Grape Maturity, Yield, Quality, Sensory Properties, and Consumer Acceptance of Fiesta and Selma Pete Dry-on-Vine Raisins

Parpinello, Giuseppina Paola; Heymann, Hildegarde; Vasquez, Stephen; Cathline, Kimberley A.; Fidelibus, Matthew W.

doi:10.5344/ajev.2012.11094

Cited by 13 publications

(17 citation statements)

References 12 publications

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“…The traditional system produced a lower yield (4.44 to 7.33 kg/vine). Also, Parpinello et al (2012) showed that, for the Fiesta and Selma Pete varieties, there were no differences in yield (kg/vine) with differences of 1°Brix or 2°Brix at cane severance. In the current study, Flame Seedless showed no differences in yield (kg/vine) with a 2°Brix difference between treatments in the 2015/2016 season.…”

Section: Resultsmentioning

confidence: 92%

“…Fruiting canes should be cut near their base to ensure that cane cutting causes most clusters on the vine to commence drying (Whiting, 1992). Also, in varieties like Fiesta and Selma Pete, cane severance at more than 19°Brix is associate with greater raisin yields (kg/vine) than vines whose canes are severed with less soluble solids (Parpinello et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

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Effect of Pruning Severity on Yield, Drying Time and Wages in Flame Seedless Dry-on-vine and Traditional Raisin Production Systems in Argentina

Espíndola

Camargo

Pringles

et al. 2018

SAJEV

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Raisin grapes are potentially more profitable than wine grapes in San Juan, Argentina, although the traditional system of grape drying requires an extensive use of costly labour. Production costs might be reduced by adopting the dry-on-vine (DOV) raisin-making system, but the feasibility of DOV in Argentina has not been assessed, and neither have the costs and pruning schemes. Thus we determined drying time and yields, estimated wages per hectare, and determined the influence of pruning severity on Flame Seedless raisin grapes. A completely random design with six treatments and six replicates was used in the 2013 to 2016 seasons. The treatments comprised differences in the nodes per cane, nodes per vine, distribution of nodes, and sugar content. Descriptive statistics and variance analysis were calculated for fresh fruit weight, dry fruit weight, drying ratio and drying time. The leaf area and its relationship with dried fruit weight also were calculated. These data were processed with the Infostat program. The DOV system demands between 11 and 31 additional days during the drying period and reduces labour costs by between 38% and 64% compared to the traditional system. Long pruning with the same load of buds is better. Furthermore, the DOV system is not associated with a lower production and thus appears to be a financially sustainable alternative to traditional production systems for Flame Seedless raisin grape producers in Argentina.

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Section: Resultsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Effect of Pruning Severity on Yield, Drying Time and Wages in Flame Seedless Dry-on-vine and Traditional Raisin Production Systems in Argentina

Espíndola

Camargo

Pringles

et al. 2018

SAJEV

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show abstract

“…Juice pH and titratable acidity were determined with an automatic titrator (DL 50; Mettler Toledo, Columbus, OH), using 0.10 N sodium hydroxide and an endpoint of 8.2 pH. Berry soluble solids were found to be >20%, the minimum needed to make raisins (Parpinello et al, 2012), so the experiments commenced. Solutions were applied between 0730 and 0830 HR with a motorized backpack sprayer (Solo, Newport News, RI).…”

Section: Methodsmentioning

confidence: 99%

“…However, drying emulsion is not widely used in California because a darkcolored ''natural'' raisin is preferred. Thus, in California, the risk of inadequate drying is primarily managed by initiating cane severance as soon as fruit have amassed ‡ 20% soluble solids (Parpinello et al, 2012).…”

mentioning

confidence: 99%

“…Raisin grapes that ripen earlier than 'Thompson Seedless', such as 'Selma Pete', have been selected for DOV (Fidelibus et al, 2008). Prompt cane severance of early-ripening varieties greatly increases the likelihood of adequate drying (Parpinello et al, 2012), but additional measures may be beneficial in years when grapes ripen later than normal, or when atypically cool or wet weather occurs during the normal drying period. Drying should be hastened by canopy management practices that increase fruit exposure to the sun.…”

mentioning

confidence: 99%

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Ethephon with 1-Aminocyclopropane-1-Carboxylic Acid Can Defoliate Grapevines, and Thereby Improve Vine-drying of Grapes

Costa

Filho

Fidelibus

2015

hortte

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In two experiments, various combinations of ethephon, with or without 1-aminocyclopropane carboxylic acid (ACC), were applied to the fruiting zone of ‘Selma Pete’ raisin grapes (Vitis vinifera) to determine whether any could serve as a defoliant, and if so, whether defoliation improved subsequent vine drying of the grapes. In the first experiment, the fruiting zone was treated on 8 Aug. 2013 with a control (water) and one of four plant growth regulator (PGR) treatments: 1000 ppm ethephon, 1000 ppm ethephon plus 1000 ppm ACC, 2000 ppm ethephon, and 2000 ppm ethephon plus 1000 ppm ACC. In the first experiment, treatment with any of the PGRs hastened leaf senescence, but leaf greenness, measured with a SPAD meter, declined most rapidly in leaves from vines treated with 2000 ppm ethephon or 2000 ppm ethephon plus 1000 ppm ACC, and defoliation was best in vines treated with 2000 ppm ethephon plus 1000 ppm ACC. None of the treatments in the first study affected berry composition, hastened berry drying, or ultimately affected raisin moisture or quality. In a second experiment, initiated 18 days later, a factorial design was employed to determine whether three chemical treatments, a control (water spray), 2000 ppm ethephon, and 2000 ppm ethephon plus 1000 ppm of ACC, might interact with fruiting zone orientation (east or west facing) to affect leaf senescence or berry drying. The second study confirmed that 2000 ppm ethephon and 2000 ppm ethephon plus 1000 ppm ACC induced rapid leaf senescence. Defoliation proceeded more rapidly in the second study and by 13 days after treatment, vines treated with 2000 ppm ethephon plus 1000 ppm ACC had less than one leaf layer remaining in the fruiting zone compared with more than 2.5 leaf layers in untreated vines. Treatments again had no effect on berry fresh weight or composition, but grapes on west-facing vines treated with 2000 ppm ethephon plus 1000 ppm ACC dried significantly better than grapes on vines subjected to other treatments, possibly because the higher temperatures of west-facing vines coupled with better defoliation of the 2000 ppm ethephon plus 1000 ppm ACC treatment was sufficient to improve grape drying compared with vines subjected to other trellis orientation and chemical treatment combinations. Therefore, we conclude that treatment with ethylene-promoting PGRs can defoliate the fruiting zone of ‘Selma Pete’ grapes with divided canopies, and such defoliation treatments may enhance berry drying when drying is initiated later than normal.

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2015

The Science of Grapevines

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Grape Maturity, Yield, Quality, Sensory Properties, and Consumer Acceptance of Fiesta and Selma Pete Dry-on-Vine Raisins

Cited by 13 publications

References 12 publications

Effect of Pruning Severity on Yield, Drying Time and Wages in Flame Seedless Dry-on-vine and Traditional Raisin Production Systems in Argentina

Effect of Pruning Severity on Yield, Drying Time and Wages in Flame Seedless Dry-on-vine and Traditional Raisin Production Systems in Argentina

Ethephon with 1-Aminocyclopropane-1-Carboxylic Acid Can Defoliate Grapevines, and Thereby Improve Vine-drying of Grapes

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