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001-es BibID:	BIBFORM129154
035-os BibID:	(Scopus)85183715242
Első szerző:	Tóth Adrienn (PhD hallgató)
Cím:	The effects of vintage and cane girdling on the texture properties of some table grape cultivars in a cool climate region / A. M. Tóth, S. Veres, Z. Zsófi
Dátum:	2024
ISSN:	0567-7572
Megjegyzések:	Texture profil analysis of five Hungarian-bred grape cultivars (♭Éva', ♭Kozma Pálné', ♭Favorit', ♭Muscat Pölöskei' and ♭Pannónia') was carried out between 2020 and 2022 in the northern part of Hungary. The objectives of the study were to investigate the effect of vintage and the application of girdling as a special canopy management method. ♭Favorit' and ♭Muscat Pölöskei' were girdled at the berry development stage of pea-size and at veraison in 2022. Berry mechanical properties (berry hardness ? BH, skin hardness ? Fsk, skin thickness ? Spsk) are evaluated by TA.XTplus Texture Analyzer at the same maturity status (?Brix ?16) for each cultivar. The total soluble solids (?Brix), as well as the berry size, were measured. Based on the average temperature and precipitation data during the intensive berry development phase (April-August), 2020 and 2022 were drier years, and 2022 was the driest and hottest year compared to 2020 and 2021. Results show that ♭Éva', ♭Favorit', ♭Pannónia', and ♭Muscat Pölöskei' had softer berries and ♭Favorit' and ♭Pannonia' had softer skin in 2020 and 2022 compared to 2021. In 2021, the amount and distribution of percipitation were more favorable than in other years throughout the berry growth period. Regarding the texture analysis, girdling at both time resulted in harder berries compared to the control for ♭Favorit' and ♭Muscat Pölöskei' in 2022. Fsk showed significantly higher values for pea-size girdling compared to the control and the veraison girdled samples of ♭Pölöskei muskotaly'. Early (pea-size) girdled berry samples had greater diameters and weights for both cultivars than samples from the other two treatments. In conclusion, vintage greatly influences berry texture properties. Indeed, a drier year results in softer skin and softer berries. Howewer, girdling may reduce the so called vinteage impact and result in benefical effects on mechanical properties.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok konferenciacikk folyóiratcikk vintage effect special phytotechnical practices grape quality
Megjelenés:	Acta Horticulturae. - 1385 (2024), p. 147-156. -
További szerzők:	Veres Szilvia (1972-) (biológus, biológia középiskolai tanár, angol-magyar szakfordító) Zsófi Zsolt (1970-) (biológus)
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001-es BibID:	BIBFORM106433
035-os BibID:	(WoS)000900858500001 (Scopus)85144836412
Első szerző:	Tóth Adrienn (PhD hallgató)
Cím:	Cane Girdling Influence on the Berry Texture Properties of Three Table Grape Varieties / Adrienn Mária Tóth, Zsolt Zsófi, Szilvia Veres
Dátum:	2022
ISSN:	2311-7524
Megjegyzések:	The effects of cane girdling on the berry texture characteristics were studied in three table grape cultivars. The application was carried out at véraison. The total soluble solids (TSS, °Bx) of berry must and berry weight were measured. The berry mechanical properties were investigated by a texture analyser. A double compression test was used to determine berry hardness and its derived parameters. A puncture test was also applied to assess skin hardness, skin elasticity and skin break energy. Skin thickness was also investigated. The sugar concentration of the must and the berry weight after the girdling treatment were significantly higher compared to those of the control. Berry hardness, skin hardness and skin thickness were significantly affected by this technique. The changes in berry mechanical and quality parameters with this application did not show the same pattern as those observed during control ripening. Notably, in our experiment, after the girdling treatments, the higher berry hardness was accompanied with a higher sugar concentration compared to the control. The skin hardness showed lower values as a result of girdling. However, skin thickness was significantly higher in the girdled berries compared to the non-treated vines.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk girdling texture profile analysis (TPA) table grapes berry texture properties
Megjelenés:	Horticulturae. - 8 : 12 (2022), p. 1-12. -
További szerzők:	Zsófi Zsolt (1970-) (biológus) Veres Szilvia (1972-) (biológus, biológia középiskolai tanár, angol-magyar szakfordító)
Pályázati támogatás:	TKP2021-NKTA-16 Egyéb
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001-es BibID:	BIBFORM105980
Első szerző:	Tóth Adrienn (PhD hallgató)
Cím:	Texture analysis as a method for grape berry characterization / Adrienn Mária Tóth, Szilvia Veres, Zsolt Zsófi
Dátum:	2022
ISSN:	1587-1282
Megjegyzések:	The marketability of table grapes is mainly characterized by berry size, color, taste and texture. Mechanical measurements of table grape berries could provide objective information on the textural qualities of grape berries. In addition, this method might be suitable to study the effects of phytotechnical methods (such as girdling) on table grape quality. The aim of this preliminary work was to demonstrate how instrumental testing could be used to examine the effects of girdling on berry grape texture and define the textural characteristics of table grape berries. Cane girdling was carried out at veraison in two table grape varieties. Texture analysis was performed several times during the maturity. Besides this examination another five varieties were analyzed to assess their berry mechanical properties. Double compression test was used to determine berry hardness and its derived parameters. Puncture test was applied to evaluate skin hardness, skin elasticity and skin break energy. Skin thickness was also investigated. Berry hardness, skin hardness and skin thickness of the girdled grapevines were significantly affected by this technique. Most of the textural parameters showed differences among the seven cultivars.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény hazai lapban folyóiratcikk Table-grape girdling texture profile analysis (TPA) texture properties
Megjelenés:	Agrártudományi közlemények = Acta agraria Debreceniensis. - 2022 : 2 (2022), p. 57-64. -
További szerzők:	Veres Szilvia (1972-) (biológus, biológia középiskolai tanár, angol-magyar szakfordító) Zsófi Zsolt (1970-) (biológus)
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