Effect of rootstocks on growth parameters of red globe grapevines (Vitis vinifera L.)

The present investigation was conducted for two years (2018-19 and 2019-20) to study the effect of rootstocks (Dogridge, 110R, 140Ru, Salt Creek and own roots of Red Globe) on growth parameters of Red Globe grapevines. The vigour and growth parameters such as pruning weight was found maximum on vines grafted on Dogridge rootstocks while minimum days to sprout and cane maturity was recorded in own rooted Red Globe vines. Number of canes/vine, shoot length, shoot diameter, leaf area and stock: scion ratio varied significantly among the rootstocks and were found maximum in vines grafted on Dogridge rootstock followed by Salt Creek and 110R rootstocks. The present study revealed that Red Globe grapevines grafted on Dogridge followed by Salt Creek rootstock proved better for growth parameters but in terms of growth period Red Globe own rooted vines was early to sprout and took minimum days for cane maturity over the vines grafted on rootstocks.

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