3(2): 182-187.
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http://krishi.icar.gov.in/jspui/handle/123456789/47642
 
Language English
 
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Publisher Not Available