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Biblioteca(s):  Embrapa Semiárido.
Data corrente:  03/05/2021
Data da última atualização:  03/05/2021
Tipo da produção científica:  Artigo em Periódico Indexado
Autoria:  ARAÚJO, A. N. de S.; ANGELOTTI, F.; RIBEIRO JUNIOR, P. M.
Afiliação:  ANA LAÍLA DE SOUZA ARAÚJO, UPE; FRANCISLENE ANGELOTTI, CPATSA; PEDRO MARTINS RIBEIRO JUNIOR, CPATSA.
Título:  Impact of temperature increase on powdery mildew in melon.
Ano de publicação:  2021
Fonte/Imprenta:  Revista de Ciências Ambientais, v. 15, n. 1, p. 1-10, 2021.
DOI:  http://dx.doi.org/10.18316/rca.v15i1.5586
Idioma:  Inglês
Conteúdo:  The increase in greenhouse gases (GHG) has caused an increase in atmospheric temperature. It is known that temperature is determinant for the occurrence of plant diseases. In this context, the objective of this study was to evaluate the in? uence of temperature on powdery mildew in detached leaves of diff erent melon cultivars. Nine melon cultivars were used: Araguaia, Awton, Eldorado, Gladial, Gold, Hibix, Natal, Juazeiro and Sancho. Two experiments were carried out with detached leaves in incubators with control of temperature and photoperiod (12/12h). The first experiment was conducted to determine the optimum temperature (15, 20, 25, 30, 35 and 40 °C) for the development of the disease and, from this temperature, increments of 1.7, 2.6, 3.1 and 5 °C, corresponding to the IPCC scenarios, were evaluated. the leaves were inoculated with a suspension of conidia of Oidium sp., placed on trays and kept in incubators. It was found that air temperature in? uences both the incubation period and severity of the disease. The optimum range for the development of melon mildew was 20-25 °C, and the increase in air temperature reduces the severity of the disease and, from 30 °C, there is no appearance of symptoms. The incubation period of melon powdery mildew increases at temperatures of 15 °C and above 27.6 °C. Melon cultivars show diff erent responses to temperature increases. However, all cultivars were susceptible to powdery mildew, with high severity at temperatures favorable to t... Mostrar Tudo
Palavras-Chave:  Podosphaera xanthii.
Thesagro:  Doença; Efeito Estufa; Melão; Mudança Climática; Oídio.
Thesaurus Nal:  Oidium.
Categoria do assunto:  H Saúde e Patologia
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/item/222988/1/Impact-of-temperature-increase-on-powdery-mildew-in-melon-2021.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Semiárido (CPATSA)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status URL
CPATSA59525 - 1UPCAP - DD
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Biblioteca(s):  Embrapa Cerrados.
Data corrente:  29/11/2022
Data da última atualização:  08/12/2022
Tipo da produção científica:  Artigo em Periódico Indexado
Circulação/Nível:  A - 2
Autoria:  ALEXANDRE, D.; NIVA, C. C.; BUSSINGER, A. P.; MARCHAO, R. L.; GATTO, A.; SILVA, R. G. da; SCHMELZ, R. M.
Afiliação:  DOUGLAS ALEXANDRE; CINTIA CARLA NIVA, CPAC; ANGELA P. BUSSINGER; ROBELIO LEANDRO MARCHAO, CPAC; ALCIDES GATTO; RENATA G. DA SILVA; RÜDIGER MARIA SCHMELZ.
Título:  First record on enchytraeids in a Savanna Tall Woodland (Cerradão) and Upper Montane Atlantic Forest in Brazil.
Título original:  Annals of the Brazilian Academy of Sciences
Ano de publicação:  2022
Fonte/Imprenta:  Anais da Academia Brasileira de Ciências, v. 94, n. 4, 2022.
Páginas:  10 p.
DOI:  DOI 10.1590/0001-3765202220200892
Idioma:  Inglês
Conteúdo:  Abstract: Brazil is considered a megadiverse country, but the soil fauna is still very poorly known. The aim of this study was to report, for the fi rst time, the abundance and genus composition of terrestrial enchytraeids (Enchytraeidae, Oligochaeta) in Savanna Tall Woodland (Cerradão) and a pasture in Cerrado Biome and in Upper Montane Atlantic Forest and a grassland in Atlantic Forest Biome. The enchytraeid density in Pasture and Cerradao was 2,036 and 18,844 (204 and 2,094, on average) individuals per square meter, respectively. At the Atlantic forest and Grassland, density was 9,666 and 12,242 individuals per square meter (1,075 and 1,471 on average). About genus composition for the studied areas, Enchytraeus and Hemienchytraeus were found in the four ecosystems evaluated, while Tupidrilus and Fridericia were found only in Cerradão and Atlantic Forest, respectively. Achaeta was absent in Upper Montane Atlantic Forest, but dominant in pasture, while Guaranidrilus was absent in Pasture, but predominant in the other ecosystems
Palavras-Chave:  Composição do solo; Enquitreídeo; Mata Atlântica.
Thesagro:  Cerrado; Minhoca; Solo.
Categoria do assunto:  --
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1148938/1/Cintia-Niva-first-record.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Cerrados (CPAC)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status
CPAC37435 - 1UPCAP - DDDIGITALDIGITAL
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