Observations on the Occurrence of Sweet Cherry Double-Fruits in Italy and Slovenia

Roversí, A.; Monteforte, A.; Panelli, D.; Folini, L.; Fajt, N.

doi:10.17660/actahortic.2008.795.137

Cited by 10 publications

(8 citation statements)

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“…4). Thus, our results seem to indicate that double fruit production has a strong genetic influence, accordingly with Roversi et al (2008). Caprio and Quamme (2006) found that rainfall during fruit development and harvest of sweet cherry reduced production because of rain-induced cracking.…”

Section: Double Fruits and Cracking Sensitivitysupporting

confidence: 73%

Factors influencing fruit set and quality in different sweet cherry cultivars

Montiel

Serrano²,

Martı́nez-Romero

et al. 2010

Span. j. agric. res.

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The aim of this work is the characterisation of seven cultivars of sweet cherry grown at Murcia (Spain) by determining flower bud density, flower buds drop, number of developing flower buds and total number of flowers per node, fruit set and percentage of double fruits from 2004 to 2007. Also some attributes related to fruit quality, such as fruit weight, colour, soluble solids, total acidity and firmness were evaluated at different ripening stages. 'Brooks' shows high production of flower buds and an appropriate total number of flowers per node in different years, besides high levels of total soluble solids (TSS), ripening index and fruit firmness. 'Burlat' and 'Somerset' ranged medium values of most of the analyzed floral biology and fruit quality parameters. 'Cristobalina' had high fruit set percentages in all years of study (34-42 %), but the fruit size (7.26 ± 0.30 g) and the fruit firmness values were low (1 N mm -1 ). The maturation period of 'Marvin' fruits was very short and at the commercial ripening stage these fruits showed the darkest red colour. In 'Ruby' the fruit set was very erratic and the percentage of double fruits was high. This cultivar presented a good ripening index and fruit firmness levels. 'New Star' is characterized by consistent high fruit set percentages (35-65%), absence of double fruits as well as by good fruit size (12.7 ± 0.54 g), colour and firmness levels (≈2 N mm -1 ). Additional key words: breeding; flower buds; fruit quality; fruit set. Resumen Factores que afectan al cuajado y la calidad del fruto en distintas variedades de cerezoEn este trabajo se ha realizado la caracterización pomológica de siete variedades de cerezo, cultivadas en la Región de Murcia. Se han determinado características florales como densidad de yemas de flor, número de yemas de flor y número total de flores por ramillete, caída de yemas, porcentaje de cuajado de frutos y de frutos dobles desde 2004 hasta 2007. También se determinaron algunos atributos relacionados con la calidad de las cerezas, como peso, color, sólidos solubles, acidez total y firmeza. La variedad 'Brooks' además de mostrar una elevada producción de yemas florales y un número adecuado de flores por ramillete, registró altos niveles de sólidos solubles totales, índice de madurez y firmeza. 'Burlat' y 'Somerset' alcanzaron valores medios en la mayoría de los parámetros de biología floral y calidad de fruto analizados. En 'Cristobalina' el porcentaje de cuajado de frutos fue elevado en todos los años de estudio (34-42%), aunque el tamaño de la cereza (7,26 ± 0,30 g) y sus valores de firmeza (1 N mm -1 ) fueron muy bajos. 'Marvin' presentó un porcentaje de frutos dobles bajo, un período de maduración bastante corto y fue la variedad que presentó el color rojo más oscuro. En 'Ruby' el cuajado de frutos fue muy errático y la presencia de frutos dobles importante. Esta variedad registró un buen índice de madurez, así como buena firmeza. 'New Star' destacó por los elevados porcentajes de cuajado (35-65%) y ausencia de frutos dobles, a...

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Section: Double Fruits and Cracking Sensitivitysupporting

confidence: 73%

Factors influencing fruit set and quality in different sweet cherry cultivars

Montiel

Serrano²,

Martı́nez-Romero

et al. 2010

Span. j. agric. res.

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“…As for regional differences, Southwick et al (1991) found that hot regions without coastal influences tended to have more double fruits than regions with climates moderated by coastal breezes in California. Roversi et al (2008) also observed in Italy and Slovenia, that doubling occurred more frequently in areas where the previous summer was hotter than in the other regions.…”

Section: ) Occurrence Of Double Pistilsmentioning

confidence: 61%

“…Regarding the yearly variation, it was shown that doubling occurred more severely in the spring following hotter weather in the previous summer (Engin and Ünal, 2008;Roversi et al, 2008;Tucker, 1934Tucker, , 1935. We also observed that the higher the temperature from mid-July to mid-August in the previous year, the higher the frequency of doubling (Beppu, 2000) (Fig.…”

Section: ) Occurrence Of Double Pistilsmentioning

confidence: 99%

“…The frequency of doubling was highly variable among cultivars; in several cultivars, such as 'Choinook', 'Karabodur', and 'Bing', 30% or more of fruit had double fruit, although in several other cultivars, such as 'Jubilee', 'Cherie', and 'Takasago', double fruit seldom occurred (Fukai, 1995;Micke et al, 1983;Roversi, 2001;Roversi et al, 2008;Tucker, 1934). In Kagawa, severe pistil doubling occurred in popular cultivars 'Satohnishiki' and 'Napoleon', whereas it occurred only slightly in 'Takasago' (Beppu, 2000).…”

Section: ) Occurrence Of Double Pistilsmentioning

confidence: 99%

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Studies on Pistil Doubling and Fruit Set of Sweet Cherry in Warm Climate

Beppu

Kataoka

2011

J. Japan. Soc. Hort. Sci.

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Recently, attempts have been made to produce sweet cherry in the warm region of Japan, although the occurrence of double fruit, resulting from double pistil formation, and poor fruit set due to frequent physiological fruit drop have become serious problems preventing stable production; however, the inducing factors have not been clarified. Therefore, we investigated the effects of environmental and nutritional conditions on the occurrence of double pistils and poor fruit set. Based on those results, we studied the regulation of pistil doubling and fruit set in this region. In this review, we summarize our studies on the reproduction of sweet cherry in a warm climate.

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“…Water stress during the initiation of flower bud development was highly and significantly correlated with double fruiting in nectarine (Naor et al , 2005). Double fruit in sweet cherry was related to high temperature (above 30°C) during sepal and petal differentiation (Beppu et al , 2001) or carpel differentiation (Philip, 1933; Tucker, 1934), but there was a strong genetic influence (Roversi et al , 2008; Garcia-Montiel et al , 2010).…”

Section: Discussionmentioning

confidence: 99%

Two fruits per pedicel in cacao (Theobroma cacaoL.) – a rare phenotype

et al. 2013

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A rare aberrant fruit phenotype was found in cacao (Theobroma cacao L.) in St Augustine, Trinidad. Double fructification instead of single fructification on a single pedicel was observed. The aberration probably occurred as a result of the formation of two pistils in a single flower. Fruits matured as normal, and fruit morphology and seed number were within the range of that reported for normal fruits of the accession observed in Trinidad. The plant is under investigation and the impact of this finding is highlighted.

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Observations on the Occurrence of Sweet Cherry Double-Fruits in Italy and Slovenia

Cited by 10 publications

References 0 publications

Factors influencing fruit set and quality in different sweet cherry cultivars

Factors influencing fruit set and quality in different sweet cherry cultivars

Studies on Pistil Doubling and Fruit Set of Sweet Cherry in Warm Climate

Two fruits per pedicel in cacao (Theobroma cacaoL.) – a rare phenotype

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