The potential of fungi collected from earthworm gut and vermicompost producing auxin under tryptophan and non-tryptophan culture

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Published: May 15, 2021
Keywords:
Earthworm Auxin Secondary metabolite Vermicomposting liquid Vermicompost

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Kraisittipanit, R.
Program of Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand; Natural Farming Research and Development Center, Maejo University, Chiang Mai, Thailand
Charerntantanakul, W.
Program of Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
Aumtong, S.
Soil Science Program, Faculty of Agricultural Production, Maejo University, Thailand
Niumsup, P
Program of Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
Klayraung, S.
Program of Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
Tancho, A.
Natural Farming Research and Development Center, Maejo University, Chiang Mai, Thailand; Soil Science Program, Faculty of Agricultural Production, Maejo University, Thailand

Abstract

The earthworm gut consists of many microorganisms which are important to soil improvement. Fungi colonize in the gut of earthworm can produce some secondary metabolites. The result showed thirty-one fungal isolates could produce IAA under PDBt added 0.4% L-tryptophan (53.54 µg/mL) and without (24.05 µg/mL). Three highest IAA producing fungi were similar to Fusarium solani (Mpe7), Aspergillus terreus (YC2) and Trichoderma sp. (RL2), respectively. The biological test revealed that the supernatant of isolates Mpe7, YC2 and RL2 can enhance the root number of Vigna radiata more than the non-trated control on day 7.  The test demonstrated that the increasing of IAA concentration resulted to decrease the root length. It is concluded that the fungi isolated from earthworm guts and developed products can produce IAA with 0.4% L-tryptophan more than without L-tryptophan and enhanced the root growth of V.  radiata

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How to Cite
Kraisittipanit, R., Charerntantanakul, W., Aumtong, S., Niumsup, P, Klayraung, S., & Tancho, A. (2021). The potential of fungi collected from earthworm gut and vermicompost producing auxin under tryptophan and non-tryptophan culture. International Journal of Agricultural Technology, 17(3), 921–928. retrieved from https://li04.tci-thaijo.org/index.php/IJAT/article/view/6075
Issue
Vol. 17 No. 3 (2021): May
Section
Original Study
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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