Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture

Cyanobacteria rapidly form harmful algal blooms (HABs) that cause serious nutritional imbalances in crop production via hydroponics. Allelopathic extracts from plants can be applied as a solution for ecologically sustainable control of algal blooms. In this study, the effects of 11 aqueous extracts...

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Autores principales:	Chan Saem Gil, Shucheng Duan, Ji Hye Kim, Seok Hyun Eom
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	allelopathy aqueous extract cyanobacteria eco-friendly algaecides hydroponics regrowth Agriculture S
Acceso en línea:	https://doaj.org/article/66e290ce930d41eaabf95824f781dde8
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spelling	oai:doaj.org-article:66e290ce930d41eaabf95824f781dde82021-11-25T16:12:23ZAllelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture10.3390/agronomy111123502073-4395https://doaj.org/article/66e290ce930d41eaabf95824f781dde82021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2350https://doaj.org/toc/2073-4395Cyanobacteria rapidly form harmful algal blooms (HABs) that cause serious nutritional imbalances in crop production via hydroponics. Allelopathic extracts from plants can be applied as a solution for ecologically sustainable control of algal blooms. In this study, the effects of 11 aqueous extracts of 10 allelopathic plants in controlling <i>Microcystis aeruginosa</i> were evaluated. Among the extracts, walnut husk and rose leaf extracts exhibited high inhibitory levels for efficient control of algae. High inhibitory levels were achieved owing to large amounts of water-soluble tannins, especially tannic acid. The effective extracts were applied to a hydroponic system cultivated on leafy perilla vegetables. Although the severe doses (IC<sub>90</sub>) did not guarantee complete algal control due to partial algal regrowth, walnut husk and rose leaf extracts only exerted strong persistent effects on algae control. Persistent algae inhibition contributed to the increase in perilla growth and leaf quality. Rose leaf was potentially a more useful resource for controlling algae in a hydroponic system because the application of rose leaf extract efficiently controlled the algae and was less toxic to perilla growth. In contrast, the treatment of walnut husk extract also controlled algae but inhibited perilla growth with pale green leaves.Chan Saem GilShucheng DuanJi Hye KimSeok Hyun EomMDPI AGarticleallelopathyaqueous extractcyanobacteriaeco-friendly algaecideshydroponicsregrowthAgricultureSENAgronomy, Vol 11, Iss 2350, p 2350 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	allelopathy aqueous extract cyanobacteria eco-friendly algaecides hydroponics regrowth Agriculture S
spellingShingle	allelopathy aqueous extract cyanobacteria eco-friendly algaecides hydroponics regrowth Agriculture S Chan Saem Gil Shucheng Duan Ji Hye Kim Seok Hyun Eom Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture
description	Cyanobacteria rapidly form harmful algal blooms (HABs) that cause serious nutritional imbalances in crop production via hydroponics. Allelopathic extracts from plants can be applied as a solution for ecologically sustainable control of algal blooms. In this study, the effects of 11 aqueous extracts of 10 allelopathic plants in controlling <i>Microcystis aeruginosa</i> were evaluated. Among the extracts, walnut husk and rose leaf extracts exhibited high inhibitory levels for efficient control of algae. High inhibitory levels were achieved owing to large amounts of water-soluble tannins, especially tannic acid. The effective extracts were applied to a hydroponic system cultivated on leafy perilla vegetables. Although the severe doses (IC<sub>90</sub>) did not guarantee complete algal control due to partial algal regrowth, walnut husk and rose leaf extracts only exerted strong persistent effects on algae control. Persistent algae inhibition contributed to the increase in perilla growth and leaf quality. Rose leaf was potentially a more useful resource for controlling algae in a hydroponic system because the application of rose leaf extract efficiently controlled the algae and was less toxic to perilla growth. In contrast, the treatment of walnut husk extract also controlled algae but inhibited perilla growth with pale green leaves.
format	article
author	Chan Saem Gil Shucheng Duan Ji Hye Kim Seok Hyun Eom
author_facet	Chan Saem Gil Shucheng Duan Ji Hye Kim Seok Hyun Eom
author_sort	Chan Saem Gil
title	Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture
title_short	Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture
title_full	Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture
title_fullStr	Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture
title_full_unstemmed	Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture
title_sort	allelopathic efficiency of plant extracts to control cyanobacteria in hydroponic culture
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/66e290ce930d41eaabf95824f781dde8
work_keys_str_mv	AT chansaemgil allelopathicefficiencyofplantextractstocontrolcyanobacteriainhydroponicculture AT shuchengduan allelopathicefficiencyofplantextractstocontrolcyanobacteriainhydroponicculture AT jihyekim allelopathicefficiencyofplantextractstocontrolcyanobacteriainhydroponicculture AT seokhyuneom allelopathicefficiencyofplantextractstocontrolcyanobacteriainhydroponicculture
_version_	1718413319300186112

Allelopathic Efficiency of Plant Extracts to Control Cyanobacteria in Hydroponic Culture

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