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Information × Registration Number 0220U104072, 0120U100345 , R & D reports Title Investigate the properties of bacteria of the genus Mesorhizobium - effective microsymbionts of chickpea plants popup.stage_title Head Vorobei Yuliia O., Кандидат біологічних наук Registration Date 07-12-2020 Organization Institute of Agricultural Microbiology and Agro-industrial Manufacture of National Academy of Agrarian Sciences popup.description2 In the world agricultural production, there is a tendency to reduce the doses of applied chemical fertilizers and the importance of their integrated use with agrotechnical methods is increasing, the purpose of which is to maintain the natural fertility of soils and increase the biodiversity of beneficial microflora. Bacterization of seeds of leguminous crops by strains of rhizobia promotes the synthesis of organic substances, which not only take part in the functioning of symbiosis, but are also capable of creating prerequisites for increasing the resistance of plants to adverse environmental conditions. Under the conditions of laboratory experiments, we obtained new data on the ability of the effective strain Mesorhizobium ciceri ND-64 to produce biologically active substances. It was shown that treatment with M. ciceri ND-64 suspension (concentration 1:1000) resulted in the highest increase in coleoptiles (by 20%), an increase in the mass of cucumber cotyledons (by 50%), and an increase in the length of the mesocotyls at a concentration of 1:500 was 23%. Using the method of high-performance liquid chromatography (HPLC) in the culture liquid of M. ciceri ND-64 were discovered substances of auxins of nature (IVC, indole-3-acetic acid hydrazide, indole-3-butyric acid and indole-3-carbinol) with a total concentration of 29,59 μg/g absolutely dry matter. The report provides scientific information on the compatibility of M. ciceri bacteria with fungicides, which will optimize the application of inoculation and seed dressing in production conditions. It was shown that bacteria M. cicer ND-64 are more resistant to the active substances of the fungicides Maxim Star, Vitavax 200 FF and Scenic 80 FS than M. ciceri N-12. The largest number of M. ciceri ND-64 cells remained viable on seeds treated with Vitavax 200 FF 28 days before inoculation (2,2*106 cells/seed). The data on the properties of chickpea rhizobia were analysed and an effective strain of M. ciceri ND-64, which   Product Description popup.authors Vorobei Yuliia O. Lohosha Olha V. Usmanova Tetiana O. popup.nrat_date 2020-12-07 Close