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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
02/08/2001 |
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Data da última atualização: |
24/08/2023 |
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Autoria: |
LUGINBUHL, J. -M.; MUELLER, J. P.; BERGMANN, B. A. |
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Título: |
Mineral concentration of herbage from three paulownia species used for goat browse. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro, SP. Grassland ecosystems: an outlook into the 21st century: proceedings. Brasília, DF: Sociedade Brasileira de Zootecnia; Piracicaba: FEALQ, 2001. p. 654-655. |
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Idioma: |
Inglês |
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Conteúdo: |
Goats naturally prefer a high proportion of browse in their diets. Therefore, research was initiated to investigate various silvo-pastoral production systems. In May 1997, six Paulownia treatments were planted in a randomized complete block experiment with six replications. Trees were between 6 and 12 cm in height at planting. Treatments included: P. fortunei seedlings, P. tomentosa seedlings, P. elongata seedlings, and three P. elongata clones. Each 4-m wide plot contained a single row of 12 trees with an intra-row spacing of 1 m. Leaf samples were analyzed from all six replications to determine mineral concentration in October 1997, and June and August 1998. Ca and P concentrations varied widely, and the Ca:P ratio exceeded the desired 2:1 with a range from 2.7:1 to 10.1:1. In October 1997, concentrations of Ca were similar in leaf laminae and petioles (1.26%), whereas P concentrations were twice as high in laminae (0.19%) as in petioles (0.09%). In October 1997, laminae from seedlings contained greater concentrations of Ca, Fe, and Zn than did laminae from clones, whereas the opposite was true for every element, with the exception of Fe, in June 1998. By August 1998, these differences had disappeared. Regardless of sampling date and leaf part, concentrations of Ca, Mg, K, Fe, Mn and Zn were sufficient to fulfill goat nutritional requirements, whereas P concentrations were too low. Goats readily browsed Paulownia laminae and no clear preference trends were observed between treatments. MenosGoats naturally prefer a high proportion of browse in their diets. Therefore, research was initiated to investigate various silvo-pastoral production systems. In May 1997, six Paulownia treatments were planted in a randomized complete block experiment with six replications. Trees were between 6 and 12 cm in height at planting. Treatments included: P. fortunei seedlings, P. tomentosa seedlings, P. elongata seedlings, and three P. elongata clones. Each 4-m wide plot contained a single row of 12 trees with an intra-row spacing of 1 m. Leaf samples were analyzed from all six replications to determine mineral concentration in October 1997, and June and August 1998. Ca and P concentrations varied widely, and the Ca:P ratio exceeded the desired 2:1 with a range from 2.7:1 to 10.1:1. In October 1997, concentrations of Ca were similar in leaf laminae and petioles (1.26%), whereas P concentrations were twice as high in laminae (0.19%) as in petioles (0.09%). In October 1997, laminae from seedlings contained greater concentrations of Ca, Fe, and Zn than did laminae from clones, whereas the opposite was true for every element, with the exception of Fe, in June 1998. By August 1998, these differences had disappeared. Regardless of sampling date and leaf part, concentrations of Ca, Mg, K, Fe, Mn and Zn were sufficient to fulfill goat nutritional requirements, whereas P concentrations were too low. Goats readily browsed Paulownia laminae and no clear preference trends were observed between... Mostrar Tudo |
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Palavras-Chave: |
Concentracao; Cropping; Tomentosa. |
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Thesagro: |
Caprino. |
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Thesaurus Nal: |
Alley cropping; Boer (goat breed); Goats; Paulownia; Silvopastoral systems. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02368nam a2200241 a 4500
001 1524239
005 2023-08-24
008 2001 bl uuuu u00u1 u #d
100 1 $aLUGINBUHL, J. -M.
245 $aMineral concentration of herbage from three paulownia species used for goat browse.$h[electronic resource]
260 $aIn: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro, SP. Grassland ecosystems: an outlook into the 21st century: proceedings. Brasília, DF: Sociedade Brasileira de Zootecnia; Piracicaba: FEALQ, 2001. p. 654-655.$c2001
520 $aGoats naturally prefer a high proportion of browse in their diets. Therefore, research was initiated to investigate various silvo-pastoral production systems. In May 1997, six Paulownia treatments were planted in a randomized complete block experiment with six replications. Trees were between 6 and 12 cm in height at planting. Treatments included: P. fortunei seedlings, P. tomentosa seedlings, P. elongata seedlings, and three P. elongata clones. Each 4-m wide plot contained a single row of 12 trees with an intra-row spacing of 1 m. Leaf samples were analyzed from all six replications to determine mineral concentration in October 1997, and June and August 1998. Ca and P concentrations varied widely, and the Ca:P ratio exceeded the desired 2:1 with a range from 2.7:1 to 10.1:1. In October 1997, concentrations of Ca were similar in leaf laminae and petioles (1.26%), whereas P concentrations were twice as high in laminae (0.19%) as in petioles (0.09%). In October 1997, laminae from seedlings contained greater concentrations of Ca, Fe, and Zn than did laminae from clones, whereas the opposite was true for every element, with the exception of Fe, in June 1998. By August 1998, these differences had disappeared. Regardless of sampling date and leaf part, concentrations of Ca, Mg, K, Fe, Mn and Zn were sufficient to fulfill goat nutritional requirements, whereas P concentrations were too low. Goats readily browsed Paulownia laminae and no clear preference trends were observed between treatments.
650 $aAlley cropping
650 $aBoer (goat breed)
650 $aGoats
650 $aPaulownia
650 $aSilvopastoral systems
650 $aCaprino
653 $aConcentracao
653 $aCropping
653 $aTomentosa
700 1 $aMUELLER, J. P.
700 1 $aBERGMANN, B. A.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
11/09/2002 |
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Data da última atualização: |
30/03/2023 |
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Autoria: |
LEITE, G. L. D.; PICANÇO, M.; JHAM, G. N.; GUSMÃO, M. R. |
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Afiliação: |
Germano Leão Demolin Leite, Universidade Federal de Minas Gerais - UFM/Núcleo de Ciências Agrárias/Departamento de Agropecuária; Marcelo Picanço, Universidade Federal de Viçosa - UFV/Departamento de Biologia Animal; Gulab Newandram Jham, Universidade Federal de Viçosa - UFV/Departamento de Química; Marcos Rafael Gusmão, Universidade Federal de Viçosa - UFV/Departamento de Biologia Animal. |
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Título: |
Fatores naturais que influenciam o ataque da mosca-branca em pimentão. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 37, n. 8, p. 1195-1200, ago. 2002 |
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Idioma: |
Português |
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Notas: |
Notas Científicas.
Título em inglês: Natural factors influencing whitefly attack in sweet pepper. |
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Conteúdo: |
Este trabalho objetivou determinar os efeitos da pluviosidade, da temperatura, da umidade relativa, dos predadores e parasitóides, da idade das plantas, dos compostos químicos foliares (cromatógrafo a gás acoplado a espectrômetro de massa - CG/EM), dos níveis de N e de K foliares sobre a intensidade do ataque de Bemisia tabaci biótipo B (Genn.) (Homoptera: Aleyrodidae) em pimentão (Capsicum annuum) var. Myr-10. As correntes totais de íons dos picos 28,178 min. (tempo de retenção) e 42,755 min. (tempo de retenção) correlacionaram-se positivamente com as ninfas e adultos da mosca-branca, respectivamente, e a corrente total de íons do pico 36,352 min. (tempo de retenção) correlacionou-se negativamente com ninfas deste inseto. |
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Palavras-Chave: |
aleloquímico. |
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Thesagro: |
Bemisia Tabaci; Capsicum Annuum; Nitrogênio; Potássio. |
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Thesaurus NAL: |
allelochemicals; nitrogen; potassium. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/23454/1/pab1068.pdf
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Marc: |
LEADER 01589naa a2200265 a 4500
001 1108321
005 2023-03-30
008 2002 bl uuuu u00u1 u #d
100 1 $aLEITE, G. L. D.
245 $aFatores naturais que influenciam o ataque da mosca-branca em pimentão.$h[electronic resource]
260 $c2002
500 $aNotas Científicas. Título em inglês: Natural factors influencing whitefly attack in sweet pepper.
520 $aEste trabalho objetivou determinar os efeitos da pluviosidade, da temperatura, da umidade relativa, dos predadores e parasitóides, da idade das plantas, dos compostos químicos foliares (cromatógrafo a gás acoplado a espectrômetro de massa - CG/EM), dos níveis de N e de K foliares sobre a intensidade do ataque de Bemisia tabaci biótipo B (Genn.) (Homoptera: Aleyrodidae) em pimentão (Capsicum annuum) var. Myr-10. As correntes totais de íons dos picos 28,178 min. (tempo de retenção) e 42,755 min. (tempo de retenção) correlacionaram-se positivamente com as ninfas e adultos da mosca-branca, respectivamente, e a corrente total de íons do pico 36,352 min. (tempo de retenção) correlacionou-se negativamente com ninfas deste inseto.
650 $aallelochemicals
650 $anitrogen
650 $apotassium
650 $aBemisia Tabaci
650 $aCapsicum Annuum
650 $aNitrogênio
650 $aPotássio
653 $aaleloquímico
700 1 $aPICANÇO, M.
700 1 $aJHAM, G. N.
700 1 $aGUSMÃO, M. R.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 37, n. 8, p. 1195-1200, ago. 2002
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