Current advances in mycorrhization in microporopagation

Rai, Mahendra

doi:10.1007/s11627-001-0028-8

Cited by 61 publications

(32 citation statements)

References 90 publications

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“…AMF can protect host plants from root pathogens and mitigate the effects of extreme variations in temperature, pH and water stress. Successful AMF inoculation at the beginning of acclimatization period has been demonstrated (Branzanti et al, 1992;Rai 2001;Estrada-Luna and Davies 2003). It is now accepted that the contribution of AM symbiosis to plant drought tolerance is the result of accumulative physical, nutritional, physiological and cellular effects.…”

Section: Introductionmentioning

confidence: 97%

Diversity of arbuscular mycorrhizal fungi in the rhizosphere of <i>Coffea arabica</i> in the Republic of Yemen

Al-Arequi¹,

Chliyeh²,

Touhami³

et al. 2013

J. App. Bioscience.

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Objective: This study describes the status of mycorrhizal fungi in coffee (Coffea arabica) in the Yemeni ecosystems. Methodology and results: Soil samples were extracted from the rhizosphere of the coffee tree groves in several regions of Yemen. The frequency and the level of colonization of the arbuscular mycorrhizal fungi (AMF) inside the root bark were measured by assigning an index of mycorrhization from 0 to 5 (Derkowska et al., 2008). The results showed that the AM fungal colonization structures were hyphae, coils and vesicles. The mycorrhizal frequency and intensity reached respectively 100 and 48 % in the Taiz 2 site. The highest spore density was in the order of 100 spores/100 g of soil and the genus Glomus was dominant. The tentative identification test of VAM (Vesicular Arbuscular Mycorrhizae) species, isolated from the rhizosphere of the coffee trees, revealed the presence of five fungal species:, Glomus proliferum, G. etunicatum, Acaulospora sporocarpia, Acaulospora sp.1, Archeospora sp. 1, Scutellospora nigra. Conclusion and application of results: In all the studied sites the coffee roots were mycorrhized. These results demonstrate the existence of opportunities for the application of controlled mycorrhization in the coffee Seedlings nurseries.

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Section: Introductionmentioning

confidence: 97%

Diversity of arbuscular mycorrhizal fungi in the rhizosphere of <i>Coffea arabica</i> in the Republic of Yemen

Al-Arequi¹,

Chliyeh²,

Touhami³

et al. 2013

J. App. Bioscience.

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“…the weaning phase, is the most critical period in the micropropagation process (Vestberg et al, 2002). Symbiotic organisms such as arbuscular mycorrhizal fungi (AMF) and plant growth-promoting rhizobacteria (PGPR) are known to play a fundamental role in sustainable agroecosystems, improving plant performance under environmental stress conditions (Smith and Read, 1997;Nowak, 1998) and may facilitate plant adaptation to the nursery (reviewed by Rai, 2001).…”

Section: Introductionmentioning

confidence: 99%

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

Rodríguez-Romero¹,

Guerra²,

Jaizme-Vega³

2005

Agron. Sustain. Dev.

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-The effect of the combined inoculation of the arbuscular mycorrhizal fungus Glomus manihotis and a rhizobacteria consortium of Bacillus spp. on micropropagated banana plantlets, during the acclimatization phase under routine nursery conditions was investigated. Micropropagated banana plantlets from the 'Grande Naine' cultivar were inoculated with G. manihotis at the beginning of the nursery phase. Twenty days after fungal inoculation, a Bacillus consortium containing approximately 10 8 CFU (colonies former units) mL -1 was applied. Plants were harvested 4 ½ months after bacterial inoculation. Combined application of mycorrhizal fungus and rhizobacteria significantly increased plant growth and nutrition. Combined inoculated plants showed growth parameters, i.e. total fresh weight, aerial dry weight, shoot length and leaf area, significantly higher than non-treated control bananas. Leaf mineral content, i.e. N, P and K, was also significantly increased following combined application of both microorganisms. No adverse effect on mycorrhizal colonization due to Bacillus spp. inoculation could be detected. Our results demonstrate that the combined application of arbuscular mycorrhizal fungi and plant growth-promoting rhizobacteria highly benefits banana plants and therefore could be considered during the acclimatization stage of micropropagated banana.Glomus / Bacillus / micropropagated banana / growth / nursery phase / nutrition

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“…Although micropropagation is an established technique for the production of elite plants, owing to transient transplantation shock, plants require biological hardening before transplantation. For this reason, mycorrhizal technology can be applied to reduce transplantation shock during acclimatisation, thus increasing plant survival and establishment rates (Estrada-Luna et al 2000;Rai 2001). …”

mentioning

confidence: 99%

“…The benefits associated with the use of AM inoculation for in vitro raised plantlets have been reported in several horticultural and forest tree species (Rai 2001). However, little is known about the influence of AM fungi on survival and growth of micropropagated medicinal plant species (Gaur & Adholeya 1999;Sharma et al 2008;Yadav et al 2011).…”

mentioning

confidence: 99%

Arbuscular mycorrhizal technology for the growth enhancement of micropropagated Spilanthes acmella Murr

Yadav¹,

Singh²,

Aggarwal³

2012

Plant Prot. Sci.

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Yadav K., Singh N., Aggarwal A. (2012): Arbuscular mycorrhizal technology for the growth enhancement of micropropagated Spilanthes acmella Murr. Plant Protect. Sci., 48: 31-36.Spilanthes acmella (Asteraceae) is an endangered ornamental cum medicinal annual herb. This study reports on the effect of two arbuscular mycorrhizal fungi (Glomus mosseae and Acaulospora laevis) applied either alone or in combination on post-transplanting performance of micropropagated S. acmella. Complete plantlets of S. acmella were raised by direct organogenesis from nodal explants on Murashige and Skoog medium supplemented with various cytokinins. S. acmella plantlets responded to all three mycorrhizal treatments in a significantly different way. G. mosseae enhanced the survival rate of S. acmella plantlets to 100%. Plant height, plant spread, number of branches per plant, number of leaves per plant, leaf area, biomass production, and chlorophyll content were significantly higher in AM inoculated plantlets as compared to the uninoculated ones. This clearly demonstrates that AM inoculation not only improved the survival rate of micropropagated plantlets but also their growth and biomass yield.

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Current advances in mycorrhization in microporopagation

Cited by 61 publications

References 90 publications

Diversity of arbuscular mycorrhizal fungi in the rhizosphere of <i>Coffea arabica</i> in the Republic of Yemen

Diversity of arbuscular mycorrhizal fungi in the rhizosphere of <i>Coffea arabica</i> in the Republic of Yemen

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

Arbuscular mycorrhizal technology for the growth enhancement of micropropagated Spilanthes acmella Murr

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