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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
25/10/2019 |
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Data da última atualização: |
31/10/2019 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
HERTER, F. G.; MELLO-FARIAS, P. C.; MALGARIM, M. B.; KIRINUS, M. B. M.; YAMAMOTO, R. R.; CHAVES, A. L. S.; SIMÕES, F.; WREGE, M. S. |
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Afiliação: |
Flavio Gilberto Herter, UFPel; Paulo Celso de Mello-Farias, UFPel; Marcelo Barbosa Malgarim, UFPel; Marines Batalha Moreno Kirinus, UFPel; Robson Ryu Yamamoto, UFSCar; Ana Lúcia Soares Chaves, UFPel; Fabiano Simões, UFRGS; MARCOS SILVEIRA WREGE, CNPF. |
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Título: |
Dormancy adaptation in pear trees grown under mild winter conditions in Brazil. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
In: LUZ, A. R. (Ed.). Pears: cultivars, production and harvesting. New York: Nova Science Publ., 2019. p. 141-169. |
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Idioma: |
Inglês |
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Conteúdo: |
Pear trees grow irregularly in Brazil due to climatic conditions of mild winter. The main production area of temperate fruit crops in Brazil is located in the subtropical region, below 25°S, with high altitudes variation (from sea level to 1900 m), resulting in irregular dormancy adaptation phase. Variations in chilling accumulation are also observed throughout the years: less than 200 hours below 7.2°C during warmer years, or near 900 hours in colder years, in the same location. Low chilling cultivars required from 150 to 500 chilling hours below 7.2°C for flowering. If it occurs too early, such as in colder years, plants can be damaged by late frost resulting in large losses (near 100% depending on the cultivar). Research conducted under such conditions of mild winters indicates abnormal pattern of enzymatic activities, rootstock influences on dormancy progression, and morphological alterations in floral buds, necrosis, and abortion, resulting in productivity reduction. |
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Palavras-Chave: |
Abortion; Agroclimatic zoning; Chilling; Mild winters. |
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Thesagro: |
Dormência; Pêra. |
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Thesaurus Nal: |
Necrosis. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01842naa a2200289 a 4500
001 2113483
005 2019-10-31
008 2019 bl uuuu u00u1 u #d
100 1 $aHERTER, F. G.
245 $aDormancy adaptation in pear trees grown under mild winter conditions in Brazil.$h[electronic resource]
260 $c2019
520 $aPear trees grow irregularly in Brazil due to climatic conditions of mild winter. The main production area of temperate fruit crops in Brazil is located in the subtropical region, below 25°S, with high altitudes variation (from sea level to 1900 m), resulting in irregular dormancy adaptation phase. Variations in chilling accumulation are also observed throughout the years: less than 200 hours below 7.2°C during warmer years, or near 900 hours in colder years, in the same location. Low chilling cultivars required from 150 to 500 chilling hours below 7.2°C for flowering. If it occurs too early, such as in colder years, plants can be damaged by late frost resulting in large losses (near 100% depending on the cultivar). Research conducted under such conditions of mild winters indicates abnormal pattern of enzymatic activities, rootstock influences on dormancy progression, and morphological alterations in floral buds, necrosis, and abortion, resulting in productivity reduction.
650 $aNecrosis
650 $aDormência
650 $aPêra
653 $aAbortion
653 $aAgroclimatic zoning
653 $aChilling
653 $aMild winters
700 1 $aMELLO-FARIAS, P. C.
700 1 $aMALGARIM, M. B.
700 1 $aKIRINUS, M. B. M.
700 1 $aYAMAMOTO, R. R.
700 1 $aCHAVES, A. L. S.
700 1 $aSIMÕES, F.
700 1 $aWREGE, M. S.
773 $tIn: LUZ, A. R. (Ed.). Pears: cultivars, production and harvesting. New York: Nova Science Publ., 2019. p. 141-169.
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