Formation and productivity of photosynthetic apparatus of maize plants for the action of Polimiksobakteryn – a plant growth stimulator


Keywords: corn, Polimiksobakteryn, area of sheet surface, photosynthetic pigments, pure productivity of photosynthe-sis

Abstract

Currently, the introduction of new techniques for corn growing technology, which involves the use of microbial drugs – growth stimulators and the study of their effects on the process of photosynthesis is relevant. In the conditions of field experiment on black soil, the effect of microbial preparation Polimiksobakteryn – a growth stimulator of plants on various methods of its application on the formation and productivity of the photosynthetic apparatus of maize plants of hybrid Dniprovsky 181 SV was studied. It was determined that the bacterialisation of seeds with subsequent surface treatment of vegetable corn plants with Polymiksobacteryn in the phase of 3–5 or 7–9 leaves – agroprimus, which provides activation of the process of photosynthesis. In particular, for the combination of bacteritisation and surface treatment of vegetative plants, the area of the leaf surface increases to 5315 cm2/plant in the flowering phase, which is 40.0% more relative to the control variant, this indicates an improvement in the conditions of growth and development of maize due to the growth-stimulating properties of the microbial preparation. The index of chlorophyll content (a + b) increases, and among all the experimental variants, the highest value of 146.7 mg/100 g of leaves installed with the combined use of Polimyksobacteryn – the bacteritisation of seeds and surface treatment by vegetation, which is 36.2% higher than the benchmark 107.7 mg/100 g of leaves. The increase in area of the leaf surface was accompanied by raising in the net photosynthesis efficiency of 6.34 g/m2 per day in the control version to 10.39 g/m2 per day (or 63.8%) as a result of bacteritisation and surface treatment of corn vegetable plants, indicating about formation of the optimum structure and productivity of the paper machine. It should be noted that according to the data, the method of using microbial preparation, which included seeding bacteria and superficial treatment of vegetative plants, better than taking bacteria or seed treatment separately. Therefore, in the cultivation of maize, the use of the microbial preparation Polymiksobacteryn, the growth stimulator of plants, by bacterialization of seeds in combination with surface treatment of plants in vegetation, increases the quantitative and improves qualitative parameters of photosynthetic activity of plants, which is essentially of practical importance for increasing the productivity of this culture.

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Published
2018-11-11
How to Cite
Shevchenko, L., & Tokmakova, L. (2018). Formation and productivity of photosynthetic apparatus of maize plants for the action of Polimiksobakteryn – a plant growth stimulator. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural Sciences, 20(89), 47-51. https://doi.org/10.32718/nvlvet8908