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  • Title: [Adaptation of Chaetomium globosum 3250 Kunze ex Fr. to the rhizosphere of spring wheat and its ability to colonize the root system].
    Author: Patyka VP, Kopylov IeP, Nadkernychnyĭ SP.
    Journal: Mikrobiol Z; 2007; 69(4):54-62. PubMed ID: 17977453.
    Abstract:
    The ability of the natural strain of marsupial fungus Chaetomium globosum 3250 to adapt to the rhizosphere soil of the spring wheat, and to colonize its root system has been studied in the laboratory and field experiments. It is established that C. globosum 3250 adapts to the rhyzosphere soil of culture during vegetative period, actively colonizes the culture root system, forcing the agents of roots rots out of it. A preparation of Khetomyk is created on the basis of the above culture for the improvement of plants feeding and their defence from the agents of root diseases. When applying Khetomyk on sowings of the spring wheat a considerable limitation of development of root rots took place (the disease distribution decreased 2.9 times, and intensity of display--3.9 times), as well as the improvement of plants' feeding, increase of chlorophyll a and b maintenance in leafs. All these provided the considerable increase of the spring wheat harvest--by 30.1% as compared to the control. The culture harvest structure analysis revealed positive influence of Chetomyk on the ear length, the number of seeds in the ear, mass of the seeds in the ear. In experiments with the spring wheat grown in sterile conditions, the ability of C. globosum 3250 to penetrate inside in rhyzoderma cells and root fuzzes and to form carposomes on the root surface has been shown.
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