Morpho-biological features of growth and development of golden currant in Tashkent province, Uzbekistan

Abstract

This scientific article presents the results of a study on the growth and development of varieties of golden currant in order to identify the most promising for cultivation in the conditions of the Tashkent region. Studies have established that, according to the development of shoots in the above-ground part, the varieties Uzbekistanskaya large-fruited and Elixir differ in vigorous growth, in which the height of the bushes by the end of the second year of vegetation reached 109.7-112.5, and in other varieties this figure was in the range of 88.2-97.5 cm. Of the tested varieties of golden currant, the earliest onset of the flowering phase was observed in the Venera variety March 23, in the rest a little later. The variety of golden currant Rukhshona had the latest start of flowering, in which this phase occurred on March 26, that is, four days later. In the Uzbekistan large-fruited variety, the completion of the flowering phase occurred five days later than in the Uzbek sweet variety. Of the varieties of golden currant, the phase of complete set of berries was observed most intensively within 30 days in the variety Venera. In the Elixir variety, the full set of berries ended two days later, and in the rest within 34-36 days.