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Alternaria brown spot

RESISTANCE TO ALTERNARIA BROWN SPOT OF NEW CITRUS HYBRIDS

RESISTANCE TO ALTERNARIA BROWN SPOT OF NEW CITRUS HYBRIDS

... ABSTRACT- Alternaria brown spot (ABS) disease is caused by the fungus of Alternaria alternata f. sp. citri, which causes injury in leaves, branches and fruits of citrus. The action of the ...

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Escala diagramática para avaliação da mancha marrom de alternaria de citros.

Escala diagramática para avaliação da mancha marrom de alternaria de citros.

... A diagrammatic scale of Alternaria Brown Spot in citrus was developed in order to standardize disease severity assessments. The scale was built taking into consideration the distribution, shape and ...

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Plant material A total of 31 genotypes of tangerines and their hy- brids (Table 1) were evaluated for susceptibility to Al-

Plant material A total of 31 genotypes of tangerines and their hy- brids (Table 1) were evaluated for susceptibility to Al-

... by Alternaria alternata, Alternaria brown spot (ABS) is a major fungal disease of mandarins in Brazil, causing serious losses in commercial orchards of Ponkan tangerine (Citrus reticulata ...

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UNIVERSIDADE FEDERAL DE SÃO CARLOS CENTRO DE CIÊNCIAS AGRÁRIAS PROGRAMA DE PÓS-GRADUAÇÃO EM AGROECOLOGIA E DESENVOLVIMENTO RURAL

UNIVERSIDADE FEDERAL DE SÃO CARLOS CENTRO DE CIÊNCIAS AGRÁRIAS PROGRAMA DE PÓS-GRADUAÇÃO EM AGROECOLOGIA E DESENVOLVIMENTO RURAL

... The alternaria brown spot, caused by Alternaria alternata f sp. citri, causes large economic damages in tangor Murcott (Citrus sinensis Osbeck x Citrus reticulata [L.] Blanco). Its control is ...

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Produção de inóculo de Alternaria cassiae.

Produção de inóculo de Alternaria cassiae.

... fungus Alternaria cassiae, selected as a biological control agent for sicklepod (Senna obtusifolia) was studied under different culture media and mycelial growth ...

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Review of the genera Stenopyrgota Malloch and Tropidothrinax Enderlein (Diptera, Pyrgotidae)

Review of the genera Stenopyrgota Malloch and Tropidothrinax Enderlein (Diptera, Pyrgotidae)

... yellowish brown; submesal stripe, ante- rior and posterior dorsocentral stripes discretely brownish; thoracic setae absent; pleura yellowish brown to brown; postscutellum slightly ...Wing: ...

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CITRONELLA ESSENTIAL OIL IN THE CONTROL AND ACTIVATION OF COFFEE PLANTS DEFENSE RESPONSE AGAINST RUST AND BROWN EYE SPOT

CITRONELLA ESSENTIAL OIL IN THE CONTROL AND ACTIVATION OF COFFEE PLANTS DEFENSE RESPONSE AGAINST RUST AND BROWN EYE SPOT

... Recently, Pereira et al., (2012) investigated the potential of citronella essential oil and others in control of coffee rust in different cultivars of coffee. The authors observed that essential oils had a direct toxic ...

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A new genus and nine new species of Neotropical spittlebugs (Hemiptera, Cercopidae, Tomaspidinae)

A new genus and nine new species of Neotropical spittlebugs (Hemiptera, Cercopidae, Tomaspidinae)

... Reddish brown, darker on dorsum. Fore wings (Fig. 4) with a very narrow yellow band across wing from apex of clavus, broadening at costal margin. Pygofer process robust strongly curved ventrally; subgenital plate ...

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EVALUATION OF TAXO-CHEMICAL STANDARDIZATION AND QUALITY CONTROL PARAMETERS OF PEPEROMIA PELLUCIDA (FAMILY: PIPERACEAE):  A MULTI VALUABLE MEDICINAL HERB

EVALUATION OF TAXO-CHEMICAL STANDARDIZATION AND QUALITY CONTROL PARAMETERS OF PEPEROMIA PELLUCIDA (FAMILY: PIPERACEAE): A MULTI VALUABLE MEDICINAL HERB

... spikes of minute creamy white flowers and maturing gradually from the base to the tip; turning brown when ripe. The fruits are also tiny, dot like smooth, oval or round to oblong, ridged, first green later black. ...

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Silicon and Rice Disease Management

Silicon and Rice Disease Management

... The element silicon (Si) is not considered an essential nutrient for plant function. Nevertheless, Si is absorbed from soil in large amounts that are several fold higher than those of other essential macronutrients in ...

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Seven new species of Latonigena (Araneae, Gnaphosidae) from South America

Seven new species of Latonigena (Araneae, Gnaphosidae) from South America

... chelicerae brown, coxae beige, leg articles brown, patella of legs III and IV ...AP brown. Abdomen, ventral: EA and PEA light beige, VA with olive-brown borders and light-beige at middle, PA ...

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Patogenicidade de Alternaria helianthi (Hansf.) e Alternaria zinniae (Pape) ao girassol a partir de sementes.

Patogenicidade de Alternaria helianthi (Hansf.) e Alternaria zinniae (Pape) ao girassol a partir de sementes.

... Para este estudo com as duas espécies de Alternaria foi usada a cultivar IAC Anhandy que é susceptível aos dois patógenos em condições de campo. Foram comparados dois métodos de inoculação: (1) imersão de ...

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Effect of silicon sources on rice diseases and yield in the State of Tocantins, Brazil

Effect of silicon sources on rice diseases and yield in the State of Tocantins, Brazil

... of brown spot (Bs) and the incidence of panicle blast (Pb) significantly decreased with increasing doses of calcium silicate application (Figure ...of brown spot and leaf blast as well as the ...

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Testers for combining ability and selection of papaya hybrids resistant to fungal diseases

Testers for combining ability and selection of papaya hybrids resistant to fungal diseases

... black spot, phoma spot and chocolate ...phoma spot and black spot on leaves and the lesion area of black spot and chocolate spot on fruits were evaluated in two ...

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Requisitos nutricionais para o fungo Alternaria alternata.

Requisitos nutricionais para o fungo Alternaria alternata.

... O fungo Alternaria sp. tem sido encontrado como organismos saprófitas ou parasitas de plantas. É descrito como tendo um crescimento lento e baixa esporulação em meios de cultura convencionais. A linhagem ALT A de ...

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Revision of the New World bee fly genus Heterostylum Macquart (Diptera, Bombyliidae, Bombyliinae)

Revision of the New World bee fly genus Heterostylum Macquart (Diptera, Bombyliidae, Bombyliinae)

... light brown and gray pollinose, with yellowish-brown hairs; ocellar tubercle dark brown and gray pollinose, with sparse yellowish-brown bristles; face with yellow hairs, smoothly projected; ...

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Proteomic analysis of carbon concentrating chemolithotrophic bacteria Serratia sp. for sequestration of carbon dioxide.

Proteomic analysis of carbon concentrating chemolithotrophic bacteria Serratia sp. for sequestration of carbon dioxide.

... The data of study showed increased expression levels of propionyl-CoA carboxylase (spot 32), shikimate-5-dehydrogenase (spot 34), glutamate synthase (spot 35), branched-chain alpha-keto acid ...

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Caracterização de isolados de Alternaria e reação de genótipos de batata à pinta preta Thayssa Vilela Miguel AlvarengaI Silvia Regina Rodrigues de Paula RibeiroI Elaine Aparecida de SouzaI Francielly de Cássia PereiraI César Augusto Brasil Pereira PintoI

Caracterização de isolados de Alternaria e reação de genótipos de batata à pinta preta Thayssa Vilela Miguel AlvarengaI Silvia Regina Rodrigues de Paula RibeiroI Elaine Aparecida de SouzaI Francielly de Cássia PereiraI César Augusto Brasil Pereira PintoI

... vitro, foram inoculadas com os isolados de Alternaria spp., incubadas e classificadas quanto à severidade. Os isolados de Alternaria spp. foram avaliados quanto ao índice de velocidade de crescimento ...

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Four new Mouse Spider species (Araneae, Mygalomorphae, Actinopodidae, Missulena) from Western Australia

Four new Mouse Spider species (Araneae, Mygalomorphae, Actinopodidae, Missulena) from Western Australia

... a brown body colour, strongly-sclerotised rastellum with thick spines, smooth and gla- brous chelicerae with prominent horizontal ridges and short claws ...

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Systematics of the Osteocephalus buckleyi species complex (Anura, Hylidae) from Ecuador and Peru

Systematics of the Osteocephalus buckleyi species complex (Anura, Hylidae) from Ecuador and Peru

... We suspect that the diiculty in deining species boundaries based on morphology arises from the high intraspeciic polymorphism in coloration characteristic of most groups of dull-colored Amazonian amphibians like ...

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