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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
06/06/1995 |
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Data da última atualização: |
20/03/2009 |
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Autoria: |
ARAUJO, A. J. de. |
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Título: |
Early results of provenances studies of loblolly and slash pines in Brazil. |
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Ano de publicação: |
1980 |
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Fonte/Imprenta: |
1980. |
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Páginas: |
115 f. |
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Idioma: |
Inglês |
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Notas: |
Dissertation (Doctor of Philosophy) - Michigan State University. |
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Conteúdo: |
The objectives of this study were to determine if there are: (1) genetic differences in growth traits among provenances, (2) any trends of significances for locating the most suitable provenances, and (3) any geenetic-environment interaction. Additional objectives were to determiee (4) future uses of the trials, (5) improvements of the experimentalpprocedures, and (6>) future direction of the experimentation aiming a the genetic improvement of these pines. Thirty-five seedlots of loblolly pine and 20 seedlots of slash pine were tested in two series. Redommized and replicated trials were established in four locations. Mortaiity was higher in Series 1 for both species due to long-distance transportation of bare root seedlings. There were very importandiffences in loblolly pine growth rate due provenance in both series. On seedlots from Livingston Parish was consistently among a leader at all test locations. Other seedlots from Florida, Mississippi, South Carolina, and one Braszlian seedlot were also fast growing. Genotype-environment interaction were strong in Series 1 and smaller in Series 2. Ageneral trend of coastal seedlots to growth faster than ones was observed in both series. The most higly recommended area seed collection for planting in Brazilis the coastal region stretching 120 kilometers from the coast of the Gulf of Mexico and the Atlantic Ocean is seven southern states. The consistent superiority of Livingston Parish indicates that Brazilian growers can obtain immediate improvement (...) MenosThe objectives of this study were to determine if there are: (1) genetic differences in growth traits among provenances, (2) any trends of significances for locating the most suitable provenances, and (3) any geenetic-environment interaction. Additional objectives were to determiee (4) future uses of the trials, (5) improvements of the experimentalpprocedures, and (6>) future direction of the experimentation aiming a the genetic improvement of these pines. Thirty-five seedlots of loblolly pine and 20 seedlots of slash pine were tested in two series. Redommized and replicated trials were established in four locations. Mortaiity was higher in Series 1 for both species due to long-distance transportation of bare root seedlings. There were very importandiffences in loblolly pine growth rate due provenance in both series. On seedlots from Livingston Parish was consistently among a leader at all test locations. Other seedlots from Florida, Mississippi, South Carolina, and one Braszlian seedlot were also fast growing. Genotype-environment interaction were strong in Series 1 and smaller in Series 2. Ageneral trend of coastal seedlots to growth faster than ones was observed in both series. The most higly recommended area seed collection for planting in Brazilis the coastal region stretching 120 kilometers from the coast of the Gulf of Mexico and the Atlantic Ocean is seven southern states. The consistent superiority of Livingston Parish indicates that Brazilian growers can obtain imm... Mostrar Tudo |
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Palavras-Chave: |
Brasil. |
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Thesagro: |
Pinus Elliottii; Pinus Taeda; Procedência. |
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Thesaurus Nal: |
provenance. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02060nam a2200193 a 4500
001 1304617
005 2009-03-20
008 1980 bl uuuu m 00u1 u #d
100 1 $aARAUJO, A. J. de
245 $aEarly results of provenances studies of loblolly and slash pines in Brazil.
260 $a1980.$c1980
300 $a115 f.
500 $aDissertation (Doctor of Philosophy) - Michigan State University.
520 $aThe objectives of this study were to determine if there are: (1) genetic differences in growth traits among provenances, (2) any trends of significances for locating the most suitable provenances, and (3) any geenetic-environment interaction. Additional objectives were to determiee (4) future uses of the trials, (5) improvements of the experimentalpprocedures, and (6>) future direction of the experimentation aiming a the genetic improvement of these pines. Thirty-five seedlots of loblolly pine and 20 seedlots of slash pine were tested in two series. Redommized and replicated trials were established in four locations. Mortaiity was higher in Series 1 for both species due to long-distance transportation of bare root seedlings. There were very importandiffences in loblolly pine growth rate due provenance in both series. On seedlots from Livingston Parish was consistently among a leader at all test locations. Other seedlots from Florida, Mississippi, South Carolina, and one Braszlian seedlot were also fast growing. Genotype-environment interaction were strong in Series 1 and smaller in Series 2. Ageneral trend of coastal seedlots to growth faster than ones was observed in both series. The most higly recommended area seed collection for planting in Brazilis the coastal region stretching 120 kilometers from the coast of the Gulf of Mexico and the Atlantic Ocean is seven southern states. The consistent superiority of Livingston Parish indicates that Brazilian growers can obtain immediate improvement (...)
650 $aprovenance
650 $aPinus Elliottii
650 $aPinus Taeda
650 $aProcedência
653 $aBrasil
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Registro original: |
Embrapa Florestas (CNPF) |
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Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
02/09/2003 |
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Data da última atualização: |
06/06/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
GONTIJO, M. R; BORGES, A. L. C. C.; SOBREIRA, R. F.; GONCALVES, L. C.; RODRIGUES, J. A. S.; RODRIGUEZ, N. M.; RABELO, L. S.; BORGES, I.; SALIBA, E. O. S.; PENNA, A. G.; FERREIRA, J. J. C.; PATRIZZI, W. L.; DELGADO, L. P. |
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Afiliação: |
JOSE AVELINO SANTOS RODRIGUES, CNPMS. |
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Título: |
População de plantas e taxa de rebrota de seis cruzamentos interespecíficos de "Sorghum bicolor" e "Sorghum sudanense". |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 40., 2003, Santa Maria. Otimizando a produção animal no Brasil do futuro: anais. Santa Maria: SBZ: UFSM, 2003. |
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Idioma: |
Português |
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Conteúdo: |
Foram avaliados o número de plantas e a taxa de rebrota de quatro híbridos experimentais e dois híbridos comerciais de sorgo com capim Sudão. Nos primeiros cortes de ambas as épocas ocorreram diferenças significativas (p<0,05) entre os híbridos quanto ao número de plantas, sendo que no primeiro corte da época 1, o híbrido ATF 54 x CMSXS 912 foi semelhante aos híbridos BRS 800 e CMSXS 156 x CMSXS 912, sendo superior aos demais híbridos. No primeiro corte da segunda época, o híbrido ATF54 x CMSXS 912 apresentou número de plantas semelhantes aos híbridos AG2501C, BRS 800 e CMSXS 157 x CMSXS 912, porém superiores aos híbridos CMSXS 156 x CMSXS 912 e CMSXS 210 x CMSXS 912. Já na segunda época de plantio, os híbridos AG2501C, BRS 800 e ATF 54 x CMSXS 912 tiveram seu número de plantas reduzido a partir do segundo corte, enquanto os híbridos CMSXS 156 X CMSXS 912, CMSXS 157 x CMSXS 912, CMSXS 210 x CMSXS 912 mantiveram o número de plantas até o segundo corte, a partir do qual também houve redução. A média do número de plantas/ha foi significativamente (p<0,05) maior na época 1, com média de 841,66 mil plantas/ha. As taxas médias de rebrota foram inferiores a 1,00, não havendo diferença entre híbridos. Não houve diferença significativa (p<0,05) para as médias de rebrota entre híbridos, com exceção do híbrido AG2501C (testemunha) que, na rebrota 1, apresentou valor superior na época 1. O híbridos analisados apresentam uma boa quantidade de plantas por hectare e ótima taxa de rebrota. |
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Thesagro: |
Pastejo; Sorgo. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/67542/1/Populacao-plantas.pdf
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Marc: |
LEADER 02499nam a2200277 a 4500
001 1487117
005 2018-06-06
008 2003 bl uuuu u00u1 u #d
100 1 $aGONTIJO, M. R
245 $aPopulação de plantas e taxa de rebrota de seis cruzamentos interespecíficos de "Sorghum bicolor" e "Sorghum sudanense".$h[electronic resource]
260 $aIn: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 40., 2003, Santa Maria. Otimizando a produção animal no Brasil do futuro: anais. Santa Maria: SBZ: UFSM$c2003
520 $aForam avaliados o número de plantas e a taxa de rebrota de quatro híbridos experimentais e dois híbridos comerciais de sorgo com capim Sudão. Nos primeiros cortes de ambas as épocas ocorreram diferenças significativas (p<0,05) entre os híbridos quanto ao número de plantas, sendo que no primeiro corte da época 1, o híbrido ATF 54 x CMSXS 912 foi semelhante aos híbridos BRS 800 e CMSXS 156 x CMSXS 912, sendo superior aos demais híbridos. No primeiro corte da segunda época, o híbrido ATF54 x CMSXS 912 apresentou número de plantas semelhantes aos híbridos AG2501C, BRS 800 e CMSXS 157 x CMSXS 912, porém superiores aos híbridos CMSXS 156 x CMSXS 912 e CMSXS 210 x CMSXS 912. Já na segunda época de plantio, os híbridos AG2501C, BRS 800 e ATF 54 x CMSXS 912 tiveram seu número de plantas reduzido a partir do segundo corte, enquanto os híbridos CMSXS 156 X CMSXS 912, CMSXS 157 x CMSXS 912, CMSXS 210 x CMSXS 912 mantiveram o número de plantas até o segundo corte, a partir do qual também houve redução. A média do número de plantas/ha foi significativamente (p<0,05) maior na época 1, com média de 841,66 mil plantas/ha. As taxas médias de rebrota foram inferiores a 1,00, não havendo diferença entre híbridos. Não houve diferença significativa (p<0,05) para as médias de rebrota entre híbridos, com exceção do híbrido AG2501C (testemunha) que, na rebrota 1, apresentou valor superior na época 1. O híbridos analisados apresentam uma boa quantidade de plantas por hectare e ótima taxa de rebrota.
650 $aPastejo
650 $aSorgo
700 1 $aBORGES, A. L. C. C.
700 1 $aSOBREIRA, R. F.
700 1 $aGONCALVES, L. C.
700 1 $aRODRIGUES, J. A. S.
700 1 $aRODRIGUEZ, N. M.
700 1 $aRABELO, L. S.
700 1 $aBORGES, I.
700 1 $aSALIBA, E. O. S.
700 1 $aPENNA, A. G.
700 1 $aFERREIRA, J. J. C.
700 1 $aPATRIZZI, W. L.
700 1 $aDELGADO, L. P.
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Embrapa Milho e Sorgo (CNPMS) |
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