Grape varieties estimation at Lisavenko Research Institute of Horticulture of Siberia

The estimation of grape varieties obtained from different regions have been carried out in conditions of foreststeppe of Altai Krai. Methods proposed by State Variety Testing Agency have been used. The collection includes 195 varieties both domestic and foreign origin. Within 20 years of investigation there were no damage of roots as well as annual and perennial sprouts. Up to 74.2 % of buds were died because of asphyxiation. Fourteen varieties have been selected for high winter hardiness. Bud breaking was observed at May 1-20. The mean period of fl owering was June 6-28, berries ripening was September 12-24. Leaf fall was not observed. The largest berries (3.9-9.5 g) and bunches (209-1500 g) were observed on 11-th varieties. Palatability of fresh berries was ranged from 3.5 to 9.8 points. Soluble solids in berries were ranged from 10.1 up to 23.8 %, sugar - 5.7-23.7 %, acidity - 0.3-2.3 %. The average yield was ranged from 2.7 to 8.0 kg/bush, up to maximum of 25.0 kg/bush. Signifi cant variation in productivity for most of varieties have been recorded (20.4-53.8 %). Statistically it was proved that the yield of grapes infl uenced by the factor the year is 41.7 % as well as by factor of variety origin is 30.0 %. Rest of factors have infl uence totally 28.3 %. Wasps were indicated as main pest. Resistance to mildew was shown by 132 varieties. Ripening of shoots was ranged from 26 to 93 %. As exception in 2013 at most of varieties shoots were ripened at low level (0-36.9 %). As a results of long period estimation it have been selected 31 varieties of grape distinguished by range of economically valuable features. Promising varieties are recommended for cultivation in climate condition of South part of Western Siberia.

виноград, интродукция, коллекция, сорт, фенология, зимостойкость, грозди, ягоды, био- химический состав, урожайность, вызревание побегов, устойчивость, болезни, вредители, grapes, plant introduction, collection, variety, phenology, winter hardiness, bunches, berries, biochemical composition, productivity, ripening of shoots, resistance, diseases, pests

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