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GIBBERELLIC ACID REDUCES FLOWERING AND TIME OF MANUAL THINNING IN ‘MACIEL’ PEACH TREES Rev. Bras. Frutic.
GIOVANAZ,MARCOS ANTÔNIO; FACHINELLO,JOSÉ CARLOS; SPAGNOL,DANIEL; WEBER,DIEGO; CARRA,BRUNO.
ABSTRACT The thinning peach fruits is to reduce the load of the plant with the aim to improve the size, flavor and color of the remaining fruits. However, the practice of thinning requires high demand of manpower and become more expensive the production costs. The objective of this study was to evaluate the reduction of flowering buds and the time of hand thinning in ‘Maciel’ peach after gibberellic acid (GA3) application at different times and concentrations. The experiments were performed in the harvests of 2012 and 2013 in a commercial peach orchard located in the county of Morro Redondo, RS. The plants of cultivar Maciel, in 2012, were sprayed with four doses of GA3 0, 25, 75 and 125 mg L-1, at different times 20, 40 and 60 days after full bloom...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Peach; Gibberellin; Return bloom; Inhibition of flowers; Manpower; Stone fruit trees.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452016000200203
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Prohexadione calcium reduces vegetative growth and increases fruit set of ‘Smith’ pear trees, in Southern Brazil Bragantia
Carra,Bruno; Spagnol,Daniel; Abreu,Everton Sozo de; Pasa,Mateus da Silveira; Silva,Carina Pereira da; Hellwig,Cristiano Geremias; Fachinello,José Carlos.
ABSTRACT Prohexadione calcium (P-Ca) has been reported to effectively control shoot growth in several pear cultivars, but with a few reports about its efficiency under the climatic conditions of southern Brazil. Therefore, the objective of this study was to evaluate vegetative growth, production, and fruit quality of ‘Smith’ pear trees in response to the use of different rates of P-Ca in the climatic conditions of southern Brazil. The experiment was conducted during the 2013/2014 and 2014/2015 seasons, in a 6-year-old ‘Smith’ pear orchard, trained to a central-leader system, with spacing of 1.5 × 4.8 m, grafted onto Pyrus calleryana Decne. Different P-Ca rates were applied (100, 200, 300, and 400 mg∙L–1) in different stages: first, in early spring for all...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pyrus sp.; Vigor; Plant growth regulators; Return bloom; Fruit quality.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052017000300360
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Use of metamitron as an apple thinner. Repositório Alice
GABARDO, G. C.; PETRI, J. L.; HAWERROTH, F. J.; COUTO, M.; ARGENTA, L. C.; KRETZSCHMAR, A. A..
ABSTRACT - The aim of this study was to evaluate the efficacy of metamitron or metamitron plus benzyladenine as a post-bloom thinner on ?Baronesa? and ?Fuji? apples. Three experiments (rate, timing and BA combination) were conducted during two crop seasons, 2013/14 and 2014/15 at the experimental station located in Caçador, SC. Fruit set, fruit drop, yield per tree, fruit size and flowering return were assessed. The efficacy of metamitron was affected by time of application, and when applied at petal fall, promoted the proper adjustment of the production load of plants. Yield per plant reduces, whereas the allocation of fruits in categories of greater size increases proportionally to the increase in the metamitron concentration applied. However, there is...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Post-bloom thinning; Return bloom; Raleio em pós-floração; Queda de frutos; Retorno de floração; Qualidade de frutos; Maçã baronesa; Maçã fuji; Benziladenina; Malus doméstica; Raleio; Maçã; Macieira; Malus doméstica; Fruit drop; Fruit quality.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1084110
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USE OF METAMITRON AS AN APPLE THINNER Rev. Bras. Frutic.
GABARDO,GENTIL CARNEIRO; PETRI,JOSÉ LUIZ; HAWERROTH,FERNANDO JOSÉ; COUTO,MARCELO; ARGENTA,LUIZ CARLOS; KRETZSCHMAR,AIKE ANNELIESE.
ABSTRACT The aim of this study was to evaluate the efficacy of metamitron or metamitron plus benzyladenine as a post-bloom thinner on ‘Baronesa’ and ‘Fuji’ apples. Three experiments (rate, timing and BA combination) were conducted during two crop seasons, 2013/14 and 2014/15 at the experimental station located in Caçador, SC. Fruit set, fruit drop, yield per tree, fruit size and flowering return were assessed. The efficacy of metamitron was affected by time of application, and when applied at petal fall, promoted the proper adjustment of the production load of plants. Yield per plant reduces, whereas the allocation of fruits in categories of greater size increases proportionally to the increase in the metamitron concentration applied. However, there is...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica; Post-bloom thinning; Fruit drop; Return bloom; Fruit quality.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000300701
Registros recuperados: 4
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