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СКРИНІНГ ДІАЗОТРОФІВ, ЩО ЗДАТНІ УТВОРЮВАТИ ЕФЕКТИВНІ АСОЦІАЦІЇ З РОСЛИНАМИ ПШЕНИЦІ

СКРИНІНГ ДІАЗОТРОФІВ, ЩО ЗДАТНІ УТВОРЮВАТИ ЕФЕКТИВНІ АСОЦІАЦІЇ З РОСЛИНАМИ ПШЕНИЦІ

It is carried out a screening of diazotrophs, allocated from rhizosphere and rhizoplane of wheat plants of 13 sorts. It is shown, that strain Azospirillum sp. 77, allocated from rhizoplane of a spring wheat of sort Varyag, was characterized by the greatest nitrogenase activity. Inoculation of wheat...

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Bibliographic Details
Main Author: Гончар , Ю.О.
Format: Article
Language:Ukrainian
Published: Institute of Agrocultural Microbiology and Agro-industrial Manufacture of NAAS of Ukraine 2008
Subjects:
diasotrophs
wheat plants
nitrogenase activity
germination of seeds
діазотрофи
рослини пшениці
нітрогеназна активність
схожість насіння
Online Access:https://smic.in.ua/index.php/journal/article/view/399
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Summary:It is carried out a screening of diazotrophs, allocated from rhizosphere and rhizoplane of wheat plants of 13 sorts. It is shown, that strain Azospirillum sp. 77, allocated from rhizoplane of a spring wheat of sort Varyag, was characterized by the greatest nitrogenase activity. Inoculation of wheat seeds by specified strain promoted the increase of its germination on 22,3 % and dry weight of sprouts increase on 18,2 % in comparison with the control, that testifies the ability of Azospirillum sp. 77 to produce biologically active substances. The researched strain causes deformations of root fuzz that confirms the ability of Azospirillum sp. 77 to cause reaction on inoculation of wheat plants sorts Varyag. According to preliminary screening it is selected the strain, which capable to form effective associations with wheat plants.

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