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| Hawerroth,Fernando José; Herter,Flavio Gilberto; Petri,José Luiz; Marafon,Anderson Carlos; Leonetti,Jeison Furtado. |
| Temperature is the main climate factor related to induction, maintenance and dormancy release in apple (Malus domestica Borkh.). The inadequate chilling exposure in apples causes budbreak problems, resulting in decrease in yield potential. Thus, the knowledge of physiological principles and environmental factors determining the dormancy phenomenon, especially winter temperature effects, it is necessary for the efficient selection of cultivars in a productive region. In addition, it is indispensable to adapt the orchard management aiming to decrease the problems caused by lack chilling during winter. The objective of this study was to evaluate the influence of different thermal conditions during the dormancy period on budbreak of apple cultivars.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Malus domestica; Dormancy; Chilling requirement; Grafted twigs; Apical dominance. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452013000300007 |
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| Chavarria,Geraldo; Herter,Flávio Gilberto; Raseira,Maria do Carmo Bassols; Rodrigues,Alexandre Couto; Reisser,Carlos; Silva,João Baptista da. |
| The search for low chill cultivars for peach production in areas with low chill accumulation (temperatures below 7.2°C) has stimulated studies about the higher temperatures effects on low chill cultivars. The objective of this research was to evaluate the influence of mild temperatures on flowering and leafing of 'Turmalina' and 'Ágata' cultivars with low and medium low chilling requirements, respectively. Plants obtained by grafting flower twigs in the autumn, after the grafting, were submitted to chilling treatments (150, 250, 350, 500 and 672 hours) at three temperature levels (5°C, 10°C and 15°C). After the end of the treatments, the plants had been taken to greenhouse (20°C±5°C) and evaluated weekly. The results showed that satisfactory flower and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chilling requirement; Dormancy; Winter; Budbreak. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782009000700010 |
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