Summary
The composition and some properties of bacterial flora isolated from root surface, from the rhizosphere and control soil during the initial stages of wheat growth were studied. Isolated bacteria were divided into groups according to their morphological properties, their nutritional requirements and growth intensity and according to some biochemical properties.
It was found that the bacterial flora of the root surface, of the rhizosphere and control soil during the initial stages of wheat development differ in the occurrence of morphological types, nutritional requirements and growth activity. The rhizosphere effect was also quite marked in the percentage of bacterial genera in the above three zones.
It was shown by comparing the properties of bacterial flora of seeds and of soil in which the wheat was grown that the seed bacteria, in common with the soil bacteria, can move over to the roots but that the physiologically more active soil bacteria become predominant and markedly affect the composition of the rhizosphere population.
Abstract
Изуались состав и некотоые свойства бактериальной ϕлоры, выделенной с поверхности корней, из ризосϕеры и из свободной ночвы в начальных ϕазах роста ншепицы.. Выделевные бактерии были разделены на групиы по своим морϕологическим свойствам, по требованиям кпитанию, по интенсивности роста и по некоторым биохимическим свойствам.
Было установлено, что существуют различия между представителями бактериальной ϕлоры с поверхности корпей, из ризосϕеры и из свободной почвы в начальных ϕазх развития пшепицы, что касается морϕологических тиов, требований к литанию и активности роста. И что касается родов бактерий, представленных в этих трех зонах, заметно проявился эϕϕект ризосϕеры.
Сравнение свойств бактериальной ϕлоры семян и почвы, в которой лшенида выращивалась, показало, что бактерии семян так же, как и бактерии почвы, могут переходит на корни, но ϕизиологически более активные почвенные бактерии получают преимущество и оказывают главное влияние на соств популяции ризосϕеры.
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The authors are indebted to Mrs. M. Cimrhaklová for skilful technical assistance.
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Vágnerová, K., Macura, J. & Čatská, V. Rhizosphere microflora of wheat. Folia Microbiol 5, 298–310 (1960). https://doi.org/10.1007/BF02927144
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DOI: https://doi.org/10.1007/BF02927144