Effect of arbuscular mycorrhizal fungi and rhizobacteria 
on banana growth and nutrition

Rodríguez-Romero, Ana Sue; Guerra, María Sol Piñero; Jaizme-Vega, María del Carmen

doi:10.1051/agro:2005039

Cited by 31 publications

(14 citation statements)

References 26 publications

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“…The findings reported here may indicate that the presence of inorganic nutrients without mycorrhizae failed to produce better results in terms of growth variables as reported previously (Endlweber and Scheu, 2006;Rodríguez-Romero et al, 2005). An in- Impatiens balsamina is a highly mycotrophic species.…”

Section: Discussionsupporting

confidence: 75%

The reduction in proline buildup in mycorrhizal plants affected by nematodes

Bañuelos

Aguilar

Alarcón

et al. 2012

J. Soil Sci. Plant Nutr.

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Plants stressed by pathogens activate a variety of defense mechanisms to survive. The osmoprotector amino acids, including proline, are among these defense mechanisms. In this work, the effects of arbuscular mycorrhizal fungi on plants infested by root-knot nematodes were evaluated with regard to the accumulation of the osmoprotectant proline. A 2x3 factorial design was established with 8 treatmentswith and without nematodes, with and without mycorrhizae, and with and without fertilizer application -with 4 replicates. Two weeks after inoculation with arbuscular mycorrhizal fungi, the plants were infested with 4 nematode egg masses, and 8 weeks later, the plants were harvested. The inoculation with the arbuscular mycorrhizal fungi significantly reduced the proline content, with the non-inoculated plants exhibiting a higher concentration. Neither the infestation of the nematodes nor the addition of fertilizer significantly affected the proline content. Plant height, stem diameter, leaf area, number of leaves, and fresh weight were significantly improved by the presence of the arbuscular mycorrhizal fungi. The interaction of the fungi and the fertilizer did have a significant effect for height and leaf area. The nematode infestation and the fertilization did not affect mycorrhizal colonization.

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Section: Discussionsupporting

confidence: 75%

The reduction in proline buildup in mycorrhizal plants affected by nematodes

Bañuelos

Aguilar

Alarcón

et al. 2012

J. Soil Sci. Plant Nutr.

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“…These bacteria also increased N content and dry weight of roots and shoots. Beneficial effects of Bacillus on plant growth and reduction of diseases was also reported by Raj et al (2003) and Rodríguez-Romero et al (2005).…”

Section: Greenhouse Experimentssupporting

confidence: 57%

Characterization and selection ofBacillus sp. strains, effective biocontrol agents againstFusarium oxysporum f. sp.radicis-lycopersici, the causal agent of Fusarium crown and root rot in tomato

et al. 2009

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-The antagonistic activities of 20 Bacillus isolates were tested with dual culture and greenhouse conditions against Fusarium oxysporum f. sp. radicis-lycopersici (FORL) race 0, the causal agent of Fusarium crown and root rot of tomato. Under dual culture, 10 isolates inhibited mycelial growth > 38% and the most effective inhibited fungal growth > 50%. The 20 Bacillus isolates were tested for production of volatiles, cyanide, antibiotics, and phosphorus solubilisation; 15 isolates produced volatiles that inhibited growth of pathogens, 9 isolates produced cyanide, 10 produced antibiotics, and five solubilised phosphorus. Greenhouse experiments with the same 20 isolates revealed the effectiveness of 12 strains, which increased the percentage of healthy plants in the tested cultivar from 66 to 96%. The best disease control was achieved by isolates B11, B5, B17, and B18. However, B11 and B17 were the only isolates that produced cyanide, antibiotics, solubilised phosphate and showed 44% inhibition of fungal growth. The selected strains could be considered in plant growth promotion and biological disease control.

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“…The nursery phase lasted two and half weeks longer than the experimental nursery period followed by Rodriguez-Romero et al (2005). Three soil replicates from each treatment were thoroughly mixed in sterile containers to constitute a composite sample from which 1 kg soil was taken and placed in sterile paper bags and labeled.…”

Section: Dna Amplification and Sequencing Procedurementioning

confidence: 99%

Occurrence of Arbuscular Mycorrhizal Fungi and Fusarium in TC Banana Rhizosphere Inoculated with Microbiological Products in Different Soils in Kenya

Onguso¹,

and²,

Njuguini³

et al. 2015

International J. of Soil Science

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The impact of microbiological commercial products (PHC Biopak, Rhizatech and ECO-T) on the occurrence of mycorrhizae and Fusarium in the rhizosphere of tissue culture banana (Gros Mitchel cv.) was assessed. Tissue cultured banana plantlets were inoculated with PHC Biopak (Bacillus), Rhizatech (mycorrhiza) and ECO-T (T. harzianum) under greenhouse conditions using a completely randomized design in a Vertisol, Rhodic Ferralsol and Humic Nitisol sampled from the major banana growing regions in Kenya. Potted plants were later established under field conditions in the three agro ecological zones. Roots and soils sampled at end of potting and at flowering were assessed for AM fungi colonization and Fusarium populations. The effect of product inoculation on AM fungi colonization varied and only significant (p<0.05) in Rhodic Ferralsol with Rhizatech increasing intensity of colonization by 31.9% and PHC Biopak increasing the frequency of colonization by 38.6% compared to the non-inoculated control (12.9%). F. oxysporum, fsp. cubense, F. proliferatum and F. incarnatum were recovered from the experimental soils. Foc was the most abundant in the three soils (prior to inoculation) accounting for 60.6% of all Fusarium colony forming units. After inoculation, at the end of potting stage and at flowering, F. proliferatum was mostly isolated from the three zones accounting for 35.2% of the total fungal population. Foc was isolated from Humic Nitisol and Vertisol accounting for 11.5% of the total fungal population. PHC Biopak, ECO-T and Rhizatech suppressed Foc colony forming units per gram of soil by 47, 68 and 55%, respectively in the Humic Nitisol. ECO-T reduced Fusarium colony forming units per gram of soil by 6% in Rhodic Ferralsol and PHC Biopak by 50% in Vertisol compared to the non-inoculated soils. There is potential in use of commercial microbiological products to suppress Foc and the efficacy of the products depends on soil physico-chemical properties.

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Effect of arbuscular mycorrhizal fungi and rhizobacteria on banana growth and nutrition

Cited by 31 publications

References 26 publications

The reduction in proline buildup in mycorrhizal plants affected by nematodes

The reduction in proline buildup in mycorrhizal plants affected by nematodes

Characterization and selection ofBacillus sp. strains, effective biocontrol agents againstFusarium oxysporum f. sp.radicis-lycopersici, the causal agent of Fusarium crown and root rot in tomato

Occurrence of Arbuscular Mycorrhizal Fungi and Fusarium in TC Banana Rhizosphere Inoculated with Microbiological Products in Different Soils in Kenya

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