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Dissertations / Theses on the topic 'Fusarium oxysporium'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Frias, Amanda Gretter 1990. "Caracterização de isolados de Fusarium oxysporum f.sp . lactucae obtidos de campos de produção comercial no Estado de São P aulo e avaliação de genótipos de alface /." Botucatu :, 2014. http://hdl.handle.net/11449/110957.

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Orientador: Marcelo Agenor Pavan<br>Coorientador: Denise Nozaki<br>Banca: Rumy Goto<br>Banca: Romulo Fujito Kobori<br>Resumo: A murcha de fusário, causada pelo fungo de solo Fusarium oxysporum f.sp. lactucae é uma das doenças mais severas que ataca m a cultura da alface em todo o mundo. Em 2011, foram encontrados em uma plantação de alface n os município s de Capão Bonito e Campin as n o estado de São Paulo, sintomas característicos do ataque do patógeno. Plantas sintomáticas foram coletadas para identificação do patógeno. O s exame s em microscóp io óptico revel aram a presença de macroconídi

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2

Fourie, Gerda. "Evolutionary biology of Fusarium oxysporum f.sp. cubense." Diss., University of Pretoria, 2008. http://hdl.handle.net/2263/29586.

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Fusarium oxysporum Schlecht. is a cosmopolitan species complex that consists of both pathogenic and non-pathogenic members. The pathogenic members are subdivided into formae speciales, based on virulence to specific host species. More than 150 formae speciales have been described, of which F. oxysporum f.sp. cubense (E.F.Smith) Snyder and Hansen (Foc), causal agent of Fusarium wilt of banana, is regarded as one of the economically most important and destructive. According to phenotypic and genotypic markers, Foc has been classified into three races and 24 vegetative compatibility groups, and c

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3

Forner, Cassiano 1985. "Avaliação de resíduos orgânicos para o manejo de Fusariose em diferentes patossistemas /." Botucatu, 2016. http://hdl.handle.net/11449/137860.

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Orientador: Wagner Bettiol<br>Banca: Marcelo Augusto Boechat Morandi<br>Banca: Eugenio Alfredo Sanfuentes Von Stowasser<br>Banca: Miguel Angel Dita Rodriguez<br>Banca: Carlos Gilberto Raetano<br>Resumo: Os resíduos orgânicos e agentes de biocontrole podem constituir em alternativas no controle dos fitopatógenos habitantes do solo. O trabalho teve por objetivo estudar o controle de Fusarium spp. com resíduos orgânicos e agentes de biocontrole. Inicialmente foi avaliado o efeito de hidrolisado e emulsão de peixe, nas concentrações de 0, 10, 20, 30, 40 e 50% do volume de água para atingir a capac

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4

Akinpelu, Enoch Akinbiyi. "Bioremediation of gold mine wastewater using fusarium oxysporum." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/918.

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Thesis submitted in fulfilment of the requirements for the degree Magister Technologiae: Chemical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology 2014<br>The legislative requirements for handling cyanide containing wastewater have become stringent internationally. Cyanide properties make it indispensable in the mining industry especially for gold recovery. The resultant wastewater generated is discarded to tailing ponds. Any leakages or total collapse of tailing ponds can result in the contamination of surface water bodies; endangering aquatic org

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5

Roebroeck, Eugène Joannes Augustinus. "Fusarium oxysporum from iridaceous crops analysis of genetic diversity and host specialisation /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2000. http://dare.uva.nl/document/82118.

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6

Upasani, M. L. "Molecular characterization of chickpea - fusarium oxysporum f. sp. ciceri interaction." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2017. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/5878.

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7

Poullis, Constantinos Andreas. "Fusarium wilt of watermelons in Cyprus." Thesis, University of London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391502.

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8

Bicas, Juliano Lemos 1982. "Estudos de obtenção de bioaromas pela biotransformação de compostos terpenicos." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256672.

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Orientador: Glaucia Maria Pastore<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-12T23:31:35Z (GMT). No. of bitstreams: 1 Bicas_JulianoLemos_D.pdf: 1661445 bytes, checksum: 73851fe13d8b9c41e2fbd0029e3dbb53 (MD5) Previous issue date: 2009<br>Resumo: O objetivo do presente trabalho foi efetuar estudos de biotransformação de substratos terpênicos para a obtenção de compostos de aromas naturais, ou bioaromas, enfatizando os processos bioquímicos envolvidos nos procedimentos empregados e a otimização da produçã

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9

Pereira, Débora Gonçalves. "Melhoramento de feijoeiro-comum com grãos pretos para resistência a murcha-de-fusário." Universidade Federal de Goiás, 2016. http://repositorio.bc.ufg.br/tede/handle/tede/7163.

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10

Groenewald, Susan. "Biology, pathogenicity and diversity of Fusarium oxysporum f.sp. cubense." Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-02232007-175712.

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11

Wong, Jia Yih. "The population biology of 'Fusarium oxysporum' f. sp. 'asparagi'." Thesis, University of Kent, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429653.

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12

Cortes, Blanca R. "Parasexuality and heterokaryosis in fusarium oxysporum forma specialis cubense." FIU Digital Commons, 1996. http://digitalcommons.fiu.edu/etd/2717.

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Intra and Inter Vegetative Compatibility Group (VCG) heterokaryon formation was observed in Fusariurn oxysporum f.sp. cubense (Foc). Using the double-pick method to force heterokaryon formation via hyphal anastomosis, 104 pairwise combinations were done between 100 auxotrophic mutants of Foe representing races 1, 2 and 4 in five VCGs. Inter formae speciales heterokaryon formation was also observed on pairings between benomyl resistant Wild Type Testers (WTT) and wild type isolates in 15 VCGs and four different formae speciales. Microconidia analysis of heterokaryons identified both parental ph

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13

Whitehead, Debra Sian. "Races and pathotypes of the wilt pathogen Fusarium oxysporum." Thesis, University of East Anglia, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293758.

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14

Sakamoto, Keiji. "Biochemical and applied studies of lactonohydrolase from Fusarium oxysporum." Kyoto University, 2004. http://hdl.handle.net/2433/145421.

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Kyoto University (京都大学)<br>0048<br>新制・論文博士<br>博士(農学)<br>乙第11517号<br>論農博第2535号<br>新制||農||899(附属図書館)<br>学位論文||H16||N3967(農学部図書室)<br>22691<br>UT51-2004-L938<br>(主査)教授清水昌, 教授加藤暢夫, 教授喜多恵子<br>学位規則第4条第2項該当

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15

Sorenson, Suzanne. "Genetic variation within Fusarium Oxysporum f.sp. cubense in Banana." Thesis, Queensland University of Technology, 1993. https://eprints.qut.edu.au/105698/1/T%28S%29%2038%20Genetic%20variation%20within%20Fusarium%20oxysportum%20f.sp.%20cubanese%20in%20Banana.pdf.

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Genetic variation within the fungus F. oxysporum f.sp. cubense, which causes Fusarium wilt in banana, was examined using RAPD-PCR. RAPDPCR is a method of generating genome specific "fingerprints" which can be compared to determine genetic relatedness. In this study, the RAPD-PCR technique was optimised and used to determine the genetic relatedness between different vegetative compatibility groups (VCGs) and races, and among isolates within different VCGs and races of F. oxysporum f.sp. cubense. An understanding of the genetic diversity within F. oxysporum f.sp. cubense is essential to select

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16

Kumar, Y. "Proteomic and metabolomic analysis of chickpea‐fusarium oxysporum interactions." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2015. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2002.

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17

Menezes, Henrique Dantas de. "Efeito da inativação fotodinâmica com fotossensibilizadores fenotiazínicos em microconídios não germinados e germinados dos fungos Fusarium oxysporum, Fusarium moniliforme e Fusarium solani." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/60/60135/tde-03072017-073451/.

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Fusarium é um grande gênero de fungos filamentosos amplamente distribuídos que são importantes patógenos de plantas, animais e humanos. As doenças causadas por Fusarium spp. geram grandes perdas econômicas na produção de frutas, legumes, cereais e de celulose. Em humanos, o controle da fusariose com apenas um antifúngico é ineficaz, apresentando uma elevada taxa de mortalidade, especialmente em pacientes imunocomprometidos. A maior resistência aos fungicidas utilizados atualmente tem estimulado o desenvolvimento de novas tecnologias mais eficazes para o controle de fungos patogênicos. Assim, é

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18

Speranza, Paula 1976. "Caracterização bioquímica de cutinases produzidas em diferentes meios de cultivo por Fusarium oxysporum e avaliação do potencial enantiosseletivo destas enzimas." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/254179.

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Orientadores: Gabriela Alves Macedo, Patricia de Oliveira Carvalho<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-16T15:43:03Z (GMT). No. of bitstreams: 1 Speranza_Paula_M.pdf: 2790177 bytes, checksum: c48b32a4db9fbe192ae18d8080a3c523 (MD5) Previous issue date: 2010<br>Resumo: A cutinase (E.C. 3.1.1.74) é uma enzima que catalisa a hidrólise de ligações ésteres da cutina. A cutina é um biopolímero insolúvel em água, composto de ácidos graxos com C16 e C18, e que está presente na superfície externa das

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19

Amaya, Torres María Isabel. "Funcionalidad de las oxidasas de giberelinas de Fusarium fujikuroi en transformantes de Fusarium oxysporum, Fusarium graminearum y Aspergillus nidulans." Tesis, Universidad de Chile, 2012. http://www.repositorio.uchile.cl/handle/2250/113419.

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Tesis presentada a la Universidad de Chile para optar al grado académico de Magister en Bioquímica área de especialización en Bioquímica Ambiental y Memoria para optar al título profesional de Bioquímico<br>Memoria de título de bioquímico<br>No autorizada por el autor para ser publicada a texto completo<br>El hongo filamentoso Fusarium fujikuroi produce diversos metabolitos secundarios entre los que se encuentran las giberelinas (GAs), diterpenoides tetracíclicos derivados del ácido mevalónico de interés agronómico debido al efecto regulador que presentan sobre el crecimiento y desarroll

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20

Prazeres, Janaina Nicanuzia dos. "Produção, purificação e caracterização da lipase alcalina de Fusarium oxysporum." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256716.

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Orientador: Glaucia Maria Pastore<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-06T21:40:30Z (GMT). No. of bitstreams: 1 Prazeres_JanainaNicanuziados_D.pdf: 4737437 bytes, checksum: ec3f9eaf0835996e8527fb6b9970354f (MD5) Previous issue date: 2006<br>Resumo: Recentemente, a aplicação industrial de lipases microbianas tem sido estendida a muitas áreas, como por exemplo, na modificação de triglicerídeos, síntese de vários compostos de ésteres e detergentes. As lipases podem ser aplicadas na limpeza de maquiná

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21

Fraga, Laira Priscila. "Produção de cutinase por fusarium oxysporum utilizando sub-produtos agroindustriais." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256632.

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Orientador: Gabriela Alves Macedo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-10T02:54:59Z (GMT). No. of bitstreams: 1 Fraga_LairaPriscila_M.pdf: 554432 bytes, checksum: 56119a190bf37124ca4c590d3059597c (MD5) Previous issue date: 2008<br>Resumo: Cutinases são enzimas amplamente encontradas na natureza, podendo ser obtidas de fontes vegetais ou microorganismos. Trata-se de uma esterase que atua tanto como esterase quanto como lipase, capaz de hidrolisar uma ampla variedade de ésteres sintéticos e tr

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Heck, Daniel Winter [UNESP]. "Supressividade a Fusarium oxysporum f. sp. cubense por produtos orgânicos." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/132112.

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Made available in DSpace on 2015-12-10T14:23:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-02-13. Added 1 bitstream(s) on 2015-12-10T14:30:01Z : No. of bitstreams: 1 000851960_20160101.pdf: 357482 bytes, checksum: ae9894ea91df158c3f254d8712309980 (MD5) Bitstreams deleted on 2016-01-04T10:26:50Z: 000851960_20160101.pdf,. Added 1 bitstream(s) on 2016-01-04T10:28:39Z : No. of bitstreams: 1 000851960.pdf: 1986629 bytes, checksum: fd2eda9f5c5da698a200b6313ee03909 (MD5)<br>A indução de supressividade a Fusarium oxysporum f. sp. cubense (Foc) em bananeira por meio de produtos orgânicos

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Heck, Daniel Winter 1990. "Supressividade a Fusarium oxysporum f. sp. cubense por produtos orgânicos /." Botucatu, 2015. http://hdl.handle.net/11449/132112.

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Orientador: Wagner Bettiol<br>Coorientador: Carlos Gilberto Raetano<br>Banca: Antonio Carlos Maringoni<br>Banca: Miguel Angel Dita Rodriguez<br>Resumo: A indução de supressividade a Fusarium oxysporum f. sp. cubense (Foc) em bananeira por meio de produtos orgânicos foi avaliada pela incorporação ao solo, artificialmente infestado com o patógeno, de biocarvão de serragem de Eucalyptus (BC), casca de camarão (CC), composto de lodo de esgoto (LE), concha de marisco (CM), bio-óleo de casca de arroz (BA) e de serragem de Eucalyptus (BE), emulsão (EP) e hidrolisado de peixe (HP). Características quí

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24

Scarlett, Kelly Ann. "Epidemiology of Fusarium oxysporum f. sp. cucumerinum in greenhouse cucumbers." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/13707.

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Fusarium Bosporus f. sp. cucumerinum is the fungal pathogen responsible for Fusarium vascular wilt of cucumber. The options for managing Fusarium wilt in greenhouse cucumbers are limited by our poor understanding of the modes of survival and dissemination of the pathogen. Aerial dissemination of the pathogen was investigated following the development of a highly specific and sensitive quantitative real-time PCR assay that reliably detected as few as 100 Fusarium oxysporum f. sp. cucumerinum genome copies in environmental matrices. Numbers of both macroconidia and microconidia were variable in

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Almeida, Édipo da Silva. "Biossíntese e caracterização de nanopartículas de prata por fusarium oxysporum." reponame:Repositório Institucional da UFSC, 2017. https://repositorio.ufsc.br/xmlui/handle/123456789/178991.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Química, Florianópolis, 2017<br>Made available in DSpace on 2017-09-05T04:13:14Z (GMT). No. of bitstreams: 1 347270.pdf: 2494526 bytes, checksum: bbea18f57e394096de608a8cec11abbe (MD5) Previous issue date: 2017<br>As nanopartículas de prata sintetizadas a partir de sistemas microbianos por meio de métodos de produção verde, também conhecido como métodos ecoeficientes são uma realidade do século XXI. O método da biossíntese é considerado uma técnica ecologicamente limpa

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Nimbalkar, S. B. "Host-pathogen interaction with reference to chickpea and fusarium oxysporum." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2007. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2587.

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27

Matheron, Michael E. "Biology and management of Fusarium wilt of lettuce." College of Agriculture, University of Arizona (Tucson, AZ), 2015. http://hdl.handle.net/10150/575876.

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3 pp.<br>This publication provides information on the development and management of Fusarium wilt of lettuce. Topics covered include the characteristics of the plant pathogen, disease development, and disease management considerations.

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Lage, Daniel Anacleto da Costa. "Fumigação de solo com óleo essencial de mostarda para o controle da murcha de fusário em tomateiro." Universidade Federal de Viçosa, 2009. http://locus.ufv.br/handle/123456789/4371.

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Made available in DSpace on 2015-03-26T13:37:40Z (GMT). No. of bitstreams: 1 texto completo.pdf: 494315 bytes, checksum: ae779e1b9f8fc13a152740edf2e2b595 (MD5) Previous issue date: 2009-02-12<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>The fusarium wilt caused by Fusarium oxysporum f. sp. lycopersici (Fol), is one of the major problems in tomato cultivation especially in green house crop. The soil infestation with this pathogen can make the green house cultivation unviable, therefore periodic fumigation is recommended to maintain low inoculum level in soil. This study

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Kearvell, Joan. "Reduction of T-2 toxic activity by enzymes from Fusarium oxysporum." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69524.

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Fusarium oxysporum grown on natural media was believed not to produce mycotoxins of the trichothecene family. Using a defined chemical medium toxin production was investigated for and it was found that trichothecenes were produced. A yeast bioassay using Kluyveromyces fragilis, an organiam sensitive to such trichothecenes as T-2 toxin and verrucarin, was used for detection of toxin in culture filtrates. Detectable levels of toxin (0.2 $ mu$g in litre of culture) were seen by day 4 and peaked around day 9 corresponding to maximum growth (measured by mycelial mass). After this time fluctuations

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Teunissen, Hedwich Agnes Sophia. "Parasexual fusion in Fusarium oxysporum biological and molecular characterization of avirulence recombinants /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2002. http://dare.uva.nl/document/85997.

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MALVAEZ, AGUILAR DIEGO. "ALTERNATIVAS DE MANEJO DE LA MARCHITEZ (Fusarium oxysporum f.sp. gladioli) DEL GLADIOLO (Gladiolus spp.) EN ALMOLOYA DE JUÁREZ, ESTADO DE MÉXICO." Tesis de Licenciatura, UNIVERSIDAD AUTÓNOIMA DEL ESTADO DE MÉXICO, 2019. http://hdl.handle.net/20.500.11799/105077.

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Propone alternativas de manejo de la marchitez del gladiolo por Fusarium oxysporum<br>The gladiolus is an important crop in the floriculture industry. It has one of the highest production demands among ornamentals at both the national and state levels. Over the past few years, large economic losses have been accrued due to ineffective production management from cultivation in the field through post-harvest storage of corms. This crop presents a variety of phytosanitary issues, key among which are gladiolus rust, thrips, and wilt. Fusarium oxysporum f.sp. gladioli attacks plants in the field as

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Rodrigues, de Miranda Izabel. "Características morfofisiológicas e polimorfismo de DNA de isolados de Fusarium oxysporum f.sp. passiflorae do Nordeste do Brasil." Universidade Federal de Pernambuco, 2000. https://repositorio.ufpe.br/handle/123456789/600.

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Made available in DSpace on 2014-06-12T15:03:57Z (GMT). No. of bitstreams: 2 arquivo4377_1.pdf: 7022466 bytes, checksum: ddcd0ae8a9c48ea3d7bc2290ffa19a0c (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2000<br>Quinze isolados de Fusarium oxysporum f.sp. passiflorae provenientes do nordeste do Brasil foram analisados quanto a sua variabilidade genética utilizando a técnica de RAPD (Random Amplified Polymorphic DNA) e em termos de características morfofisiológicas. Os isolados foram obtidos da Micoteca-URM do Departamento de Micologia/UF

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Barenstrauch, Margot. "Characterization of oxylipin signaling in the chemical interaction between the endophyte Paraconiothyrium variabile and the phytopathogen Fusarium oxysporum." Thesis, Paris, Muséum national d'histoire naturelle, 2018. http://www.theses.fr/2018MNHN0010/document.

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Les champignons endophytes sont des microorganismes non-pathogènes impliqués dans des associations mutualistes avec les plantes. Les endophytes foliaires, en particulier, représentent un groupe très divers, mais leurs interactions avec la plante hôte et ses micro-organismes associés sont peu connues. Des travaux préliminaires initiés par notre équipe, explorant la diversité microbienne foliaire du conifère Cephalotaxus harringtonia, ont permis d’isoler la souche fongique Paraconiothyrium variabile (Ascomycota), un antagoniste du phytopathogène Fusarium oxysporum. Au cours de leur interaction,

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Bao, Jian Rong. "Use of GUS for detection of Fusarium oxysporum in tomato roots." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ42496.pdf.

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Sampaio, Ana Margarida. "Unravelling the genetic control of Fusarium Oxysporum resistance in Lathyrus sativus." Doctoral thesis, Universidade Nova de Lisboa. Instituto de Tecnologia Química e Biológica António Xavier, 2021. http://hdl.handle.net/10362/113613.

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"Grass pea (Lathyrus sativus) is an annual grain legume crop cultivated worldwide. Although considered underused, grass pea is an important source of protein for human and animal consumption in particular marginal areas. Furthermore, it is characterized by a remarkable resistance to abiotic stresses, such as drought, and biotic stress, such as particular pests and diseases. However, yield inconsistency due to sensitivity to specific diseases strongly limits its cultivation. One of these diseases is fusarium wilt, caused by the soil-borne fungi Fusarium oxysporum (Fo). Fusarium oxysporum promo

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Davids, Danielle Andrea. "Physiological and molecular characterization of wheat cultivars to Fusarium oxysporum infection." University of the Western Cape, 2019. http://hdl.handle.net/11394/7708.

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>Magister Scientiae - MSc<br>Biotic stress is one of the main causes for agricultural loss of economically important cereal crops. The increasing prevalence of biotic stress inflicted by fungal species such as Fusarium has significantly reduced yields and quality of cereals, threatening sustainable agriculture and food security worldwide. Interactions between wheat and Fusarium spp. such as Fusarium oxysporum promotes the accumulation of reactive oxygen species (ROS). Overproduction of ROS can become toxic to plants depending on the scavenging ability of antioxidant systems to maintain redox h

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Adusei-Fosu, Kwasi. "Improving the detection and control of Fusarium oxysporum f. sp. elaeidis." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/47391/.

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Fusarium wilt of oil palm, caused by a soil-borne fungal pathogen Fusarium oxysporum f. sp. elaeidis (Foe), is a major problem to oil palm cultivation and palm oil yield in Africa, Asia, and parts of North America. There is currently a shortfall in palm oil to meet local and international demands. Thus, factors constraining maximum yield are critical to address. This research was done to find potential methods of controlling Foe in Ghana and if possible extended to other countries experiencing similar problems. Effective disease control will come from understanding the genetic variability of F

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Kilic, Ozlem III. "Effect of dsRNA-containing and dsRNA-free hypovirulent isolates of Fusarium oxysporum on severity of Fusarium seedling disease of Essex soybean." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36965.

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Sixty-six isolates of <I>F. oxysporum</I> and <I>F. solani</I> were recovered from healthy and necrotic Essex soybean seedlings grown in naturally infested soil. These were tested for pathogenicity at 20 C and -0.01 MPa water potential in artificially infested, autoclaved field soil. Highly pathogenic, moderately pathogenic, and hypovirulent isolates of both species were identified. Fifty-seven <I>F. oxysporum</I> and nine <I>F. solani</I> isolates were tested for the presence of dsRNA. The presence of dsRNA was not associated with hypovirulence in <I>F. oxysporum</I> since some hypovirulent

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Ethur, Luciana Zago. "Dinâmica populacional e ação de trichoderma no controle de fusariose em mudas de tomateiro e pepineiro." Universidade Federal de Santa Maria, 2006. http://repositorio.ufsm.br/handle/1/3189.

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Trichoderma spp. is at the present time, one of the fungi most studied as biocontrol agent, being antagonistic to several pathogens in different crops, besides promoting vegetable growth. The pathogen Fusarium oxysporum causes the fusarial wilt and is difficult to control mainly because of its capacity to remain in the soil for long periods, even without the presence of the host. Studies of the population dynamics of Trichoderma spp., Fusarium spp. and native microorganisms are necessary, mainly to observe the impact of the biocontrol agent addition to the soil. Vegetables as cucumber and toma

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Pinto, José Tomás Madeira. "the role of arbuscular mycorrhiza in the biological control of Fusarium oxysporum in tomato." Master's thesis, Universidade de Évora, 2020. http://hdl.handle.net/10174/29043.

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The functional diversity amongst arbuscular mycorrhizal fungi (AMF) is scientifically recognized, yet not practically exploited as the understanding of the interactions between different crops and their rhizosphere microbiome is still very narrow. Following the strategy developed by the team that guided this dissertation, this work was aimed to test different plants (Lolium rigidum and Ornithopus compressus) as hosts to develop AMF extraradical mycelium (ERM) for an early colonization of tomato plants and to evaluate their role in the bioprotection against Fusarium oxysporum f. sp radicis-lyco

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D'Alessio, Naomi. "Mitochondrial inheritance during a parasexual cycle in fusarium oxysporum forma specialis cubense." FIU Digital Commons, 1997. http://digitalcommons.fiu.edu/etd/2705.

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Fusarium oxysporum is a diverse, asexual fungal species composed of both saprophytic and pathogenic members. The destructive phytopathogens are classified into formae speciales based on the host species and into vegetative compatibility groups (VCGs) based on the ability of two individuals to form heterokaryons. Parasexuality, a nonsexual mode of genetic exchange unique to some fungi has been demonstrated in the laboratory in Fusarium oxysporum f. sp. cubense (FOC). The goals of this dissertation were threefold: to ascertain whether mitochondrial (mt) markers can distinguish race differences i

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Pinto, Zayame Vegette [UNESP]. "Desenvolvimento de substrato supressivo à murcha do crisântemo causada por Fusarium oxysporum." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/105478.

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Made available in DSpace on 2014-06-11T19:35:01Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-12-16Bitstream added on 2014-06-13T19:44:47Z : No. of bitstreams: 1 pinto_zv_dr_botfca.pdf: 894968 bytes, checksum: 522dc825bbc64c7631c86fa63430a259 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A murcha de Fusarium spp. em crisântemo é responsável por sérios prejuízos à cultura no Brasil. Uma alternativa para o seu controle é o uso de substrato supressivo, o qual pode ser obtido pela adição de fontes de matérias orgânicas. Dessa forma, o presente trabalho

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Doan, Hung Kim. "Seed Treatments and Detection of Fusarium oxysporum f. sp. vasinfectum race 4." Thesis, University of California, Davis, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1565656.

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<p> Fusarium wilt of cotton, caused by the soilborne fungus <i>Fusarium oxysporum</i> f. sp. <i>vasinfectum,</i> is a widespread disease occurring in most cotton-growing regions of the world. Fusarium wilt occurs in all domesticated cotton. Currently, six nominal races are recognized: 1, 2, 3, 4, 6, and 8, as well as many un-named genotypes worldwide. Many are widespread in the U.S., but race 4, which is highly virulent, is apparently restricted to California. Race 4 is found in an increasing number of fields in California due in part to seed-borne dissemination. The first aim of this study wa

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King'u, Jackson N. "Ecology, distribution and population structure of Fusarium oxysporum f.sp. cubense in Kenya." Thesis, University of Kent, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263733.

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Domingues, Fernanda. "Controle físico e biológico de Fusarium oxysporum f. sp. zingiberi em gengibre." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/11/11135/tde-23012007-155914/.

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O Amarelo ou Murcha de Fusarium, causado por Fusarium oxysporum f. sp. zingiberi vem assumindo grande importância na cultura do gengibre devido à ausência de métodos eficientes de controle. Com os objetivos de testar a termoterapia associada ao tratamento químico e biológico para a obtenção de rizomas-semente sadios e avaliar a indução de supressividade do solo a Fusarium oxysporum f. sp. zingiberi com a incorporação de casca de camarão, seis ensaios foram conduzidos. Para o tratamento térmico, foram utilizados rizomas infectados, com aproximadamente 5cm de comprimento. As relações tempo-tempe

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Ito, Marcio Akira. "Patogenicidade de Fusarium oxysporum f.sp. phaseoli, adubação nitrogenada e produtividade de feijão." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-27042005-141120/.

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O Brasil se encontra entre os maiores produtores e consumidores mundiais de feijão, o qual representa a principal fonte de proteína vegetal na dieta alimentar de significativa parcela da população. Apesar de apresentar destaque na produção mundial de feijão, a produtividade média brasileira é muito baixa. Na safra das águas de 2002, o Brasil obteve uma produtividade de 926kg.ha-1, valor muito aquém do potencial genético da cultura, que pode chegar a 4.000kg.ha-1. As doenças estão entre os principais fatores que contribuem para a baixa produtividade e o alto risco dessa cultura. As doenças caus

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Pinto, Zayame Vegette 1977. "Desenvolvimento de substrato supressivo à murcha do crisântemo causada por Fusarium oxysporum /." Botucatu : [s.n.], 2008. http://hdl.handle.net/11449/105478.

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Orientador: Wagner Bettiol<br>Banca: Edson Luiz Furtado<br>Banca: Marcelo Augusto Boechat Morandi<br>Banca : Nelson Sdney Massola Júnior<br>Banca: Flávia Rodrigues Alves Patrício<br>Resumo: A murcha de Fusarium spp. em crisântemo é responsável por sérios prejuízos à cultura no Brasil. Uma alternativa para o seu controle é o uso de substrato supressivo, o qual pode ser obtido pela adição de fontes de matérias orgânicas. Dessa forma, o presente trabalho teve por objetivo desenvolver um substrato supressivo à murcha do Fusarium em crisântemo com a introdução de matéria orgânica em substratos come

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Monteiro, Alana Sarmento. "Análise genômica e sequenciamento automático de rDNA em populações de fusarium oxysporum." Universidade Federal de Alagoas, 2004. http://repositorio.ufal.br/handle/riufal/1080.

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Fusarium oxysporum complex causes wilt disease in a wide variety of plants and are grouped into formae speciales based on their host range. Twenty-one isolates of the complex which represented F. oxysporum, f. sp. cubense, f. sp. lycopersici, f. sp. passiflorae, and f. sp. capsici were assessed for genetic diversity using RFLPs of the IGS region, RAPD-PCR, and DNA sequencing of ITS1- ITS2 and 5.8S rRNA gene. RAPD amplification with primer OPR5 generated 42 polymorphic bands and cluster analysis showed that the population is genetically heterogeneous. Comparison of the banding patterns both vis

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Visser, Marinda. "Molecular biological studies of the Fusarium wilt pathogen of banana in South Africa." Thesis, Pretoria [s.n.], 2003. http://upetd.up.ac.za/thesis/available/etd-04042005-144251.

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Frias, Amanda Gretter [UNESP]. "Caracterização de isolados de Fusarium oxysporum f.sp . lactucae obtidos de campos de produção comercial no Estado de São P aulo e avaliação de genótipos de alface." Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/110957.

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Made available in DSpace on 2014-12-02T11:16:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-09-05Bitstream added on 2014-12-02T11:21:37Z : No. of bitstreams: 1 000800061.pdf: 1547565 bytes, checksum: 2df2d2d64d204de432cc47eb081a5653 (MD5)<br>A murcha de fusário, causada pelo fungo de solo Fusarium oxysporum f.sp. lactucae é uma das doenças mais severas que ataca m a cultura da alface em todo o mundo. Em 2011, foram encontrados em uma plantação de alface n os município s de Capão Bonito e Campin as n o estado de São Paulo, sintomas característicos do ataque do patógeno. Plantas sin

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