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| 85. |  | GALON, L.; FERNANDES, F. F.; ANDRES, A.; SILVA, A. F. da; FORTE, C. T. Selectivity and efficiency of herbicides in weed control on sweet sorghum. Pesquisa Agropecuária Tropical, Goiânia, v. 46, n. 2, p. 123-131, abr./jun. 2016.| Biblioteca(s): Embrapa Clima Temperado; Embrapa Milho e Sorgo. |
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| 87. | | SCHERNER, A.; SCHREIBER, F.; ANDRES, A.; CONCENCO, G.; MARTINS, M. B.; PITOL, A. Rice Crop Rotation: a solution for weed management. In: SHAH, F.; KHAN, H.; IQBAL, A. (ed.). Rice crop: current developments. [Rijeka]: InTech, 2018. cap. 6, p. 83-98. Disponível em: www.intechopen.com/books/6366 Acesso em: 14 nov. 2018.| Biblioteca(s): Embrapa Clima Temperado. |
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| 89. | | ANDRES, A.; THEISEN, G.; RIEFFEL FILHO, J.; HOFFMAN, D.; BUTOW, G.; PRIMIO, P. di. Épocas de controle de angiquinho em arroz irrigado. In: CONGRESSO BRASILEIRO DE ARROZ IRRIGADO, 5.; REUNIÃO DA CULTURA DO ARROZ IRRIGADO, 27., 2007, Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2007. v. 2, p. 313-314| Biblioteca(s): Embrapa Clima Temperado. |
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| 91. | | ALVES, Y. S.; MOISINHO, I. S.; MARTINS, M. B.; SCHREIBER, F.; ANDRES, A. Efeito do tratamento químico e períodos de armazenamento de sementes sobre a germinação do arroz. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA E PÓS-GRADUAÇÃO DA EMBRAPA CLIMA TEMPERADO, 6., 2016, Pelotas. Ciência: Empreendedorismo e inovação: anais. Brasília, DF: Embrapa, 2016. 168-170| Biblioteca(s): Embrapa Clima Temperado. |
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| 98. | | CONCENCO, G.; SILVA, C. J. da; TOMAZI, M.; CORREIA, I. V. T.; ANDRES, A. Infestation of weed species in pre-planting of soybean in succession to winter crops. Planta Daninha, Viçosa, mg, v. 31, n. 3, p. 551-558, 2013.| Biblioteca(s): Embrapa Agropecuária Oeste; Embrapa Clima Temperado. |
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| 99. | | CHIAPINOTTO, D. M.; SCHAEDLER, C. E.; FERNANDES, J. P. S.; ANDRES, A.; LAMEGO, F. P. Cross-resistance of rice flatsedge to ALS-inhibiting herbicides. Planta Daninha, Viçosa, MG, v. 35, 30 out. 2017, 2017 e017166827.| Biblioteca(s): Embrapa Clima Temperado. |
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Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
06/11/2017 |
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Data da última atualização: |
14/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
OLIVEIRA, E. J. de; OLIVEIRA, S. A. S. de; VILAS BOAS, S. A.; HOHENFELD, C. S.; SANTOS, V. da S. |
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Afiliação: |
EDER JORGE DE OLIVEIRA, CNPMF; SAULO ALVES SANTOS DE OLIVEIRA, CNPMF; SANDIELLE ARAÚJO VILAS BOAS, UFRB; CAMILA SANTIAGO HOHENFELD, UFRB; VANDERLEI DA SILVA SANTOS, CNPMF. |
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Título: |
Selection of cassava accessions with multiple resistance to pathogens associated with root rot disease. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Euphytica, p. 213:185, 2017. |
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ISSN: |
1573-5060 |
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Idioma: |
Inglês |
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Conteúdo: |
Cassava root rot disease (CRRD) severely affects productivity in several countries. The objective of this study was to estimate genetic parameters and to identify multiple resistance sources against pathogens associated with CRRD. The symptoms caused by Fusarium spp., Phytophthora spp., and Botryosphaeriaceae species in peel and pulp from the roots were evaluated in 277 accessions using a whole tuberous root inoculation method. The resistance data were obtained by REML/BLUP (restricted maximum likelihood/best linear unbiased predictor). The classic selection index (CI), multiplicative (MI), and sum of ranks (SRI) were used to identify the accessions with multiple resistance. For all pathogens, the environmental variance (r2e) was the most important component. Individual heritability h2g was of low magnitude for resistance to most pathogens (0.16 ±0.02?peel and 0.31 ± 0.03?pulp for Fusarium spp.; 0.26 ± 0.03?peel and 0.30 ± 0.03?pulp for Phytophthora spp.; and 0.28 ± 0.03?peel and 0.27 ± 0.03?pulp for Botryosphaereacea species). The distribution of CRRD symptoms indicated the presence of quantitative inheritance. The direct selection of the 15 more resistant accessions based on the genotypic predicted values result in high reductions of disease ([50%). However, there was a low matching rate of the most resistant accessions for each pathogen and the different parts of the tuberous roots (peel and pulp). The CI and MI were the most promising compared to the SRI to ensure high and balanced resistance for each pathogen. Understanding the genetic basis of resistance to CRRD and the identification of sources with multiple resistance may be useful in various management strategies to control the disease. MenosCassava root rot disease (CRRD) severely affects productivity in several countries. The objective of this study was to estimate genetic parameters and to identify multiple resistance sources against pathogens associated with CRRD. The symptoms caused by Fusarium spp., Phytophthora spp., and Botryosphaeriaceae species in peel and pulp from the roots were evaluated in 277 accessions using a whole tuberous root inoculation method. The resistance data were obtained by REML/BLUP (restricted maximum likelihood/best linear unbiased predictor). The classic selection index (CI), multiplicative (MI), and sum of ranks (SRI) were used to identify the accessions with multiple resistance. For all pathogens, the environmental variance (r2e) was the most important component. Individual heritability h2g was of low magnitude for resistance to most pathogens (0.16 ±0.02?peel and 0.31 ± 0.03?pulp for Fusarium spp.; 0.26 ± 0.03?peel and 0.30 ± 0.03?pulp for Phytophthora spp.; and 0.28 ± 0.03?peel and 0.27 ± 0.03?pulp for Botryosphaereacea species). The distribution of CRRD symptoms indicated the presence of quantitative inheritance. The direct selection of the 15 more resistant accessions based on the genotypic predicted values result in high reductions of disease ([50%). However, there was a low matching rate of the most resistant accessions for each pathogen and the different parts of the tuberous roots (peel and pulp). The CI and MI were the most promising compared to the SRI to ensure high a... Mostrar Tudo |
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Thesagro: |
Mandioca. |
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Thesaurus NAL: |
Cassava. |
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Categoria do assunto: |
-- |
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Marc: |
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022 $a1573-5060
100 1 $aOLIVEIRA, E. J. de
245 $aSelection of cassava accessions with multiple resistance to pathogens associated with root rot disease.$h[electronic resource]
260 $c2017
520 $aCassava root rot disease (CRRD) severely affects productivity in several countries. The objective of this study was to estimate genetic parameters and to identify multiple resistance sources against pathogens associated with CRRD. The symptoms caused by Fusarium spp., Phytophthora spp., and Botryosphaeriaceae species in peel and pulp from the roots were evaluated in 277 accessions using a whole tuberous root inoculation method. The resistance data were obtained by REML/BLUP (restricted maximum likelihood/best linear unbiased predictor). The classic selection index (CI), multiplicative (MI), and sum of ranks (SRI) were used to identify the accessions with multiple resistance. For all pathogens, the environmental variance (r2e) was the most important component. Individual heritability h2g was of low magnitude for resistance to most pathogens (0.16 ±0.02?peel and 0.31 ± 0.03?pulp for Fusarium spp.; 0.26 ± 0.03?peel and 0.30 ± 0.03?pulp for Phytophthora spp.; and 0.28 ± 0.03?peel and 0.27 ± 0.03?pulp for Botryosphaereacea species). The distribution of CRRD symptoms indicated the presence of quantitative inheritance. The direct selection of the 15 more resistant accessions based on the genotypic predicted values result in high reductions of disease ([50%). However, there was a low matching rate of the most resistant accessions for each pathogen and the different parts of the tuberous roots (peel and pulp). The CI and MI were the most promising compared to the SRI to ensure high and balanced resistance for each pathogen. Understanding the genetic basis of resistance to CRRD and the identification of sources with multiple resistance may be useful in various management strategies to control the disease.
650 $aCassava
650 $aMandioca
700 1 $aOLIVEIRA, S. A. S. de
700 1 $aVILAS BOAS, S. A.
700 1 $aHOHENFELD, C. S.
700 1 $aSANTOS, V. da S.
773 $tEuphytica, p. 213:185, 2017.
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