INTERACTION Between A VESICULAR–ARBUSCULAR MYCORRHIZAL FUNGUS AND <i>STREPTOMYCES CINNAMOMEOUS</i> AND THEIR EFFECTS ON FINGER MILLET

Krishna, K. R.; Balakrishna, A. N.; Bagyarajf, D. J.

doi:10.1111/j.1469-8137.1982.tb03397.x

Cited by 53 publications

(11 citation statements)

References 13 publications

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“…Such an effect of biocontrol agents on vesicular arbuscular mycorrhiza has been shown before (Calvet et al, 1989;Krishna et al, 1982; see also Linderman and Paulitz, 1990). Interestingly, T. harzianum or T. harzianum combined with G. mosseae induced accumulation of large quantities of glyceollin similarly as the pathogen R. solani.…”

Section: Discussionsupporting

confidence: 54%

Testing the effect of biological control agents on the formation of vesicular arbuscular mycorrhiza

1992

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A container system for rapid infection of roots with pathogenic or mycorrhizal fungi was used to test the effect of the two commercial biological control agents, Trichoderma harzianum and Streptomyces griseoviridis, on the formation of vesicular-arbuscular mycorrhiza in soybean. In the presence of these biocontrol agents, mycorrhiza formation with Glomus mosseae was significantly depressed, particularly with S. griseoviridis. Infection by the root pathogen Rhizoctonia solani was not altered by these agents. Remarkably, not only R. solani but also T. harzianum induced accumulation of large amounts of the phytoalexin glyceollin in the roots. In contrast, roots inoculated with S. griseoviridis or with the mycorrhizal fungus G. mosseae did not accumulate glyceollin.

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Section: Discussionsupporting

confidence: 54%

Testing the effect of biological control agents on the formation of vesicular arbuscular mycorrhiza

1992

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“…However, information is limited for rhizosphere microorganisms or mechanisms that suppress mycorrhizal formation. Streptomyces cinnamomeous has been found to reduce mycorrhizal colonization of roots (Krishna et al, 1982). Several fluorescent pseudomonads can produce antifungal compounds (Gurusiddaiah et al, 1986) and Dhillion (1992) reported that inoculation of rice plants with fluorescent Pseudomonas spp.…”

Section: Discussionmentioning

confidence: 99%

Relations between grapevine replant disease and root colonization of grapevine (Vitis sp.) by fluorescent pseudomonads and endomycorrhizal fungi

1994

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In pot experiments cuttings of grapevine rootstock cultivar '5C' were grown on a soil from a grapevine nursery affected with replant disease (replant soil) and on a similar soil that had not been planted with grapevines before (non-replant soil). Plants were also inoculated with the vesicular-arbuscular (VA) mycorrhizal fungus, Glomus mosseae, or left without mycorrhizal fungus inoculation. Shoot and root growth, mycorrhization of roots and numbers of total aerobic bacteria and fluorescent pseudomonads on the rhizoplane of grapevines were determined at several sampling dates. On replant soil, numbers of fluorescent pseudomonads on the rhizoplane were higher compared to non-replant soil, before differences in shoot and root weight between replant and non-replant soil occurred. Without inoculation with G. mosseae, the mycorrhization of roots was much lower on replant soil (13 %) than on non-replant soil (51%). On replant soil, inoculation with G. mosseae increased mycorrhization to 39% and increased shoot length, leaf area and shoot weight. The beneficial effect of VA-fungus inoculation on replant soil was not due to increased nutrient concentrations in leaves. On replant soil, the inoculation with G. mosseae reduced the number of fluorescent pseudomonads on rhizoplane of grapevine, while the numbers of total aerobic bacteria were not influenced by inoculation with G. mosseae. These results suggest a direct or indirect role of fluorescent pseudomonads in replant disease of grapevine.

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“…However, in our study, shifts in the microbial community in the soil amended with Streptomyces were maintained until the end of experiment. Bacteria are well-known to alter fungal development such as germination rate, foraging behaviour, hyphal branching, growth, survival, reproduction, exudate composition and antibacterial metabolites production (Krishna et al, 1982;Barea et al, 2005;de Boer et al, 2005;Kesba and Al-Sayed, 2006;Franco-Correa et al, 2010). Previous studies have demonstrated that Streptomyces sp.…”

Section: Effect Of Pratylenchus Penetrans and Streptomyces Sp Ach 50mentioning

confidence: 99%

Synergists and antagonists in the rhizosphere modulate microbial communities and growth of Quercus robur L.

Caravaca

Maboreke

Kurth

et al. 2015

Soil Biology and Biochemistry

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INTERACTION Between A VESICULAR–ARBUSCULAR MYCORRHIZAL FUNGUS AND STREPTOMYCES CINNAMOMEOUS AND THEIR EFFECTS ON FINGER MILLET

Cited by 53 publications

References 13 publications

Testing the effect of biological control agents on the formation of vesicular arbuscular mycorrhiza

Testing the effect of biological control agents on the formation of vesicular arbuscular mycorrhiza

Relations between grapevine replant disease and root colonization of grapevine (Vitis sp.) by fluorescent pseudomonads and endomycorrhizal fungi

Synergists and antagonists in the rhizosphere modulate microbial communities and growth of Quercus robur L.

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