E3S Web Conf.
Volume 210, 2020Innovative Technologies in Science and Education (ITSE-2020)
|Number of page(s)||10|
|Section||Plant Growing and Cereal Grain|
|Published online||04 December 2020|
Ampelographic description, ampelometric screening and agrobiological characteristics of the Donus grape variety
All-Russian Research Ya.I.Potapenko Institute of Viticulturel and Winemaking - Branch of Federal State Budget Scientific Institution "Federal Rostov Agricultural Research Centre", 346421, Baklanovsky av., 166, Novocherkassk, Russia
* Corresponding author: LAfirstname.lastname@example.org
The agrobiological and ampelographic characteristics of the Donus interspecific grape variety are given. A variety of universal use, average ripening period, the duration of the production period for 2010-2019 was 146 days with the sum of active temperatures 3297 0C. The variety is characterized by high winter hardiness. With a sum negative temperature of 586 0C and an absolute minimum of minus 25 0C, the live buds from 49% to 72.8%. Fruit shoots 90-100%, fruitfulness ratio 1.8. Yield / bush ≥ 6.9 kg with a planting pattern of 3 m × 1.5 m. It has bisexual flower, clusters of medium density, cylindro-conical with 1 -2 wings, weighing 212 g. The berry is oval, greenish-yellow, weighing about 3 g. The parameters of the berry are 14.6 × 13.4 mm. The pulp is juicy with muscat aroma. Differs in moderate sugar accumulation with moderate acidity. Resistance to mildew and oidium is high. The variety has been defined as a donor of mildew resistance. It is used for the production of juices, dry and sparkling wines, fresh consumption. The wine degustation evaluation is on average 8.5 points on a ten-point scale. The Donus is a perspective variety for commercial vitiviniculturel.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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