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Registros recuperados : 50 | |
Registros recuperados : 50 | |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
22/10/2007 |
Data da última atualização: |
19/01/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
ARAÚJO, L. G. de; PRABHU, A. S.; SILVA, G. B. da. |
Afiliação: |
LEILA GARCÊS DE ARAÚJO, Uni-Anhanguera, Goiânia; ANNE SITARAMA PRABHU, CNPAF; GISELE BARATA DA SILVA, Universidade Federal de Viçosa, MG. |
Título: |
Field and greenhouse inoculation methods for assessment of sheath blight resistance in rice. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 7, n. 2, p. 222-225, June 2007. |
Idioma: |
Inglês |
Notas: |
Nota técnica. |
Conteúdo: |
Field and greenhouse inoculation methods were compared to determine the genetic variation for resistance to Rhizoctonia solani in 38 somaclones of rice cultivar Metica-1. Rice plants in pots were inoculated with isolate 4F1 at the age of sixty four days, with 2.0 g of the fungal culture, multiplied on rice grain and hull medium and placed on the soil surface around the plant. The differences among somaclones in relation to lesion height were significant and varied from 6.5 to 15.5 cm. In the field trial of artificial inoculation with fungal culture, 52 days after planting, the lesion height varied from 6.2 to 17.7 cm. The correlation between disease severity in the greenhouse and the field was positive and highly significant (r=0.44; P< 0.01), indicating the greenhouse inoculation as a safe method for screening germplasm for sheath blight resistance. |
Palavras-Chave: |
Avaliação de doença; Casa de vegetação; Queima de bainha; Somaclones. |
Thesagro: |
Agricultura; Arroz; Biotecnologia; Genética; Inoculação; Oryza Sativa; Resistência; Rhizoctonia Solani. |
Thesaurus NAL: |
rice. |
Categoria do assunto: |
G Melhoramento Genético H Saúde e Patologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/30633/1/CBABv7n2Araujo.pdf
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Marc: |
LEADER 01736naa a2200313 a 4500 001 1215830 005 2024-01-19 008 2007 bl uuuu u00u1 u #d 100 1 $aARAÚJO, L. G. de 245 $aField and greenhouse inoculation methods for assessment of sheath blight resistance in rice. 260 $c2007 500 $aNota técnica. 520 $aField and greenhouse inoculation methods were compared to determine the genetic variation for resistance to Rhizoctonia solani in 38 somaclones of rice cultivar Metica-1. Rice plants in pots were inoculated with isolate 4F1 at the age of sixty four days, with 2.0 g of the fungal culture, multiplied on rice grain and hull medium and placed on the soil surface around the plant. The differences among somaclones in relation to lesion height were significant and varied from 6.5 to 15.5 cm. In the field trial of artificial inoculation with fungal culture, 52 days after planting, the lesion height varied from 6.2 to 17.7 cm. The correlation between disease severity in the greenhouse and the field was positive and highly significant (r=0.44; P< 0.01), indicating the greenhouse inoculation as a safe method for screening germplasm for sheath blight resistance. 650 $arice 650 $aAgricultura 650 $aArroz 650 $aBiotecnologia 650 $aGenética 650 $aInoculação 650 $aOryza Sativa 650 $aResistência 650 $aRhizoctonia Solani 653 $aAvaliação de doença 653 $aCasa de vegetação 653 $aQueima de bainha 653 $aSomaclones 700 1 $aPRABHU, A. S. 700 1 $aSILVA, G. B. da 773 $tCrop Breeding and Applied Biotechnology$gv. 7, n. 2, p. 222-225, June 2007.
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Embrapa Arroz e Feijão (CNPAF) |
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