E3S Web Conf.
Volume 254, 2021International Scientific and Practical Conference “Fundamental and Applied Research in Biology and Agriculture: Current Issues, Achievements and Innovations” (FARBA 2021)
|Number of page(s)||6|
|Section||Mechanisms of Adaptation, Methods of its Regulation in Plants|
|Published online||05 May 2021|
Optimization of the adaptive mechanism of subtropical crops under the influence of innovative forms of fertilizers
Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, Yana Fabriciusa st., 2-28, 354002 Sochi, Russia
* Corresponding author: firstname.lastname@example.org
The research is aimed at developing effective ways to regulate the functional state of plants under stress. It is shown that the functional state of tea and mandarin plants is more favorable under the influence of growth regulators (humic and amino acids, metabolites of mold fungi are used as biologically active substances). In the variants with foliar treatments, there is an increase in bound water (up to 54.8-54.9%); activation of assimilant synthesis, more active formation of proline and ascorbic acid in tea leaves. There was an increase in the number of carotenoids (up to 1.78 mg / g) and active synthesis of ascorbic acid in mandarin leaves during stressful periods; the value of the viability index increased (up to 5.19 – 5.33 units) in accordance with the control (4.37 umits). The developed specific surface density of the leaf provides greater productivity of mandarin plants. The optimal functional state of the plants led to an increase in the crop productivity of tea leaves (22.88-32.22 c/ha compared to the control-22.04-26.88 c/ha) and mandarin fruits (6.83 kg/tree compared to the control – 3.80 kg / tree). The use of innovative forms of fertilizers and plant growth regulators should become the main element of the technology of cultivation of subtropical crops, optimizing the adaptive potential, regulating the effective productivity of plants and their quality indicators.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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