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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados; Embrapa Clima Temperado. |
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Data corrente: |
11/05/1995 |
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Data da última atualização: |
19/04/2007 |
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Autoria: |
SPEHAR, C. R. |
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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. |
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Ano de publicação: |
1977 |
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Fonte/Imprenta: |
Madison: University of Wisconsin, 1977. |
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Páginas: |
93 p. |
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Idioma: |
Inglês |
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Notas: |
Tese Mestrado. |
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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 |
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Palavras-Chave: |
Avaliacao; Colecao. |
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Thesagro: |
Cerrado; Germinação; Melhoramento; Soja; Temperatura. |
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Thesaurus Nal: |
germination; soybeans; temperature. |
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Categoria do assunto: |
-- |
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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
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Registro original: |
Embrapa Cerrados (CPAC) |
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Origem |
Tipo/Formato |
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Cutter |
Registro |
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URL |
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Registro Completo
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
28/07/2017 |
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Data da última atualização: |
16/04/2024 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
SANTOS, K. P. dos; LIMA, Y. S.; BONFIM, B. R. de S.; MARINHO, A. M. C.; RIBEIRO, M. de F. |
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Afiliação: |
KARINA PEREIRA DOS SANTOS, UNIVERSIDADE DE PERNAMBUCO; YAN SOUZA LIMA, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; BRENO RAMON DE SOUZA BONFIM, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; ALINE MARIZA COSTA MARIANO, UNIVERSIDADE DE PERNAMBUCO; MARCIA DE FATIMA RIBEIRO, CPATSA. |
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Título: |
Nicho trófico de Abelha-branca (Frieseomelitta doederelini) na região do Submédio do Vale do São Francisco. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA SEMIÁRIDO, 12., 2017, Petrolina. Anais... Petrolina: Embrapa Semiárido, 2017. |
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Páginas: |
p. 219-225. |
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Série: |
(Embrapa Semiárido. Documentos, 279). |
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Idioma: |
Português |
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Conteúdo: |
Com este trabalho, objetivou-se identificar as espécies vegetais que formam o nicho trófico da abelha-branca (Frieseomelitta doederleini), uma abelha-sem-ferrão potencialmente importante para a meliponicultura na região do Submédio do Vale do São Francisco. |
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Palavras-Chave: |
Abelha sem ferrão; Grão de pólen; Meliponíneo. |
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Thesagro: |
Abelha; Apicultura; Apis Mellifera; Inseto; Mel. |
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Thesaurus NAL: |
Bee pollen. |
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Categoria do assunto: |
O Insetos e Entomologia |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/1073307/1/Artigo.29.pdf
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Marc: |
LEADER 01194nam a2200289 a 4500
001 2073307
005 2024-04-16
008 2017 bl uuuu u00u1 u #d
100 1 $aSANTOS, K. P. dos
245 $aNicho trófico de Abelha-branca (Frieseomelitta doederelini) na região do Submédio do Vale do São Francisco.$h[electronic resource]
260 $aIn: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA SEMIÁRIDO, 12., 2017, Petrolina. Anais... Petrolina: Embrapa Semiárido$c2017
300 $ap. 219-225.
490 $a(Embrapa Semiárido. Documentos, 279).
520 $aCom este trabalho, objetivou-se identificar as espécies vegetais que formam o nicho trófico da abelha-branca (Frieseomelitta doederleini), uma abelha-sem-ferrão potencialmente importante para a meliponicultura na região do Submédio do Vale do São Francisco.
650 $aBee pollen
650 $aAbelha
650 $aApicultura
650 $aApis Mellifera
650 $aInseto
650 $aMel
653 $aAbelha sem ferrão
653 $aGrão de pólen
653 $aMeliponíneo
700 1 $aLIMA, Y. S.
700 1 $aBONFIM, B. R. de S.
700 1 $aMARINHO, A. M. C.
700 1 $aRIBEIRO, M. de F.
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Embrapa Semiárido (CPATSA) |
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