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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
09/01/2018 |
Data da última atualização: |
10/01/2018 |
Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
Autoria: |
FONSECA, N.; CASTRO NETO, M. T. de; CUNHA, G. A. P. da. |
Afiliação: |
NELSON FONSECA, CNPMF; MANOEL TEIXEIRA DE CASTRO NETO; GETÚLIO AUGUSTO PINTO DA CUNHA. |
Título: |
Implantação do pomar. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
In: MATOS, A. P. de (Ed.). Manga: produção: aspectos técnicos 2. ed. rev. e atual. Brasília, DF : Embrapa, 2017. il. color. (Embrapa. Frutas do Brasil; 4). |
Idioma: |
Português |
Thesagro: |
Manga; Pomar. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00527naa a2200157 a 4500 001 2084790 005 2018-01-10 008 2017 bl uuuu u00u1 u #d 100 1 $aFONSECA, N. 245 $aImplantação do pomar.$h[electronic resource] 260 $c2017 650 $aManga 650 $aPomar 700 1 $aCASTRO NETO, M. T. de 700 1 $aCUNHA, G. A. P. da 773 $tIn: MATOS, A. P. de (Ed.). Manga: produção: aspectos técnicos 2. ed. rev. e atual. Brasília, DF : Embrapa, 2017. il. color. (Embrapa. Frutas do Brasil; 4).
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Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
15/10/2019 |
Data da última atualização: |
15/10/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
SILVA, P. P. dos S.; SOUSA, M. B. e; OLIVEIRA, E. J. de. |
Afiliação: |
PRISCILA PATRÍCIA DOS SANTOS SILVA, UFRB; MASSAINE BANDEIRA E SOUSA, UFRB; EDER JORGE DE OLIVEIRA, CNPMF. |
Título: |
Prediction models and selection of agronomic and physiological traits for tolerance to water deficit in cassava. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Euphytica, v.215, n.73, 2019. |
ISSN: |
1573-5060 |
DOI: |
https://doi.org/10.1007/s10681-019-2399-0(0123456789().,-volV()0123456789().,-volV) |
Idioma: |
Inglês |
Conteúdo: |
The development of efficient and accurate strategies for evaluating and predicting the root yield of cassava (Manihot esculenta Crantz) can reduce the effort and time spent on phenotyping complex traits associated with productivity and abiotic stress. The objective of this study was to select phenotypic traits that are highly associated with fresh root yield (FRY) as well as to establish a prediction model of the performance of genotypes under water deficit conditions. A total of 49 cassava genotypes were evaluated in a complete randomized block design, with three replications and two water conditions: well-watered (control-WW) and water deficit. The physiological and agronomic traits were divided into three groups: Phys (all physiological traits); Phys?+?ShY (all physiological traits, with addition of shoot yield) and Phys?+?Agro (all physiological and agronomic traits). They were evaluated using six different predictive models: classification and regression trees, artificial neural network, support vector machines, extreme learning machine (ELM), generalized linear model with stepwise feature selection (GLMSS) and partial least squares (PLS). These same groups, but reduced to only the most important predictive traits, were also analyzed. The most important traits for predicting FRY were number of roots per plant, leaf area index, number of leaves measured in the eighth month, and shoot yield. The selection of the most important traits resulted in the best adjustment of the models, with GLMSS, ELM, and PLS being the models that presented the highest reliability of prediction according to the values of r2?>?0.75 with RMSE ranging from 0.49 to 0.51. MenosThe development of efficient and accurate strategies for evaluating and predicting the root yield of cassava (Manihot esculenta Crantz) can reduce the effort and time spent on phenotyping complex traits associated with productivity and abiotic stress. The objective of this study was to select phenotypic traits that are highly associated with fresh root yield (FRY) as well as to establish a prediction model of the performance of genotypes under water deficit conditions. A total of 49 cassava genotypes were evaluated in a complete randomized block design, with three replications and two water conditions: well-watered (control-WW) and water deficit. The physiological and agronomic traits were divided into three groups: Phys (all physiological traits); Phys?+?ShY (all physiological traits, with addition of shoot yield) and Phys?+?Agro (all physiological and agronomic traits). They were evaluated using six different predictive models: classification and regression trees, artificial neural network, support vector machines, extreme learning machine (ELM), generalized linear model with stepwise feature selection (GLMSS) and partial least squares (PLS). These same groups, but reduced to only the most important predictive traits, were also analyzed. The most important traits for predicting FRY were number of roots per plant, leaf area index, number of leaves measured in the eighth month, and shoot yield. The selection of the most important traits resulted in the best adjustment of the... Mostrar Tudo |
Thesagro: |
Mandioca. |
Thesaurus NAL: |
Cassava. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02318naa a2200193 a 4500 001 2113130 005 2019-10-15 008 2019 bl uuuu u00u1 u #d 022 $a1573-5060 024 7 $ahttps://doi.org/10.1007/s10681-019-2399-0(0123456789().,-volV()0123456789().,-volV)$2DOI 100 1 $aSILVA, P. P. dos S. 245 $aPrediction models and selection of agronomic and physiological traits for tolerance to water deficit in cassava.$h[electronic resource] 260 $c2019 520 $aThe development of efficient and accurate strategies for evaluating and predicting the root yield of cassava (Manihot esculenta Crantz) can reduce the effort and time spent on phenotyping complex traits associated with productivity and abiotic stress. The objective of this study was to select phenotypic traits that are highly associated with fresh root yield (FRY) as well as to establish a prediction model of the performance of genotypes under water deficit conditions. A total of 49 cassava genotypes were evaluated in a complete randomized block design, with three replications and two water conditions: well-watered (control-WW) and water deficit. The physiological and agronomic traits were divided into three groups: Phys (all physiological traits); Phys?+?ShY (all physiological traits, with addition of shoot yield) and Phys?+?Agro (all physiological and agronomic traits). They were evaluated using six different predictive models: classification and regression trees, artificial neural network, support vector machines, extreme learning machine (ELM), generalized linear model with stepwise feature selection (GLMSS) and partial least squares (PLS). These same groups, but reduced to only the most important predictive traits, were also analyzed. The most important traits for predicting FRY were number of roots per plant, leaf area index, number of leaves measured in the eighth month, and shoot yield. The selection of the most important traits resulted in the best adjustment of the models, with GLMSS, ELM, and PLS being the models that presented the highest reliability of prediction according to the values of r2?>?0.75 with RMSE ranging from 0.49 to 0.51. 650 $aCassava 650 $aMandioca 700 1 $aSOUSA, M. B. e 700 1 $aOLIVEIRA, E. J. de 773 $tEuphytica$gv.215, n.73, 2019.
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