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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
28/11/2019 |
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Data da última atualização: |
28/11/2019 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
MARCHI, T.; LUZ, A. R.; BOTELHO, R. V. |
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Título: |
Methods for Estimating Chilling Requirements in Fruit Crops. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
In: Botelho, R. V. Plant Dormancy: mechanisms, causes and effects. New York: Nova Science Publishers, 2019. p. 13-29. |
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ISBN: |
978-1-53615-380-4 |
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Idioma: |
Inglês |
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Conteúdo: |
The use of methods to estimate chilling requirement of temperate fruit trees are important tools for the prediction of physiological phase changes in the plant, as well as the decision making on the cultural management to be carried out in the orchards. Several methods can be used to estimate chilling requirement of temperate fruit trees. They can be basically divided into biological methods and temperature modeling methods. Biological methods are those characterized by direct phenological observation (budding and flowering) of plant material (parts of plants or whole plants) submitted to controlled and distinct conditions during dormancy. In general, this method is used in experiments to characterize genotypes with respect to the chilling requirement or for studies of temperature modeling, evaluating the behavior of the buds in different situations. On the other hand, the methods of temperature modeling have the objective of measuring the amount of chilling accumulation during the winter period and, from the characterization of the need of the different cultivars, it is possible to predict the time of budbreak. Although widely used and an important tool in the management of fruit trees, this second method presents a very variable performance in certain conditions and cultures, since the methodologies developed, for the most part, were based on empirical observations and not on physiological processes. It is believed that growing advances in studies on the mechanisms involved in tree dormancy control contribute to the development of more accurate models, increasing efficiency in predicting the physiological development of trees and improving information for decision-making in orchards management. MenosThe use of methods to estimate chilling requirement of temperate fruit trees are important tools for the prediction of physiological phase changes in the plant, as well as the decision making on the cultural management to be carried out in the orchards. Several methods can be used to estimate chilling requirement of temperate fruit trees. They can be basically divided into biological methods and temperature modeling methods. Biological methods are those characterized by direct phenological observation (budding and flowering) of plant material (parts of plants or whole plants) submitted to controlled and distinct conditions during dormancy. In general, this method is used in experiments to characterize genotypes with respect to the chilling requirement or for studies of temperature modeling, evaluating the behavior of the buds in different situations. On the other hand, the methods of temperature modeling have the objective of measuring the amount of chilling accumulation during the winter period and, from the characterization of the need of the different cultivars, it is possible to predict the time of budbreak. Although widely used and an important tool in the management of fruit trees, this second method presents a very variable performance in certain conditions and cultures, since the methodologies developed, for the most part, were based on empirical observations and not on physiological processes. It is believed that growing advances in studies on the mechanisms involve... Mostrar Tudo |
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Palavras-Chave: |
budbreak; Domancy; flowering; temperate climate. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02347naa a2200205 a 4500
001 1129197
005 2019-11-28
008 2019 bl uuuu u00u1 u #d
020 $a978-1-53615-380-4
100 1 $aMARCHI, T.
245 $aMethods for Estimating Chilling Requirements in Fruit Crops.$h[electronic resource]
260 $c2019
520 $aThe use of methods to estimate chilling requirement of temperate fruit trees are important tools for the prediction of physiological phase changes in the plant, as well as the decision making on the cultural management to be carried out in the orchards. Several methods can be used to estimate chilling requirement of temperate fruit trees. They can be basically divided into biological methods and temperature modeling methods. Biological methods are those characterized by direct phenological observation (budding and flowering) of plant material (parts of plants or whole plants) submitted to controlled and distinct conditions during dormancy. In general, this method is used in experiments to characterize genotypes with respect to the chilling requirement or for studies of temperature modeling, evaluating the behavior of the buds in different situations. On the other hand, the methods of temperature modeling have the objective of measuring the amount of chilling accumulation during the winter period and, from the characterization of the need of the different cultivars, it is possible to predict the time of budbreak. Although widely used and an important tool in the management of fruit trees, this second method presents a very variable performance in certain conditions and cultures, since the methodologies developed, for the most part, were based on empirical observations and not on physiological processes. It is believed that growing advances in studies on the mechanisms involved in tree dormancy control contribute to the development of more accurate models, increasing efficiency in predicting the physiological development of trees and improving information for decision-making in orchards management.
653 $abudbreak
653 $aDomancy
653 $aflowering
653 $atemperate climate
700 1 $aLUZ, A. R.
700 1 $aBOTELHO, R. V.
773 $tIn: Botelho, R. V. Plant Dormancy: mechanisms, causes and effects. New York: Nova Science Publishers, 2019. p. 13-29.
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| 1. |  | SALVADÉ, D. M.; ZANON, A. J.; STRECK, N. A.; PILECCO, I. B.; INKLMAN, V. B.; CARNELLOSSO, Á. S.; RIBEIRO, B. S. M. R.; LOOSE, L. H.; SLIM, T.; MÜLLICH, A.; BORGES, J. M.; RIBEIRO, L. P.; PES, L. Z.; PEDROLLO, N. T.; OLIVEIRA, L. F. R. A melhor cultivar de milho para sua lavoura. Santa Maria: UFSM, 2021. 44 p.| Tipo: Organização/Edição de Livros |
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