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Registros recuperados: 10
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Baseline sensitivity of Brazilian Mycosphaerella fijiensis isolates to protectant and systemic fungicides. Repositório Alice
GOMES, L. I. S.; BIBIANO, L. B. J.; SILVA, G. F. da; HANADA, R. E.; MIZUBUTI, E. S. G..
Black Sigatoka caused by Mycosphaerella fijiensis is a foliar disease that affects banana plants and large amounts of fungicides are required to prevent crop losses. Intensive applications of single-site fungicides can select for fungicide-resistant isolates. The objective of this study was to assess the sensitivity of 60 isolates of M. fijiensis to commonly used fungicides.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Black leaf streak disease; Fungicide resistance; Sigatoka-negra; Protectant fungicides; Strobilurin; Tebuconazole; Thiophanate-methyl; Mycosphaerella fijiensis.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1007698
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Effect of resistance on the performance of DMI fungicides against Rhynchosporium secalis International Rice Research Institute
De la Pena, Robert.
43 l. : ill. Thesis (M.S.) -- University of Bristol
Tipo: Thesis Palavras-chave: Rhynchosporium secalis; Chemical control; Fungicides; Fungicide resistance.
Ano: 1990 URL: http://hdl.handle.net/123456789/1057
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Mating type, mefenoxam sensitivity, and pathotype diversity in Phytophthora infestans isolates from tomato in Brazil. Repositório Alice
MIRANDA, B. E. C. de; SUASSUNA, N. D.; REIS, A..
Abstract - The objective of this work was to characterize 79 Phytophthora infestans isolates collected in tomato (Solanum lycopersicum) fields, as to mating type, mefenoxam sensitivity, and pathotype composition. The isolates were sampled in 2006 and 2007 in seven Brazilian states as well as in the Distrito Federal. They were characterised as to mating type (n=79), sensitivity to fungicide mefenoxam (n=79), and virulence to three major resistance genes Ph-1, Ph-2, and Ph-3/Ph-4 (n=62). All isolates were of the mating type A1. Resistant isolates were detected in all sampled states, and its average frequency was superior to 50%. No difference was detected in pathotype diversity, neither between subpopulations collected in 2006 and 2007 nor between isolates...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Late blight; Pathogen variability; Lycopersicon esculentum; Solanum lycopersicum; Disease management; Fungicide resistance.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/864123
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Resistance of Botrytis cinerea from strawberry (Fragaria x ananassa Duch.) to fungicides in Michoacan Mexico Agrociencia
Álvarez-Medina,Adán; Silva-Rojas,Hilda V.; Leyva-Mir,Santos G.; Marbán-Mendoza,Nahum; Rebollar-Alviter,Ángel.
Abstract Gray mold caused by Botrytis cinerea Pers. is one of the most important diseases of strawberry (Fragaria x ananassa Duch.), and fungicide resistance is a concern. The objective of this research was to evaluate the sensitivity of B. cinerea isolates to the fungicides iprodione and thiophanate-methyl in two strawberry-producing areas in Mexico. Sixty-two B. cinerea isolates collected from strawberry fruits from Maravatio Valley (MV) and Zamora-Jacona Valley (ZJ) in Michoacan, Mexico, were used to determine the sensitivity distribution based on mycelium growth (MG) and conidial germination (CG). Each monosporic isolate was grown in 4 plates containing media amended with 0, 0.1, 0.5, 1, 10, 50 and 100 µg mL-1 of iprodione and 0, 0.1, 10, 100, 1000 and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fungicide resistance; Benzimidazole; Dicarboximides.
Ano: 2017 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952017000700783
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Resistência a benzimidazóis por Guignardia citricarpa. Repositório Alice
RODRIGUES, M.B.C.; ANDREOTE, F.D.; SPÓSITO, M.B.; AGUILLAR-VILDOSO, C.I.; ARAÚJO, W.L.; PIZZIRANI-KLEINER, A.A..
O objetivo deste trabalho foi avaliar a resistência de Guignardia citricarpa aos fungicidas carbendazim e piraclostrobina, por meio de avaliação do crescimento em meio de cultura, decomposição de tecido foliar e produção de corpos de frutificação. Para isso, o fungo G. citricarpa foi isolado de lesões de frutos de laranja (Citrus sinensis), produzidos em área com intensa aplicação de fungicida. Os isolados obtidos foram avaliados quanto à sensibilidade aos fungicidas piraclostrobina e carbendazim, nas dosagens de 0,5, 1 e 2 g mL-1 de i.a., para se verificar o efeito da pressão de seleção causada pelo uso destes compostos em áreas citrícolas. Embora tenha sido observada redução efetiva no número de estruturas reprodutivas e na decomposição de folhas e...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Mancha-preta dos citros; Pinta-preta; Tolerância a fungicidas; Citricultura; Citrus black-spot; Fungicide resistance; Citriculture.
Ano: 2007 URL: http://www.alice.cnptia.embrapa.br/handle/doc/123576
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Resistência de fungos a fungicidas. Repositório Alice
GHINI, R.; KIMATI, H..
O uso contínuo de fungicidas na agricultura pode resultar na seleção de fungos fitopatogênicos resistentes, que não são controlados pelo produto. Tal problema pode gerar graves conseqüências, como aumento de custos, resíduos em alimentos e contaminações: ambientais. Os diversos segmentos da sociedade envolvidos no controle químico de doenças de plantas devem estar conscientes do problema da resistência, suas causas e soluções. Este livro aborda temas básicos como os conceitos envolvidos, os grupos de fungicidas e seus mecanismos de ação, os mecanismos e a genética da resistência, além de fatores de risco e estratégias anti-resistência. A obra foi elaborada de forma a ser utilizada por profissionais envolvidos no controle químico de doenças de plantas, como...
Tipo: Livro científico (ALICE) Palavras-chave: Adaptabilidade; Resistencia cruzada; Grupos fungicidas; Patogeno; Hospedeiro; Patogenicidade; Grupo quimico; Risco; Fungo; Fungicida; Resistência a pesticida; Doença de planta; Fungicide resistance; Cross resistance.
Ano: 2000 URL: http://www.alice.cnptia.embrapa.br/handle/doc/13231
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RESISTÊNCIA nas lavouras de soja: já parou para pensar no tamanho desse problema? Infoteca-e
Informação é a chave para a tomada de decisão! Plantas daninhas resistentes a herbicidas. Ferrugem da soja resistentes a fungicidas. Resistência de pragas a inseticidas.
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Soja; Doença de planta; Praga de planta; Erva daninha; Resistência a produtos químicos; Soybeans; Pesticide resistance; Plant pests; Plant diseases and disorders; Fungicide resistance; Herbicide resistance; Insecticide resistance.
Ano: 2012 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/915961
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การต้านทานสารเคมี propiconazole ของเชื้อรา Bipolaris oryzae สาเหตุโรคใบจุดสีน้ำตาลในพื้นที่เขตภาคกลาง Thai Agricultural
Sith Jaisong; Rasamee Dhitikiattipong; Witchuda Rattanakarn; Wanporn Khemmuk; Kanuengnij Srivilai.
Tipo: PhysicalObject Palavras-chave: Bipolaris oryzae; Fungicide resistance; Rice brown spot; Propiconazole; Rice; Bipolaris oryzae; การต้านทานสารเคมี; โรคใบจุดสีน้ำตาล; Propiconazole.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5436
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ความไวต่อสารป้องกันกำจัดเชื้อรา propiconazole ของ Bipolaris oryzae สาเหตุโรคใบจุดสีน้ำตาลของข้าว ในพื้นที่นาภาคกลาง Thai Agricultural
Sith Jaisong; Rasamee Dhitikiattipong; Witchuda Rattanakarn; Wanporn Khemmuk; Kanuengnij Srivilai.
Fungicides are important tool for managing diseases in many crops. For example, managing brown spot of rice relies on the application of fungicides. The heavy use of fungicides has triggered to the development of isolates of Bipolaris oryzae (Helminthosporium oryzae) resistant to fungicides. This survey, the farmers were randomly interviewed about fungicide application, showed that most of farmers (76%) used triazole fungicide. 18, 16, 8 and 8 % used dithiocarbamat, triazolobenzo strobirulin and benzimidazole respectively. In vitro fungicide sensitivity assays using poison media technique expressed propiconazole and haxaconazole at concentration 10 ppm inhibit completely mycelium growth. This study was undertaked for evaluating the prevalence of fungicide...
Tipo: PhysicalObject Palavras-chave: Bipolaris oryzae; Fungicide resistance; Rice brown spot disease; Propiconazole; Rice disease; ข้าว; โรคใบจุดสีน้ำตาลของข้าว; โพรพิโคนาโซล; โรคข้าว; ความต้านทานสารป้องกันกำจัดเชื้อรา.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5525
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ความไวต่อสารเคมี Propiconazole ของเชื้อรา Bipolaris oryzae สาเหตุโรคใบจุดสีน้ำตาลในพื้นที่นาภาคกลาง Thai Agricultural
Sith Jaisong; Rasamee Dthikiattipong; Witchuda Rattanakarn; Wanporn Kemmuk; Kanungnid Sriwilai.
Fungicides are important tool for managing diseases in many crops. For example, managing Brown spot of rice relies on the application of fungicides. The heavy use of fungicides has triggered to the development of isolates of Bipolaris oryzae (Helminthosporium oryzae) resistant to fungicides. This survey, the farmers randomly were interviewed about fungicide application, showed that most of farmers (76%) used triazole fungicide. 18, 16, 8 and 8 % used dithiocarbamat, triazolobenzo strobirulin and benzimidazole repectively. In vitro fungicide sensitivity assays using poison media technique expressed propiconazole and haxaconazole at concentration 10 ppm inhibit completely mycelium growth. This study was undertaked for evaluating the prevalence of fungicide...
Tipo: PhysicalObject Palavras-chave: Bipolaris oryzae; Helminthosporium oryzae; Fungicide resistance; Brown spot; Propiconazole; Triazole; Rice; เชื้อรา; ความต้านทานสารเคมีกำจัดเชื้อรา; โรคใบจุดสีน้ำตาล; โพรพิโคนาโซล; ประสิทธิภาพการควบคุมโรค.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5710
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