BIOLOGICAL ASSESSMENT OF THE INTRODUCED VARIETIES OF EASTERN PERSIMMON IN THE DRY SUBTROPICS OF SOUTHERN DAGESTAN
2019
A. V. Ryndin | N. G. Zagirov | N. A. Ibragimov
The aim of the research is to study the characteristics of growth, development and biochemical composition of the introduced varieties of eastern persimmon in the conditions of Southern Dagestan. Long-term studies for 2015-2018 were carried out with the use of generally accepted programs and classical methods of sorting and selection studies. As a result, the biological features of the passage of phenological phases of development of introduced varieties of persimmon eastern specific territory were studied to optimize plantings in industrial plantations and peasant farms, persimmon varieties were proposed that are characterized by valuable economic and biological characteristics and properties with the aim of increasing yields, where the fruit harvest from 1 tree and the yield from 1 ha is allocated the East Hiakume persimmon variety (317.2 g; 58.6 kg and 293.0 c/ha). According to the peculiarities of growth and development in cultivation in the conditions of Southern Dagestan, it was found that the highest height of the tree is the Hachia variety (4.74), the crown diameter the Giro variety (4.26), and the trunk circle the Hachia variety (31.7 cm). A biochemical analysis of the fruits of the main assortment of Eastern persimmon fruits was performed, which showed that the Hachia variety was distinguished by the dry matter content, the amount of sugars and vitamin C (19.3%, 13.6% and 46.5 mg%, respectively).
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