Variety traits
Sugar content is an indicator of the concentration of natural sugars in fruits or root crops, determining nutritional value and suitability for processing. This genetic trait is measured in degrees Brix (°Brix) or sugar degrees (°Z) and is critical for assessing variety quality.
Mentioned in descriptions 14 616 varieties reference book.
Sugar content characterizes the concentration of glucose, fructose, and sucrose in plant tissues. For the processing industry, this indicator is a key requirement determining the yield of the finished product, whereas for table crops, it shapes the flavor balance in combination with acidity. A variety's ability to accumulate sugars promptly also allows for effective planning of harvest dates and production facility capacity.
Sugar content is measured using laboratory and field methods. Refractometry allows for the assessment of solids content in degrees Brix, polarimetry determines sucrose concentration in international sugar degrees, and areometry establishes the indicator by measuring juice density. The choice of method depends on the crop and the objectives of the analysis, whether for express assessment or establishing the commercial value of raw materials.
The realization of the genetic potential for sugar content depends on environmental conditions and agrotechnics. Light intensity and the sum of active temperatures, which determine the intensity of photosynthesis, have a significant influence, as do moisture availability and mineral nutrition, particularly potassium supply. During variety trials, breeding material is compared with standards, which allows for the identification of varieties with high stability of sugar accumulation under various climatic conditions.
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.
Cucurbita maxima Duchesne · Giant pumpkin
Domaine Public (FR)
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Beta vulgaris Garden Beet Group · Garden beet
Sakata Vegetabels Europe, F
Ribes nigrum L. · Blackcurrant
Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Genetics Grandes Cultures SA (FR)
Vitis vinifera L. · Common grape vine
Maliukina Nina Anatoliivna, Mazurenko Liudmyla Stepanivna, Kovalova Iryna Anatoliivna, Chysnikov Vitalii Stepanovych, Tulaieva Maiia Ivanivna,
Allium cepa L. · Onion
SPERLING| Carl Sperling & Co. (GmbH & Co. KG)
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Hal`chyns`ka Valentyna Andriivna, Plekhanova Tamara Fedorivna,
Beta vulgaris Garden Beet Group · Garden beet
Ger Bimsdeboer
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Cucumis melo L. · Melon
Larry Hollar, Xuemei Zhang,
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Seliukh IUrii Omel`ianovych, Diakov Anatolii Andriiovych,
Solanum lycopersicum L. · Tomato
KWS VEGETABLES B.V.
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Prunus armeniaca L. · Apricot
Benoit Escande (FR)
Malus domestica (Suckow) Borkh. · Apple
Andreas Peil, Crista Fischer,
Solanum lycopersicum L. var. lycopersicum · Tomato
LAMBOSEEDS S.R.L.
Solanum lycopersicum L. · Tomato
J. Hoogstarten
Vitis vinifera L. · Common grape vine
Dimitar Mitev, Zdravko Zankov, Ivan Todorov
Malus domestica (Suckow) Borkh. · Apple
Andreas Peil, Crista Fischer,
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Lymar Anatolii Ostapovych, Didenko Volodymyr Pavlovych, Britik Ol`ha Anatolivna,
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
SEMILLAS FITO, S.A.
Amelanchier canadensis (L.) Medik. · Juneberry
Mezhenskyi Volodymyr Mykolaiovych
Capsicum annuum L. · Bell pepper
SAKATA VEGETABLES EUROPE SAS