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Registros recuperados: 33
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Anatomy of somatic embryogenesis in Carica papaya L. BABT
Fernando,Juliana A.; Melo,Murilo; Soares,Marli K. M.; Appezzato-da-Glória,Beatriz.
Mature zygotic embryos of Carica papaya L. ‘Sunrise Solo’ were used as explants for embryogenesis induction. The explants were inoculated on Murashige and Skoog culture medium supplemented with 2 mg.L-1 2,4-dichlorophenoxyacetic acid and incubated in darkness at 25+2°C. Histological analysis of callogenesis and somatic embryogenesis indicated occurrence of direct and indirect somatic embryogenesis development. Direct somatic embryo formation was observed from hypocotyledonary epidermic cells only from explant 18 days after inoculation. Somatic embryos formed indirectly were originated from embryogenic superficial cells of pre-embryonic complexes located on peripherical and on internal cell layers of callus 49 days after inoculation. Diverse morphological...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anatomy; Somatic embryogenesis; Papaya.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132001000300005
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Antimicrobial activity and potential use of monoterpenes as tropical fruits preservatives BJM
Garcia,Roxana; Alves,Eliomara S.S.; Santos,Mirella P.; Aquije,Glória M.F. Viégas; Fernandes,A. Alberto R.; Santos,Reginaldo B. dos; Ventura,Jose A.; Fernandes,Patricia M.B..
Banana, papaya and pineapple are the most consumed tropical fruits in the world, being Brazil one of the main producers. Fungi Colletotrichum musae, Colletotrichum gloeosporioides and Fusarium subglutinans f.sp. ananas cause severe post harvest diseases and losses in fruits quality. The aim of this work was to evaluate the effectiveness of five monoterpenes to inhibit the mycelial growth and conidia germination of these three phytopathogens. The monoterpenes citral, citronellal, L-carvone, isopullegol and a-pinene were diluted in ethanol to final concentrations from 0.2 to 1%. All monoterpenes were found to inhibit the growth of the three studies fungi in a dose-dependent manner. Citral was the most effective of the oils tested and showed potent fungicidal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biocontrol; Essential oils; Banana; Papaya; Pineapple; Plant diseases.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000100032
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Avances de la fruticultura en México Rev. Bras. Frutic.
Monter,Angel Villegas; Aguilera,Antonio Mora.
Las estadísticas oficiales informaron que en 2008 se cultivaron 264 944 ha con valor de la producción de $ 14 741 millones de pesos, en 20 frutales de clima templado; mientras que, en 35 tropicales y subtropicales fue de 1 822748 ha con valor de $ 43 463 millones de pesos. De los 55 frutales, sólo naranjo (Citrus sinensis), mango (Mangifera indica), Aguacate (Persea americana), limón mexicano (C. aurantifolia), banano (Musa acuminata), lima persa (C. latifolia) y manzano (Malus domestica) se cultivan más de 50 000 ha, lo que explica porque es limitada la oferta de frutas en las grandes ciudades (Distrito Federal, Monterrey, Guadalajara, Puebla, Veracruz, entre otras). Considerando que el 79,27% de la superficie plantada con frutales tropicales y...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fruticultura; Producción; Mango; Cítricos; Aguacate; Papaya.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452011000500021
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Caracterização física de frutos de mamão e química de cascas e sementes. Infoteca-e
RINALDI, M. M.; LIMA, T. A. de; ASCHERI, D. P. R..
bitstream/item/75815/1/bolpd-263.pdf
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Papaya; Physical characterization; Peel analysis; Seed analysis; Human feeding; Mamoeiro.; Fruta tropical; Carica papaya; Mamão.; Byproducts..
Ano: 2010 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/881452
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Classification of papaya crispiness based on mechanical properties CIGR Journal
Terdwongworakul, Anupun.
This research investigated an objective technique for the classification of papaya varieties based on crispiness. Five varieties of papaya were sampled with variation in crispiness. The papaya samples were mechanically tested using texture profile analysis and rectangular blade cutting methods. Discriminant analysis based on the mechanical properties measured using rectangular blade cutting was performed to develop a classification model. The obtained discriminant model was capable of classifying the papaya samples into five different groups with an accuracy of 82.4%.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Papaya; Classification; Mechanical properties.
Ano: 2016 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3472
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COMPORTAMIENTO DE MATERIALES DE LOS GÉNEROS Carica Y Vasconcellea FRENTE A Erwinia papayae, Meloidogyne incognita Y Rotylenchulus reniformis Rev. Protección Veg.
Maselli,Anna; Rosales,Ligia Carolina; Guevara,Yolanda; Suárez H,Zoraida.
La bacteriosis del cancro y el ataque de los nematodos constituyen graves obstáculos en la extensión del cultivo de la papaya (Carica papaya L.). El objetivo principal de este trabajo fue la selección de genotipos tanto comerciales como silvestres resistentes a los patógenos mencionados. Para la evaluación del comportamiento ante la bacteria del cancro causada por Erwinia papayae, se seleccionaron once accesiones de C. papaya, Vasconcellea goudotiana y V. cauliflora y se inocularon 10 plantas de cada genotipo con una suspensión bacteriana de concentración de 10(8) UFC.mL-1. La inoculación se realizó produciendo heridas en los tallos de las plantas sanas. Los testigos se trataron de igual forma con agua destilada estéril. Para la evaluación de la...
Tipo: Journal article Palavras-chave: Nematodos; Bacteriosis; Papaya; Erwinia papayae; Meloidogyne incognita; Rotylenchulus reniformes.
Ano: 2010 URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1010-27522010000300003
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Consideraciones sobre la utilización de diferentes densidades en el cultivo de papaya (Carica papaya, L.) "Baixinho de Santa Amalia" en islas canarias Rev. Bras. Frutic.
Pastor,Mª Cristina Rodriguez.
El cultivo de papaya en Islas Canarias se ha extendido en los últimos años bajo condiciones de invernadero. La utilización de cultivares de papaya tipo "Baixinho de Santa Amalia" (mutante natural del cultivar "Sunrise") de porte bajo, emisión de la flor a corta altura y precocidad en la floración, resultan de gran interés sobre todo en esta clase de medios. Estas características fenológicas hacen posible el manejo del cultivo a mayores densidades que las empleadas con otros cultivares. Por lo tanto, se ha planteado este trabajo cuyo objetivo principal es determinar cual es el marco de plantación óptimo, que permita obtener mayores rendimientos sin depreciar la calidad del fruto. Para ello, se ha evaluado la producción tanto de las plantas hermafroditas...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Marcos de plantación; Papaya; Producción; Frutos deformados.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452002000300035
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Control of papaya fruits anthracnose by essential oil of Ricinus communis BABT
Siqueira Júnior,César Luis; Freire,Maria das Graças Machado; Moreira,Antônio Sérgio Nascimento; Macedo,Maria Ligia Rodrigues.
The aim of this work was to investigate the potential of castor oil for the control of papaya diseases caused by the fungus Colletotrichum gloeosporioides and the bacterium Pseudomonas caricapapayae. The treatment with 1% castor oil did not significantly affect the fungal growth. The effectiveness of castor oil for the control of anthracnose was shown when 5% and 10% (v/v) were used in the assays resulting in reduced mycelial growth. Fungal sporulation was strongly inhibited at 10% (v/v) concentration of essential oil. The studies with the fresh fruits treated with 5% (v/v) castor oil in aqueous emulsions resulted in effective reduction of pathogen spread in these fruits. No lesion was found in the fruits treated with oil, when compared to the control...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Antimicrobial activity; Essential oil; Postharvest; Colletotrichum gloeosporioides; Papaya.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000100009
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Efeitos da imposição de barreiras técnicas e fitossanitárias nas exportações brasileiras de mamão AgEcon
Faria, Rosane Nunes de; Lirio, Viviani Silva; Silva, Orlando Monteiro da; Lima, Joao Eustaquio de.
The main objective of this paper was to identify technical and sanitary requirements that could be qualified as export barriers for the Brazilian papaya and to quantify their effects on the volume exported to the United States of America. The methodology consisted of both qualitative and quantitative analysis. Qualitative information collected by means of interviews with producers and exporters were analyzed with the use of frequencies and descriptive statistics. A time series model of transfer function was estimated to analyze the impact of technical and sanitary barriers upon Brazilian papaya exports. Through the qualitative analysis it was possible to identify five technical and sanitary requirements that could be qualified as export barriers. Due to...
Tipo: Journal Article Palavras-chave: Technical barriers; Sanitary requirements; Papaya; Transfer function model; International Relations/Trade.
Ano: 2005 URL: http://purl.umn.edu/56735
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EFEITOS DE DIFERENTES LÂMINAS E FREQÜÊNCIAS DE IRRIGAÇÃO SOBRE A PRODUTIVIDADE DO MAMOEIRO (Carica papaya L.) Rev. Bras. Frutic.
SILVA,JOSÉ GERALDO FERREIRA DA; FERREIRA,PAULO AFONSO; COSTA,LUIZ CLÁUDIO; MELENDES,RAÚL RENNÉ VALLE; CECOM,PAULO ROBERTO.
O presente trabalho foi conduzido na Fazenda Experimental de Sooretama do Instituto Capixaba de Pesquisa, Assistência Técnica e Extensão Rural - INCAPER, no município de Sooretama-ES, no período de 22 de novembro de 1996 a 15 de janeiro de 1998. O solo da área é um Latossolo Vermelho-Amarelo distrófico, com horizonte A moderado. Objetivou-se estudar os efeitos da interação entre lâmina de água aplicada e freqüências de aplicação, sobre a produção comercial e componentes de produção do mamoeiro. Obteve-se um crescimento linear da produtividade com o aumento da lâmina de água aplicada. Verificou-se, porém, que a maior produtividade foi obtida para intervalos variando entre três e cinco dias entre irrigações. Observou-se, ainda, que o peso médio dos frutos...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Irrigação; Microaspersão; Manejo; Papaya.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452001000300031
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Evaluation of the mycelial network formed by arbuscular mycorrhizal hyphae in the rhizosphere of papaya and other plants under intercropping system BJM
Cruz,André Freire; Ishii,Takaaki; Matsumoto,Isao; Kadoya,Kazuomi.
An experiment was carried out under greenhouse conditions to observe the distribution of arbuscular mycorrhizal (AM) hyphae in the rhizosphere of papaya and other plants under intercropping system. Special acrylic root boxes with three compartments, separated by nylon mesh screens, were constructed. One outer compartment contained seedlings of papaya (Carica papaya L.) and other contained seedlings of bahiagrass (Paspalum notatum Flügge) or millet (Pennisetum glaucum L. R. Br.). The central compartment was inoculated with an AM fungus (Gigaspora margarita). In another experiment, the outer compartments were treated with 25% MeOH eluates of bahiagrass (BRE) and millet (MRE) root extracts. A control box, containning only papaya seedlings was also prepared....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hyphae; Root extracts; Papaya; Arbuscular mycorrhizal fungi.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822003000100015
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First record of Trialeurodes variabilis (Quaintance) (Hemiptera: Aleyrodidae) on Carica papaya L. in the state of Espírito Santo, Brazil Neotropical Entomology
Culik,Mark P.; Martins,David dos S..
Surveys were conducted to identify whitefly pests of papaya in the state of Espírito Santo, Brazil. The whitefly species Trialeurodes variabilis (Quaintance) is reported for the first time in the state, where it was found on papaya at six locations in Sooretama and Linhares municipalities in October to December 2002 and June 2003.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Insecta; Whitefly; Papaya.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000500019
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Fruit fly in Malaysia and Thailand 1985-1993 AgEcon
Collins, B.A.; Collins, David J..
Fruit flies are a serious economic pest affecting horticultural production world-wide. Increasing coordination of activities between neighbouring countries and those countries involved in fresh fruit trade is leading to more effective regional management of the fruit fly pest. 1.1 ACIAR Research Projects. ACIAR has supported fruit fly research in developing countries since 1984. Two projects, based in Thailand and Malaysia, have generated significant scientific and economic outcomes. The total cost of these two projects was $1.7m (in 1996 dollars). Specific outcomes include: 1. A more detailed understanding of exotic fruit fly species, their host range, pest status and spatial distribution; 2. Increased interest in fruit fly management in Thailand and...
Tipo: Book Palavras-chave: Fruit fly; Malaysia; Thailand; Australia; Pest; Fruit; Production; Export; Papaya; Outbreak; Agribusiness; Crop Production/Industries; Farm Management; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; International Development; Production Economics; Research and Development/Tech Change/Emerging Technologies.
Ano: 1998 URL: http://purl.umn.edu/47194
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Growth and yield of papaya under irrigation Scientia Agricola
Almeida,Frederico Terra de; Bernardo,Salassier; Sousa,Elias Fernandes de; Marin,Sérgio Lúcio David; Grippa,Sidney.
Thermal units or degree day systems can both be used to quantify relationships between plants and air temperature. The Northern Fluminense region holds no tradition for irrigated papaya (Carica papaya L.) cropping and, because of the need for irrigation, it is important knowing its growth and development characteristics under these conditions. This study aimed to determine the relationship between growth rate of papaya plants and degree days, and its effect on crop productivity, under different irrigation levels. An experiment was set up with the cultivar "Improved Sunrise Soil 72/12", in a randomized blocks design, with seven irrigation water depths and three repetitions; crop growth and yield parameters were evaluated. There were significant correlations...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Irrigation management; Development; Papaya; Productivity.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300001
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Identification and characterization of a resistance gene analog (RGA) from the Caricaceae Dumort family Rev. Bras. Frutic.
Amaral,Paulo de Paiva Rosa; Alves,Paulo César Martins; Martins,Natália Florêncio; Silva,Felipe Rodrigues da; Capdeville,Guy de; Souza Júnior,Manoel Teixeira.
The majority of cloned resistance (R) genes characterized so far contain a nucleotide-binding site (NBS) and a leucine-rich repeat (LRR) domain, where highly conserved motifs are found. Resistance genes analogs (RGAs) are genetic markers obtained by a PCR-based strategy using degenerated oligonucleotide primers drawn from these highly conserved "motifs". This strategy has the advantage of the high degree of structural and amino acid sequence conservation that is observed in R genes. The objective of the present study was to search for RGAs in Carica papaya L. and Vasconcellea cauliflora Jacq. A. DC. Out of three combinations of primers tested, only one resulted in amplification. The amplified product was cloned in pCR2.1TOPO and than sequenced using M13...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caricaceae; Nucleotide-binding site (NBS); V. cauliflora; C. papaya; Papaya.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452006000300026
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Influência do esterco no crescimento e no acúmulo de nutrientes em mudas de mamão havaí. Infoteca-e
MULLER, C. H.; REIS, G. G. dos; MULLER, A. A..
bitstream/item/59119/1/CPATU-ComTec30.pdf
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Mamão havaí; Desenvolvimento; Papaya; Fertilization; Fruit; Development; Cultting; Nutrient; Manure.; Adubação; Carica Papaya; Esterco; Fruta; Muda; Nutriente..
Ano: 1979 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/376115
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Inovação tecnológica e cooperação entre os atores econômicos no arranjo produtivo local: o exemplo do mamão no Espírito Santo AgEcon
Ney, Vanuza Da Silva Pereira; Ponciano, Niraldo Jose; Zampirolli, Poliana Dare.
O artigo discute a formação e as características de um arranjo produtivo local tendo como base os elementos: cooperação, governança e inovação. Para isso resgata-se na literatura econômica os conceitos teóricos fundamentais de firma, inovação e concorrência, apresentando na última seção o caso do APL do mamão no Espírito Santo como exemplo de cooperação e esforço dos atores econômicos envolvidos no setor para seu fortalecimento e êxito no mercado externo. This article discuss the constitution and the characteristics of a cluster having as its base the elements: cooperation, leadership and innovation. For this, it is reviewed on the economic literature the fundamental theoretical concepts of firm, innovation and competition, presenting at the last section...
Tipo: Conference Paper or Presentation Palavras-chave: Arranjo produtivo; Inovação tecnológica; Mamão; Cluster; Innovation; Papaya; Crop Production/Industries.
Ano: 2008 URL: http://purl.umn.edu/103099
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Levantamento de plantios mistos na côlonia agrícola de Tomé-Açu-Pará. Infoteca-e
STOLBERG-WERNIGERODE, A. G. zu; FLOHRSCHUTZ, G. H. H..
bitstream/item/50152/1/DOCUMENTOS-6-CPATU.pdf
Tipo: Documentos (INFOTECA-E) Palavras-chave: Cultivo; Pimenta-do-reino; Freijó; Pipper nigrum; Tomé-Açu; Pará; Brasil; Consorciation; Plant; Cultivation; Cocoa; Coffee; Rubber tree; Brazilian walnut; Papaya; Maracock.; Café; Cacau; Consorciação de Cultura; Guaraná; Maracujá; Mamão; Planta; Seringueira.; Amazonia; Black pepper..
Ano: 1982 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/382456
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Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses Electron. J. Biotechnol.
Zhu,Xiaoyang; Li,Xueping; Chen,Weixin; Lu,Wangjin; Mao,Jia; Liu,Tongxin.
Background: C-repeat binding factors (CBFs) are transcription factors that regulate the expression of a number of genes related to abiotic stresses. Few CBF genes have been cloned from other plants but no report in papaya. In present study, a full-length cDNA, designated as CpCBF2, was cloned from papaya using in silico cloning and 5’- rapid amplification cDNA ends (RACE). Sequence analysis was performed to understand the gene function. The expression pattern of CpCBF2 in papaya under low (7ºC) and high temperature (35ºC) stresses was examined using real-time quantitative polymerase chain reaction (RT-qPCR). Results: The full-length cDNA of CpCBF2 was 986-bp, with a 762-bp open reading frame (ORF) encoding a 254 amino acid polypeptide. CpCBF2...
Tipo: Journal article Palavras-chave: CpCBF2; Gene expression; Papaya; Temperature stresses.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000400001
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O Cultivo do mamão. Infoteca-e
SANCHES, N. F.; DANTAS, J. L. L..
Para o cultivo do mamoeiro e recomendado um conjunto de técnicas que viabiliza a exploração comercial desta cultura, contendo informações sobre programação e plantio, adubação, tratos culturais, controle de pragas e doenças, métodos de colheita e pós-colheita, formas de utilização, bem como os coeficientes técnicos e custo de produção para implantação da cultura.
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Carica papaya L; Cultivo; Variedades; Sunrise Solo; Fomosa; Condições edafoclimáticas; Mudas; Sementes; Plantas daninhas; Desbate; Desbrota; Culturas intercalares; Pragas; Doencas; Frigoconservacao; Ultilizacao; Papaya; Cultivation; Sunrise; Formosa; Leal analysis; Edaphic and climatic; Conditions; Spacing; Thinning; Diseases; Preservation; Ultilization.; Calagem; Boro; Análise Foliar; Comercialização; Espaçamento; Mamão; Solo.; Boron; Marketing; Intercropping; Liming; Pests; Production costs; Seedlings; Seeds; Sprouting; Varieties; Weeds..
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/642741
Registros recuperados: 33
Primeira ... 12 ... Última
 

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