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- W2605261713 abstract "Resume. In connection with the environmental degradation there is a need for pretreatment of seeds by microbiological agents that maintain friendly plant composition of soil microflora and produce biologically active substances (gibberellins, cytokinins, auxins) that have multifunctional action on plants. This contributes to intensify the exchange of plants and growth processes, which ultimately results in higher harvest. The aim of the research was to study the impact of preplant treatment of winter wheat by microbiological preparations Embiko® on the process of seed germination and initial growth of seedlings. The objects for research were varieties of soft winter wheat (Triticum aestivum L.) – Smuglyanka and Podolyanka. The treatment was carried out by soaking seeds in solutions of microbiological preparation Embiko® with dilution 1:100, 1:500, 1:1000 and undiluted drug within 24 hours. Seeds soaked in tap water served as control. During the experiment the intensity of swelling of seeds was determined to change their wet weight every 4 hours in a day. Based on the obtained data the humidity was calculated as percentage of moisture to initial seed weight. The respiration rate of germinating seeds was determined by the method Boysen-Jensen and expressed as mg of CO2 emission per 1 g of seeds per hour. The activity of catalase was determined by the method of A.N. Bach and A.I. Oparin and expressed as micromole of decomposed H2O2 for 1 min per 1 g wet weight of the seeds. To determine the growth parameters, the treated seeds were placed in a Petri dish on filter paper soaked with Knop's nutrient solution according to Hoagland microelements and germinated seven days in an incubator at 24°C. Experiments were performed in five biological replicates. It was found that the treatment of wheat seeds with microbiological preparation in a dilution of 1:100, 1:500, 1:1000 causes a slight activation of swelling intensity of the seeds. A higher respiration rate against seed control was obtained in a dilution of 1:1000, whereas the activity of the enzyme catalase was higher in a dilution of 1:500. In the group with undiluted preparation inhibition of these indicators was observed. Generally, treatment of the seeds with the preparation solution in different concentrations showed stimulation of vigor and germination percentage compared to control, as well as increase of dry biomass of the aboveground parts and roots of the seedlings. The results on the effect of the drug on the process of seed germination and seedling growth were in line with figures for the rate of respiration and activity of the enzyme catalase, which were more pronounced in varieties Smuglyanka compared with variety ‘Podolyanka’." @default.
- W2605261713 created "2017-04-14" @default.
- W2605261713 creator A5003365294 @default.
- W2605261713 date "2015-01-01" @default.
- W2605261713 modified "2023-09-27" @default.
- W2605261713 title "ВЛИЯНИЕ МИКРОБИОЛОГИЧЕСКОГО ПРЕПАРАТА ЭМБИКО ® НА ПРОРАСТАНИЕ СЕМЯН И РОСТ ПРОРОСТКОВ ОЗИМОЙ ПШЕНИЦЫ THE INFLUENCE OF MICROBIOLOGICAL PREPARATION EMBIKO ® ON SEED GERMINATION AND GROWTH OF WINTER WHEAT SEEDLINGS" @default.
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