Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops

Hospital wastewaters are produced in large volumes in Pakistan (∼362–745 L/bed.day) and are discharged without proper treatment. They are widely used by farmers for crop irrigation and induce a phytotoxic effect on plant growth. The study was conducted to evaluate the effect of untreated and treated...

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Autores principales:	Aneeba Rashid, Safdar A. Mirza, Ciara Keating, Sikander Ali, Luiza C. Campos
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	alcaligenes faecalis bacillus paramycoides biodegradation fodder and cash crops phytotoxicity wastewaters Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/8b4f434b756e4cfea15245e053eed2ff
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spelling	oai:doaj.org-article:8b4f434b756e4cfea15245e053eed2ff2021-11-06T10:54:33ZHospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops0273-12231996-973210.2166/wst.2021.079https://doaj.org/article/8b4f434b756e4cfea15245e053eed2ff2021-04-01T00:00:00Zhttp://wst.iwaponline.com/content/83/7/1764https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732Hospital wastewaters are produced in large volumes in Pakistan (∼362–745 L/bed.day) and are discharged without proper treatment. They are widely used by farmers for crop irrigation and induce a phytotoxic effect on plant growth. The study was conducted to evaluate the effect of untreated and treated hospital wastewater on seed germination of a fodder crop Trifolium alexandrinum (Berseem clover) and a food crop Solanum lycopersicum (tomato). A bacterial consortium was formed with three bacterial strains, i.e., Alcaligenes faecalis and Bacillus paramycoides spp., which were individually proven efficient in previous studies. The concentrations of untreated and treated hospital wastewater (25, 50, 75 and 100%) were used to irrigate these crop seeds. To assess the efficiency of treatment, the germination percentage, delay index, germination index, stress tolerance indices, seedling vigour index and phytotoxicity index were calculated and were statistically proven significant. The seeds grown in treated wastewater concentrations showed negative values of phytotoxicity indices (tomato: −0.36, −0.47, −0.78 and −1.11; Berseem clover: −0.23) which indicate a stimulatory or non-toxic effect on seedling growth. Our work proposes that this bacterial consortium is efficient for hospital wastewater treatment before crop irrigation. HIGHLIGHTS Bacterial consortia proficiently used for hospital wastewater treatment.; Novel combination of Alcaligenes faecalis and Bacillus paramycoides spp. promotes the efficiency of hospital wastewater treatment.; Consortium proved to be capable of phytotoxicity reduction in two crop plants, Trifolium alexandrinum (Berseem clover) and Solanum lycopersicum (tomato), irrigated with treated hospital wastewater concentrations.;Aneeba RashidSafdar A. MirzaCiara KeatingSikander AliLuiza C. CamposIWA Publishingarticlealcaligenes faecalisbacillus paramycoidesbiodegradationfodder and cash cropsphytotoxicitywastewatersEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 83, Iss 7, Pp 1764-1780 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	alcaligenes faecalis bacillus paramycoides biodegradation fodder and cash crops phytotoxicity wastewaters Environmental technology. Sanitary engineering TD1-1066
spellingShingle	alcaligenes faecalis bacillus paramycoides biodegradation fodder and cash crops phytotoxicity wastewaters Environmental technology. Sanitary engineering TD1-1066 Aneeba Rashid Safdar A. Mirza Ciara Keating Sikander Ali Luiza C. Campos Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops
description	Hospital wastewaters are produced in large volumes in Pakistan (∼362–745 L/bed.day) and are discharged without proper treatment. They are widely used by farmers for crop irrigation and induce a phytotoxic effect on plant growth. The study was conducted to evaluate the effect of untreated and treated hospital wastewater on seed germination of a fodder crop Trifolium alexandrinum (Berseem clover) and a food crop Solanum lycopersicum (tomato). A bacterial consortium was formed with three bacterial strains, i.e., Alcaligenes faecalis and Bacillus paramycoides spp., which were individually proven efficient in previous studies. The concentrations of untreated and treated hospital wastewater (25, 50, 75 and 100%) were used to irrigate these crop seeds. To assess the efficiency of treatment, the germination percentage, delay index, germination index, stress tolerance indices, seedling vigour index and phytotoxicity index were calculated and were statistically proven significant. The seeds grown in treated wastewater concentrations showed negative values of phytotoxicity indices (tomato: −0.36, −0.47, −0.78 and −1.11; Berseem clover: −0.23) which indicate a stimulatory or non-toxic effect on seedling growth. Our work proposes that this bacterial consortium is efficient for hospital wastewater treatment before crop irrigation. HIGHLIGHTS Bacterial consortia proficiently used for hospital wastewater treatment.; Novel combination of Alcaligenes faecalis and Bacillus paramycoides spp. promotes the efficiency of hospital wastewater treatment.; Consortium proved to be capable of phytotoxicity reduction in two crop plants, Trifolium alexandrinum (Berseem clover) and Solanum lycopersicum (tomato), irrigated with treated hospital wastewater concentrations.;
format	article
author	Aneeba Rashid Safdar A. Mirza Ciara Keating Sikander Ali Luiza C. Campos
author_facet	Aneeba Rashid Safdar A. Mirza Ciara Keating Sikander Ali Luiza C. Campos
author_sort	Aneeba Rashid
title	Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops
title_short	Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops
title_full	Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops
title_fullStr	Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops
title_full_unstemmed	Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops
title_sort	hospital wastewater treated with a novel bacterial consortium (alcaligenes faecalis and bacillus paramycoides spp.) for phytotoxicity reduction in berseem clover and tomato crops
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/8b4f434b756e4cfea15245e053eed2ff
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Hospital wastewater treated with a novel bacterial consortium (Alcaligenes faecalis and Bacillus paramycoides spp.) for phytotoxicity reduction in Berseem clover and tomato crops

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