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Registro Completo
Biblioteca(s):  Embrapa Arroz e Feijão.
Data corrente:  15/12/2014
Data da última atualização:  15/12/2014
Tipo da produção científica:  Artigo em Periódico Indexado
Autoria:  NASCIMENTO, V. L. do; MIRANDA, J. E.; MALAQUIAS, J. B.; CARVALHO, M. da C. S.; LINS, L. C. P.; PANIAGO, J.
Afiliação:  VANIA LUCIA DO NASCIMENTO, FUNDAÇÃO DE APOIO A PESQUISA E DESENVOLVIMENTO DE GOIÁS; JOSE EDNILSON MIRANDA, CNPA; JOSE BRUNO MALAQUIAS, CNPA; MARIA DA CONCEICAO SANTANA CARVALHO, CNPAF; LUIS CARLOS PINHEIRO LINS, mestrando UFG; JULIMAR PANIAGO, FUNDAÇÃO DE APOIO A PESQUISA E DESENVOLVIMENTO DE GOIÁS.
Título:  Sulphur sources on the management of Scaptocoris castanea (Hemiptera: Cydnidae) on cotton.
Ano de publicação:  2014
Fonte/Imprenta:  Revista Colombiana de Entomologia, Bogotá, v. 40, n. 1, p. 15-20, jan./june 2014.
Idioma:  Inglês
Conteúdo:  Soil fertility with sulphur sources is an important tool that can be used in the management of pests. Sulphur can induce tolerance or even cause mortality to insect pests. This study evaluated the application of sulphur sources on the population dynamics of Scaptocoris castanea (Hemiptera: Cydnidae) and its effects on cotton plants. The experiment had a factorial design consisting of a combination of four concentrations of calcium sulfate (CaSO4) and four concentrations of ammonium sulphate [(NH4)2SO4]. There was no correlation between soil humidity (%) and insect infestation (%) (nymphs + adults), except for the treatment without calcium sulfate (0 kg/ha) along with 208 kg/ha of ammonium sulfate. There was a significant difference between average and previous infestation of S. castanea with the application of only 1,500 kg/ha of calcium sulfate. The relationship between cotton yield (kg/ha) and ammonium sulfate was best described by a cubic function at concentrations of 750, 1,125 and 1,500 kg/ha of calcium sulfate; on the other hand, a linear function was best adjusted in the absence of calcium sulfate. Sulphur sources influenced the visual appearance of the plants as many plants were found with injuries and/or were reduced in size in those treatments without application of any sulphur sources. These results reinforce the idea that suphur sources may be useful in the management of S. castanea on cotton.
Thesagro:  Algodão; Percevejo; Scaptocoris castanea; Sulfato de amônia; Sulfato de cálcio.
Categoria do assunto:  O Insetos e Entomologia
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/item/113694/1/mcsc.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Arroz e Feijão (CNPAF)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status URL
CNPAF33136 - 1UPCAP - DD2014.0772014.077
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Registro Completo

Biblioteca(s):  Embrapa Acre.
Data corrente:  17/01/2011
Data da última atualização:  06/07/2021
Tipo da produção científica:  Artigo em Periódico Indexado
Circulação/Nível:  B - 5
Autoria:  CAVALCANTE, M. de J. B.; ESCOUTE, J.; MADEIRA, J. P.; ROMERO, R. E.; NICOLE, M. R.; OLIVEIRA, L. C. de; HAMELIN, C.; LARTAUD, M.; VERDEIL, J. L.
Afiliação:  MARIA DE JESUS BARBOSA CAVALCANTE, CPAF-AC; JACQUES ESCOUTE, CIRAD; JEAN PAUL MADEIRA, CIRAD; ROCIO E. ROMERO, CIRAD; MICHEL R. NICOLE, CIRAD; LUIS CLAUDIO DE OLIVEIRA, CPAF-AC; CHANTAL HAMELIN, CIRAD; MARC LARTAUD, CIRAD; JEAN L. VERDEIL, CIRAD.
Título:  Reactive oxygen species and cellular interactions between Mycosphaerella fijiensis and banana.
Ano de publicação:  2011
Fonte/Imprenta:  Tropical Plant Biology, New York, v. 4, n. 2, p. 134-143, June 2011.
DOI:  10.1007/s12042-011-9071-8
Idioma:  Inglês
Conteúdo:  Globally, the banana plant (Musa spp) is the fourth most important crop after rice, wheat and corn (based on production in tons). It is cultivated in more than 100 tropical and subtropical countries, mainly by small producers and is a fundamental food source for millions of people. Black leaf streak disease (BLSD), caused by Mycosphaerella fijiensis Morelet (sexual phase) or Paracercospora fijiensis (Morelet) Deighton (asexual phase), is the main disease affecting the world's banana culture. This disease has a wide geographical distribution accounting for losses exceeding 50% of global banana production. We conducted a comparative histocytological study on the kinetics of the infection process using three banana genotypes with phenotypes that differ in resistance to BLSD: Grand Naine (Susceptible), Pisang Madu (Partially Resistant) and Calcutta 4 (Resistant). Experiments were conducted under controlled conditions with the objective of characterizing the cellular interaction processes between M. fijiensis and Musa acuminata. Conidia germination occurred 24 hours after inoculation. Germination rates were high (97%) and there were no significant differences between the three genotypes (P>0.147). The Peroxidase enzyme and H2O2 were associated with a hypersensitivity-like reaction in the resistant genotype Calcutta 4, indicating a possible role of the enzyme or its product as defense mechanisms against M. fijiensis in banana plants.
Palavras-Chave:  Bananos; Enfermedades y desórdenes de las plantas; Peroxidasa; Técnicas y protocolos genéticos.
Thesagro:  Análise comparativa; Banana; Doença de planta; Fungo; Interação genética; Musa acuminata; Musa sp; Mycosphaerella fijiensis; Peroxidase; Sigatoka negra; Variedade resistente.
Thesaurus NAL:  Bananas; Black sigatoka; Fungi; Genetic techniques and protocols; Plant diseases and disorders.
Categoria do assunto:  G Melhoramento Genético
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/item/159565/1/23757.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Acre (CPAF-AC)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status
CPAF-AC23757 - 2UPCAP - DD
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