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

Kuldeep Yadav, Narender Singh and Ashok Aggarwal
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Kuldeep Yadav: Plant Tissue Culture Laboratory and
Narender Singh: Plant Tissue Culture Laboratory and
Ashok Aggarwal: Mycology and Plant Pathology Laboratory, Department of Botany, Kurukshetra University, Kurukshetra, Haryana, India

Plant Protection Science, 2012, vol. 48, issue 1, 31-36

Abstract: 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 improved not only the survival rate of micropropagated plantlets but also their growth and biomass yield.

Keywords: Glomus mosseae; Acaulospora laevis; Spilanthes acmella; acclimatisation; micropropagation (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:48:y:2012:i:1:id:21-2011-pps

DOI: 10.17221/21/2011-PPS

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