Academic literature on the topic 'Phytophthora sp'
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Journal articles on the topic "Phytophthora sp"
Man in 't Veld, Willem A., Wil J. Veenbaas-Rijks, Elena Ilieva, Arthur W. A. M. de Cock, Peter J. M. Bonants, and Rob Pieters. "Natural Hybrids of Phytophthora nicotianae and Phytophthora cactorum Demonstrated by Isozyme Analysis and Random Amplified Polymorphic DNA." Phytopathology® 88, no. 9 (September 1998): 922–29. http://dx.doi.org/10.1094/phyto.1998.88.9.922.
Full textDwiastuti, Mutia Erti, Sri Widyaningsih, Rudi Cahyo Wicaksono, Dina Agustina, and Unun Triasih. "IDENTIFICATION OF VESICULAR ARBUSCULAR MYCORRHIZA (VAM) FROM SOIL AND ITS POTENCY IN REDUCING DISEASE DEVELOPMENT (Phytophthora sp.) ON 5 CITRUS ROOTSTOCK." El-Hayah 7, no. 2 (March 27, 2019): 74–83. http://dx.doi.org/10.18860/elha.v7i2.8426.
Full textLa Spada, Federico, Peter J. A. Cock, Eva Randall, Antonella Pane, David E. L. Cooke, and Santa Olga Cacciola. "DNA Metabarcoding and Isolation by Baiting Complement Each Other in Revealing Phytophthora Diversity in Anthropized and Natural Ecosystems." Journal of Fungi 8, no. 4 (March 22, 2022): 330. http://dx.doi.org/10.3390/jof8040330.
Full textKondo, Toru, Kayoko Otsubo, and Koji Kageyama. "Phytophthora rot of alpine delphinium caused by Phytophthora sp. kelmania." Journal of General Plant Pathology 88, no. 2 (January 15, 2022): 145–49. http://dx.doi.org/10.1007/s10327-021-01050-5.
Full textMuzuni, Muzuni, Haidin Haidin, and Nur Arfa Yanti. "Karakterisasi Morfologi Phytophthora sp. Asal Buah Kakao Desa Olo-oloho, Kabupaten Konawe, Sulawesi Tenggara." BioWallacea : Jurnal Penelitian Biologi (Journal of Biological Research) 7, no. 1 (May 5, 2020): 1064. http://dx.doi.org/10.33772/biowallacea.v7i1.11812.
Full textBalci, Y., S. Balci, J. Eggers, W. L. MacDonald, J. Juzwik, R. P. Long, and K. W. Gottschalk. "Phytophthora spp. Associated with Forest Soils in Eastern and North-Central U.S. Oak Ecosystems." Plant Disease 91, no. 6 (June 2007): 705–10. http://dx.doi.org/10.1094/pdis-91-6-0705.
Full textJung, Thomas, Bruno Scanu, Clive Brasier, Joan Webber, Ivan Milenković, Tamara Corcobado, Michal Tomšovský, et al. "A Survey in Natural Forest Ecosystems of Vietnam Reveals High Diversity of both New and Described Phytophthora Taxa including P. ramorum." Forests 11, no. 1 (January 12, 2020): 93. http://dx.doi.org/10.3390/f11010093.
Full textSaude, C., O. P. Hurtado-Gonzales, K. H. Lamour, and M. K. Hausbeck. "Occurrence and Characterization of a Phytophthora sp. Pathogenic to Asparagus (Asparagus officinalis) in Michigan." Phytopathology® 98, no. 10 (October 2008): 1075–83. http://dx.doi.org/10.1094/phyto-98-10-1075.
Full textMartin, Deva Aziz Nanda, and Ali Rahmat. "Relationship of Soil Physicochemical Properties and Existence of Phytophthora sp. in Pineapple Plantations." Indonesian Journal of Science and Technology 2, no. 1 (April 1, 2017): 81. http://dx.doi.org/10.17509/ijost.v2i1.5991.
Full textSchwingle, B. W., and R. A. Blanchette. "Host Range Investigations of New, Undescribed, and Common Phytophthora spp. Isolated from Ornamental Nurseries in Minnesota." Plant Disease 92, no. 4 (April 2008): 642–47. http://dx.doi.org/10.1094/pdis-92-4-0642.
Full textDissertations / Theses on the topic "Phytophthora sp"
Bhat, Ravindra G. "Genetics of virulence in Phytophthora megasperma f. sp. glycinea /." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487687115923584.
Full textCordier, Christelle. "Bases cellulaires et moléculaires du contrôle biologique de Phytophthora sp. , au niveau des racines, par le champignon endomycorhizogène Glomus Mosseae." Dijon, 1997. http://www.theses.fr/1997DIJOS036.
Full textHoward, Keith Miles. "Effect of soil-applied metalaxyl on tolerance in populations of Phytophthora megasperma f. sp. Glycinea /." The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487668215807213.
Full textSoriano, Wagner Teixeira. "Avaliação de métodos alternativos no controle de Phytophthora SP em laranja pêra e limão cravo." Universidade Federal de Alagoas, 2011. http://repositorio.ufal.br/handle/riufal/255.
Full textFundação de Amparo a Pesquisa do Estado de Alagoas
Phytophthora spp são responsáveis por uma das principais doenças da cultura dos citros. As dificuldades de controle e o impacto causado pelo uso de agroquímicos têm levado a procura de métodos alternativos de controle. Assim, este trabalho teve por objetivo avaliar o controle de Phytophthora sp, utilizando produtos naturais, termoterapia, Trichoderma spp e rizobactérias. Foram realizados experimentos visando avaliar o efeito da manipueira, Ecolife®, óleo de nim, óleo de eucalipto, óleo de citronela, óleo de pimenta-de-macaco e fungicida (metalaxyl + mancozeb) em diferentes concentrações, bem como o efeito de rizobactérias e Trichoderma spp, sobre a inibição do crescimento micelial do patógeno em meio batata-dextrose-ágar. Frutos de laranja pêra inoculados com uma suspensão do patógeno (20 esporângios/fruto) foram pulverizados com os óleos e extratos vegetais (5 mL/fruto) ou foram submetidos à termoterapia em banho-maria, sob diferentes temperaturas, para avaliar a capacidade dos tratamentos em diminuir a porcentagem das áreas lesionadas. Sementes de limão cravo foram microbiolizadas, semeadas em tubos de ensaio contendo Ágar-Água e incubados a 28°C sob luz constante, para avaliar a capacidade dos microrganismos em colonizar o sistema radicular. Em outro ensaio, as sementes microbiolizadas foram semeadas em vasos contendo substrato autoclavado e infestado, mantidos em telado por 45 dias. A incidência da doença e a promoção de crescimento foram avaliados ao final do período de incubação. Em todos os ensaios foi utilizado delineamento inteiramente casualizado e as médias comparadas pelo teste de Tukey (5%). Dentre as concentrações de óleos, extratos e do fungicida destacaram-se as concentrações: manipueira 20%, óleo de citronela 1,5%, óleo de eucalipto 1,0%, óleo de pimenta-de-macaco 0,5%, Ecolife® 1,0%, óleo de nim 1,5% e fungicida 2,5 g. L-1 que apresentaram porcentagem de inibição de crescimento micelial do patógeno, variando de 73,8% a 100%. Algumas das rizobactérias testadas e Trichoderma spp foram capazes de inibir o crescimento micelial do patógeno. O tratamento com óleo de pimenta-de-macaco foi o que apresentou as menores áreas lesionadas nos frutos com média de 8,57%. O controle da doença foi obtido tratando-se os frutos de laranja pêra a 52ºC por três minutos e 50ºC, 51ºC, 52ºC e 53ºC por cinco minutos. Os isolados de rizobactérias possuem a capacidade de colonizar as raízes de citros, mas Trichoderma spp não apresentaram esse comportamento. Todos os isolados estudados apresentaram a capacidade de controlar a severidade da doença causada por Phytophthora sp sob condições controladas. Métodos alternativos se mostraram promissores no controle de Phytophthora sp.
Fayad, Karine-Paule. "La ß(1,6)-glucanase de Streptomyces sp. EF-14, un actinomycète antagoniste à Phytophthora spp, production, purification et caractérisation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ35675.pdf.
Full textFayad, Karine-Paule. "La [bêta](1,6)-glucanase de Streptomyces sp. EF-14, un actinomycète antagoniste a Phytophthora spp. production, purification et caractérisation." Mémoire, Université de Sherbrooke, 1997. http://savoirs.usherbrooke.ca/handle/11143/4363.
Full textFayad, Karine-Paule. "La [bêta] (1,6)-glucanase de Streptomyces sp. EF-14, un actinomycète antagoniste a Phytophthora spp. production, purification et caractérisation /." [S.l. : s.n.], 1997.
Find full textRocha, Dediel Júnior Amaral Rocha. "Controle biológico de doenças foliares e murchas do tomateiro pelo uso rizobactérias." Universidade Federal de Pelotas, 2012. http://repositorio.ufpel.edu.br:8080/handle/prefix/3573.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
A busca por alternativas no controle de doenças em substituição ao uso intensivo de agrotóxicos tem sido objeto da pesquisa agrícola. Rizobactérias são conhecidas pelo biocontrole de doenças e promoção de crescimento em diversos cultivos. Os objetivos deste trabalho foram avaliar a eficácia de seis rizobactérias, pré- selecionadas, no controle de Ralstonia solanacearum e Fusarium oxysporum f. sp. lycopersici (FOL), em casa de vegetação e relacionar este comportamento a produção de compostos “in vitro”, bem como avaliar a proteção de plantas de tomate contra doenças da parte aérea que ocorreram naturalmente em condições de campo. Foi avaliada a capacidade destas rizobactérias em produzir quitinases, amilases, lipases, compostos antibióticos e de solubilizar fosfato. A microbiolização das sementes com a rizobactéria DFs1420 (Bacillus sp.) reduziu a severidade da murcha bacteriana em 66% aos 14 dias após a inoculação, no primeiro ensaio e valores de AACPD em 70%, no segundo ensaio. Este controle pode ser associado à produção de compostos responsáveis pela antibiose observada “in vitro”. Streptomyces (DFs1296 e DFs1315) e Bacillus sp. (DFs1414) reduziram significativamente a murcha de fusário. O controle observado pode ser atribuído à atividade quitinolítica e/ou antibiótica por compostos voláteis. Foram instalados três ensaios de campo. A severidade das doenças foliares foi monitorada ao longo do tempo. As rizobactérias foram capazes de proteger as plantas contra Septoria lycopersici. DFs1414 e DFs1421 (Pseudomonas sp.) foram as mais estáveis, proporcionando proteção em dois ensaios consecutivos. As rizobactérias DFs1296 e DFs1420 foram capaz de controlar a requeima (Phytophthora infestans) em dois ensaios. A bactéria DFs1296 também apresentou capacidade de proteção contra estas e outras doenças quando pulverizada semanalmente na parte aérea. De modo geral, o controle alcançado por estas bactérias, microbiolizadas às sementes ou em aplicação foliar, não diferiu dos tratamentos utilizando produtos químicos recomendados para a cultura em aplicações semanais.
The search on alternative control of diseases to replace the use of pesticides has been the subject of agricultural research. Rhizobacteria are known by controlling diseases and promoting growth in several crops. The objectives of this work were to evaluate the efficacy of six rhizobacteria pre-selected for the control of Ralstonia solanacearum and Fusarium oxysporum f. sp. lycopersici (FOL) in greenhouse, and to relate this behavior with the production of compounds "in vitro", as well as evaluate the protection of tomato plants against foliar diseases under field conditions. It was evaluated the ability of these rhizobacteria to produce chitinases, amylases, lipases, antibiotic compounds and to solubilize phosphate. The seed microbiolization with rhizobacterium DFs1420 (Bacillus sp.) reduced the severity of the bacterial wilt 66% at 14 days after inoculation and AUDPC 70%, respectively, the first and second assays. This control may be associated with the production of compounds responsible for the antibiosis observed "in vitro". Streptomyces (DFs1296 and DFs1315) and Bacillus sp. (DFs1414) significantly reduced fusarium wilt. The control observed can be attributed to the chitinolytic activity and/or antibiosis in the presence of volatile compounds. Three field trials were carried out in field. The foliar diseases severity was monitored over time. The rhizobacteria were capable of protecting plants against Septoria lycopersici. DFs1414 and DFs1421 (Pseudomonas sp.) were the most stable, providing protection in two consecutive trials. The rhizobacteria DFs1296 and DFs1420 were able to control late blight (Phytophthora infestans) in two trials. DFs1296 also had the ability to protect against these and other diseases when sprayed weekly in the plant canopy.In general, the control achieved by these rhizobacteria, by seed microbiolization or by foliar application, did not differ from treatments using recommended chemical in weekly applications.
Attitalla, Idress H. "Biological and Molecular Characteristics of Microorganism-Stimulated Defence Response in Lycopersicon esculentum –L." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4012.
Full textMarques, Rita M. "Transformation of grey poplar to introduce resistance to Phytophthora sp." Master's thesis, 2020. http://hdl.handle.net/10362/112707.
Full textBook chapters on the topic "Phytophthora sp"
Shohet, S., and R. N. Strange. "Properties of a High Molecular Weight Toxin Produced by Phytophthora Drechsleri F. SP. Cajani in Culture." In Phytotoxins and Plant Pathogenesis, 393–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73178-5_37.
Full textPernollet, J. C., C. Nespoulous, and J. C. Huet. "Relationships between the Structure, the Movement and the Toxicity of α and β Elicitins Secreted by Phytophthora sp." In Developments in Plant Pathology, 136–39. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1737-1_35.
Full textMorone, C., C. Regnani, and A. Matta. "Necrogenous Phytophthora Capsici Cell Wall Components in Relation to Induced Resistance to Fusarium Oxysporum F. SP. Lycopersici in Tomato Plants." In Phytotoxins and Plant Pathogenesis, 483–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73178-5_65.
Full textAhmad, Khairulmazmi, and Tijjani Ahmadu. "Prospect and Potential of Burkholderia sp. Against Phytophthora capsici Leonian: A Causative Agent for Foot Rot Disease of Black Pepper." In Agriculturally Important Microbes for Sustainable Agriculture, 343–74. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5343-6_12.
Full textHarahap, Diannita. "Plant Diseases of Areca Nut." In Nut Crops - New Insights [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107504.
Full textShanmugavelu, Mathipriya, and Ganesan Sevugaperumal. "Screening and Potential Uses of Contaminated Spent Mushroom (Pleurotus spp.)." In Emerging Contaminants. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.93863.
Full textSoytong, Kasem, Somdej Kahonokmedhakul, Jiaojiao Song, and Rujira Tongon. "Chaetomium Application in Agriculture." In Technology in Agriculture [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99402.
Full textNASCIMENTO JUNIOR, Nelson Augusto do, Edna Peixoto da Rocha AMORIM, Izael Oliveira SILVA, Lígia Sampaio REIS, Maria Quitéria Cardoso dos SANTOS, Juliana Paiva CARNAÚBA, and Georgia Souza PEIXINHO. "EFEITO DA INCORPORAÇÃO DA CASCA DE MANDIOCA E DA IRRIGAÇÃO NO BIOCONTROLE DA PODRIDÃO DA RAIZ CAUSADA POR PHYTOPHTHORA SP EM MANIHOT ESCULENTA CRANTZ." In Biodiversidade, Meio Ambiente e Desenvolvimento Sustentável. Editora Conhecimento Livre, 2020. http://dx.doi.org/10.37423/200702097.
Full textConference papers on the topic "Phytophthora sp"
Anugrah, Fauzi Akhbar, Rahmi Masita, Hanumi Oktyani Rusdi, and Satrio Anggoro Putra. "Culturable endophytic bacteria obtained from Cinchona Ledgeriana Moens. in West Java and its antagonistic effect against Phytophthora sp." In PROCEEDINGS OF THE 3RD INTERNATIONAL SEMINAR ON METALLURGY AND MATERIALS (ISMM2019): Exploring New Innovation in Metallurgy and Materials. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0002492.
Full textReports on the topic "Phytophthora sp"
Michel Jr., Frederick C., Harry A. J. Hoitink, Yitzhak Hadar, and Dror Minz. Microbial Communities Active in Soil-Induced Systemic Plant Disease Resistance. United States Department of Agriculture, January 2005. http://dx.doi.org/10.32747/2005.7586476.bard.
Full textWatad, Abed A., Paul Michael Hasegawa, Ray A. Bressan, Alexander Vainstein, and Yigal Elad. Osmotin and Osmotin-Like Proteins as a Novel Source for Phytopathogenic Fungal Resistance in Transgenic Carnation and Tomato Plants. United States Department of Agriculture, January 2000. http://dx.doi.org/10.32747/2000.7573992.bard.
Full text