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Homeopathic drugs to control red rot disease in sisal plants

2015Journal article Open access
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dc.contributor.authorGama, Erasto V.S.
dc.contributor.authorSilva, Franceli
dc.contributor.authorSantos, Ivanete
dc.contributor.authorMalheiro, Ricardo
dc.contributor.authorSoares, Ana Cristina Fermino
dc.contributor.authorPereira, J.A.
dc.contributor.authorArmond, Cintia
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2018-03-01T16:04:54Z
dc.date.accessioned2018-03-05T09:18:41Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2018-03-01T16:04:54Z
dc.date.available2018-03-05T09:18:41Z
dc.date.issued2015
dc.description.abstractSisal—Agave sisalana Perrine ex. Engelm—is a key economical and social crop in the semi-arid region of Brazil, especially in the Bahia state. Sisal is severely affected by Aspergillus niger Thieg, the causal agent of sisal red rot. Currently, existing control strategies are fruitless. Here, we tested different homeopathic drugs Carbo vegetabilis, Ferrum metallicum, Natrum muriaticum, phosphorus and sulphur at centesimal Hahnemannian (CH) dynamizations, of 3CH, 5CH, 7CH, 9CH and 12CH, on Aspergillus niger. We measured in vitro growth inhibition, sporulation and germination of Aspergillus niger during 12 days. We assessed in planta Aspergillus niger incidence and disease severity. Our results show that homeopathic drugs inhibited Aspergillus niger growth in vitro, in a dynamization-dependent way. Natrum muriaticum 5CH revealed the higher inhibition of 66 %, whereas sulphur 5CH yielded the lowest inhibition of 6.4 %. Spore production was stimulated using all homeopathic drugs at all dynamization levels, whereas spore germination was reduced. In planta assays revealed different results from in vitro assays, corroborating that in planta and in vitro effectiveness is different according to the homeopathic drugs applied. Here, disease incidence was not reduced significantly, but disease severity was lower in treated plants, of 27.8 % using Ferrum metallicum 9CH than in control trials, of 73.6 %. Overall, our findings suggest that homeopathic drugs could be a good strategy to control Aspergillus niger incidence in sisal plants.en_EN
dc.description.sponsorshipA.S. Sant'Ana and L.P. Silva are indebted to the financial support provided by CAPES, CNPq and FAPESP. Dr. Gonzales-Barron wishes to acknowledge the financial support provided by the Portuguese Foundation for Science and Technology (FCT) through the award of a five-year Investigator Fellowship (IF) in the mode of Development Grants (IF/00570).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationGama, Erasto V.S.; Silva, Franceli; Santos, Ivanete; Malheiro, Ricardo; Soares, Ana Cristina Fermino; Pereira, José Alberto; Armond, Cintia (2015). Homeopathic drugs to control red rot disease in sisal plants. Agronomy for Sustainable Development. ISSN 1774-0746. 35, p. 649-656en_EN
dc.identifier.doi10.1007/s13593-014-0255-0en_EN
dc.identifier.issn1774-0746
dc.identifier.urihttp://hdl.handle.net/10198/16116
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectDynamizationsen_EN
dc.subjectHomeopathyen_EN
dc.subjectSisalen_EN
dc.subjectSisal red roten_EN
dc.titleHomeopathic drugs to control red rot disease in sisal plantsen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameMalheiro
person.familyNamePereira
person.givenNameRicardo
person.givenNameJosé Alberto
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0002-7342-0511
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id25650218300
person.identifier.scopus-author-id57204366348
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication0fa7974d-abd3-444b-9a7e-16d16530a0f7
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscovery7932162e-a2da-4913-b00d-17babbe51857

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