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Registro Completo
Biblioteca(s): |
Embrapa Uva e Vinho. |
Data corrente: |
31/05/2012 |
Data da última atualização: |
15/10/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 2 |
Autoria: |
RUFATO, A. de R.; OLIVEIRA, P. R. D. de; RITSCHEL, P. S.; LIMA, C. S. M.; GONÇALVES, M. A. |
Afiliação: |
ANDREA DE ROSSI RUFATO, CNPUV; PAULO RICARDO DIAS DE OLIVEIRA, CNPUV; PATRICIA SILVA RITSCHEL, CNPUV; C. Simone Madruga Lima, UFPEL; M. Aldrighi Goncalves, UFPEL. |
Título: |
Manual cross-pollination, fruit set and development in pear. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
Acta Horticulturae, The Hague, n. 918, p. 749-751, 2011. |
Idioma: |
Inglês |
Notas: |
Resumo expandido apresentado no XXVIII International Horticultural Congress, Lisboa, 2010. |
Conteúdo: |
The lack of pear-compatible rootstocks in Brazil calls for the application of classical genetic techniques. Therefore, in order to obtain select suitable material, the search for genetic segregation must be continuous, being used as alternative scion cultivars. This study aims to assess fruit set, number of seeds, fruit weight and fruit diameter according to crosses between pear cultivars. The trial was carried out from September 2008 to February 2009 in a commercial orchard in the city of Vacaria/RS, Brazil. For the pollination process, pollen was extracted from flowers at full-white stage in the same orchard. The cultivars used were 'Packham's Triumph' and 'Clapps Favorite'. The crossings were defined as: open pollination; selfpollination of 'Packham's Triumph' and 'Packham's Triumph' × 'Clapps Favorite'. The pollinations were done manually in flowers at full-white stage, which were opened, emasculated and then pollinated. Each pollinated flower was then isolated with a fine nylon bag. Open pollination and cross pollination between 'Packham's Triumph' × 'Clapps Favorite' provided higher fruit set (17 and 18%, respectively). Fruit weight and diameter did not differ between treatments. Open pollination provided fruits with a higher number of seeds. |
Palavras-Chave: |
Crescimetno; Melhoramento genético; Porta-enxerto. |
Thesagro: |
Cruzamento; Fruticultura; Pera; Polinização; Seleção Genética. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02118naa a2200277 a 4500 001 1925850 005 2018-10-15 008 2011 bl uuuu u00u1 u #d 100 1 $aRUFATO, A. de R. 245 $aManual cross-pollination, fruit set and development in pear.$h[electronic resource] 260 $c2011 500 $aResumo expandido apresentado no XXVIII International Horticultural Congress, Lisboa, 2010. 520 $aThe lack of pear-compatible rootstocks in Brazil calls for the application of classical genetic techniques. Therefore, in order to obtain select suitable material, the search for genetic segregation must be continuous, being used as alternative scion cultivars. This study aims to assess fruit set, number of seeds, fruit weight and fruit diameter according to crosses between pear cultivars. The trial was carried out from September 2008 to February 2009 in a commercial orchard in the city of Vacaria/RS, Brazil. For the pollination process, pollen was extracted from flowers at full-white stage in the same orchard. The cultivars used were 'Packham's Triumph' and 'Clapps Favorite'. The crossings were defined as: open pollination; selfpollination of 'Packham's Triumph' and 'Packham's Triumph' × 'Clapps Favorite'. The pollinations were done manually in flowers at full-white stage, which were opened, emasculated and then pollinated. Each pollinated flower was then isolated with a fine nylon bag. Open pollination and cross pollination between 'Packham's Triumph' × 'Clapps Favorite' provided higher fruit set (17 and 18%, respectively). Fruit weight and diameter did not differ between treatments. Open pollination provided fruits with a higher number of seeds. 650 $aCruzamento 650 $aFruticultura 650 $aPera 650 $aPolinização 650 $aSeleção Genética 653 $aCrescimetno 653 $aMelhoramento genético 653 $aPorta-enxerto 700 1 $aOLIVEIRA, P. R. D. de 700 1 $aRITSCHEL, P. S. 700 1 $aLIMA, C. S. M. 700 1 $aGONÇALVES, M. A. 773 $tActa Horticulturae, The Hague$gn. 918, p. 749-751, 2011.
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