Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 21 ISSUE 1
Written by Eugeniu ALEXANDROV

Each genotype has a specific way of responding to environmental factors that are regulated by the genetic code. In the process of development, organisms have formed certain qualities that allow them to individually respond to climatic conditions. The main task of sustainable development of the wine and wine sector is to obtain high-quality derivatives, using minimal resources, in conditions of high economic efficiency and the use of technological methods that contribute to reducing energy dependence. The light curve allows us to determine the efficiency of photosynthesis and get an idea of the ecophysiological characteristics of a species, and, in turn, these indices allow us to compare different genotypes of plants in more or less similar conditions, thus determining productivity and resistance to environmental factors. The monitoring was carried out using the phytomonitor PTM-48A, which records data in automatic mode with an interval of 10 minutes, for 24 hours. The light curve can be used as a test method for assessing the photosynthetic activity of plants, and thereby, determining the productivity of intraspecific and interspecific genotypes of grapes at the early stages of study. And this, in turn, allows you to study a large number of hybrids and reduce the time of their assessment.

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