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.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Syngenta Seeds B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
WOLFGANG MECHELKE
Brassica oleracea L. (White Cabbage Group) · White cabbage
HAZERA SEEDS B.V.
Daucus carota L. · Carrot
Vilmorin SA (FR)
Solanum tuberosum L. · Potato
Lars Naested
Prunus avium (L.) L. · Sweet cherry
Výzkumný a Šlechtitelský ústav Ovocnářský Holovousy s.r.o.
Solanum lycopersicum L. · Tomato
TOMAS DAVID LOMAS CANO
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
LIDEA FRANCE SAS
Beta vulgaris Sugar Beet Group · Sugar beet
Sesvanderhave, B
Beta vulgaris Sugar Beet Group · Sugar beet
STRUBE RESEARCH GMBH and CO KG
Daucus carota L. · Carrot
Khans Kole
Beta vulgaris Garden Beet Group · Garden beet
Semenarna Ljubljana, SI
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
UNITED GENETICS SEEDS CO
Solanum lycopersicum L. · Tomato
Vittorio Stravatto
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
HAZERA SEEDS B.V.
Vitis L. · Grapevine
GUIDO CIPRIANI/GABRIELE DI GASPERO/MICHELE MORGANTE/ENRICO PETERLUNGER/RAFFAELE TESTOLIN/ SIMONE DIEGO CASTELLARIN
Brassica oleracea L. (White Cabbage Group) · White cabbage
Pierre Hurier
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Hazera Genetics Ltd (IL)
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Sinapis alba L. · White mustard
VANDINTER SEMO B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Maribo Seed International ApS
Beta vulgaris Sugar Beet Group · Sugar beet
SYNGENTA WINTER OILSEED AB