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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroenergia. Para informações adicionais entre em contato com biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agroenergia. |
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Data corrente: |
06/07/2017 |
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Data da última atualização: |
15/01/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
TEODORO, P. E.; RODRIGUES, E. V.; PEIXOTO, L. de A.; LAVIOLA, B. G.; BHERING, L. L. |
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Afiliação: |
PAULO EDUARDO TEODORO; ERINA VITÓRIO RODRIGUES; LEONARDO DE AZEVEDO PEIXOTO; BRUNO GALVEAS LAVIOLA, CNPAE; LEONARDO LOPES BHERING. |
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Título: |
Diallel analysis in agronomic traits of Jatropha. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 17, p. 253-259, 2017. |
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DOI: |
10.1590/1984-70332017v17n3a39 |
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Idioma: |
Inglês |
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Conteúdo: |
The objectives of this study were to estimate the general and specific combining ability of the parents, and to verify the existence of maternal effect and inbreeding depression in Jatropha. The experiment was carried out from 2010 to 2015, in the municipality of Planaltina, Distrito Federal. The following traits were evaluated: plant height, stem diameter, canopy projection between the row, canopy projection on the row, number of branches, mass of one hundred grains, and grain yield. Cytoplasmic effects and effects of female parent nuclear genes were observed for all traits. Dominance effects were predominant in the genetic control of all traits. Genotypes 107 and 190 were the superior parents for the reduction of the size, and for the increase of grain yield. No inbreeding depression was observed for grain yield. The most promising crosses for the conduction of segregating populations and increment in grain yield were 190x107, 107x190 and 259x107. |
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Palavras-Chave: |
Jatropha curcas L; Reciprocal effect. |
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Thesaurus Nal: |
inbreeding depression; quantitative genetics. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01649naa a2200229 a 4500
001 2072098
005 2018-01-15
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1590/1984-70332017v17n3a39$2DOI
100 1 $aTEODORO, P. E.
245 $aDiallel analysis in agronomic traits of Jatropha.$h[electronic resource]
260 $c2017
520 $aThe objectives of this study were to estimate the general and specific combining ability of the parents, and to verify the existence of maternal effect and inbreeding depression in Jatropha. The experiment was carried out from 2010 to 2015, in the municipality of Planaltina, Distrito Federal. The following traits were evaluated: plant height, stem diameter, canopy projection between the row, canopy projection on the row, number of branches, mass of one hundred grains, and grain yield. Cytoplasmic effects and effects of female parent nuclear genes were observed for all traits. Dominance effects were predominant in the genetic control of all traits. Genotypes 107 and 190 were the superior parents for the reduction of the size, and for the increase of grain yield. No inbreeding depression was observed for grain yield. The most promising crosses for the conduction of segregating populations and increment in grain yield were 190x107, 107x190 and 259x107.
650 $ainbreeding depression
650 $aquantitative genetics
653 $aJatropha curcas L
653 $aReciprocal effect
700 1 $aRODRIGUES, E. V.
700 1 $aPEIXOTO, L. de A.
700 1 $aLAVIOLA, B. G.
700 1 $aBHERING, L. L.
773 $tCrop Breeding and Applied Biotechnology$gv. 17, p. 253-259, 2017.
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Registro original: |
Embrapa Agroenergia (CNPAE) |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
13/12/2021 |
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Data da última atualização: |
13/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
DEMEU, F. A.; LOPES, M. A.; PALHARES, J. C. P.; LIMA, A. L. R. DE; CARVALHO, F. DE M.; LOPES FILHO, M. A.; DEMEU, A. A.; VIDAL, D. A.; LIMA, M. DE L.; BARBARI, M. |
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Afiliação: |
FABIANA ALVES DEMEU, IFRO; MARCOS AURÉLIO LOPES, UFLA; JULIO CESAR PASCALE PALHARES, CPPSE; ANDRÉ LUIS RIBEIRO DE LIMA, UFLA; FRANCISVAL DE MELO CARVALHO, UFLA; MARCOS AURÉLIO LOPES FILHO, USP; ANDRÉIA ALVES DEMEU, Self-employed Zootechnician, Porto Velho, RO; DOUGLAS ALVES VIDAL, Self-employed Agronomist, Lavras, MG; MARINA DE LUCA LIMA, Self-employed Veterinary Physician, Lavras, MG; MATTEO BARBARI, Università Degli Studi Di Firenze. |
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Título: |
Economic feasibility of implementing an infrastructure for collecting rainwater from the roof of free-stall sheds. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Semina, v.42, n.2, p.877-890, mar./abr. 2021. |
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ISSN: |
1679-0359 |
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DOI: |
10.5433/1679-0359.2021v42n2p877 |
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Idioma: |
Português |
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Conteúdo: |
This study aimed to analyze the economic feasibility of implementing and using the necessary infrastructure to collect rainwater from the roof of free-stall sheds in a dairy production system in southern Minas Gerais, Brazil. Specifically, the total cost (TC), total operating cost (TOC), and actual operating cost (AOC) of a cubic meter of rainwater and the break-even point in cubic meters were estimated. The research was conducted from January to December 2017 on a property located in the south of Minas Gerais. The following MOP scenarios were analyzed: most likely (Scenario 1), optimistic (scenario 2), and pessimistic (scenario 3). The grant value of the Das Velhas River basin was considered for the most likely scenario, as it has the most similar value with that of the basin surrounding the Furnas reservoir, in which the property is inserted. The grant value for water collection and consumption from the Paraíba River basin was considered in Scenario 2, as this Federal basin has the lowest grant value. The grant value for water collection and consumption from the Piracicaba, Jundiaí, and Capivari river basins was considered in Scenario 3, as these basins have the highest prices for the cubic meter of the collected and consumed water. The implementation of the infrastructure for collecting rainwater from the roof of free-stall sheds under the studied conditions was economically unfeasible for all scenarios, with negative net present values (NPV). Simple and discounted paybacks were longer than the proposed horizon. The internal rate of return (IRR) could not be estimated due to the negative values of the net cash flow. The benefit-cost ratios (BCR) were unsatisfactory (lower than 1). The TC values for rainwater collection from the roof of free-stall sheds were R$ 23,206.59 and R$ 20,489.25 for scenarios with interest rates of 8.50 and 6.99%, respectively, while the TOC value was R$ 7,850.30 for all analyzed scenarios. The unit values for TOC and AOC were R$ 9.9024/m3 and R$ 1.3060/m3 of collected water, respectively. The break-even point could not be estimated in the studied scenarios, as the variable cost per cubic meter of water collected from the roof of the free-stall shed was higher than the grant value charged by the water management committees of the different studied basins. MenosThis study aimed to analyze the economic feasibility of implementing and using the necessary infrastructure to collect rainwater from the roof of free-stall sheds in a dairy production system in southern Minas Gerais, Brazil. Specifically, the total cost (TC), total operating cost (TOC), and actual operating cost (AOC) of a cubic meter of rainwater and the break-even point in cubic meters were estimated. The research was conducted from January to December 2017 on a property located in the south of Minas Gerais. The following MOP scenarios were analyzed: most likely (Scenario 1), optimistic (scenario 2), and pessimistic (scenario 3). The grant value of the Das Velhas River basin was considered for the most likely scenario, as it has the most similar value with that of the basin surrounding the Furnas reservoir, in which the property is inserted. The grant value for water collection and consumption from the Paraíba River basin was considered in Scenario 2, as this Federal basin has the lowest grant value. The grant value for water collection and consumption from the Piracicaba, Jundiaí, and Capivari river basins was considered in Scenario 3, as these basins have the highest prices for the cubic meter of the collected and consumed water. The implementation of the infrastructure for collecting rainwater from the roof of free-stall sheds under the studied conditions was economically unfeasible for all scenarios, with negative net present values (NPV). Simple and discounted paybac... Mostrar Tudo |
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Palavras-Chave: |
Bovinocultura leiteira; Dairy cattle farming; Indicadores de rentabilidade; Profitability indicators; Reuse; Scenario analysis; Sustainability; Sustentabilidade. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/1137656/1/EconomicFeasibilityImplementing.pdf
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Marc: |
LEADER 03376naa a2200349 a 4500
001 2137656
005 2021-12-13
008 2021 bl uuuu u00u1 u #d
022 $a1679-0359
024 7 $a10.5433/1679-0359.2021v42n2p877$2DOI
100 1 $aDEMEU, F. A.
245 $aEconomic feasibility of implementing an infrastructure for collecting rainwater from the roof of free-stall sheds.$h[electronic resource]
260 $c2021
520 $aThis study aimed to analyze the economic feasibility of implementing and using the necessary infrastructure to collect rainwater from the roof of free-stall sheds in a dairy production system in southern Minas Gerais, Brazil. Specifically, the total cost (TC), total operating cost (TOC), and actual operating cost (AOC) of a cubic meter of rainwater and the break-even point in cubic meters were estimated. The research was conducted from January to December 2017 on a property located in the south of Minas Gerais. The following MOP scenarios were analyzed: most likely (Scenario 1), optimistic (scenario 2), and pessimistic (scenario 3). The grant value of the Das Velhas River basin was considered for the most likely scenario, as it has the most similar value with that of the basin surrounding the Furnas reservoir, in which the property is inserted. The grant value for water collection and consumption from the Paraíba River basin was considered in Scenario 2, as this Federal basin has the lowest grant value. The grant value for water collection and consumption from the Piracicaba, Jundiaí, and Capivari river basins was considered in Scenario 3, as these basins have the highest prices for the cubic meter of the collected and consumed water. The implementation of the infrastructure for collecting rainwater from the roof of free-stall sheds under the studied conditions was economically unfeasible for all scenarios, with negative net present values (NPV). Simple and discounted paybacks were longer than the proposed horizon. The internal rate of return (IRR) could not be estimated due to the negative values of the net cash flow. The benefit-cost ratios (BCR) were unsatisfactory (lower than 1). The TC values for rainwater collection from the roof of free-stall sheds were R$ 23,206.59 and R$ 20,489.25 for scenarios with interest rates of 8.50 and 6.99%, respectively, while the TOC value was R$ 7,850.30 for all analyzed scenarios. The unit values for TOC and AOC were R$ 9.9024/m3 and R$ 1.3060/m3 of collected water, respectively. The break-even point could not be estimated in the studied scenarios, as the variable cost per cubic meter of water collected from the roof of the free-stall shed was higher than the grant value charged by the water management committees of the different studied basins.
653 $aBovinocultura leiteira
653 $aDairy cattle farming
653 $aIndicadores de rentabilidade
653 $aProfitability indicators
653 $aReuse
653 $aScenario analysis
653 $aSustainability
653 $aSustentabilidade
700 1 $aLOPES, M. A.
700 1 $aPALHARES, J. C. P.
700 1 $aLIMA, A. L. R. DE
700 1 $aCARVALHO, F. DE M.
700 1 $aLOPES FILHO, M. A.
700 1 $aDEMEU, A. A.
700 1 $aVIDAL, D. A.
700 1 $aLIMA, M. DE L.
700 1 $aBARBARI, M.
773 $tSemina$gv.42, n.2, p.877-890, mar./abr. 2021.
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Embrapa Pecuária Sudeste (CPPSE) |
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