| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Cerrados; Embrapa Clima Temperado. |
|
Data corrente: |
11/05/1995 |
|
Data da última atualização: |
19/04/2007 |
|
Autoria: |
SPEHAR, C. R. |
|
Título: |
Screening maturity groups "OO" and "O" of the U.S. world soybean collection for germination at 10 C, and field evaluation of selected lines. |
|
Ano de publicação: |
1977 |
|
Fonte/Imprenta: |
Madison: University of Wisconsin, 1977. |
|
Páginas: |
93 p. |
|
Idioma: |
Inglês |
|
Notas: |
Tese Mestrado. |
|
Conteúdo: |
The culture of many tropical or subtropical crops has been expanded into the cooler climates or higher latitudes by developing cultivars that either tolerate cooler temperatures or avoid them by utilizing only a short, warm growing season. Soybeans are one crop wich originated in warm climates but have been adapted to grow in more temperatue regions. Because they are not very tolerant of cool temperatures, planting in the northern U. S. is customarily delayed until a soil temperature of 10C is reached. This delay in planting reduces the period of vegetative growth and, consequently, limits the ability of the plant to produce grain yield. The soybean plant is especially sensitive to daylenght so that cultivars are adapted to relatively narrow zones of latitude. In the U. S., these zones are refference to as maturity groupings, and ten of these maturity zones have been delimited. Group "00" is the classification for the zone in the northern U. S. which will have the shortest growing season but the longest daylenght during the season. Group VIII is the southernmost region of the northern groups will flower and mature too early is planted in the south, while southern cultivars planted in the north flower too late to produce a crop of grain before the freezing temperatures of fall. The specific objectives of this study were to: 1) screen the U. S. World Collection of Group "00" and Goup "0" maturity for their ability to germinate under the cool temperature of 10C; 2) evaluate the relative performance of lines which germinated most rapidly at 10C and those which germinated most slowly, by planting them in the field at early and normal dates, and 3) compare the tolerance to drought stress of fast germinating and slow germinating lines by using differential irrigation of a droughty soil. MenosThe culture of many tropical or subtropical crops has been expanded into the cooler climates or higher latitudes by developing cultivars that either tolerate cooler temperatures or avoid them by utilizing only a short, warm growing season. Soybeans are one crop wich originated in warm climates but have been adapted to grow in more temperatue regions. Because they are not very tolerant of cool temperatures, planting in the northern U. S. is customarily delayed until a soil temperature of 10C is reached. This delay in planting reduces the period of vegetative growth and, consequently, limits the ability of the plant to produce grain yield. The soybean plant is especially sensitive to daylenght so that cultivars are adapted to relatively narrow zones of latitude. In the U. S., these zones are refference to as maturity groupings, and ten of these maturity zones have been delimited. Group "00" is the classification for the zone in the northern U. S. which will have the shortest growing season but the longest daylenght during the season. Group VIII is the southernmost region of the northern groups will flower and mature too early is planted in the south, while southern cultivars planted in the north flower too late to produce a crop of grain before the freezing temperatures of fall. The specific objectives of this study were to: 1) screen the U. S. World Collection of Group "00" and Goup "0" maturity for their ability to germinate under the cool temperature of 10C; 2) evaluate the... Mostrar Tudo |
|
Palavras-Chave: |
Avaliacao; Colecao. |
|
Thesagro: |
Cerrado; Germinação; Melhoramento; Soja; Temperatura. |
|
Thesaurus Nal: |
germination; soybeans; temperature. |
|
Categoria do assunto: |
-- |
|
Marc: |
LEADER 02506nam a2200253 a 4500
001 1557527
005 2007-04-19
008 1977 bl uuuu m 00u1 u #d
100 1 $aSPEHAR, C. R.
245 $aScreening maturity groups "OO" and "O" of the U.S. world soybean collection for germination at 10 C, and field evaluation of selected lines.
260 $aMadison: University of Wisconsin$c1977
300 $a93 p.
500 $aTese Mestrado.
520 $aThe culture of many tropical or subtropical crops has been expanded into the cooler climates or higher latitudes by developing cultivars that either tolerate cooler temperatures or avoid them by utilizing only a short, warm growing season. Soybeans are one crop wich originated in warm climates but have been adapted to grow in more temperatue regions. Because they are not very tolerant of cool temperatures, planting in the northern U. S. is customarily delayed until a soil temperature of 10C is reached. This delay in planting reduces the period of vegetative growth and, consequently, limits the ability of the plant to produce grain yield. The soybean plant is especially sensitive to daylenght so that cultivars are adapted to relatively narrow zones of latitude. In the U. S., these zones are refference to as maturity groupings, and ten of these maturity zones have been delimited. Group "00" is the classification for the zone in the northern U. S. which will have the shortest growing season but the longest daylenght during the season. Group VIII is the southernmost region of the northern groups will flower and mature too early is planted in the south, while southern cultivars planted in the north flower too late to produce a crop of grain before the freezing temperatures of fall. The specific objectives of this study were to: 1) screen the U. S. World Collection of Group "00" and Goup "0" maturity for their ability to germinate under the cool temperature of 10C; 2) evaluate the relative performance of lines which germinated most rapidly at 10C and those which germinated most slowly, by planting them in the field at early and normal dates, and 3) compare the tolerance to drought stress of fast germinating and slow germinating lines by using differential irrigation of a droughty soil.
650 $agermination
650 $asoybeans
650 $atemperature
650 $aCerrado
650 $aGerminação
650 $aMelhoramento
650 $aSoja
650 $aTemperatura
653 $aAvaliacao
653 $aColecao
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Cerrados (CPAC) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Solos. |
|
Data corrente: |
05/03/2010 |
|
Data da última atualização: |
15/04/2024 |
|
Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
|
Autoria: |
FIDALGO, E. C. C.; COSTA, D. P. da; ESBÉRARD, C. E. L.; PAZ, R. C. da; DIAS, J. B.; PERES, W. R. |
|
Afiliação: |
ELAINE CRISTINA CARDOSO FIDALGO, CNPS; DENISE PINHEIRO DA COSTA, INSTITUTO DE PESQUISAS JARDIM BOTÂNICO DO RIO DE JANEIRO; CARLOS EDUARDO L. ESBÉRARD, UNIVERSIDADE FEDERAL RURAL DO RIO DE JANEIRO; RICARDO CAMPOS DA PAZ, UNIVERSIDADE FEDERAL DO ESTADO DO RIO DE JANEIRO; JOÃO BATISTA DIAS, INSTITUTO ESTADUAL DO AMBIENTE; WALDIR RUGERO PERES, AGÊNCIA METROPOLITANA DE TRANSPORTES URBANOS. |
|
Título: |
Região serrana de economia agropecuária. |
|
Ano de publicação: |
2009 |
|
Fonte/Imprenta: |
In: BERGALLO, H. de G.; FIDALGO, E. C. C.; ROCHA, C. F. D.; UZEDA, M. C.; COSTA, M. B.; ALVES, M. A. S.; VAN SLUYS, M.; SANTOS, M. A.; COSTA, T. C. e C. da; COZZOLINO, A. C. R. (org.). Estratégias e ações para a conservação da biodiversidade no estado do Rio de Janeiro. Rio de Janeiro: Instituto Biomas, 2009. cap. 22, p. 287-292. |
|
Idioma: |
Português |
|
Conteúdo: |
Na Região Serrana de Economia Agropecuária predominam atividades primárias de baixa produtividade, merecendo destaque a olericultura, no Município de Sumidouro. Ressalta-se também o pólo cimenteiro de Cantagalo e a produção de acessórios para o Arranjo Produtivo Local de Moda Íntima (núcleo em Nova Friburgo) em Duas Barras e Cordeiro. Os municípios de Santa Maria Madalena e Trajano de Morais, limítrofes à Região de Petróleo e Gás Natural, começam a apresentar sinais de expansão do setor de segunda moradia, para atender segmentos de renda mais elevada dessa região, principalmente de Macaé. |
|
Thesagro: |
Biodiversidade; Conservação. |
|
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
|
Marc: |
LEADER 01461naa a2200205 a 4500
001 1660043
005 2024-04-15
008 2009 bl uuuu u00u1 u #d
100 1 $aFIDALGO, E. C. C.
245 $aRegião serrana de economia agropecuária.$h[electronic resource]
260 $c2009
520 $aNa Região Serrana de Economia Agropecuária predominam atividades primárias de baixa produtividade, merecendo destaque a olericultura, no Município de Sumidouro. Ressalta-se também o pólo cimenteiro de Cantagalo e a produção de acessórios para o Arranjo Produtivo Local de Moda Íntima (núcleo em Nova Friburgo) em Duas Barras e Cordeiro. Os municípios de Santa Maria Madalena e Trajano de Morais, limítrofes à Região de Petróleo e Gás Natural, começam a apresentar sinais de expansão do setor de segunda moradia, para atender segmentos de renda mais elevada dessa região, principalmente de Macaé.
650 $aBiodiversidade
650 $aConservação
700 1 $aCOSTA, D. P. da
700 1 $aESBÉRARD, C. E. L.
700 1 $aPAZ, R. C. da
700 1 $aDIAS, J. B.
700 1 $aPERES, W. R.
773 $tIn: BERGALLO, H. de G.; FIDALGO, E. C. C.; ROCHA, C. F. D.; UZEDA, M. C.; COSTA, M. B.; ALVES, M. A. S.; VAN SLUYS, M.; SANTOS, M. A.; COSTA, T. C. e C. da; COZZOLINO, A. C. R. (org.). Estratégias e ações para a conservação da biodiversidade no estado do Rio de Janeiro. Rio de Janeiro: Instituto Biomas, 2009. cap. 22, p. 287-292.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Solos (CNPS) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
