Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments

Olive oil extraction generates large amounts of olive mill residues (DOR) which may be used as organic fertilizer. The influence of a combination of physical fractionation and saprobe fungal incubation on the phytotoxicity of DOR was studied. The physical fractions of DOR, obtained following extract...

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Autores principales:	Aranda,E, Sampedro,I, Garcia-Sanchez,M, Reina,R, Arriagada,C, Ocampo,J.A, García-Romera,I
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2012
Materias:	Olive mill waste ethyl acetate
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162012000400001
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spelling	oai:scielo:S0718-951620120004000012013-04-02Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatmentsAranda,ESampedro,IGarcia-Sanchez,MReina,RArriagada,COcampo,J.AGarcía-Romera,I Olive mill waste ethyl acetate Olive oil extraction generates large amounts of olive mill residues (DOR) which may be used as organic fertilizer. The influence of a combination of physical fractionation and saprobe fungal incubation on the phytotoxicity of DOR was studied. The physical fractions of DOR, obtained following extraction using ethyl acetate (EDOR) and water (ADOR) were less phytotoxic than DOR with respect to the shoot dry weight of tomato. There was no relationship between the total phenol content of the different DOR physical fractions and their phytotoxicity. The saprophytic fungus Coriolopsis rigida reduced DOR and ADOR phytotoxicity and eliminated the phytotoxicity of EDOR. However, unlike the physical treatments of DOR, the decrease in the phenol content of EDOR and ADOR caused by C. rigida was closely paralleled to the decrease in their phytotoxicity. After 30 days of incubation, C. rigida was able to eliminate the phytotoxicity of EDOR on tomato plants grown in the field.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.12 n.4 20122012-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162012000400001en10.4067/S0718-95162012005000021
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Olive mill waste ethyl acetate
spellingShingle	Olive mill waste ethyl acetate Aranda,E Sampedro,I Garcia-Sanchez,M Reina,R Arriagada,C Ocampo,J.A García-Romera,I Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments
description	Olive oil extraction generates large amounts of olive mill residues (DOR) which may be used as organic fertilizer. The influence of a combination of physical fractionation and saprobe fungal incubation on the phytotoxicity of DOR was studied. The physical fractions of DOR, obtained following extraction using ethyl acetate (EDOR) and water (ADOR) were less phytotoxic than DOR with respect to the shoot dry weight of tomato. There was no relationship between the total phenol content of the different DOR physical fractions and their phytotoxicity. The saprophytic fungus Coriolopsis rigida reduced DOR and ADOR phytotoxicity and eliminated the phytotoxicity of EDOR. However, unlike the physical treatments of DOR, the decrease in the phenol content of EDOR and ADOR caused by C. rigida was closely paralleled to the decrease in their phytotoxicity. After 30 days of incubation, C. rigida was able to eliminate the phytotoxicity of EDOR on tomato plants grown in the field.
author	Aranda,E Sampedro,I Garcia-Sanchez,M Reina,R Arriagada,C Ocampo,J.A García-Romera,I
author_facet	Aranda,E Sampedro,I Garcia-Sanchez,M Reina,R Arriagada,C Ocampo,J.A García-Romera,I
author_sort	Aranda,E
title	Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments
title_short	Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments
title_full	Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments
title_fullStr	Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments
title_full_unstemmed	Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments
title_sort	reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162012000400001
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Reduced dry olive residue phytotoxicity in the field by the combination of physical and biological treatments

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