Results of Studying Clonal Apple Rootstocks in Different Ecological Conditions of the Volga-Ural Region

Мережко, О. Е.; Savin, E. Z.; Berezina, T. V.; Mushinskiy, A. A.; Аминова, Е. В.; Korshikov, A. V.

doi:10.31676/2073-4948-2020-63-137-145

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“…An important factor in the development of the root system of clonal rootstocks is influenced by the type of substrate for hilling, which improves the mechanical properties of the soil in uterine plantings and enhances the rooting processes of cuttings [13]. Having monitored domestic and foreign scientific works over the past 20 years, they revealed that it is necessary to use substrates on an intensive mother liquor of clonal apple rootstocks to increase productivity [14][15].…”

Section: Introductionmentioning

confidence: 99%

Prospects for the use of substrates and their influence on the morphometric parameters of clonal rootstocks of apple trees in the forest-steppe zone of the Urals

Мережко

Аминова

2022

IOP Conf. Ser.: Earth Environ. Sci.

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The purpose of our work is to determine the best substrate for a higher yield of standard cuttings in the forest-steppe zone of the Urals. The objects of research were varieties of vegetatively propagated clonal rootstocks of apple trees: selection of the Orenburg branch of the Federal State Budgetary Scientific Institution of the Federal Research Center of Gardening - Ural 7, Ural 3, Ural 5, Ural 11 and 54-118, 64-143 - selection of the Federal State Budgetary Scientific Institution of Higher Education Michurinsky GAU. Planting scheme 1.2 x 0.3 m. In the experiment used a combination of substrates: "soil" (K), "soil + sawdust", "soil + humus". According to the results of the tests carried out, the largest leaf area was found in the "soil + humus" variant in the 54-118 rootstock (2.50 m2), and the total assimilation surface of the leaves was the highest in Ural 5 (30.8 thousand m2 / ha). It was found that the length of the rooting zone showed the best result in the "soil + humus" variant and ranged from 9.4 (Ural-11 stock) to 14.9 cm (Ural 5 stock) and exceeded the "soil + sawdust" combination by 0.9 - 1.8 cm. The smallest indicator of the total length of roots was noted in the variant "soil" (K) in the stock Ural 11 (12.7 cm), in the variants "soil + sawdust" and "soil + humus" the highest indicator was in the stock Ural 5, the difference between the options was 6.7 cm. Thus, we can conclude that the best indicators were on all the studied stocks when using the substrate "soil + humus".

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Section: Introductionmentioning

confidence: 99%