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Title: Characterization and efficacy of Muscodor cinnamomi in promoting plant growth and controlling Rhizoctonia root rot in tomatoes
Authors: Nakarin Suwannarach
Jaturong Kumla
Kenji Matsui
Saisamorn Lumyong
Keywords: Agricultural and Biological Sciences
Issue Date: 1-Nov-2015
Abstract: © 2015 Elsevier Inc. Muscodor cinnamomi was selected and investigated for its in vitro ability to produce indole-3-acetic acid (IAA) to solubilize different toxic metal (Ca, Co, Cd, Cu, Pb, Zn)-containing insoluble minerals and tolerance to metals, herbicides and an insecticide. The results indicated that this fungus is able to produce IAA (45.36±2.40μgml<sup>-1</sup>) in liquid media. This phytohormone stimulated coleoptile elongation, and increased seed germination and root elongation of tested plants. The metal tolerance and solubilizing ability depended on the type of insoluble minerals. M. cinnamomi showed the highest growth tolerance on Ca-containing media at 150mM, followed by Zn-containing media at 100mM and Cd-containing media at 10mM. This fungus tolerated the three herbicides (2,4-d-dimethylammonium, glyphosate and paraquat dichloride) and an insecticide (methomyl) at the recommended dosages for field application. Moreover, M. cinnamomi completely controlled Rhizoctonia solani AG-2 root rot in tomato plants, and increased root length, shoot dry weight and root dry weight. This is the first report of in vitro IAA production, solubilization of insoluble metal minerals, and tolerance to herbicides, an insecticide and metals as well as the plant growth promoting ability of M. cinnamomi.
ISSN: 10499644
Appears in Collections:CMUL: Journal Articles

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