Creating new varieties of columnar apple trees for the plantations of the intensive type

Савельева, Н. Н.; Юшков, А Н; Земисов, А. С.; Chivilev, V. V.; Лыжин, А. С.

doi:10.31676/0235-2591-2018-5-16-22

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“…The main indicators that determine the taste of fruits are sugars and organic acids, as well as their ratio -the sugar-acid index (Ratio). According to the literary data [16,17,18] based on the study of the chemical composition of the fruits of other crops, SDM (Brix) and sugars, which make up most of the SDM, are in close correlation. Brix is an indirect indicator that determines the sugar content of fruits and berries, which allows, with a large experimental material, to quickly and accurately select high-sugar genotypes.…”

Section: Resultsmentioning

confidence: 99%

The accumulation of sugars and organic acids in blackberry fruit in the conditions of Сentral Russia

et al. 2021

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The taste characteristics of berries of 26 cultivars, elite and selected forms of blackberries grown in Central Russia are presented: dry matter, monosaccharides, sucrose acid the total amount of sugars. The sugar-acid index has been calculated. The best genotypes have been identified according to the content of dry matter and sugars - Brzezina and Agawam cultivars, elite seedlings LN-4, LN-13, LN-14 and selected seedlings LN-5, LN-7, LN-8, according to the content of organic (titrated) acids and sugar-acid index - Brzezina, Black Satin, Loch Tau, seedlings of Black Satin, Cheyenne, Loch Ness - LN-6, LN-10, EV LN-13 and control cultivar Agawam. A high traits’ conjugation was established: the sugar-acid index and the content of monosaccharides, the total amount of sugars, soluble solids, as well as a high inverse dependency between the content of organic acids and the sugar-acid index. Low unreliable correlation coefficients (r = - 0.28 … + 0.13) were obtained, indicating the absence of links between the fruit weight and the content of biochemical components responsible for the taste characteristics of genotypes, which is a positive fact when creating new cultivars with high taste and a significant weight of fruits, indicating their independent inheritance.

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Section: Resultsmentioning

confidence: 99%