الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
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Abstract
Under the experimental and resembling conditions, it is preferable to spray potassium silicate at 0.1% + selenium at 25 ppm three times at growth start, just after berry setting and at veraison stage for improving the yield of Crimson seedless grapevines. For improving quality of the berries, it is suggested to spray ethrel at 125 ppm+ proton at 50 ppm once at veraison stage.