Anatoli ILIEV, Violeta DIMITROVA, Valeriy PEYKOV, Neli PRODANOVA – MARINOVA

Technological Investigations for Improvement of Grapevine Propagation Material Production in Bulgaria. Part I. Results of Affinity Study and Comparative Testing of Paraffins in the Production of Grafted Rooted Vines

Anahtar Kelimeler:

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Technological Investigations for Improvement of Grapevine Propagation Material Production in Bulgaria. Part I. Results of Affinity Study and Comparative Testing of Paraffins in the Production of Grafted Rooted Vines

The investigations were carried out at the Institute of Viticulture and Enology – Pleven, Bulgaria, in the period 2011-2013. To study the biological affinity of the newly-selected red wine variety Storgozia at IVEPleven cuttings from that variety were grafted to rootstocks widely used in viticultural practice - Berlandieri x Rupestris 110 Rihter (110R); Riparia x Rupestris Kordifolia 44-53 Malegue (44-53M), Berlandieri x Riparia SO4 control. The best callus formation at the site of grafting during stratification was found in the case of grafting of Storgozia variety to rootstock 44-53 M - 85.8%. The strongest growth was also induced by the rootstock 44-53 M. The yield of first-class vines with 44-53 M (50.4%) was almost identical to that obtained with SO4 - 50.9%. Comparative study of paraffins Aktigref, Rebvaks VF and Proaktigref for applying after cuttings transplantation was carried out for determining the stimulation of callus induction at the site of grafting and prevention of tissue dehydration. The best results (percentage of first-class vines) were obtained using Rebvaks VF - 44.4%

Keywords:

vine propagation material, technology, nursery, affinity paraffins,

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