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Controle Do Carvao Da Cana De Acucar
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Book Synopsis Controle do carvão da cana-de-açúcar by : Sizuo Matsuoka
Download or read book Controle do carvão da cana-de-açúcar written by Sizuo Matsuoka and published by . This book was released on 1985 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epidemiologia do carvao (Ustilago scitaminea, Syd.) da cana-de-acucar by : L. Amorim
Download or read book Epidemiologia do carvao (Ustilago scitaminea, Syd.) da cana-de-acucar written by L. Amorim and published by . This book was released on 1989 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: A evolucao do carvao da cana-de-acucar foi quantificada nas variedades comerciais NA56-79, SP71-799, SP71-1406, SP71-6163 e SP70-1143. O numero de chicotes presentes nas variedades inoculadas e nao inoculadas foi determinado quinzenalmente, durante quatro anos consecutivos e em condicoes naturais de epidemia. O progresso da doenca em funcao do tempo foi avaliado em curvas anuais e em curvas polieticas, obtidas com os valores cumulativos de chicotes, utilizando dias e anos, respectivamente, como unidades de tempo. A excecao da variedade SP70-1143, as curvas anuais de progresso do carvao mostraram a presenca de dois patamares de incidencia da doenca, caracterizando duas fases da curva. A analise matematica aplicada a primeira fase de cada curva mostrou em todas as variedades um comportamento semelhante, com o modelo logistico apresentando bom ajuste a evolucao da doenca no estadio cana-planta e o modelo monomolecular nas socas subsequentes. Na analise comparativa destas curvas o inoculo inicial mostrou-se como o principal parametro diferencial das variedades. Em funcao das condicoes de ambiente, uma terceira fase da curva foi constatada no final do ciclo da cultutra, constituida essencialmente por chicotes laterais. As curvas polieticas de progresso do carvao elaboradas para o tratamento testemunha, caracterizaram-se por um constante incremento na quantidade de doenca, de um estadio para outro. O modelo matematico que melhor se ajustou a estas curvas foi o modelo logistico. Para o tratamento com inoculacao apenas a variedade NA56-79 mostrou aumento na quantidade de doenca entre todas as socas. Nas variedades SP71-799, SP71-1406 e SP71-6163 foi constatado um decrescimo na incidencia do carvao entre a segunda e a terceira soca. Para todas as variedades e em todos os estadios de desenvolvimento da cultura a incidencia da doenca foi sempre maior no tratamento com inoculacao. Uma analise de variancia multivariada foi aplicada aos dados das variedades NA56-79, SP71-799, SP71- 1406 e SP71-6163. Dos quatro elementos da curva de progresso da doenca utilizados como variaveis, a saber: quantidade cumulativa de chicotes presentes no primeiro patamar (Yi), periodo de tempo compreendido entre o plantio ou corte e o estabelecimento do primeiro patamar (Ti), quantidade cumulativa maxima de chicotes (Ym) e area sob a curva de progresso da doenca (Area), Yi, Ym e Area mostraram alta correlacao entre si e baixa correlacao com a variavel Ti. Nesta analise, a variedade NA56-79 apresentou-se como a mais suscetivel e a variedade SP71-799 como a de maior resistencia. Equacoes preditivas de avanco do carvao em cada variedade foram obtidas com a analise conjunta dos dados, atraves de regressoes multiplas onde a incidencia foi considerada como variavel dependente e duas medidas de tempo foram tomadas como variaveis independentes. As superficies de resposta obtidas ajustaram-se bem aos dados observados, servindo como padroes de desenvolvimento da doenca. A analise espacial da epidemia realizada para a variedade NA56-79, mostrou que a doenca segue uma distribuicao ao acaso, sem apresentar agregados nas parcelas experimentais.
Book Synopsis Programa sanidad vegetal: roya y carbón de la caña de azúcar by :
Download or read book Programa sanidad vegetal: roya y carbón de la caña de azúcar written by and published by IICA Biblioteca Venezuela. This book was released on with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Programa Sanidad Vegetal written by and published by IICA Biblioteca Venezuela. This book was released on with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings by : International Society of Sugar Cane Technologists. Congress
Download or read book Proceedings written by International Society of Sugar Cane Technologists. Congress and published by . This book was released on 1986 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sugar Journal written by and published by . This book was released on 2005 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ciência E Cultura written by and published by . This book was released on 1991 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1989 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Microbiology Abstracts written by and published by . This book was released on 1983 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fitopatologia brasileira written by and published by . This book was released on 2005 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Brazilian phytopathology written by and published by . This book was released on 1994 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publishes technical and scientific articles that describe original research in the area of Plant Pathology that may contribute significantly to its progress, in Portuguese, English or Spanish.
Book Synopsis Arquivos do Instituto Biológica by :
Download or read book Arquivos do Instituto Biológica written by and published by . This book was released on 1976 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Breeding Abstracts written by and published by . This book was released on 1981 with total page 1358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Arquivos do Instituto Biológico by :
Download or read book Arquivos do Instituto Biológico written by and published by . This book was released on 1977 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Host Bibliographic Record for Boundwith Item Barcode 30112100650693 and Others by :
Download or read book Host Bibliographic Record for Boundwith Item Barcode 30112100650693 and Others written by and published by . This book was released on 2013 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sugarcane Bioethanol by : Luís Augusto Barbosa Cortez
Download or read book Sugarcane Bioethanol written by Luís Augusto Barbosa Cortez and published by . This book was released on 2010 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Brazil, sugarcane ethanol supplied, in 2009, 17.6 % of the energy for land transportation (excluding railroads)and about 55% of the total energy supplied by liquid fuel for Otto cycle engines. Besides the lower production costs ethanol produced from sugarcane in Brazil has another important advantage: in Central-South Brazil only 1 unit of fossil energy is used for each 8-9 units of energy produced by ethanol from sugarcane. Carbon emissions reduction also benefits from sugarcane ethanol: for each cubic meter of ethanol used as fuel, there is net saving of around 2 t CO2 not emitted to the atmosphere while, at the same time, no SO2 is emitted. Sugarcane was introduced in Brazil in 1532. The "Brazilian model" of producing concomitantly sugar and ethanol, brought important technical benefits and made possible an outstanding increase in the competitiveness in the international market for sugar and ethanol. Today about 50% of the sucrose of sugarcane produced in the country is directed to the production of sugar while another half is used to produce Ethanol. Industrial and academic R&D has helped to increase the productivity of ethanol steadily over the past 35 years, at a rate of 3.2% per year. Productivity gains implied savings of planted area by a factor of 2.6. In 2009/2010 the area planted with sugarcane for Ethanol production was 4.2 Mha, amounting to 1% of the total arable land available in Brazil. About 60% of the Ethanol produced in Brazil comes from the State of Sao Paulo, where the productivity is the highest (around 86 t/ha.year). Most of the recent expansion is happening in the center-west region of the country, in degraded pasture lands. The FAPESP Program for Research on Bioenergy, BIOEN, aims at articulating public and private R&D, using academic and industrial laboratories to advance and apply knowledge in fields related to ethanol production in Brazil. The BIOEN Program has a solid core for supporting academic exploratory research activities that will generate new knowledge and form scientists and professionals essential for advancing industry capacity in ethanol related technologies. On top of this, BIOEN includes partnerships with industry for cooperative R&D activities between industrial and academic laboratories, which are to be co-funded by FAPESP and industry.Federal agencies, such as CNPq, will also co-fund the research.
Download or read book Summa phytopathologica written by and published by . This book was released on 1978 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: