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.
Capsicum annuum L. · Bell pepper
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
Festuca arundinacea Schreb. · Tall fescue
Vincent Beguier
Pisum sativum L. · Pea
PURE LINE SEEDS
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
PIONEER HI-BRED INTERNATIONAL
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Sakata Vegetables Europe, F
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Prunus avium (L.) L. · Sweet cherry
Výzkumný a Šlechtitelský ústav Ovocnářský Holovousy s.r.o.
Daucus carota L. · Carrot
Vilmorin, F
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Stoppel Peter
Solanum tuberosum L. · Potato
GUUS HESELMANS
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
YEN MIN CHANG
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucurbita moschata Duchesne · Butternut squash
Sakata Vegetables Europe S.A.S
Lolium perenne L. · Perennial ryegrass
Institute of Grasslands & Environmental Research
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
PLANTAS DE NAVARRA, S.A.(PLANASA)
Solanum tuberosum L. · Potato
Y P VAN DER WERFF
Prunus armeniaca L. · Apricot
Maillard Arsene / Maillard Laurence
Vaccinium corymbosum L. · Highbush blueberry
PLANTAS DE NAVARRA, S.A., SOCIEDAD UNIPERSONAL, O PLANASA
Vitis vinifera L. · Common grape vine
David W. Cain, PhD.
Vitis vinifera L. · Common grape vine
David W. Cain, PhD.
Ananas comosus (L.) Merr. · Pineapple
YOUNG THOMAS R.^^^SAUTER HANS^^^MORALES JUAN LUIS
Rubus idaeus L. · Red raspberry
NIAB EMR, United Kingdom
Vaccinium corymbosum L. · Highbush blueberry
PLANTAS DE NAVARRA, S.A., SOCIEDAD UNIPERSONAL, O PLANASA
Vaccinium corymbosum L. · Highbush blueberry
PLANTAS DE NAVARRA, S.A., SOCIEDAD UNIPERSONAL, O PLANASA