Poda verde e qualidade do fruto da ameixeira em alta densidade

Carvalho, Ruy Inácio Neiva de; Sorrenti, Giovambattista; Pereira, Gabriely Pinto; Vendramim, Daniel William; Oliveira, Raphael de Freitas; Kussler, Ronei Emerson

doi:10.21674/2448-0479.11.69-73

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…The G52 and G7 approaches treated with concentrations of 6 and 7% of ATS and with manual thinning resulted in a fruit diameter greater than 46 mm. Such a fruit diameter is considered to be higher than the 40-mm obtained for cultivar Irati, which was treated with ethephon (PAVANELLO, AYUB, 2012), as well as thresholds of 45.80 and 45.90 mm for cultivar Polirosa subjected to green pruning (CARVALHO et al, 2015). Fruits of the G53 access thinned under concentrations of 8 -9% of ATS presented fruits with a diameter of 46.95 mm, being superior to the manual thinning of this access (Fig.…”

Section: Resultsmentioning

confidence: 97%

Ammonia thiosulfate in Japanese plum tree thinning

et al. 2019

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In order to test the use of ammonia thiosulfate (ATS) in the chemical thinning of the Japanese plum tree, a field experiment was conducted throughout the 2015/2016 and 2016/2017 crop growing seasons at Ponta Grossa, PR, Brazil. The experimental design adopted herein was a randomized block design (RBD). During the 2015/2016 season, the trial was comprised of two accesses and six treatments, such as T1 (control); T2 (ATS 4%); T3 (ATS 5%); T4 (ATS 6%); T5 (ATS 7%) and T6 (manual thinning) with four replications. During the 2016/2017 season, solely one plum tree access was taken into account along with six treatments, such as T1 (control); T2 (ATS 6%); T3 (ATS 7%); T4 (ATS 8%); T5 (ATS 9%) and T6 (manual thinning) and four replications. The evaluations were performed seven days before the application of ATS and 30 days before harvest to establish the percentage of fruit drop. The following response variables were assessed: diameter (D), fresh mass (MF), firmness (N), soluble solids (SS), titratable acidity (AT), ratio, pH and plant production (PP). Experimental data were compared by means of the Tukey test at 5% probability. The concentration of 8 % ATS was efficient in the chemical thinning of the Japanese plum fruits, having a diameter and productivity similar to the manual thinning, evidencing that such a product was amenable to enhance commercial fruit quality.

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Section: Resultsmentioning

confidence: 97%

Ammonia thiosulfate in Japanese plum tree thinning

et al. 2019

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Efeito da aplicação de Etefom como raleante químico na cultura da macieira no Planalto Norte Catarinense

Fernandes,

Pires Neto,

Würz

2024

Rev. Ciênc. Agrovet.

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Tem-se como objetivo deste trabalho avaliar o efeito da aplicação de Etefom como raleante químico de frutos em macieiras cultivadas no Planalto Norte Catarinense. O experimento foi desenvolvido no município de Monte Castelo, Santa Catarina, em um pomar comercial, sob a cultivar de maçã Eva, com 2.500 plantas/ha. Os tratamentos avaliados foram: T1 – Raleio Manual; T2 - Etefom. T3 - Etefom + repasse manual; T4 - Duas aplicações de Etefom. Foi utilizado o produto Ethrel® (Etefom), com uma dose de 2 L/ha. O raleio químico é eficiente ao resultar em queda de frutos, no entanto, faz-se necessário a adoção do repasse manual. O raleio manual apresentou menor custo, no entanto, demanda elevado período de realização por hectare, o que pode inviabilizar a realização do manejo do raleio de frutos no momento adequado, e dessa forma, a aplicação do raleante químico torna-se um importante manejo na cultura da maçã, em função do reduzido tempo para sua realização.

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Poda verde e qualidade do fruto da ameixeira em alta densidade

Cited by 2 publications

References 9 publications

Ammonia thiosulfate in Japanese plum tree thinning

Ammonia thiosulfate in Japanese plum tree thinning

Efeito da aplicação de Etefom como raleante químico na cultura da macieira no Planalto Norte Catarinense

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