2002
DOI: 10.1590/s0100-29452002000300022
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Effect of aminoethoxyvinilglycine (AVG) on preharvest fruit drop and maturity of apples

Abstract: Apple trees cultivars Gala and Fuji were sprayed four weeks before commercial harvest with aminoethoxyvinilglycine (AVG), at doses of 0, 125, or 250 mg L-1, and assessed for preharvest fruit drop, fruit growth, and maturation on tree. In 'Gala', 64 days after AVG spraying, fruit drop for control treatment was 85%, and AVG (at 125 and 250 mg L-1) reduced it to 10%. In 'Fuji', 64 days after AVG spraying, fruit drop for control was 6%, while treatments with AVG (at 125 and 250 mg L-1) increased fruit drop to 10%.… Show more

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Cited by 32 publications
(32 citation statements)
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“…Fruits were analyzed for total soluble solids (TSS; o Brix), titratable acidity (TEA; meq of malic acid 100mL -1 ), starch pattern index (scale of 1 to 5, where 1 indicates the least and 5 the most starch to sugar conversion), flesh firmness (N), skin background color (scale of 1 to 8, corresponding to dark-green and yellow-green, respectively), severity of russeting (cm 2 fruit -1 ), incidence (%) of bitter pit and lenticels blotch pit, and concentration of N, K, Ca and Mg. Attributes related to fruit quality were determined according to the methodology described by Amarante et al (2002). Since it was not expected any increase of Ca sprays on crop load, both fruit yield and fruit weight were determined for the entire experimental area.…”
Section: Methodsmentioning
confidence: 99%
“…Fruits were analyzed for total soluble solids (TSS; o Brix), titratable acidity (TEA; meq of malic acid 100mL -1 ), starch pattern index (scale of 1 to 5, where 1 indicates the least and 5 the most starch to sugar conversion), flesh firmness (N), skin background color (scale of 1 to 8, corresponding to dark-green and yellow-green, respectively), severity of russeting (cm 2 fruit -1 ), incidence (%) of bitter pit and lenticels blotch pit, and concentration of N, K, Ca and Mg. Attributes related to fruit quality were determined according to the methodology described by Amarante et al (2002). Since it was not expected any increase of Ca sprays on crop load, both fruit yield and fruit weight were determined for the entire experimental area.…”
Section: Methodsmentioning
confidence: 99%
“…Segundo Lurie (2000), AVG reduz o desenvolvimento da cor vermelha dos frutos. Trabalhos desenvolvidos no Brasil também mostraram retardamento da maturação de maçãs Gala pelo AVG (Amarante, 2002). No entanto, os fatores ambientais que podem afetar a eficácia do AVG na cv.…”
Section: Introductionunclassified
“…O desenvolvimento da coloração vermelha da epiderme dos frutos não foi afetado pela aplicação de AVG, diferindo dos resultados obtidos por Amarante et al (2002), Steffens (2005) e Amarante e Steffens (2009) para a cultivar Gala, na qual observaram a redução na cor vermelha dos frutos pela aplicação de AVG.…”
Section: Discussionunclassified
“…O uso de aminoetoxivinilglicina (AVG) pode melhorar a qualidade dos frutos na frigoconservação pela colheita no ponto adequado, além de reduzir as perdas em pré-colheita. Além disso, o atraso da maturação, proporcionado pela aplicação de AVG, poderá prolongar o período entre a floração e a maturação dos frutos que poderá resultar em incremento na massa média dos frutos, como abordado por Greene (1996), Amarante et al (2002) e Petri et al (2007).…”
Section: Introductionunclassified