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Item Kruševačka 50 (K-50)(2019) Lugić, Zoran; Petrović, Mirjana; Radović, Jasmina; Sokolović, Dejan; Babić, Snežana; Zornic, VladimirItem Генетичка анализа комбинационих способности дијаметра црног лука(ИНСТИТУТ ЗА ПОВРТАРСТВО СМЕДЕРЕВСКА ПАЛАНКА, 2021) Pavlović, Nenad; Mladenović, J.; Tomić, Dalibor; Marjanović, Miloš; Madić, M.; Zdravković, JasminaЦрни лук спада у ред економски најзначајнијег поврћа које се гаји како у Србији тако и на светском нивоу. Дијаметар свежих луковица црног лука спада у ред његових најважнијих агрономских особина због тога што директно утиче на принос и облик. Обе наведен особине имају изузетно важан како биолошки тако и економски значај. Како бисе утврдила генетска детерминисаност дијаметра луковице, постављен је оглед по случајном блок систему у пет понављања, на огледном пољу Института за повртарство. Примењен је метод диалелног укрштања без реципрочног. Генетичком анализом комбинационих способности испитиваних генотипова у овом експерименту, утврђено је постојање сигнификантне вредности за опште комбинационе способности (ОКС). Израчунате вредности за ОКС указују на преовлађујући утицај адитивних гена у наслеђивању дијаметра луковица црног лука, што значи да супериорне линије могу бити искоришћене у оплемењивачким програмима за повећање фреквенције жељених алела са адитивним ефектом.Item The influence of bacterial inoculation on development different cultivars of alfalfa(Research Institute of Mountain Stockbreeding and Agriculture, Troyan, 2021) Andjelković, Snežana; Radović, Jasmina; Lugić, Zoran; Babić, Snežana; Marković, Jordan; Milenković, Jasmina; Petrović, MirjanaIncreasing soil fertility is one of the strategies being implemented with the objective of increasing agricultural production. The addition of microbial inoculants can stimulate plant-growth-promoting mechanisms, improve soil fertility, replenish the natural microbial community. There are different mechanisms by which microorganisms increase soil fertility and supply plants with necessary elements. The experiment was a two-factorial, random block design with ten replicates, where the first factor was alfalfa cultivar and the second was the variant of bacterial inoculation. For the purposes of research three alfalfa cultivars (K−28, Affinity+Z and Perry) and two variants of microbial inoculation − individual cultures of rhizobium (Sinorhizobium meliloti) and azotobacter (Azotobacter chroococcum) were used. The analysis of plant traits (height, number of stems and plant weight) were done at the beginning of flowering. The results obtained showed that the application of microorganisms can affect the parameters of plant alfalfa. The interaction between cultivar and applied inoculation was different: In the cultivar alfalfa Affinity+Z a statistically significant increase in plant height (4.4{\%} higher value than control) and mass was recorded (16.1{\%}); in Perry cultivar the green mass per plant was increased (4.3{\%} on treatment with S. meliloti and 2.3{\%} on treatment with A. chroococcum). In all cultivars inoculation A. chroococcum had positive, but application of S. meliloti had negative effect on the number of stems was achieved.Item Uticaj primesa u naturalnom semenu lucerke i crvene deteline na proces čišćenja semena(2021) Đokić, Dragoslav; Terzić, Dragan; Rajičić, V.; Živković, S.; Oro, V.; Milenković, Jasmina; Koprivica, R.The paper presents the results of the cleaning process of five different lots of natural alfalfa seeds and five different lots of natural red clover seeds. Natural alfalfa and red clover seeds had 75 % to 77 % purity. The experiment was performed in the seed processing center of the Institute for Forage Crops Kruševac. Seed cleaning is performed on different machines that work on the principle of differences in the physical properties of seeds. Significant parameters that define the quality of seeds after processing on the cleaning equipment are the amount of pure seed, weed seed, the seed of other crops, inert matter, amount of pure processed seed, seed losses and processing output. The obtained results enable the correct adjustment of the equipment for the seed processing, depending on the amount and type of weeds and other impurities found in the natural seed of alfalfa and red clover.Item Varijabilnost i korelativna međuzavisnost kvaliteta semena crvene dateline i italijanskog ljulja zavisno od sorti tokom višegodišnjeg perioda skladištenja.(2021) Stanisavljević, Rade; Poštić, Dobrivoj; Štrbanović, Ratibor; Oro, V.; Tabaković, M.; Jovanović, S.; Milenković, JasminaSeed quality is crucial for achieving the desired number of plants in the mixture, as well as the ratio of grass-legume components. Seeds of red clover and Italian ryegrass can be placed on the market with germination of 70 % and more. In this experiment, the seeds of six varieties of red clover and four varieties of Italian lily were examined. Seeds up to four years of age were tested. Seed quality was examined by monitoring the following parameters: germination energy, amount of hard-dormant seed, total germination and amount of abnormal seedlings. The tested varieties of red clover and Italian ryegrass seeds showed the best quality after one and two years of storage. After four years of storing seeds, out of six tested varieties of red clover, two did not meet the criteria for marketing in Serbia, according to the current rulebook on seed quality. In the case of Italian ryegrass, out of four tested varieties, two did not meet the criteria for placing seeds on the market.Item Uticaj klimatskih promena na potrebe prirodnih travnjaka za vodom u Srbiji(Poljoprivredni fakultet univerziteta u Beogradu, 2021) Stričević, R.; Simić, Aleksandar; Vujadinović Mandić, M.; Sokolović, DejanUsled povećanja temperature vazduha sve dužeg vegetacionog perioda i promenljivih količina padavina poslednje dve decenije, livade i pašnjaci Srbije sve češće ostaju bez dovoljno vode za regeneraciju. Cilj ovog rada je da preko pet reprezentativnih lokaliteta sagleda uticaj klimatskih promena na raspoloživost vode za prirodne travnjake na području Srbije. Za analizu buduće promene klimatskih uslova na teritoriji Republike Srbije korišćeni su rezultati ansambla od devet regionalnih klimatskih modela iz baze EURO-CORDEX. Za svaki od 9 modela je izračunat deficit/suficit vode, na kraju za najverovatniju vrednost deficita vode uzeta je medijalna vrednost za svaki proučavani vremenski period. Referentni period je 1986–2005, budući periodi su: 2016–2035 (bliska budućnost), 2046–2065, (sredina veka) i 2081–2100 (kraj veka). Analize su urađene za dva izabrana scenarija emisija gasova staklene bašte: RCP4.5 i RCP8.5. Vegetacija prirodnih travnjaka će biti izložena povećanom riziku od suša. Nedostatak vode se očekuje već krajem maja, kada se iscrpe zalihe vode u zemljištu, i trajaće sve do prvih značajnijih kiša u septembru. Po oba scenarija, očekuje se smanjenje raspoloživih voda do 7% u bliskoj budućnosti. Po scenariju RCP4.5 od sredine do kraja veka očekuje se povećanje deficita vode između 10,7% i 24,2%. Nepovoljniji, mada verovatniji scenario RCP8.5, prikazuje da će povećanje nedostatka vode sredinom veka varirati od 4% do 14%, a do kraja veka između 28,4% i 41,9%. Otpornost na sušu će se razvijati prirodnom raznolikošću i širenjem vrsta otpornih na visoke temperature i oskudicu vode na uštrb osetljivih trava, pogotovo u sušnijem delu Srbije na plićim zemljištimaItem Non-fiber carbohydrates and neutral detergent-soluble fibre in alfalfa(Research Institute of Mountain Stockbreeding and Agriculture, Troyan, 2021) Marković, Jordan; Babić, Snežana; Lazarević, Đorđe; Milenković, Jasmina; Prijović, Mladen; Zornic, Vladimir; Vasić, TanjaCarbohydrates are important in the nutrition of animals because they are the major source of energy and typically comprise 70 to 80{\%} of the diet. Carbohydrate contents of forage can vary widely due to the interaction of plants and their environment. These variables include: species and variety of the forage, stage of growth and environmental conditions during plant growth. The aim of this study was to estimate the content of NFC-Non-Fiber Carbohydrates and NDSF -- Neutral Detergent Soluble Fiber depending on the stage of growth, cuts and cultivars of alfalfa. Alfalfa (Medicago sativa L.) -- cv K28 selected at Institute for forage crops Kru{\v{s}}evac and cv G+13R+CZ selected at UC Davis Plant Breeding Center, University of California were sampled at three stages of maturity: full bud, early bloom (10-15{\%} of flowering) and mid bloom (50-60{\%} of flowering) in four cuts during the year. Results of this investigation showed that alfalfa cultivars did not differ significantly in NFC and NDSF content. On the other hand, content of NFC decreased from 237.0 to 230.6 g kg -1 DM with growth and development, whereas content of NDSF increased with plant development from 131.5 to 136.8 g kg -1 DM, but the differences between treatments were not significant. The highest content of NFC and NDSF was observed in the third cut. These carbohydrates are considered to be highly digestible and rapidly fermentable. Improving the understanding of this large portion of the dairy cattle diet has the potential to improve animal performance and profitability while maintaining health.Item Productivity and Forage Quality of Cocksfoot (Dactilys glomerata L.) Collection(Research Institute of Mountain Stockbreeding and Agriculture, Troyan, 2021) Babić, Snežana; Sokolović, Dejan; Andjelković, Snežana; Petrović, Mirjana; Marković, Jordan; Prijović, Mladen; Lazarević, ĐorđePrimary aim in cocksfoot forage breeding is obtaining cultivars with high yield and quality for livestock nutrition. In this study productivity and biomass quality of 19 cocksfoot accessions was investigated, 15 breeding populations originated from the local populations collected mainly in Eastern Serbia, which passed 2 cycles of selection and 4 cultivars. In the planting year plots were cut without weighing. In the next two years, two cuts were taken. The first cut was done at the beginning of heading (the first decade of May) and the second in the first decade of July. The highest dry matter yield in the first cut was determined for DG 6 (13.8 t ha-1) and DG 9 (13.8 t ha-1) accessions, while the most productive accessions in the second cut were DG 6 (4.9 t ha-1) and DG 3 (4.7 t ha-1). The highest dry matter yield in total was found in DG 6 (18.7 t ha-1) and DG 9 (18.4 t ha-1) accessions. Forage quality was determined in two cuts. The best dry matter quality was determined in DG 3, DG 5, DG 9 and DG 15 accessions. For these accessions the highest crude protein content was obtained in the first cut: DG 3 (130.4 g kg-1), DG 5 (130.8 g kg-1), DG 9 (130.7 g kg-1) and DG 15 (130.8 g kg-1) and also in the second cut. In the first cut the lowest ADF content was in DG 3 (332.1 g kg-1), DG 5 (327.5 g kg-1), DG 9 (331.9 g kg-1) and DG 15 (327.4 g kg-1). The lowest values for NDF content in the first cut were in the same accessions: DG 3 (573.5 g kg-1), DG 5 (575.6 g kg-1), DG 9 (576.5 g kg-1) and DG 15 (576.1 g kg-1). Also, the lowest values for ADF and NDF content in the second cut were scored for these accessions.Item Microbiological and chemical properties of agricultural soils in South-western Serbia(Serbian Society of Soil Science, 2021-09-21) Andjelković, Snežana; Lugić, Zoran; Babić, Snežana; Marković, Jordan; Zornic, Vladimir; Petrović, Mirjana; Bekčić, FilipSoil management is important to all agricultural systems and the reduction of soil degradation is a base to sustain future plants production. Physical and chemical characteristics of soil are the most important properties that affect the number of microorganisms, especially pH and organic matter content. The aim of this investigation was to examine microbiological and basic chemical properties of agricultural soils in the south-western part of Serbia. Soil samples from 62 localities of agricultural soil were taken aseptically from a depth of 0-25 cm. Based on the pH value tested soils are acidic, between 3.96 and 6.20, with medium content of humus. Results of this study showed that the presence of microorganisms in the tested soil samples is influenced by numerous factors and that each soil provides different conditions for life of microbes. The total number of microorganisms in soil samples varied from 18 to 122 x 106, the number of free-living nitrogen-fixers from 17 to 95 x 105 and fungi in the range from 3 to 55 x 104 per one gram of absolutely dry soil.Item The efficiency of use of oxalic acid and thymol in bee colonies against Varroa destructor during an active season.(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021-10-07) Nedić, N.; Vojt, D.; Matović, K.; Jevtić, GoranItem The effect of additional feeding on production traits of honeybee colonies.(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021-10-07) Nedić, N.; Vojt, D.; Matović, K.; Jevtić, GoranItem Correlations between the quantity of foraged pollen, the number of foragers and the morphological traits of the honey bees(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021-10-07) Jevtić, Goran; Anđelković, Bojan; Andjelković, Snežana; Zornic, Vladimir; Matović, Kazimir; Nedić, N.In four-year monitoring of two generations of honey bee colonies (queen bees and their offspring), the correlation coefficients between morphological traits for the amount of foraged pollen, traits on which the foraging activity of honey bees depends. Considering morphometric traits, the tongue length, the length and width of the wings and basitarses were measured. In field conditions, scouts and forager bees were counted, the total amount of foraged pollen and the amount of foraged alfalfa pollen were measured. It was found that there is a very strong correlation between the amount of foraged pollen and the observed traits that determine the foraging activity of the honey bee, as well as the size of the basitarus at a statistically very significant level (p <0.01). There was a strong correlation between the traits that determine the foraging activity with each other (p <0.01). The size of the basitarsus (length and width) was strongly correlated with most traits. The wing length was in medium correlation with most traits (r = 0.3-0.6), while the wing width with all traits was weakly or negatively correlated. The length of the proboscis was in the medium strong correlation with most of the observed traits. It is weakly correlated with the width of the basitarus and the wing, and weakly to negatively correlated with the wing length.Item Pre-sowing treatments with gibberellic acid in white clover(University of Banja Luka, Faculty of Agriculture, 2021-05-27) Tomić, Dalibor; Stevović, Vladeta; Madović, Milomirka; Đurović, V.; Marjanović, Miloš; Lazarević, Đorđe; Petrović, Mirjana; Knežević, JsminaThe aim of this study was to analyze the effect of pre-sowing treatments with different concentrations of gibberellic acid solution, as a growth stimulator, on root and stem growth, seedling weight and nodulation of young white clover plants. The experiment was performed in 2019 in the laboratory for seed seed control at the Faculty of Agriculture in Čačak. Seed of rivendel cultivar were used. Six treatments with gibberellic acid were applied (control, 0.25; 0.5; 0.75; 1.0 and 1.5 mmol L-1 gibberellic acid). Root length, stem length and seedling weight were evaluated. Seedlings from the parallel experiment were planted in containers with substrate and cultivate in the greenhouse.Plants were analyzed 45 days after treatment. The obtained results indicate that pre-sowing treatments with gibberellic acid at a concentration of 1 and 1.5 mmol L-1 can significantly affect more intensive growth of plants of white clover.Item Suitability of field pea:oat and common vetch:oat mixtures for ensiling(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021-10-07) Marković, Jordan; Vasić, T.; Petrović, Mirjana; Milenković, Jasmina; Bekčić, Filip; Lazarević, Đorđe; Babić, SnežanaThe practice of preserving green crops by fermentation as silage has increased dramatically in recent years. Successful ensiling can be difficult due to numerous problems such as: high moisture content, high feed buffer capacity, insufficient amount of fermentable carbohydrates etc. The aim of this investigation was to determine the suitability for ensiling field pea:oat and common vetch:oat mixtures grown at different seeding rate and harvested at different stages of growth. Field pea, common vetch and oat were grown in pure stands and in the mixtures of 75:25, 50:50 and 25:75 ratios and harvested at three stages of plant development: beginning of field pea and common vetch flowering, forming the first pods in field pea and common vetch and at the forming green seeds in 2/3 field pea and common vetch pods. The most favorable ratio of sugar and buffer capacity for the established level of dry matter in the examined crops was stated in pure oat crop. The results obtained in the mixtures of field pea and oat are based on the ratioof sugar and buffer capacity and can successfully ensile in all three examined relations of germinating grains of field pea and oats. The highest sugar content (182.1 g kg-1 DM) and the highest buffer capacity were determined in the 50:50 field pea:oat mixture at the pea flowering stage of development. The least favorable ratio of sugar and buffer capacity was found in pure common vetch.Item Stability of wheat cultivars for yield and quality components in different agroecological conditions(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021-10-07) Luković, K.; Perišić, V.; Zečević, V.; Bratković, K.; Milovanović, M.; Babić, Snežana; Andjelković, SnežanaStability of grain yield, 1000 kernel weight and sedimentation value were analyzed in 10 winter wheat cultivars (Perfekta, Toplica, KG-52/3, Merkur, Vizeljka, Talas, NS 40S, Zvezdana, Javorka and Pobeda), created in different breeding institutions in Serbia. The experiment was carried out during 2019/2020 in two localities: Centre for Small Grains in Kragujevac and Institute for Forage Crops in Kruševac, Serbia. The analyses of variance showed highly significant differences in grain yield, between genotypes, investigated localities, as well as their interaction. The influence of the locality did not show statistical significance on the expression of 1000 kernel weight and sedimentation value. The highest average values were recorded by Perfekta for grain yield, Zvezdana for 1000 kernel weight and KG-52/3 for sedimentation value at both localities. The AMMI model was used for analysis of genotype × environment interaction. The most stabile cultivars were Vizeljka, NS 40S and Perfekta with values above the average for grain yield. Cultivars Talas, KG-52/3 and Javorka showed the highest stability for the 1000 kernel weight. Cultivar Javorka had the highest, while Talas and KG-52/3 had the lowest average values for this trait. Vizeljka and KG-52/3 were the most stable genotypes for sedimentation value, with KG-52/3 achieving the highest values of the observed trait at the level of the entire experiment. Both analyzed locations had high interaction value for all three analyzed traits.Item The effect of actinomycetes application on green mass yield of red clover(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021-10-07) Andjelković, Snežana; Lugić, Zoran; Babić, Snežana; Milenković, Jasmina; Jevtić, Goran; Marković, Jordan; Bekčić, FilipRed clover (Trifolium pratense L.) is one of the most important and widespread leguminous forage species in temperate agriculture, which is characterized by a high yield of quality biomass. Actinomycetes produce antibiotics and vitamins that act favourably on physiological processes in plants. These microorganisms are present in the soil, however the application of selected microorganisms for seed inoculation leads to better results in crop production. The experiment was carried out in vegetation pots in semi-controlled conditions. This research consisted of investigating the effect of actinomycetes (Streptomyces sp.) application on the green mass per plants of 12 cultivars of red clover of different geographical origin: K-27, K-32, K-38, K-39, Una, Kolubara, Viglana, Manuela, Wilo, Repio, Diana and Longevo. The effect of inoculation was determined out at the onset of flowering. The results obtained showed that the application of microorganisms could affect plant mass yield. The highest value for green mass per plant was achieved in cv. K-39 using inoculum that contained Streptomyces sp. The application of actinomycetes had a positive effect in the most cultivars of red clover and there was a statistically significant difference between inoculated treatments and control, indicating the justification of the use of these microorganisms in plant production.Item Analysis of the relationship of the most important traits in meadow fescue(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021-10-07) Babić, Snežana; Sokolović, Dejan; Andjelković, Snežana; Petrović, Mirjana; Zornic, Vladimir; Prijović, Mladen; Bekčić, FilipMeadow fescue (Festuca pratensis Huds.) is one of the most important perennial grasses foranimal feed production on grasslands. It is characterized by high and stabile yield potential andgood biomass quality. The aim of this study was to determine genetic and phenotypic correlation coefficients of seven most important traits of two synthetic cultivars (Kruševački 21 and Pradel). Individual plants for hybridization, in order to obtain progeny by the method of Comstock and Robinson, were selected completely randomly. In order to examine the obtained progeny, the study was performed in an experimental field of the Institute for Forage Crops, in two replications. The experiment was set up according to the Nested Design I, with sets within the replications. In Kruševački 21, 60 full-sib progeny were studied in two sets, while in the Pradel a total of 39 full-sib progeny were studied. Within each full-sib progeny, 60 plants were analyzed. Statistically and high statistically relation was obtained between some traits and presented as genetic (rg) and phenotypic (rf) correlation coefficients. In cultivar K-21 very high statistically significant genetic correlation coefficients were determined between heading date and leaf length (rg=0.873**), plant height and number of generative tillers per plant (rg=0.893**) and dry matter yield in the first cut and annual dry matter yield (rg=0.988**). In cultivar Pradel very high statistically significant relationship was obtained between heading date and plant height (rg=0.978**), heading date and number of vegetative tillers per plant (rg=0.926**) and annual dry matter yield with one side, and plant height (rg=0.912**) and dry matter yield in the first cut (rg=0.978**), on the other side.Item Alfalfa and red clover as a protein source for ruminants(Institute for Animal Husbandry, Belgrade-Zemun, Serbia, 2021-10-06) Marković, Jordan; Milenković, Jasmina; Andjelković, SnežanaHigh level of milk protein, increased dietary costs, as well as care for the environment have made nitrogen utilization a central component in balancing ruminant meals. Excess crude protein in meals can lead to unnecessary dietary costs, without resulting in increased milk and milk protein production. In addition, most of the excess nitrogen is excreted in the urine and is an ecologically labile form. On the other hand, poor amino acids balance will limit milk protein yield, making production more expensive than overeating. Balancing protein according to metabolic needs, with an adequate ratio of rumen undegradable protein and rumen degradable protein, and without overeating will have positive effects not only on meal price and profitability, but also on the environment. More efficient utilization of nutrients requires knowledge of how different fractions of nutrients pass through the digestive tract. Grass and legumes contain the largest and most variable part of non-protein nitrogen compounds. Although, a number of non-protein nitrogen compounds and true protein together represent crude protein, it is clear that the nutritional value of crude protein in ruminant feeds is better explained based on their rate and extent of rumen degradation. There are a number of factors that affect the amount of crude protein that will be degraded in the rumen. Legumes are high quality forages rich in protein, but these proteins are intensively degraded in the rumen. Red clover proteins are more slowly degraded than alfalfa protein.Item Effect of processing on vitamin C content, total phenols and antioxidative activity of organically grown red beetroot ('Beta vulgaris' ssp. 'Rubra')(Centre for Evaluation in Education and Science (CEON/CEES), 2021) Pavlović, Nenad; Mladenović, Jelena; Stevović, Vladeta; Bošković-Rakočević, Ljiljana; Moravčević, Đorđe; Poštić, Dobrivoj; Zdravković, JasminaThe demand for organic food is rising since consumers want food from reliable, highest quality sources originating from the environment, undisturbed by cultivation and processing. It is necessary to determine to what extent there is a scientific basis for the claims that organic food is of high quality. In this study, beetroot from an organic production system originating from 6 certified organic food producers from different geographic locations was examined. The organic beetroot samples were processed by pasteurization at 70 ºC and 90 ºC into beet juice or by drying at 55 ºC. The following samples were tested and compared: fresh beetroot, pasteurized beet juice and dried beetroot slices. The concentration of vitamin C, level of total phenol compounds (TPC) and antioxidative activity (TAA) in beetroot were influenced by the geographic origin and the applied processing method. The highest degradation for all analysed parameters was found in the samples treated by drying or pasteurisation at 90 ºC. The lowest losses of studied phytochemical components were observed during juice pasteurisation at 70 ºC. The correlation coefficient between TPC and TAA was high and significant (r2 = 0.966).Item Autochthonous plant growth-promoting rhizobacteria enhance Thymus vulgaris growth in well-watered and drought-stressed conditions(Lithuanian Research Centre for Agriculture and Forestry, 2021-12-06) Stamenov; Djuric; Hajnal-Jafari; Andjelković, SnežanaThe use of plant growth-promoting rhizobacteria (PGPR) in the production of medicinal plants is crucial, because agricultural chemicals are no longer acceptable in their production. This paper discusses the results of a recent study undertaken to isolate and characterize PGPR isolates of Bacillus, Pseudomonas and Azotobacter from common thyme (Thymus vulgaris L.) rhizospheric soil and monitor the effect of their application on seed germination and plant growth. The effect of selected isolates on seed germination and initial growth of common thyme was examined in controlled conditions. The impact of the isolates on the content of biochemical stress markers (total phenols and lipid peroxidation intensity) in germinated seeds was determined. The influence of the isolates on the plant growth under well-watered conditions (watered to 80% of water holding capacity (WHC)) and under water deficit stress (watered to 40% of WHC) was evaluated by measuring plant root and stem length in semi-controlled conditions. This study confirmed that indigenous rhizospheric bacteria of common thyme have multiple plant growth-promoting (PGP) properties. Among Bacillus 10 isolates, Pseudomonas 12 isolates and Azotobacter 9 isolates, only Pseudomonas isolate (P53) had all the tested PGP properties. The applied isolates had a positive effect on the examined plant growth parameters. The highest percentage of germination was determined in the treatment with P53 isolate (96%). The highest response for vigour index was observed with isolate A1 (3807%). All isolates, except B58 and B60, reduced stress by lowering the amount of both or at least one stress related molecules. The results of the experiment led to the conclusion that isolates Azotobacter sp. A1 and Pseudomonas sp. P53, both ACC-deaminase-producing bacteria, have the best effect on plant growth under well-watered and drought-stressed conditions, which indicates their potential to be used as a biofertiliser for promoting common thyme growth.