Using green waste as substrate to produce biostimulant and biopesticide products through solid-state fermentation

Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 159(2023) vom: 15. März, Seite 84-92
1. Verfasser: Ghoreishi, Golafarin (VerfasserIn)
Weitere Verfasser: Barrena, Raquel, Font, Xavier
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Green waste Indole-3-acetic acid Solid-state fermentation Trichoderma harzianum Biological Control Agents Tryptophan 8DUH1N11BX
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520 |a Although the use of green waste as a substrate in different types of microbial bioprocessing has a major impact on improving green waste valorization, very little information has been provided on this issue. The purpose of this paper is to study the feasibility of using green waste to produce a biostimulant (Indole-3-acetic acid (IAA)) and biopesticide (conidial spore) through solid-state fermentation. Trichoderma harzianum was selected as the inoculum of the process and the green waste was a mixture of grass clippings and pruning waste. An experiment was designed to study the effect of tryptophan concentration, proportion of grass and pruning waste, and substrate moisture on IAA and spore production. The results show that washing and using phosphate buffer has a beneficial effect on green waste quality in terms of bioproduction. The maximum IAA and spore productions reported in the current study were 101.46 µg g-1 dry matter and 3.03 × 109 spore g-1 dry matter, respectively. According to the results, IAA production increases with a higher amount of tryptophan and grass. However, the number of spores increased with lower amounts of tryptophan and grass. The model suggested the following optimized parameters for the production of spores and IAA: tryptophan 0.45 %, grass 61 %, and moisture 74 %. The effect of fermentation time was also studied, and the results show that the maximum IAA and spore production was obtained on days 3 and 7, respectively 
650 4 |a Journal Article 
650 4 |a Green waste 
650 4 |a Indole-3-acetic acid 
650 4 |a Solid-state fermentation 
650 4 |a Trichoderma harzianum 
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650 7 |a Tryptophan  |2 NLM 
650 7 |a 8DUH1N11BX  |2 NLM 
700 1 |a Barrena, Raquel  |e verfasserin  |4 aut 
700 1 |a Font, Xavier  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Waste management (New York, N.Y.)  |d 1999  |g 159(2023) vom: 15. März, Seite 84-92  |w (DE-627)NLM098197061  |x 1879-2456  |7 nnas 
773 1 8 |g volume:159  |g year:2023  |g day:15  |g month:03  |g pages:84-92 
856 4 0 |u http://dx.doi.org/10.1016/j.wasman.2023.01.026  |3 Volltext 
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