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Registro Completo |
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
11/03/2011 |
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Data da última atualização: |
14/05/2012 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
PADILHA, L.; MATIELLO, J. B.; ALMEIDA, S. R.; CARVALHO, C. H. S. de; FERREIRA, R. A.; MENDONÇA, S. M.; LEITE FILHO, S.; JAPIASSU, L. B.; SANTOS, A. C. R.; PAIVA, R. N. |
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Afiliação: |
LILIAN PADILHA, SAPC; FUNDAÇÃO PROCAFÉ; FUNDAÇÃO PROCAFÉ; CARLOS HENRIQUE S DE CARVALHO, SAPC; FUNDAÇÃO PROCAFÉ; FUNDAÇÃO PROCAFÉ; SINÉSIO LEITE FILHO, FUNDAÇÃO PROCAFÉ; FUNDAÇÃO PROCAFÉ; FUNDAÇÃO PROCAFÉ; FUNDAÇÃO PROCAFÉ. |
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Título: |
Initial characterization of durandé hybrid F3 progenies. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 22. 2008, Campinas, São Paulo, Brazil. |
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Idioma: |
Inglês |
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Conteúdo: |
The leaf rust (Hemileia vastatrix) is a disease responsible to cause a lot of losses in coffee culture. An alternative to the chemical control is the use of resistant cultivar. The aim of this work was to evaluate and to select F3 progenies with good agronomic traits such as high yield, uniform maturation, leaf rust resistance and good grain quality. Seeds from 22 progenies with high vigor and high initial productivity were used to obtain 531 F3 progenies that were planted at Varginha, MG, Brazil, in 2005. In 2007 a total of 25 plants F3 with leaf rust resistance and high vigor were selected. From these, in 2008 only 19 keep the desirable characteristics. Plants 1-21, 7-27 and 21-18 produced 4,1L, 6,7 L and 4,3 L/plant each, with 54%, 55% and 77% of flat beans, respectively. These three highlighted plants have produced 38%, 39% and 13% of peaberry beans, with 2,0%, 8,0% and 1,0% of coreless fruits. In the F3 generation there was a great evolution in the flat grains percentage when compared with F2 progenies. These results have showed interesting traits in several F3 generation such as short plants, grains with the same traits as a commercial arabica cultivars and leaf rust resistance. The selected genotypes will be evaluated during more three production years when the traits will better established. Progress of generations will be established with the best plants. |
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Palavras-Chave: |
Coffee culture; Hemileia vstatrix. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02117nam a2200241 a 4500
001 1880591
005 2012-05-14
008 2008 bl uuuu u00u1 u #d
100 1 $aPADILHA, L.
245 $aInitial characterization of durandé hybrid F3 progenies.$h[electronic resource]
260 $aIn: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 22. 2008, Campinas, São Paulo, Brazil.$c2008
520 $aThe leaf rust (Hemileia vastatrix) is a disease responsible to cause a lot of losses in coffee culture. An alternative to the chemical control is the use of resistant cultivar. The aim of this work was to evaluate and to select F3 progenies with good agronomic traits such as high yield, uniform maturation, leaf rust resistance and good grain quality. Seeds from 22 progenies with high vigor and high initial productivity were used to obtain 531 F3 progenies that were planted at Varginha, MG, Brazil, in 2005. In 2007 a total of 25 plants F3 with leaf rust resistance and high vigor were selected. From these, in 2008 only 19 keep the desirable characteristics. Plants 1-21, 7-27 and 21-18 produced 4,1L, 6,7 L and 4,3 L/plant each, with 54%, 55% and 77% of flat beans, respectively. These three highlighted plants have produced 38%, 39% and 13% of peaberry beans, with 2,0%, 8,0% and 1,0% of coreless fruits. In the F3 generation there was a great evolution in the flat grains percentage when compared with F2 progenies. These results have showed interesting traits in several F3 generation such as short plants, grains with the same traits as a commercial arabica cultivars and leaf rust resistance. The selected genotypes will be evaluated during more three production years when the traits will better established. Progress of generations will be established with the best plants.
653 $aCoffee culture
653 $aHemileia vstatrix
700 1 $aMATIELLO, J. B.
700 1 $aALMEIDA, S. R.
700 1 $aCARVALHO, C. H. S. de
700 1 $aFERREIRA, R. A.
700 1 $aMENDONÇA, S. M.
700 1 $aLEITE FILHO, S.
700 1 $aJAPIASSU, L. B.
700 1 $aSANTOS, A. C. R.
700 1 $aPAIVA, R. N.
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