STUDY OF AGROBIOLOGICAL AND TECHNOLOGICAL FEATURES OF PERSPECTIVE CLONES OF GRAPES VARIETY MUSCAT ROSE

Abstract

One of the promising varieties for the production of high-quality sparkling, dessert and liquor wines is the technical variety of pink muscat grapes. The aim of this work is to study the agrobiological and technological features of promising clones of the Pink Muscat variety. The object of study was two clones of the Pink Muscat variety - № 21-2-3 and № 53-10-2, growing on the clone test site (№ 509), the Gurzuf branch of the State Unitary Enterprise of the Republic of Kazakhstan PJSC Massandra on an area of 0.5 hectares. The article provides a statistical analysis of the quantitative characteristics of clones of the Muscat pink variety for 2018-2019, as well as the physicochemical and organoleptic characteristics of grapes and wine materials from clones of this variety of the 2019 crop. It was established that the fruiting coefficients (0.6- 0.65) in the studied clones are at the control level and are characterized as average. The mass of a bunch of clones exceeds the control by 1.4-2.15 times, reaching 322-494 g. The actual yield from the bush is 4.9-6.8 kg, exceeding the control by 2.13-2.96 times. According to the indicator, the shoot productivity in the wet mass of a bunch of 209.3-296.4 g /clone shoot is 1.68-2.38 times higher than the control. Wine materials made from clones of the Muscat pink grape varieties possess the amount of phenolic substances (within 506 mg /dm3 ) and the concentration of the reduced extract (23-25 g/dm3 ) at the control level, which gives grounds for further study of the selected clones in the technology of various types of wines . Tasting evaluation of wine materials also showed their high quality, not inferior to the wine material of the control sample.