Growth and development of potato plants in vitro: correlations of indicators in potato varieties under in vitro conditions
https://doi.org/10.32634/0869-8155-2020-339-6-89-92
Abstract
Relevance. At present in the region the range of potatoes does not meet modern phytosanitary requirements, there is a decrease in potato yield over a long period of time. [1–6, 14]. Modern biotechnology techniques have undeniable advantages and allow for the early development of potato starting material to determine future crop crossing patterns. Effective implementation of such works is ensured by careful selection of accounts and observations of the growth and development of potato clones.
Methods. The material is potato clones in vitro. The aim of these studies is to study the growth and development of potato plants in vitro in microlonal reproduction.
Results. As a result, the influence of signs of correlation relationships in plants-regenerants of potatoes of 6 varieties (Lubava, Ilinsky, Rodrigo, Handsome, Alvara and Velikan) on the indicators of development of the above-ground part of the plant (height of plants and number of intersections), as well as indicators of rhizogenesis (number and length of roots) was found. Both the positive relationship of the characteristics of the number of intersections, the height of plants, and the negative relationship of the characteristics in potato varieties under in vitro conditions have been established here. With higher plant height, there is a tendency to increase the number of intersections, the biomass of the plant, and the length of the roots in the varieties Handsome, Alvara, Rodrigo. The Great variety did not show a direct relationship between plant height and the mass of leaves, stems. The standard Lubava variety reflected a weakly negative relationship between plant height and root length. The variety Ilinsky did not depend on the height of the plants and the length of the roots, which cannot be noted in the varieties Handsome, Rodrigo and Alvara. According to the selected varieties, the largest correlation coefficient of plant height and root length is observed in Beauty variety (r = 0.69), then in Alvar variety (r = 0.43), Rodrigo variety (r = 0.20). The remaining varieties had a weak correlation.
Keywords
About the Authors
A. Z. Platonova
Arctic State Agrotechnological University (Yakut State Agricultural Academy)
Russian Federation
Russian Federation
Agafya Z. Platonova, candidate of agricultural Sciences, chief researcher
3, Sergelyakhskoye Highway of 3 km, Yakutsk, Sakha (Yakutia) Republic, 677007
Y. V. Vasilieva
Arctic State Agrotechnological University (Yakut State Agricultural Academy)
Russian Federation
Russian Federation
Yana V. Vasilieva, senior lecturer of the Department of agronomy, postgraduate student of the Novosibirsk state agricultural university
3, Sergelyakhskoye Highway of 3 km, Yakutsk, Sakha (Yakutia) Republic, 677007
F. A. Lukina
Arctic State Agrotechnological University (Yakut State Agricultural Academy)
Russian Federation
Russian Federation
Fedora A. Lukina, candidate of agricultural Sciences, head of the laboratory of biotechnology and genetics
3, Sergelyakhskoye Highway of 3 km, Yakutsk, Sakha (Yakutia) Republic, 677007
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Review
For citations:
Platonova A.Z., Vasilieva Y.V., Lukina F.A. Growth and development of potato plants in vitro: correlations of indicators in potato varieties under in vitro conditions. Agrarian science. 2020;(6):89-92. (In Russ.) https://doi.org/10.32634/0869-8155-2020-339-6-89-92
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