Variety traits
Fruit acidity is a biological trait of a variety that determines taste quality, suitability for processing, and resistance to spoilage. It is assessed via the total concentration of all acids contained in the fruit.
Mentioned in descriptions 10 508 varieties reference book.
Fruit acidity is a biochemical quality indicator reflecting the sugar-acid ratio, which shapes the taste of the produce. This parameter determines the suitability of fruits for fresh consumption or industrial processing and also influences storage life, as an increased acidity level inhibits the development of pathogenic microorganisms.
For objective evaluation, the titratable acidity index is used, representing the total concentration of free acids and their salts. In laboratory conditions, this parameter is determined by the titration method using alkaline solutions until a fixed pH level is reached. The measurement results are expressed in grams per 100 grams of product or as a percentage.
In official variety testing, acidity is evaluated as one of the key quality indicators, often in combination with sugar content via the sugar-acid ratio. The final values of the trait depend on the crop species, although they are also influenced by the maturity stage of the fruits, growing conditions, and the mineral nutrition regime of the plants.
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :HBA B.V.
Solanum lycopersicum L. · Tomato
Bayer Holland B.V.
Malus domestica (Suckow) Borkh. · Apple
Pepinieres du Valois Sarl (FR)/Institut National de la Recherche Agronomique (FR)
Triticum durum Desf. · Durum wheat
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
Prunus persica (L.) Batsch · Peach
Lowell Glen Bradford (US)
Triticum aestivum L. · Bread wheat
Danko Hodowla Roslin Sp.z.o.o.
Vitis vinifera L. · Common grape vine
Staatliche Lehr- und Versuchsanstalt für Wein- und Obstbau Weinsberg
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Rampp
Vitis L. · Grapevine
Valentin Blattner
Prunus persica (L.) Batsch · Peach
Thomas O. CHAMBERLIN (US)
Prunus armeniaca L. · Apricot
Cot International S.A.R.L.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Wood Timothy D
Trifolium pratense L. · Red clover
INTERNATIONAL SEEDS INC
Vitis L. · Grapevine
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Vitis L. · Grapevine
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Hydrangea L. · Hydrangea
RAMPP JUNGPFLANZEN GMBH & CO. VERTRIEBS KG
Vitis vinifera L. · Common grape vine
Ralli, Giuseppe|Victoria, Australia / Ralli, Iolanda|Victoria, Australia / Ralli, John|Victoria, Australia / Ralli, Joseph|Victoria, Australia
Prunus persica (L.) Batsch · Peach
Viveros Provedo, S.A.
Prunus salicina Lindl. · Japanese plum
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :HBA B.V.
Medicago sativa L. · Alfalfa
SCHITEA MARIADRAGAN LENUTA
Prunus persica (L.) Batsch · Peach
Bouchet Christophe
Citrus L. · Citrus
Vardi Aliza
Prunus persica (L.) Batsch · Peach
Bouchet Christophe