Inocula O Do Fungo Aspergillus Flavus Em Sementes De Amendoim
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Inocula O Do Fungo Aspergillus Flavus Em Sementes De Amendoim
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Author : Mateus Forcato Pansani
language : pt-BR
Publisher: Clube de Autores
Release Date : 2015-03-18
Inocula O Do Fungo Aspergillus Flavus Em Sementes De Amendoim written by Mateus Forcato Pansani and has been published by Clube de Autores this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-18 with Science categories.
A pesquisa foi desenvolvida na Universidade José do Rosário Vellano - UNIFENAS, Setor de Olericultura, com o objetivo de avaliar os efeitos da inoculação do fungo Aspergillus flavus na produtividade de plantas de amendoim.
Avalia O Da Aflatoxina Em Sementes De Amendoim Armazenadas E Do Leo De Nim Azadirachta Indica No Crescimento Micelial Do Fungo Aspergillus Flavus
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Author : R. da S. COSTA
language : pt-BR
Publisher:
Release Date : 2007
Avalia O Da Aflatoxina Em Sementes De Amendoim Armazenadas E Do Leo De Nim Azadirachta Indica No Crescimento Micelial Do Fungo Aspergillus Flavus written by R. da S. COSTA and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
A flatoxina é uma toxina comumente encontrada no amendoim, produzida por fungos micotoxicogênicos, em que se destacam Aspergillus flavus e Aspergillus flavus e Aspergillus parasiticus. O ataque desses microrganismos pode produzir diferentes alterações em sementes e em grãos, sendo as mais importantes à diminuição do poder germinativo das sementes, as alterações na cor natural dos grãos, nas qualidades organolépticas, no valor nutritivo e no bom aproveitamento industrial do amendoim e seus subprodutos, além de produzir substâncias tóxicas. A busca por produtos de baixo custo que controle esses microrganismos com eficiência tem sido uma constante. Nota-se que, vários efeitos são observados quando esses fungos são expostos a produtos a base de nim (Azadirachta indica), como as alterações morfológicas e toxicogênicas. Tendo em vista os problemas causados por esses microrganismos, com o presente trabalho objetivou-se determinar as condições de armazenamento, tipos de embalagens e período de armazenagem, visando reduzir significativamente os teores de aflatoxina em sementes de amendoim e avaliar a ação do óleo de nim (Azadirachta indica), no desenvolvimento micelial do fungo Aspergillus flavus. Para atender os objetivos, foram instalados dois experimentos. O primeiro foi em delineamento inteiramente casualizado com quatro repetições, seguindo de um esquema fatorial de 2 x 2 x 2 x 4, representado por ambientes de armazenamento (A1 - câmara seca; A2 - condições ambientes), embalagem (EM1 - saco multifoliado; EM2 - saco de polietileno trançado), beneficiamento (AM1 - amendoim sem casca; AM2 - amendoim com casca) e período de armazenamento (P1 - após 45 dias; P2 - após 90 dias; P3 - após 135 dias; P4 - após 180 dias). O segundo experimento foi distribuído em esquema fatorial de 3 x 5 representado por: diferentes isolados do fungo Aspergillus flavus (IM - isolado de Mogeiro; IP - isolado de Patos; ICG - isolado de Campina Grande) e variações das concentrações do óleo de nim no meio de cultura (Co - testemunha; C1 - 3,125%; C2 - 6,25%; C3 - 12,5%; C4 - 25%) com quatro repetições. Dos resultados obtidos, conclui-se que, as condições de ambiente, embalagens, beneficiamento e período de armazenamento influenciaram na qualidade fisiológica da semente e não favoreceram ao surgimento da aflatoxina; e a concentração de 25% de óleo de nim inibiu significativamente a taxa de crascimento micelial do fungo Aspergillus flavus.
Soybean Diseases
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Author : John Melvin Dunleavy
language : en
Publisher:
Release Date : 1966
Soybean Diseases written by John Melvin Dunleavy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Soybean categories.
This handbook supersedes Circular 931, "Diseases of Soybeans."
Induced Resistance For Plant Defence
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Author : Dale Walters
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15
Induced Resistance For Plant Defence written by Dale Walters and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Technology & Engineering categories.
Plant diseases worldwide are responsible for billions of dollarsworth of crop losses every year. With less agrochemicals being usedand less new fungicides coming on the market due to environmentalconcerns, more effort is now being put into the use of geneticpotential of plants for pathogen resistance and the development ofinduced or acquired resistance as an environmentally safe means ofdisease control. This comprehensive book examines in depth the development andexploitation of induced resistance. Chapters review currentknowledge of the agents that can elicit induced resistance,genomics, signalling cascades, mechanisms of defence to pests andpathogens and molecular tools. Further chapters consider thetopical application of inducers for disease control, microbialinduction of pathogen resistance, transgenic approaches, pathogenpopulation biology, trade offs associated with induced resistanceand integration of induced resistance in crop protection. The bookconcludes with a consideration of socio-economic driversdetermining the use of induced resistance, and the future ofinduced resistance in crop protection.
Bioformulations For Sustainable Agriculture
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Author : Naveen Kumar Arora
language : en
Publisher: Springer
Release Date : 2016-06-06
Bioformulations For Sustainable Agriculture written by Naveen Kumar Arora and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-06 with Technology & Engineering categories.
More than a century has passed since the first bioformulations were introduced to the market. But there is still much to be done, explored and developed. Though bioformulations offer green alternatives and are important for sustainable agriculture, they make up only a small fraction of the total additions used to enhance crop yields or protect them from pests. There is a great need to develop bioformulations that can promote confidence among end users; accordingly, it is imperative that bioformulations to replace chemicals be reliable and overcome the shortcomings of the past. Bioformulations: for Sustainable Agriculture discusses all the issues related to the current limitations and future development of bioformulations. It examines in detail those bioformulations that include biofertilizers and biopesticides (also commonly known as bioinoculants), presenting a global picture of their development. Further chapters address diverse microbes that are already being or could be used as bioformulations. The book also discusses the techniques, tools and other additions required to establish bioformulations as trustworthy and global solutions. It assesses the types of bioformulations currently available on the market, while also considering the future roles of bioformulations, including the reclamation of marginal and polluted soils. Further, it discusses the current legislation and much-needed amendments. Overall the book provides a comprehensive outlook on the status quo of bioformulations and the future approaches needed to improve them and achieve sustainable agriculture and food security without sacrificing the quality of soils. This will be extremely important in offering chemical-free foods and a better future for generations to come.
Whitefly Of The World
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Author : Laurence Alfred Mound
language : en
Publisher: British Museum Press
Release Date : 1978
Whitefly Of The World written by Laurence Alfred Mound and has been published by British Museum Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Science categories.
Relationships of whitefly; Biology of whitefly; Arrangement of the catalogue; Catalogue of whitefly; Summary of nomenclatural changes established in this catalogue; Systematic list of natural enemies of aleyrodidae; Systematic list of host plants of aleyrodidae; Index to genera of angiosperms in systematic list of host plants; References; Index to genera and species of aleyrodidae.
Hypocrea Trichoderma Ascomycota Hypocreales Hypocreaceae
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Author : Priscila Chaverri
language : en
Publisher:
Release Date : 2004
Hypocrea Trichoderma Ascomycota Hypocreales Hypocreaceae written by Priscila Chaverri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Ascomycetes categories.
The systematics of species of Hypocrea with green ascospores and their Trichoderma anamorphs is presented. Multiple phenotypic characters were analysed, includingteleomorph and anamorph, as well as col-ony morphology and growth rates at varioustemperatures. In addition, phylogenetic analyses of two genes, the RNA polymerase II subunit (RPB2) and translation elongation factor 1-alpha (EF-1a), were performed. These analyses revealedthat species of Hypocrea with green ascosporesand Trichodermaanamorphs are derived from within Hypocrea but do not form a monophyletic group. Therefore, Creopus and Chromocrea, genera formerly segregated from Hypocrea only based on their coloured ascospores, are considered synonyms of Hy-pocrea. The present study showed that phenotypic characters alone are generally not helpful in understanding phylogenetic relationships in this group of organisms, because teleomorph characters are generally highly con-served and anamorph characters tend to be morphologically divergent within monophyletic lineages or clades. The species concept used here for Hypocrea/Trichoderma is based on a combination of phenotypic and geno-typic characteristics. In this study 40 species of Hypocrea/Trichoderma having green ascospores are described and illustrated. Dichotomous keys to the species are given. The following species are treated (names in bold are new species or new combinations): H. albocornea, H. atrogelatinosa, H. aureoviridis/T. aureoviride, H. can-dida/T. candidum, H. catoptron/T. catoptron, H. centristerilis, H. ceracea/T. ceraceum, H. ceramica/T. ce-ramicum, H. chlorospora/T. chlorosporum, H. chromosperma/T. chromospermum, H. cinnamomea/T. cin-namomeum, H. clusiae, H. cornea, H. costaricensis, H. crassa/T. crassum, H. cremea/T. cremeum, H. cu-neispora/T. cuneisporum, H. estonica/T. estonicum, H. gelatinosa/T. gelatinosum, H. gyrosa, H. lixii/T. har-zianum, H. macrospora, H. melanomagna/T. melanomagnum
Allium Spp
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Author : Marlene Diekmann
language : en
Publisher: Bioversity International
Release Date : 1997
Allium Spp written by Marlene Diekmann and has been published by Bioversity International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Allium categories.
The Art Of Fermentation
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Author : Sandor Ellix Katz
language : en
Publisher: Chelsea Green Publishing
Release Date : 2012
The Art Of Fermentation written by Sandor Ellix Katz and has been published by Chelsea Green Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Cooking categories.
"The bible for the D.I.Y set: detailed instructions for how to make your own sauerkraut, beer, yogurt and pretty much everything involving microorganisms."--The New York Times *Named a "Best Gift for Gardeners" by New York Magazine The original guide to kraut, kombucha, kimchi, kefir, and kvass; mead, wine, and cider; pickles and relishes; tempeh, koji, miso, sourdough and so much more...! Winner of the James Beard Foundation Book Award for Reference and Scholarship, and a New York Times bestseller, with more than a quarter million copies sold, The Art of Fermentation is the most comprehensive guide to do-it-yourself home fermentation ever published. Sandor Katz presents the concepts and processes behind fermentation in ways that are simple enough to guide a reader through their first experience making sauerkraut or yogurt, and in-depth enough to provide greater understanding and insight for experienced practitioners. While Katz expertly contextualizes fermentation in terms of biological and cultural evolution, health and nutrition, and even economics, this is primarily a compendium of practical information--how the processes work; parameters for safety; techniques for effective preservation; troubleshooting; and more. With two-color illustrations and extended resources, this book provides essential wisdom for cooks, homesteaders, farmers, gleaners, foragers, and food lovers of any kind who want to develop a deeper understanding and appreciation for arguably the oldest form of food preservation, and part of the roots of culture itself. Readers will find detailed information on fermenting vegetables; sugars into alcohol (meads, wines, and ciders); sour tonic beverages; milk; grains and starchy tubers; beers (and other grain-based alcoholic beverages); beans; seeds; nuts; fish; meat; and eggs, as well as growing mold cultures, using fermentation in agriculture, art, and energy production, and considerations for commercial enterprises. Sandor Katz has introduced what will undoubtedly remain a classic in food literature, and is the first--and only--of its kind.
Agrotro Ica
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Author :
language : pt-BR
Publisher:
Release Date : 1995
Agrotro Ica written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Agriculture categories.