Articles
GROWTH AND QUALITY OF TWO GRAPEVINE CULTIVARS AS AFFECTED BY PRUNING SEVERITY
Article number
441_43
Pages
309 – 316
Language
Abstract
The response of two grapevine cultivars was studied with respect to different bud load treatments.
Pruning treatment of 30 buds/vine as well as 96 buds/vine possessed the highest percentage of vegetation as well as the lowest percentage of fruitful buds for King Ruby and Thompson Seedless respectively.
Increasing bud load/vine decreased the current seasons’s shoot length and this may be attributed to the competition between the shoots of treatments of high bud load.
Pruning treatment of 30 buds/vine as well as 96 buds/vine possessed the highest percentage of vegetation as well as the lowest percentage of fruitful buds for King Ruby and Thompson Seedless respectively.
Increasing bud load/vine decreased the current seasons’s shoot length and this may be attributed to the competition between the shoots of treatments of high bud load.
As a general conclusion, the yield/vine progressively increased by increasing bud load.
However, such correlation is true up to specific limits, since increasing bud load of Thompson Seedless more than 96 buds/vine exhibited an opposite reaction.
Generally under the condition of this trial, it could be mentioned that bud load at 30 buds/vine for King Ruby and 72& 96 buds/vine for Thompson Seedless were considered the most optimum for producing higher yield with best physical properties of clusters: Also lighter bud loads (12 or 60 buds/vine) as well as heavier one (108 buds/vine) were not recommended.
Authors
A.T. Salem, A.S. Kilani, G.S. Shaker
Keywords
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