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Registro Completo |
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
05/05/2005 |
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Data da última atualização: |
20/08/2007 |
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Autoria: |
MONTEZUMA JÚNIOR, P. A.; LIMA, A. C. B. de; MOURA, A. de A. A.; ARAÚJO, A. A. de; SOUZA, C. E. A. |
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Título: |
Taxas de concepção e prenhez de vacas mestiças (3/8 Holandês x 5/8 Gir) submetidas a um tratamento hormonal à base de GnRH e prostaglandina F2a e inseminadas com hora marcada. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Revista Ciência Agronômica, v. 35, n. 2, jul./dez., 2004. |
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Páginas: |
p. 399 - 405 |
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Idioma: |
Português |
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Palavras-Chave: |
Ovsynch. |
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Thesagro: |
Animal; Fertilidade; Inseminação. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00726naa a2200217 a 4500
001 1706450
005 2007-08-20
008 2004 bl uuuu u00u1 u #d
100 1 $aMONTEZUMA JÚNIOR, P. A.
245 $aTaxas de concepção e prenhez de vacas mestiças (3/8 Holandês x 5/8 Gir) submetidas a um tratamento hormonal à base de GnRH e prostaglandina F2a e inseminadas com hora marcada.
260 $c2004
300 $ap. 399 - 405
650 $aAnimal
650 $aFertilidade
650 $aInseminação
653 $aOvsynch
700 1 $aLIMA, A. C. B. de
700 1 $aMOURA, A. de A. A.
700 1 $aARAÚJO, A. A. de
700 1 $aSOUZA, C. E. A.
773 $tRevista Ciência Agronômica$gv. 35, n. 2, jul./dez., 2004.
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Embrapa Rondônia (CPAF-RO) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Trigo. Para informações adicionais entre em contato com cnpt.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
22/11/1999 |
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Data da última atualização: |
01/08/2017 |
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Autoria: |
FERNANDES, J. M. |
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Afiliação: |
JOSÉ MAURÍCIO CUNHA FERNANDES, CNPT. |
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Título: |
Epidemiological and biological aspects of Septoria nodorum Berk., a pathogen of wheat in eastern Washington. |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
Dissertation (Doctor of Philosophy) - Washington State University, Washington, Pullman. |
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Páginas: |
127 f. |
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Idioma: |
Inglês |
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Notas: |
Orientador: HENDRIX, J. W. |
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Conteúdo: |
Glume blotch of wheat ,a disease incited by Septoria nodorum (=Leptosphaeria nodorum ),was monitored through a succession of surveys during the period 1982-84 in eastern Washington . Findings revealed that infection in wheat occurs soon after seeddling emergence . Infection levels, varying upward of 70% in one of the two years , remained consistently high from November to March , declined somewehat in April-May and dropped dramatically in late May and June . It is speculated that such a decline is attributable to progressively fewer number of rainy days , lower relative humidities , shorter dew periods and elevating temperatures as the spring seasion advances . The viability of conidia of Septoria nodorum exposed on plastic strip underwent a corresponding decline with the advent of warmer , drier weather. The source of inoculum associated with the onset of the disease was linked to the presence of spore bearing pycnidia on debris of the previous wheat crop . The perfect stage of the fungus was never found on wheat or graminicolous hosts around and within wheat fields. Glume blotch effects on kernel weight of wheat was highly correlated with nodal infection . Substantial yield reduction ocurred when disease was imposed at the flowerig stage .According to criteria established by studying the relationship of organ infection and reduction in kernel weight it seemed unlikely that glume blotch is a disease of economic threat to the wheat industry in the Palouse. A new technique, involving the injection of inoculum into culms, was developed for evaluating cultivar reaction to glume blotch. A study of the survival of the fungus in hosts other than wheat indicated that downy chess (Bromus tectorum) may seerve as an effective alternative host. This host may play a role in the epidemiology of the disease in eastern Washington as well. Notwithstanding the results reported elsewhere, virulence of locally collected wheat isolates of Septoria nodorum , was not altered by ten consecutive passages through barley. MenosGlume blotch of wheat ,a disease incited by Septoria nodorum (=Leptosphaeria nodorum ),was monitored through a succession of surveys during the period 1982-84 in eastern Washington . Findings revealed that infection in wheat occurs soon after seeddling emergence . Infection levels, varying upward of 70% in one of the two years , remained consistently high from November to March , declined somewehat in April-May and dropped dramatically in late May and June . It is speculated that such a decline is attributable to progressively fewer number of rainy days , lower relative humidities , shorter dew periods and elevating temperatures as the spring seasion advances . The viability of conidia of Septoria nodorum exposed on plastic strip underwent a corresponding decline with the advent of warmer , drier weather. The source of inoculum associated with the onset of the disease was linked to the presence of spore bearing pycnidia on debris of the previous wheat crop . The perfect stage of the fungus was never found on wheat or graminicolous hosts around and within wheat fields. Glume blotch effects on kernel weight of wheat was highly correlated with nodal infection . Substantial yield reduction ocurred when disease was imposed at the flowerig stage .According to criteria established by studying the relationship of organ infection and reduction in kernel weight it seemed unlikely that glume blotch is a disease of economic threat to the wheat industry in the Palouse. A new techni... Mostrar Tudo |
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Palavras-Chave: |
Biology; Estados Unidos; Pathogen; Plant diseases; Wheats. |
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Thesagro: |
Biologia; Doença; Doença de Planta; Epidemiologia; Fungo; Patógeno; Septoria Nodorum; Trigo; Triticum Aestivum. |
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Thesaurus NAL: |
epidemiology; fungi. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02946nam a2200325 a 4500
001 1842470
005 2017-08-01
008 1985 bl uuuu m 00u1 u #d
100 1 $aFERNANDES, J. M.
245 $aEpidemiological and biological aspects of Septoria nodorum Berk., a pathogen of wheat in eastern Washington.
260 $aDissertation (Doctor of Philosophy) - Washington State University, Washington, Pullman.$c1985
300 $a127 f.
500 $aOrientador: HENDRIX, J. W.
520 $aGlume blotch of wheat ,a disease incited by Septoria nodorum (=Leptosphaeria nodorum ),was monitored through a succession of surveys during the period 1982-84 in eastern Washington . Findings revealed that infection in wheat occurs soon after seeddling emergence . Infection levels, varying upward of 70% in one of the two years , remained consistently high from November to March , declined somewehat in April-May and dropped dramatically in late May and June . It is speculated that such a decline is attributable to progressively fewer number of rainy days , lower relative humidities , shorter dew periods and elevating temperatures as the spring seasion advances . The viability of conidia of Septoria nodorum exposed on plastic strip underwent a corresponding decline with the advent of warmer , drier weather. The source of inoculum associated with the onset of the disease was linked to the presence of spore bearing pycnidia on debris of the previous wheat crop . The perfect stage of the fungus was never found on wheat or graminicolous hosts around and within wheat fields. Glume blotch effects on kernel weight of wheat was highly correlated with nodal infection . Substantial yield reduction ocurred when disease was imposed at the flowerig stage .According to criteria established by studying the relationship of organ infection and reduction in kernel weight it seemed unlikely that glume blotch is a disease of economic threat to the wheat industry in the Palouse. A new technique, involving the injection of inoculum into culms, was developed for evaluating cultivar reaction to glume blotch. A study of the survival of the fungus in hosts other than wheat indicated that downy chess (Bromus tectorum) may seerve as an effective alternative host. This host may play a role in the epidemiology of the disease in eastern Washington as well. Notwithstanding the results reported elsewhere, virulence of locally collected wheat isolates of Septoria nodorum , was not altered by ten consecutive passages through barley.
650 $aepidemiology
650 $afungi
650 $aBiologia
650 $aDoença
650 $aDoença de Planta
650 $aEpidemiologia
650 $aFungo
650 $aPatógeno
650 $aSeptoria Nodorum
650 $aTrigo
650 $aTriticum Aestivum
653 $aBiology
653 $aEstados Unidos
653 $aPathogen
653 $aPlant diseases
653 $aWheats
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