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: LAemail@example.com
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
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