Möglichkeiten zur Verbesserung der Rotfärbung bei Äpfeln

Blanke, Michael

doi:10.1007/s10341-015-0234-x

Cited by 16 publications

(14 citation statements)

References 23 publications

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“…Differential behavior was observed between the harvests studied (Table 3). In season 2017/2018, the plants were treated with Physiogrow 7DBH, which reduced the production of fruits with red epidermis color by 50% and 51%, and increased 187, 6% of fruits allocated in the category of greater coloration of the epidermis, compared to 7 DBH treatments also increased the percentage of fruits in the higher staining category. In the second harvest, 2018/2019, there was greater variation among treatments, mainly in the percentage of fruits in the category of less staining that was quite irregular.…”

Section: Resultsmentioning

confidence: 99%

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Strategies for Increasing the Apple Epidermis Red Colored with Physiogrow® Color

Gabardo

Freitas²,

Contini

et al. 2019

JEAI

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Aims: Evaluate different dosages and number of applications of the commercial product Physiogrow® Color on the percentage of red coloration of the epidermis, productivity and fruit quality in 'Royal Gala' apple trees, in the Midwest region of the state of Santa Catarina, Brazil. Study Design: The experiment was arranged in a randomized block design with five replications. Place and Duration of Study: The experiment was carried out in the municipality of Fraiburgo-SC, Brazil (latitude 27º01'S, longitude 50º77’ W, altitude 950 meters), during the growing seasons of 2017/2018 and 2018/2019. Methodology: The treatments were: Control (No application), Physiogrow® color (4, 8 and 12 L ha-1) 7 days before harvest (DBH), Physiogrow® Color 2 L ha-1 (30 DAC) + 2 L ha-17 DBH, Physiogrow® Color 4 L ha-1 (30 DBH) + 4 L ha-17 DBH, and Physiogrow® Color 6 L ha-1 (30 DBH) + 6 L ha-1 7 DBH. The variables evaluated were: Production (kg plant-1 and fruits plant-1), average fresh fruit mass (g), classification of fruits by percentage of red coloration of the epidermis (<50%, 50-80% and > 80%), firmness of the pulp (lb in-2) and soluble solids (°Brix). The harvest was carried out on January 25, 2018 and February 16, 2019, first and second year, respectively. Plant production, as well as pulp firmness of fruits, were not affected by treatments, in both years. Physiogrow® Color promoted better distribution of fruits in categories of greater red coloration of the epidermis and reduction of the percentage of fruits in the category with coloration inferior to 50%, although a different behavior among the harvests was observed. The application of Physiogrow® Color 8 L ha-1 7 DBH contributes to the improvement of the coloration of ‘Royal Gala’ apples.

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Section: Resultsmentioning

confidence: 99%

“…The visual quality and size of the fruits play an important role in the national and international markets, since they establish the price of the apple when classified for packaging and export [5,6,7].…”

Section: Introductionmentioning

confidence: 99%

Strategies for Increasing the Apple Epidermis Red Colored with Physiogrow® Color

Gabardo

Freitas²,

Contini

et al. 2019

JEAI

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“…6a), der man durch Entfernen der beschattenden Laubblätter um die Früchte von Hand (Abb. 6) und Verwendung von Reflexionsfolien entgegenzuwirken versuchte (Blanke 2015). Dazu werden hauchdünne Aluminium beschichtete PE-Folien unter den Baumreihen 2-3 Wochen vor Erntetermin ausgelegt (Abb.…”

Section: Verbesserung Der Fruchtfarbeunclassified

Chile – Exportrekorde im Obstbau im Schatten der Anden

Blanke

Yuri

2020

Erwerbs-Obstbau

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Araucania ausgeweitet. Der Apfelanbau ist geprägt durch Frost-und eine hohe Sonnenbrandgefahr, genügend Niederschläge und ausreichend Kältereiz, die zu Erträgen von 60-110 t Äpfel/ha bzw. 10-15 t/ha bei Süßkirschen führen. Ziel ist-bei nur 18 Mio. Einwohnern Chiles-einen hohen Anteil Premiumfrüchte für den Export im Winter auf der nördlichen Hemisphäre zu erzielen-China, USA und Europa sind die Hauptabnehmer.

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“…The visual quality of apples (color, size, shape and absence of defects) plays an important role in the national and international market, since it determines their commercial value (BLANKE, 2015). The first quality attribute evaluated by consumers is color, making it the most important attribute (CHEN et al, 2017).…”

Section: Introducionmentioning

confidence: 99%

“…In this context, several management techniques can be used to intensify light incidence in the apple tree canopy and to improve the red color of fruits, such as new management systems, green pruning, dwarf rootstocks, use of reflective mulch, fruit bagging, defoliation, thinning and irrigation (BLANKE, 2015). However, the use of these techniques requires manpower and / or the implantation costs are high and logistic difficulties do not compensate the financial return of the production of apples with better red coloration.…”

Section: Introducionmentioning

confidence: 99%

Alternatives to increase the red color of the peel in ‘Daiane’ and ‘Venice’ apples

Fenili

Petri²,

Steffens

et al. 2019

Rev. Bras. Frutic.

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This study aimed evaluate the effect of biostimulants, foliar fertilizers and ethephon on the red color in the peel of ‘Daiane’ and ‘Venice’ apples. The experiments were conducted in Caçador/SC, during 2015/2016 and 2016/2017 seasons. In 2015/2016, the treatments were: Control; Biostimulant I; Foliar fertilizer I + Foliar fertilizer II; Biostimulant II and KCl. In 2016/2017, was included the Ethephon treatment. In 2016/2017, Biostimulant I, Foliar fertilizer I + Foliar fertilizer II and Biostimulant II increased the percentage of ‘Daiane’ and ‘Venice’ apples with greater red peel cover, without affecting the quality and maturity of the fruits. In both cultivars, ethephon was treatment that promoted a higher percentage of apples in the category above 80% of red color. Ethephon increased red color intensity of ‘Daiane’ and ‘Venice’ apples, anthocyanin content, starch index, ethylene production and yellowing of background color of the fruits. The red coloration of ‘Venice’ apple peels is enhanced with ethephon, Biostimulant I and Foliar fertilizer I + Foliar fertilizer II and Daiane apples with ethephon, Foliar fertilizer I + Foliar fertilizer II and Biostimulant II.

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Möglichkeiten zur Verbesserung der Rotfärbung bei Äpfeln

Cited by 16 publications

References 23 publications

Strategies for Increasing the Apple Epidermis Red Colored with Physiogrow® Color

Strategies for Increasing the Apple Epidermis Red Colored with Physiogrow® Color

Chile – Exportrekorde im Obstbau im Schatten der Anden

Alternatives to increase the red color of the peel in ‘Daiane’ and ‘Venice’ apples

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