title: ÐÐ·ÑÑÐµÐ½Ð¸Ðµ ÑÐ¾ÑÑÐ¾ÑÑÐ¸Ð¼ÑÐ»Ð¸ÑÑÑÑÐµÐ¹ Ð°ÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÐºÐ¾Ð»Ð»ÐµÐºÑÐ¸Ð¾Ð½Ð½ÑÑ ÑÑÐ°Ð¼Ð¼Ð¾Ð² Ð¼Ð¸ÐºÑÐ¾Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð¼Ð¾Ð² Ð´Ð»Ñ ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ñ Ð±Ð¸Ð¾ÑÐ´Ð¾Ð±ÑÐµÐ½Ð¸Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: The study of the growth-stimulating activity of collection strains of microorganisms for the creation of biofertilizer
Creators: name: Ð¨ÐµÐ¿ÐµÐ»Ñ, ÐÐ»Ð¸Ð·Ð°Ð²ÐµÑÐ°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Pseudomonas
ÑÐ¾ÑÑÐ¾ÑÑÐ¸Ð¼ÑÐ»Ð¸ÑÑÑÑÐ°Ñ Ð°ÐºÑÐ¸Ð²Ð½Ð¾ÑÑÑ
Ð±Ð¸Ð¾ÑÐ´Ð¾Ð±ÑÐµÐ½Ð¸Ðµ
ÐºÑÐ»ÑÑÐ¸Ð²Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
Ð¿Ð¸ÑÐ°ÑÐµÐ»ÑÐ½ÑÐµ ÑÑÐµÐ´Ñ.
growth promoting activity
biofertilizer
culturation
nutrient media.

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description: This work is devoted to the study of the growth-stimulating activity of collection strains of microorganisms, the preparation of nutrient media and the selection of cultivation conditions in a laboratory fermenter. The tasks of the study: -Â to study the growth-stimulating activity of collection strains of microorganisms (VNIISKhM collection) and select the most promising strain; -Â compose nutrient media for the cultivation of the most promising strain based on available and technological components; -Â to offer recommendations for the development of a technological regime for growing a culture in a laboratory bioreactor. The object of the study is strains of collection and promising isolated microorganisms, including Pseudomonas species pcs. PG-5, 2P-5, 2P-7, O-12, 2P-9, I-2, 2P-12, spring wheat variety Sudarynya, beetroot vegetable variety Detroit. The work was carried out on the basis of the laboratory of biotechnological production "Ecos Biopreparations". The analyzed indicators of the growth-stimulating activity of microorganism strains were seed germination, seedling root length, cultivation titers on nutrient media. In the course of the research, it was shown that strains O-12 and Ya-2 showed the greatest growth-stimulating activity in relation to wheat, and strain O-12 in relation to beets. The selected strain of Pseudomonas sp. O-12 is most responsive to the addition of additional amounts of trehalose and mannitol to nutrient media. When growing this strain by submerged cultivation on a semi-synthetic nutrient medium with the addition of trehalose, changing the stirrer speed does not increase the productivity of the process 72 hours after the start of cultivation.