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.
Solanum lycopersicum L. · Tomato
Bayer Holland B.V.
Cucumis melo L. · Melon
HM.Clause S.A.S.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE & CO.KGAA
Cucumis melo L. · Melon
LA SEMIORTO SEMENTI SRL
Cucumis melo L. · Melon
De Ruiter Zonen (HR)
Lolium multiflorum Lam. · Italian ryegrass
PADANA SEMENTI ELECT SRL
Beta vulgaris Sugar Beet Group · Sugar beet
Syngenta Crop Protection AG, CH
Beta vulgaris Sugar Beet Group · Sugar beet
KWS Saat AG, DE
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Harris Moran Seed Co.
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE NV-SA, BE
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Solanum lycopersicum L. · Tomato
Domaine Public (FR)
Malus domestica (Suckow) Borkh. · Apple
Domaine Public (FR)
Cucumis melo L. · Melon
UNITED GENETICS SEEDS CO
Cucumis melo L. · Melon
Tezier SA (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
DLF Beet Seed APS
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Cucumis melo L. · Melon
UNITED GENETICS SEEDS CO
Beta vulgaris Sugar Beet Group · Sugar beet
Danisco Seed
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
HAZERA (1939)
hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner
Rijk Zwaan Zaadteelt en Zaadhandel B.V.