Interactions of arbuscular mycorrhizal fungi with other soil organisms

Gryndler, Milan

doi:10.1007/978-94-017-0776-3_11

Cited by 74 publications

(46 citation statements)

References 99 publications

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“…Generally, AM fungi are known to favour the growth of benefi cial microbes and both AM fungi and other microbes are known to infl uence each other [21,22]. In the present study, contrasting results were obtained for AM fungi and other microbial population.…”

Section: Discussioncontrasting

confidence: 64%

General microflora, arbuscular mycorrhizal colonization and occurrence of endophytes in the rhizosphere of two age groups of Ginkgo biloba L.of Indian Central Himalaya

2009

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The populations of the general microfl ora (bacteria, actinomycetes and fungi) in the rhizosphere and their corresponding non-rhizosphere soil samples of Ginkgo biloba L. of two age groups (Group A, <25 years-young trees; Group B, >60 years-old trees) growing under a temperate location of Indian Himalayan Region (IHR) have been determined. Observations were also made for the diversity, distribution and colonization of arbuscular mycorrhizal (AM) fungi and occurrence of endophytes in roots of G. biloba. The population of general microfl ora was found to be higher in the rhizosphere of Group B trees, more clearly refl ected in terms of rhizosphere: soil (R: S) ratios. Contrary to this, per cent colonization and spore densities of AM fungi were higher in the rhizosphere of Group A trees as compared to the rhizosphere of Group B. AM fungal colonization was observed mostly in form of loose coils. All the spores detected, belonged to the genus Glomus with fi ve different types. Presence of endophytes (both bacteria and fungi) was observed in the cortical cells of G. biloba roots, more profound in case of Group B trees. Data suggest that, while the species of Glomus dominated the rhizosphere of G. biloba, an inverse correlation exist between the colonization of general microfl ora and the colonization of AM fungi including endophytes.

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Section: Discussioncontrasting

confidence: 64%

General microflora, arbuscular mycorrhizal colonization and occurrence of endophytes in the rhizosphere of two age groups of Ginkgo biloba L.of Indian Central Himalaya

2009

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“…For example, Klironomos and Moutoglis (1999) showed that the collembola Folsomia candida increased the dispersal range of Glomus etunicatum by at least 30 cm. On the other hand, AM fungi can also be vectors for other soil organisms (Gryndler 2000). For example, Bianciotto et al (1996) found that several strains of rhizobia and pseudomonads adhere to the surface of AM fungal spores, hyphae, and auxiliary cells and thus, AM fungi may transport these soil microbes throughout the soil.…”

Section: Dispersal or Destruction Of Propagulesmentioning

confidence: 98%

“…A recent review (Gryndler 2000) illustrates the diversity of interactions between AM fungi and other soil organisms involving both stimulatory and inhibitory compounds. For example, an isolate of Aspergillus niger that produced substances similar to indole-3-acetic acid and gibberellic acid was shown to increase the fitness of both Glomus fasciculatum and the host plant (Manjunath et al 1981).…”

Section: Stimulatory or Inhibitory Compoundsmentioning

confidence: 99%