THE EFFECT OF Nb-CONTAINING NANOCOMPOSITES BASED ON SAPONITE ON THE INDUCTION OF CHLOROPHYLL FLUORESCENCE IN LEAVES OF CORN
Journal Title: Наукові доповіді НУБіП України - Year 2017, Vol 3, Issue 3
Abstract
Today, nanotechnology opens up great opportunities in agriculture. Nanoparticles are used for presowing treatment of seeds of plants, resulting in its improved quality , increased resistance to phytopathogens and increase the yield of agricultural crops. The aim of this work was to investigate the influence of new Nbcontaining nanocomposites on the parameters of induction of chlorophyll fluorescence in plants of maize (hybrid of Kharkiv 340 MV). The measurements were carried out by a portable fluorimeter "Flora-test" for express-diagnostics of plant state in the early stages of development. Kautsky curves were analyzed and the number of indicators of the induction of chlorophyll fluorescence in plants which were germinated in the presence of nanocomposites and without them (control). According to the results of investigations it was established that nanocomposites had effect on a number of values of IFH. The value of F0 increased in the processed nanocomposites of maize plants and it was higher compared with the control plants. This indicates an increase of the antenna chlorophylls in the studied samples compared with control as a result of structural changes of the pigment complex of plants of maize for the actions of the nanocomposites. For the actions of Saponite(H), Nb-Saponite(Cl) and Nb-Saponite(Et) on plants value of d Fpl increases compared to the control by 20.8%, 29.2% and 25% respectively. These data indicate an increase in the magnitude of increase of fluorescence from F0 to Fpl in plants by the action of nanomaterials. The value of Fv/F in control and experimental plants was in the range 0,75-0,77 relative units that indicates on the normal passage of photosynthesis in the control and in the research of plants.
Authors and Affiliations
M. V. Savchuk, M. F. Starodub
Keywords
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