Academic literature on the topic 'Curves of progress of the disease'
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Journal articles on the topic "Curves of progress of the disease"
GILLIGAN, C. A. "Comparison of disease progress curves." New Phytologist 115, no. 2 (June 1990): 223–42. http://dx.doi.org/10.1111/j.1469-8137.1990.tb00448.x.
Full textMcRae, K. B. "An Index for Cultivar Resistance Based on Disease Progress Curves." Phytopathology 77, no. 8 (1987): 1181. http://dx.doi.org/10.1094/phyto-77-1181.
Full textSWEETMORE, A., S. A. SIMONS, and M. KENWARD. "Comparison of disease progress curves for yam anthracnose (Colletotrichum gloeosporioides)." Plant Pathology 43, no. 1 (February 1994): 206–15. http://dx.doi.org/10.1111/j.1365-3059.1994.tb00572.x.
Full textKnudsen, G. R., C. S. Johnson, and H. W. Spurr. "Use Of a Simulation Model to Explore Fungicide Strategies for Control of Cercospora Leafspot of Peanut1." Peanut Science 15, no. 1 (January 1, 1988): 39–43. http://dx.doi.org/10.3146/i0095-3679-15-1-11.
Full textHau, B. "Mathematical Functions to Describe Disease Progress Curves of Double Sigmoid Pattern." Phytopathology 83, no. 7 (1993): 928. http://dx.doi.org/10.1094/phyto-83-928.
Full textGodoy, Cláudia V., Lílian Amorim, Armando Bergamin Filho, Herbert P. Silva, Willian J. Silva, and Richard D. Berger. "Temporal progress of southern rust in maize under different environmental conditions." Fitopatologia Brasileira 28, no. 3 (June 2003): 273–78. http://dx.doi.org/10.1590/s0100-41582003000300008.
Full textPscheidt, Jay W., and Stephanie Heckert. "Progression of Kernel Mold on Hazelnut." Plant Disease 105, no. 5 (May 1, 2021): 1320–27. http://dx.doi.org/10.1094/pdis-05-20-1088-re.
Full textPereira, Renata C. M., Maria A. Ferreira, Thaissa P. F. Soares, Mario F. C. M. Andrade, Cézar A. L. Filho, Edson A. Pozza, Maria L. M. Avelar, and Lucas A. Melo. "Temporal Progress of Candeia Rust Caused by Puccinia velata in Clonal Candeia Plantation (Eremanthus erythropappus (DC.) McLeisch)." Forests 11, no. 7 (June 29, 2020): 720. http://dx.doi.org/10.3390/f11070720.
Full textPark, E. W. "Empirical Estimation of the Asymptotes of Disease Progress Curves and the Use of the Richards Generalized Rate Parameters for Describing Disease Progress." Phytopathology 75, no. 7 (1985): 786. http://dx.doi.org/10.1094/phyto-75-786.
Full textNavas-Cortés, Juan A., Bernhard Hau, and Rafael M. Jiménez-Díaz. "Effect of Sowing Date, Host Cultivar, and Race of Fusarium oxysporum f. sp. ciceris on Development of Fusarium Wilt of Chickpea." Phytopathology® 88, no. 12 (December 1998): 1338–46. http://dx.doi.org/10.1094/phyto.1998.88.12.1338.
Full textDissertations / Theses on the topic "Curves of progress of the disease"
Lima, Lonjoré Leocádio de [UNESP]. "Reação de cultivares de algodoeiro a Ramularia areola Atk." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/96913.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Dentre as doenças causadoras de manchas foliares em algodoeiro, a mancha de ramulária tem se tornado importante em virtude das condições climáticas favoráveis para o desenvolvimento do patógeno, aliadas ao uso de cultivares suscetíveis, plantio consecutivo e extenso. Neste trabalho avaliaram-se as cultivares BRS Antares, BRS Araçá, BRS Aroeira, BRS Buriti, BRS Cedro, BRS Facual, BRS Ipê, BRS Sucupira, BRS 11612, Campo Verde 02, Campo Verde 05, Coodetec 409, Delta Opal, Deltapine Acala 90, Fiber Max 966, FMT 501, FMT 701, CNPA Ita 90, BRS Ita 96 e SL 502, quanto a resistência a Ramularia areola, em condições de campo na FCAV-UNESP no ano de 2006/2007. A severidade da doença, que ocorreu por infecção natural das plantas pelo fungo, foi avaliada semanalmente em trinta plantas previamente marcadas, utilizando uma escala descritiva de notas: 1 = 0%, 2 = Até 5%, 3 = de 5,1 a 25%, 4 = de 25,1 a 50% e 5 = Acima de 50% de área foliar com sintomas. O modelo de Gompertz foi o que melhor se ajustou aos dados de severidade de mancha de Ramulária em algodoeiro nas condições climáticas de Jaboticabal – SP no ano 2007. As cultivares Campo Verde 05, BRS 11612 e Deltapine Acala 90 foram as mais resistentes à doença. As cultivares BRS Ita 96, Campo Verde 02, BRS Facual, CNPA Ita 90 e BRS Buriti que apresentaram uma suscetibilidade intermediária à doença. As cultivares BRS Antares, BRS Aroeira, Delta Opal, SL 502, BRS Araçá, Coodetec 409, BRS Ipê, FMT 701, BRS Sucupira, BRS Cedro, Fiber Max 966 e FMT 501, mostraram – se mais suscetíveis.
Among the disease causing leaves spots in cotton plant, the gray mildew (Ramularia areola Atk.) has become important an disease in virtue of the environmental conditions favorable for development of the pathogens allread to the use of susceptible cultivars, consecutive and extensive plantation In this work the following cultivars were evaluated for the resistence to R. areola: BRS Antares, BRS Araçá, BRS Aroeira, BRS Buriti, BRS Cedro, BRS Facual, BRS Ipê, BRS Sucupira, BRS 11612, Campo Verde 02, Campo Verde 05, Coodetec 409, Delta Opal, Deltapine Acala 90, Fiber Max 966, FMT 501, FMT 701, CNPA Ita 90, BRS Ita 96 e SL 502. The experiment was carried out at the UNESP/FCAV experimental area in field conditions during 2006/2007. The disease severity occurred for natural infection and, the evolutions were made weekly in thirty marked plants using the scale: 1 = 0%, 2 = up to 5%, 3 = 5,1 to 25%, 4 = 25,1 to 50% and 5 = over of 50% of foliar area with symptoms. The Gompertz model was the better for the adjustment of the data of disease severity related to environmental conditions of Jaboticabal for 2006/2007. The cultivars Campo Verde 05, BRS 11612 and Deltapine Acala 90 were the most resistant to the disease. The cultivars BRS Ita 96, Campo Verde 02, BRS Facual, CNPA Ita 90 and BRS Buriti were moderately susceptible, while BRS Antares, BRS Aroeira, Delta Opal, SL 502, BRS Araçá, Coodetec 409, BRS Ipê, FMT 701, BRS Sucupira, BRS Cedro, Fiber Max 966 and FMT 501 were the most susceptible.
Lima, Lonjoré Leocádio de. "Reação de cultivares de algodoeiro a Ramularia areola Atk /." Jaboticabal : [s.n.], 2007. http://hdl.handle.net/11449/96913.
Full textBanca: Margarete Camargo
Banca: Érika Auxiliadora Giacheto Scaloppi
Resumo: Dentre as doenças causadoras de manchas foliares em algodoeiro, a mancha de ramulária tem se tornado importante em virtude das condições climáticas favoráveis para o desenvolvimento do patógeno, aliadas ao uso de cultivares suscetíveis, plantio consecutivo e extenso. Neste trabalho avaliaram-se as cultivares BRS Antares, BRS Araçá, BRS Aroeira, BRS Buriti, BRS Cedro, BRS Facual, BRS Ipê, BRS Sucupira, BRS 11612, Campo Verde 02, Campo Verde 05, Coodetec 409, Delta Opal, Deltapine Acala 90, Fiber Max 966, FMT 501, FMT 701, CNPA Ita 90, BRS Ita 96 e SL 502, quanto a resistência a Ramularia areola, em condições de campo na FCAV-UNESP no ano de 2006/2007. A severidade da doença, que ocorreu por infecção natural das plantas pelo fungo, foi avaliada semanalmente em trinta plantas previamente marcadas, utilizando uma escala descritiva de notas: 1 = 0%, 2 = Até 5%, 3 = de 5,1 a 25%, 4 = de 25,1 a 50% e 5 = Acima de 50% de área foliar com sintomas. O modelo de Gompertz foi o que melhor se ajustou aos dados de severidade de mancha de Ramulária em algodoeiro nas condições climáticas de Jaboticabal - SP no ano 2007. As cultivares Campo Verde 05, BRS 11612 e Deltapine Acala 90 foram as mais resistentes à doença. As cultivares BRS Ita 96, Campo Verde 02, BRS Facual, CNPA Ita 90 e BRS Buriti que apresentaram uma suscetibilidade intermediária à doença. As cultivares BRS Antares, BRS Aroeira, Delta Opal, SL 502, BRS Araçá, Coodetec 409, BRS Ipê, FMT 701, BRS Sucupira, BRS Cedro, Fiber Max 966 e FMT 501, mostraram - se mais suscetíveis.
Abstract: Among the disease causing leaves spots in cotton plant, the gray mildew (Ramularia areola Atk.) has become important an disease in virtue of the environmental conditions favorable for development of the pathogens allread to the use of susceptible cultivars, consecutive and extensive plantation In this work the following cultivars were evaluated for the resistence to R. areola: BRS Antares, BRS Araçá, BRS Aroeira, BRS Buriti, BRS Cedro, BRS Facual, BRS Ipê, BRS Sucupira, BRS 11612, Campo Verde 02, Campo Verde 05, Coodetec 409, Delta Opal, Deltapine Acala 90, Fiber Max 966, FMT 501, FMT 701, CNPA Ita 90, BRS Ita 96 e SL 502. The experiment was carried out at the UNESP/FCAV experimental area in field conditions during 2006/2007. The disease severity occurred for natural infection and, the evolutions were made weekly in thirty marked plants using the scale: 1 = 0%, 2 = up to 5%, 3 = 5,1 to 25%, 4 = 25,1 to 50% and 5 = over of 50% of foliar area with symptoms. The Gompertz model was the better for the adjustment of the data of disease severity related to environmental conditions of Jaboticabal for 2006/2007. The cultivars Campo Verde 05, BRS 11612 and Deltapine Acala 90 were the most resistant to the disease. The cultivars BRS Ita 96, Campo Verde 02, BRS Facual, CNPA Ita 90 and BRS Buriti were moderately susceptible, while BRS Antares, BRS Aroeira, Delta Opal, SL 502, BRS Araçá, Coodetec 409, BRS Ipê, FMT 701, BRS Sucupira, BRS Cedro, Fiber Max 966 and FMT 501 were the most susceptible.
Mestre
Sposito, Marcel Bellato. "Dinâmica temporal e espacial da mancha preta (Guignardia citricarpa) e quantificação dos danos causados à cultura dos citros." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11135/tde-19042004-133413/.
Full textThe fungus Guignardia citricarpa is the causal agent of citrus black spot (CBS), which is a disease that become the fruits unsightly and unsuitable for the fresh fruit market. Besides, premature fruit drop may occur, reducing the productivity. A diagrammatic scale for the two symptoms of CBS (hard spot and false melanose) was developed to evaluate the severity and help in epidemiological studies of this disease. The susceptibility level of Hamlin, Pera and Valência sweet orange to CBS was evaluated in commercial orchard, under natural infection. The monomolecular model was fitted to the incidence and severity progress curves of the disease for the three sweet oranges. According to the progress curves, there was not significant difference among cultivars, showing that Hamlin, Pera and Valência sweet orange have similar susceptibility level to CBS. G. citricarpa in the epidemic phase produce ascospores and conidia. The ascospores, produced in leaves on soil, are disseminated by wind, while conidia, produced in plant twigs and fruits, are disseminated by water. The pattern of spatial distribution of CBS plants was evaluated by dispersion index and Ripley K function. The groups of symptomatic plants were distributed independently of disease incidence, suggesting that short distance dispersion of the inocullum could be the most important factor in distribution of the disease. The binary form of Taylor´s power law and dispersion index were used to evaluate the distribution of symptomatic fruits in the plant. According to dispersion index 84% o f the evaluated plants showed aggregation of symptomatic fruits, while by the Taylor´s power law the symptomatic fruits aggregation occurred independently of the incidence of plant disease, suggesting that the increase of disease in field conditions is related to conidia production. The effect of ascospore suppression on intensity of CBS was evaluated by removing citrus leaves from the orchard soil surface, while the conidia suppression was evaluated by early harvesting of late maturation fruits. These treatments, carried out during two years in a high inocullum incidence area, reduced the disease severity in the second year, but the satisfactory control was not observed. However, these treatments could be important in CBS control whether used in association with chemical control. Damages caused by yield reduction and losses of financial return were evaluated in two experiments. In relation to non-treated orchards, those treated orchards where the production/ha increased more than hundred boxes (40.8 kg each box) were considered profitable. The destination of the orange production (juice of fresh fruit market) are important for determine the size of samples to assess the CBS incidence. Since the G. citricarpa fungus is considered a quarentine organism that causes qualitative losses, in areas used for production of fresh fruit market whole orchard has to be evaluated. However, in areas used for production of fruits to concentrated orange juice, 285 plants sampled are enough to determinate the CBS incidence superior to 15%, in average orchards containing 2200 plants.
Moreira, Renato Cesar. "ReaÃÃo de clones de cajueiro comum à resinose." Universidade Federal do CearÃ, 2011. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7925.
Full textO cajueiro (Anacardium occidentale) no nordeste brasileiro caracterizando-se como uma das mais importantes fontes de emprego e renda das populaÃÃes. O lanÃamento de clones de cajueiro tipo anÃo-precoce aumentou a produtividade e qualidade das castanhas e pendÃculos, permitindo uma exploraÃÃo comercial mais vantajosa aos produtores, porem a uniformidade genÃtica deixou os pomares mais vulnerÃveis. A resinose hoje à considerada a principal doenÃa do cajueiro no semiÃrido nordestino. Esse estudo teve por objetivo avaliar a reaÃÃo de genÃtipos de cajueiro do tipo comum à resinose sob condiÃÃes de elevada incidÃncia no semiÃrido. Vinte clones de cajueiro-comum previamente selecionados pelo programa de melhoramento genÃtico da Embrapa AgroindÃstria Tropical foram usados no estudo e dessa forma foi possÃvel concluir que hà fontes de resistÃncia para uso em programas de melhoramento. Os clones CNPAT 06, CNPAT 08, CNPAT 11, CNPAT 12 e CNPAT 13 se apresentara como os mais resistentes a resinose, enquanto que os clones CNPAT 07, CNPAT 09, CNPAT 14, COMUM 05 e COMUM 31 forma os que obtiveram maiores notas de severidade de resinose. Outro importante resultado obtido foi que os clones CNPAT 08, CNPAT 11 e CNPAT 15 apresentaram capacidade de recuperaÃÃo da resinose. Por fim, sugere-se que com a avaliaÃÃo da incidÃncia à possÃvel estimar a severidade de resinose em pomares de cajueiro.
The cashew nut (Anacardium occidentale) represents a social and economic tradition in Brazilian northeastern as one of the most important source of income and labor for its people. The releasing of early-dwarf clones contributed to increase yield and nut and apple quality, allowing gain in profit by small growers, in spite of increase genetic vulnerability of orchards. Cashew gummosis is presently the most important disease of this species in semi-arid regions of northeast. This study aimed to evaluate reactions of common selected clones of cashew to gummosis under high disease pressure of semi-arid region. Twenty clones selected by the cashew breeding program of Embrapa AgroindÃstria Tropical were evaluated for three consecutive years. Clones named CNPAT 06, CNPAT 08, CNPAT 11, CNPAT 12 and CNPAT 13 attained the highest levels of resistance, while CNPAT 07, CNPAT 09, CNPAT 14, COMUM 05 and COMUM 31 otherwise were the most susceptible ones. It was also found that clones CNPAT 08, CNPAT 11 and CNPAT 15 are able to heal gummosis cankers, which points to a new kind of resistance to be considered. Finally, it was shown that monitoring gummosis incidence it is possible to estimate disease severity.
Araujo, Maria Nilsa Martins de. "Análise de sobrevivência do tomateiro a Phytophthora infestans." Universidade Federal de Viçosa, 2008. http://locus.ufv.br/handle/123456789/4014.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior
Reburning caused by Phytophthora infestansis is characterized as an aggressive disease of great destructive impact, capable of limiting or even hindering the economic cultivation of the tomato plant under conditions of high humidity and low temperatures. In view of the problems reburning can cause to tomato plant crops, this work aimed to: 1) fit models to describe the progress of the disease and form groups of tomato accesses with similar curves; 2) estimate data referring to the number of days to reach 5% severity of the disease, by means of inverse regression; 3) fit survival curves by means of the Kaplan-Meier estimator for the access groups and compare them by means of the Logrank test;4)fit survival curves by means of probabilistic models and compare these curves with Kaplan Meir´s non-parametric technique. Using tomato reburning real data, it was possible to fit the exponential model (Y = y0 exp (rX)) to describe the disease s progress. The means of the parameter estimates were submitted to grouping analysis using the centroid method, generating 10 access groups. Time up to 5% of the disease was calculated via inverse regression. Non-parametric techniques were used to estimate survival function by means of the Kaplan-Meier´s estimator to compare the survival curves by the Logrank test .The survival function was also fit using the probabilistic models, exponential Weibull and Log-normal, respectively, which were compared by means of the verisimilitude ratio test (VRT), considering the generalized Gamma model, as a general case for these models. The methodology applied allowed fitting the exponential model to describe tomato plant reburning progress and to regroup the accesses studied in the 10 groups. The access BGH-6 obtained a smaller disease progress than the others, thus characterizing its higher resistance to the disease; An inverse regression allowed time estimation up to the occurrence of 5% of the severity of the tomato plant reburning. The Kaplan-Meier ´s non-parametric technique allowed estimating the survival curves of the tomato plant accesses belonging to the groups 1, 2, 4, 6 and 8. Utilizing the Logrank test, it could be concluded that most two-by-two comparisons were significant (p<0.05), except in the comparisons of groups 2x4, 4x8 and 6x8. The use of the probabilistic models, exponential Weibull and Log-normal allowed estimating the survival curves of groups 2, 4, 6 and 8, except for group 4, to which the Weibull model was not adequate. Comparing the probabilistic models with the non-parametric technique, the curves of the probabilistic models of groups 2 and 4 presented satisfactory results, compared to the curve estimated by Kaplan-Meier.
A requeima causada por Phytophthora infestans caracteriza-se por ser uma doença agressiva e de grande impacto destrutivo, podendo limitar ou até mesmo impedir o cultivo econômico do tomateiro sob condições de alta umidade e baixas temperaturas. Diante dos problemas que a requeima pode provocar às lavouras de tomate, este trabalho teve por objetivos: 1) ajustar modelos para descrever o progresso da doença e formar grupos de acessos de tomateiro com curvas semelhantes; 2) estimar dados referentes ao número de dias até atingir 5% de severidade da doença, por meio de regressão inversa; 3) ajustar curvas de sobrevivência por meio do estimador de Kaplan-Meier para grupos de acessos e compará-las mediante o uso do teste Logrank; 4) ajustar curvas de sobrevivência por meio de modelos probabilísticos e compará-las com a técnica não-paramétrica de Kaplan-Meier. Utilizando dados reais sobre a requeima do tomateiro, foi possível ajustar o modelo exponencial (Y = y0 exp (rX)) para descrever o progresso da doença. As médias das estimativas dos parâmetros foram submetidas à análise de agrupamento pelo método Centróide, o que gerou 10 grupos de acessos, sendo o tempo até a incidência de 5% da doença calculado via regressão inversa. Foram utilizadas técnicas não-paramétricas para estimar a função de sobrevivência por meio do estimador de Kaplan-Meier e para comparar as curvas de sobrevivência pelo teste Logrank. Foi também ajustada a função de sobrevivência, empregando-se os modelos probabilísticos Exponencial, Weibull e Log-normal, os quais foram comparados por meio do Teste da Razão da Verossimilhança (TRV), considerando-se o modelo Gama generalizado por ser caso geral para esses modelos. A metodologia utilizada permitiu ajustar o modelo Exponencial para descrever o progresso da requeima do tomateiro e agrupar os acessos estudados em 10 grupos. O acesso BGH-6 sofreu um progresso de doença menor que os demais, caracterizando-se, assim, sua maior resistência à enfermidade. A regressão inversa possibilitou estimar o tempo até a ocorrência de 5% da severidade da requeima do tomateiro. Pela técnica não-paramétrica de Kaplan-Meier, foi possível estimar as curvas de sobrevivência dos acessos de tomateiro pertencentes aos grupos 1, 2, 4, 6 e 8. Utilizando o teste Logrank, pode-se concluir que a maioria das comparações duas a duas foi significativa (p<0,05), exceto nas comparações dos grupos 2x4, 4x8 e 6x8. O uso dos modelos probabilísticos Exponencial, Weibull e Log-normal possibilitou a estimação das curvas de sobrevivência nos grupos 2, 4, 6 e 8, exceto no grupo 4, em que o modelo Weibull não foi adequado. Comparando os modelos probabilísticos com a técnica não-paramétrica, as curvas dos modelos probabilísticos dos grupos 2 e 4 apresentaram ajustes satisfatórios com relação à curva estimada por Kaplan-Meier.
AGUIAR, Renata Alves de. "Manejo do mofo branco (Sclerotinia sclerotiorum L.) em tomateiro industrial." Universidade Federal de Goiás, 2011. http://repositorio.bc.ufg.br/tede/handle/tde/444.
Full textBrazil ranks ninth in the world production of tomato (Solanum esculentum L.), while much of this production is destined for processing industries. The added value obtained with the fruit processing endorses this species as the vegetable with the greatest economic importance in the Cerrado region of Brazil, where the State of Goiás stands out as the largest producer. Despite the favorable soil and climatic conditions, several factors have hindered its production, especially diseases caused by soilborne pathogens, which had increased their importance with the adoption of intensive production systems. Among them, white mold caused by Sclerotinia sclerotiorum (Lib.) De Bary has caused serious problems in infested soils, under mild temperatures and high humidity. Concerning the large number of S. sclerotiorum hosts and the lack of resistant hybrids, chemical control has been chosen as the most common method for disease management, despite not always efficient, due to the difficulties to reach the pathogen s resistance structures in the soil. Therefore, the study aimed to evaluate the disease escape on different tomato hybrids, to compare the effectiveness of synthetic fungicides mixed or not to potassium silicate; evaluate the biological control of white mold, with different commercial products based on Trichoderma spp. associated or not to a synthetic fungicide, and to evaluate the biological control with or without chemical fungicides, applied through chemigation. Tests were carried out in soil of medium texture at Unilever experimental farm, in Goiânia (GO), from 2008 to 2010. The experimental area was previously infested with sclerotia of the pathogen, obtained in pre-cleaning wastes of soybean. Drip irrigation was used in all tests, which had 4 plants m-1 with 1.5 meters between rows. The hybrids used in the disease escape tests were: U232, U2006 (Unilever), H9992, H7155 (Heinz), N877 (Nunhems) and H108 (Hypeel). In all other essays, Heinz 9780 was the chosen hybrid. All experiments were conducted under randomized blocks design with three replications, and had weekly assessments of disease incidence to estimate the area under the disease progress curve (AUDPC). We also evaluated the productivity and its components, as well as acidity, soluble solids content and industrial yield. The results were submitted to ANOVA and to the Scott Knott or Tukey tests at 5%, using the statistical program Sisvar. It was shown that: Hybrids H9992 and Hp108 had lower AUDPCs, suggesting a partial escape to white mold and that hybrid choice can be added to the disease management cultural practices, despite there was no difference on their yield. In 2008, under higher disease pressure, potassium silicate in plots without fungicide application showed disease incidence, AUDPC, productivity and industrial yield equivalent to treatments with fluazinam and procymidone, and superior to results with benzalkonium chloride. There was no difference between treatments with Trichoderma spp. associated or not to fluazinam, in any of the assessed traits. Regarding industrial yield, there was an interaction between Trichoderma, fluazinam and years, with higher pulp yield under higher disease incidence and fluazinam sprayed alone. It was found that biological control with Trichoderma spp. via chemigation as a single measure or in mixture with the synthetic fungicides procymidone fluazinam reduced the AUDPC and increased the productivity of processing tomatoes in 25 tons on average, compared to the control. Therefore, this study showed new options for the integrated management of white mold in processing tomatoes.
O Brasil ocupa o nono lugar na produção mundial de tomate (Solanum esculentum L.), sendo que grande parte desta produção é destinada a indústrias de processamento. A agregação de valor obtida com o processamento torna esta espécie a hortaliça de maior importância econômica na região do Cerrado do Brasil, onde o Estado de Goiás se destaca como maior produtor. Apesar das condições edafo-climáticas favoráveis, vários fatores têm dificultado sua produção, principalmente as doenças provocadas por patógenos habitantes do solo, que tem aumentado sua importância em sistemas de produção intensivos. Dentre elas, o mofo branco provocado por Sclerotinia sclerotiorum (Lib.) De Bary causa sérios problemas em solos infestados, sob condições de temperatura amena e alta umidade. Por ser um patógeno polífago e não existirem híbridos resistentes, o controle químico tem sido o método mais utilizado no manejo da doença, apesar de nem sempre ser eficiente pela dificuldade de atingir as estruturas de resistência do patógeno no solo. Dessa forma, este trabalho teve como objetivo avaliar diferentes híbridos quanto à arquitetura da planta para escape da doença; comparar a aplicação de fungicidas sintéticos com e sem a utilização de silício; avaliar o controle biológico do mofo branco por meio de diferentes produtos comerciais elaborados a partir de isolados do fungo Trichoderma spp., associados ou não com a aplicação de fungicida sintético, via barra de pulverização ou via fungigação. Foram conduzidos ensaios na fazenda experimental da Unilever, em Goiânia (GO), nos anos de 2008 a 2010, em solo de textura média. A área experimental foi previamente infestada com escleródios do patógeno, obtidos em resíduos de pré-limpeza de soja. A irrigação em todos os experimentos foi realizada por gotejamento em parcelas com estande de 4 plantas m-1 com 1,5 metro entre linhas. Os híbridos utilizados para avaliação quanto à arquitetura da planta foram: U232, U2006 (Unilever), H9992, H7155 (Heinz), N877 (Nunhems) e Hp108 (Hypeel). Já o híbrido utilizado nos demais ensaios foi o Heinz 9780. Todos os experimentos foram conduzidos sob delineamento experimental de blocos ao acaso, com três repetições, e tiveram avaliações semanais da incidência da doença para obtenção da área abaixo da curva de progresso da doença (AACPD). Avaliou-se ainda a produtividade e seus componentes, além de pH, teor de sólidos solúveis e rendimento de polpa. Os resultados foram submetidos à ANOVA e ao teste de Scott-Knott ou Tukey (5%) com auxílio do programa estatístico Sisvar. Verificou-se que: Em ambos os anos, a menor AACPD nos híbridos H9992 e Hp108 (Scott-Knott 5%), é creditada ao escape parcial da doença, devido ao porte das plantas e concentração de maturação, demonstrando que a escolha do híbrido pode ser adicionada às práticas culturais já utilizadas para o manejo da doença. Apesar de não ter havido diferenças entre os híbridos quanto à sua produtividade, as perdas na produção foram correlacionadas à incidência da doença e à AACPD. Em ano com elevada incidência os fungicidas (fluazinam e procimidona) são eficientes e silicato de potássio, sem aplicação de fluazinam ou procimidona, foi igualmente eficiente, podendo ser utilizado na agricultura orgânica. No controle do mofo branco, via barra de pulverização, na cultura do tomate para processamento industrial, o uso do Trichodermax e Trichodermil não diferiram do padrão de controle em relação a incidência da doença, produtividades e rendimentos. Não há influência do fluazinam via barra de pulverização no controle do mofo branco. Já para o rendimento de polpa há interação entre Trichoderma, ano e fluazinam, sendo que ocorreu um maior rendimento de polpa no ano de maior incidência com o uso do fluazinam. Verificou-se que o controle biológico com utilização do Trichoderma sp., via fungigação, para o mofo branco, isolado ou em combinação com os fungicidas sintéticos fluazinam e procimidona, reduz a AACPD e incrementa a produtividade do tomate para processamento industrial em até 25 toneladas ha-1 em média. O rendimento de polpa nos tratamentos com controle biológico foi aumentado em cerca de 1,0 e 7,0 t ha-1, respectivamente, em 2009 e 2010.
Gutiérrez, Arenas Omar. "Sensitivity, Noise and Detection of Enzyme Inhibition in Progress Curves." Doctoral thesis, Uppsala University, Department of Biochemistry, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6886.
Full textStarting with the development of an enzymatic assay, where an enzyme in solution hydrolysed a solid-phase bound peptide, a model for the kinetics of enzyme action was introduced. This model allowed the estimation of kinetic parameters and enzyme activity for a system that has the peculiarity of not being saturable with the substrate, but with the enzyme. In a derivation of the model, it was found that the sensitivity of the signal to variations in the enzyme concentration had a transient increase along the reaction progress with a maximum at high substrate conversion levels.
The same behaviour was derived for the sensitivity in classical homogeneous enzymatic assays and experimental evidence of this was obtained. The impact of the transient increase of the sensitivity on the error structure, and on the ability of homogeneous end-point enzymatic assays to detect competitive inhibition, came into focus. First, a non-monotonous shape in the standard deviation of progress curve data was found and it was attributed to the random dispersion in the enzyme concentration operating through the transient increase in the sensitivity. Second, a model for the detection limit of the quantity Ki/[I] (the IDL-factor) as a function of the substrate conversion level was developed for homogeneous end-point enzymatic assays.
It was found that the substrate conversion level where the IDL-factor reached an optimum was beyond the initial velocity range. Moreover, at this optimal point not only the ability to detect inhibitors but also the robustness of the assays was maximized. These results may prove to be relevant in drug discovery for optimising end point homogeneous enzymatic assays that are used to find inhibitors against a target enzyme in compound libraries, which are usually big (>10000) and crowded with irrelevant compounds.
Gutiérrez, Arenas Omar. "Sensitivity, noise and detection of enzyme inhibition in progress curves /." Uppsala : Acta Universitatis Upsaliensis : Universitetsbiblioteket [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6886.
Full textGutierrez, Arenas Omar. "Sensitivity, Noise and Detection of Enzyme Inhibition in Progress Curves." Doctoral thesis, Uppsala universitet, Institutionen för naturvetenskaplig biokemi, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6886.
Full textIJzerman, E. P. F. "Progress in diagnostics and prevention of Legionnaires' disease." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2009. http://irs.ub.rug.nl/ppn/315954442.
Full textBooks on the topic "Curves of progress of the disease"
UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases. Tropical disease research: Progress 1997-98. Geneva: World Health Organization, 1998.
Find full textDiseases, UNDP/World Bank/WHO Special Programme for Research and Training in Tropical. Tropical disease research: Progress 1999-2000. Geneva: World Health Organization, 2000.
Find full textOrganization, World Health, World Bank, and United Nations Development Programme, eds. Tropical disease research: Progress 1995-96. Geneva: World Health Organization, 1997.
Find full textRodgers, Anne Brown. 2001-2002 Alzheimer's disease progress report. Silver Spring, MD: Alzheimer's Disease Education and Referral Center, National Institute on Aging, 2003.
Find full textUNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases. Tropical disease research: Progress 2001-2002. Geneva: World Health Organization, 2003.
Find full textDiseases, UNDP/World Bank/WHO Special Programme for Research and Training in Tropical. Tropical disease research: Progress 1999-2000. Geneva: World Health Organization, 2001.
Find full text1941-, Mizuno Yoshikuni, Fisher Abraham, and Hanin Israel, eds. Mapping the progress of Alzheimer's and Parkinson's Disease. New York: Kluwer Academic/Plenum Publishers, 2002.
Find full textHanin, Israel. Recent progress in Alzheimer's and Parkinson's diseases. London: Taylor & Francis, 2005.
Find full textLinda, Anderson. Progress on the treatment of AIDS. [Bethesda, Md.?]: National Cancer Institute, Office of Cancer Communications, 1987.
Find full textInternational Conference on Progress in Alzheimer's and Parkinson's Diseases (5th 2001 Kyoto, Japan). Mapping the progress of Alzheimer's and Parkinson's Disease. New York: Kluwer Academic/Plenum Publishers, 2002.
Find full textBook chapters on the topic "Curves of progress of the disease"
Madden, L. V., and C. L. Campbell. "Nonlinear Disease Progress Curves." In Epidemics of Plant Diseases, 181–229. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75398-5_6.
Full textKranz, Jürgen. "Comparison of Temporal Aspects of Epidemics: The Disease Progress Curves." In Comparative Epidemiology of Plant Diseases, 93–134. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05261-7_5.
Full textBöttcher, Albrecht, and Yuri I. Karlovich. "Carleson curves." In Progress in Mathematics, 1–26. Basel: Birkhäuser Basel, 1997. http://dx.doi.org/10.1007/978-3-0348-8922-3_1.
Full textBöttcher, Albrecht, and Yuri I. Karlovich. "Composed curves." In Progress in Mathematics, 301–36. Basel: Birkhäuser Basel, 1997. http://dx.doi.org/10.1007/978-3-0348-8922-3_9.
Full textOshima, Toshio. "Drawing Curves." In Mathematical Progress in Expressive Image Synthesis III, 95–106. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1076-7_11.
Full textBernstein, Daniel J., Chitchanok Chuengsatiansup, David Kohel, and Tanja Lange. "Twisted Hessian Curves." In Progress in Cryptology -- LATINCRYPT 2015, 269–94. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22174-8_15.
Full textHarrington, Kevin J. "Is there a Role for Adjuvant Targeted and Immunotherapies in Patients with Locoregionally-Advanced Head and Neck Cancer?" In Critical Issues in Head and Neck Oncology, 205–19. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63234-2_14.
Full textKim, Kwang Ho, Chol Ok Lee, and Christophe Negre. "Binary Edwards Curves Revisited." In Progress in Cryptology -- INDOCRYPT 2014, 393–408. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13039-2_23.
Full textJohnson, C. D. "Progress and Prospects." In Pancreatic Disease, 369–71. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-3356-8_31.
Full textShustin, Eugenii. "Tropical and Algebraic Curves with Multiple Points." In Progress in Mathematics, 431–64. Boston, MA: Birkhäuser Boston, 2011. http://dx.doi.org/10.1007/978-0-8176-8277-4_18.
Full textConference papers on the topic "Curves of progress of the disease"
Chang, Albert Ling Sheng, Chong Khim Phin, and Ho Chong Mun. "Comparing nonlinear models in describing disease progress curve of cocoa black pod." In PROCEEDING OF THE 25TH NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM25): Mathematical Sciences as the Core of Intellectual Excellence. Author(s), 2018. http://dx.doi.org/10.1063/1.5041682.
Full textIvanov, Zhanna A., Robert C. Scott, Jenna Rosano, Barbara Krynska, and Mohammad F. Kiani. "Engineering Cardiac Tissue Using Stem Cell Therapy to Mend the Broken Heart." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-203624.
Full textPredoi, Mihai V., Michel Castaings, Bernard Hosten, and Christophe Bacon. "Recent progress in computing guided waves dispersion curves." In International Congress on Ultrasonics. Vienna University of Technology, 2007. http://dx.doi.org/10.3728/icultrasonics.2007.vienna.1766_predoi.
Full textKnight, B. "Coating evaluation using analytical and experimental dispersion curves." In 26th Annual review of progress in quantitative nondestrictive evaluation. AIP, 2000. http://dx.doi.org/10.1063/1.1306060.
Full textGandhi, Navneet, Jennifer E. Michaels, Donald O. Thompson, and Dale E. Chimenti. "EFFICIENT PERTURBATION ANALYSIS OF LAMB WAVE DISPERSION CURVES." In REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION VOLUME 29. AIP, 2010. http://dx.doi.org/10.1063/1.3362397.
Full textGebara, Piotr, Roman Gozdur, and Krzysztof Chwastek. "Modeling Dynamic Hysteresis Curves of La(Fe, Co, Si)13 Compound." In 2018 Progress in Applied Electrical Engineering (PAEE). IEEE, 2018. http://dx.doi.org/10.1109/paee.2018.8441091.
Full textBartholo, P. U., J. M. A. Rebello, L. M. Tavares, F. C. da Silva, and S. D. Soares. "Assessing the sensitivity of ultrasonic testing using ROC curves." In REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION: Volume 31. AIP, 2012. http://dx.doi.org/10.1063/1.4716429.
Full textBoyle, Justin, Mohan Karunanithi, Tim Wark, Wilbur Chan, and Christine Colavitti. "Quantifying Functional Mobility Progress for Chronic Disease Management." In Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.260426.
Full textBoyle, Justin, Mohan Karunanithi, Tim Wark, Wilbur Chan, and Christine Colavitti. "Quantifying Functional Mobility Progress for Chronic Disease Management." In Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.4398804.
Full textJakubas, Adam. "Modeling of the Effect of Grain Size on Hysteresis Curves Using the Takács Model." In 2018 Progress in Applied Electrical Engineering (PAEE). IEEE, 2018. http://dx.doi.org/10.1109/paee.2018.8441150.
Full textReports on the topic "Curves of progress of the disease"
Jill K. Wright, Richard N. Wright, and Nancy J. Lybeck. Progress Report on Alloy 617 Isochronous Stress-Strain Curves. Office of Scientific and Technical Information (OSTI), March 2014. http://dx.doi.org/10.2172/1134841.
Full textHutchison, Michael. A Cure Worse Than the Disease? Currency Crises and the Output Costs of IMF-Supported Stabilization Programs. Cambridge, MA: National Bureau of Economic Research, May 2001. http://dx.doi.org/10.3386/w8305.
Full textMichelmore, R. Transposon tagging of disease resistance genes. Progress report, May 1, 1988--1992. Office of Scientific and Technical Information (OSTI), June 1994. http://dx.doi.org/10.2172/10179207.
Full textAmano, K. I., A. O. Anderson, C. L. Bailey, M. Balady, and R. F. Berendt. U.S. Army Medical Research Institute of Infectious Disease Annual Progress Report, Fiscal Year 1985. Fort Belvoir, VA: Defense Technical Information Center, October 1985. http://dx.doi.org/10.21236/ada230449.
Full textGrossman, L. The role of aging and DNA repair in chronic disease. Final progress report, December 1, 1985--September 29, 1993. Office of Scientific and Technical Information (OSTI), November 1993. http://dx.doi.org/10.2172/10186975.
Full textAbsolon, Randall F. Changes in Gas Bubble Disease Signs for Migrating Juvenile Salmonids Experimentally Exposed to Supersaturated Gasses, 1996-1997 Progress Report. Office of Scientific and Technical Information (OSTI), March 1999. http://dx.doi.org/10.2172/751544.
Full textAbsolon, Randall F. Changes in Gas Bubble Disease Signs and Survival of Migrating Juvenile Salmonids Experimentally Exposed to Supersaturated Gasses, 1995-1996 Progress Report. Office of Scientific and Technical Information (OSTI), November 1997. http://dx.doi.org/10.2172/14086.
Full textSokolov, Mikhail A., and Randy K. Nanstad. The Assessment and Validation of Mini-Compact Tension Test Specimen Geometry and Progress in Establishing Technique for Fracture Toughness Master Curves for Reactor Pressure Vessel Steels. Office of Scientific and Technical Information (OSTI), September 2016. http://dx.doi.org/10.2172/1366378.
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