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
Pieterpik B.V.
Sinapis alba L. · White mustard
RAGT 2n
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Florimond Desprez Veuve et Fils, FR
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
NUNHEMS
Cucumis melo L. · Melon
SAKATA VEGETABLES EUROPE SAS
Sinapis alba L. · White mustard
PHP PETERSEN
Beta vulgaris Sugar Beet Group · Sugar beet
SAS FLORIMOND-DESPREZ Veuve et Fils
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE & CO.KGAA
Beta vulgaris Sugar Beet Group · Sugar beet
MariboHilleshög ApS
Malus domestica (Suckow) Borkh. · Apple
SNC Elaris| FR
Solanum tuberosum L. · Potato
Germicopa Breeding S.A.S
Lolium x hybridum Hausskn. · Hybrid ryegrass
L. DÆHNFELDT A/S
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Syngenta Seeds
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE NV-SA, BE
Beta vulgaris Garden Beet Group · Garden beet
Sakata Vegetables Europe, F
Daucus carota L. · Carrot
Bejo Zaden B.V.
Pisum sativum L. · Pea
Paul Degreef
Beta vulgaris Garden Beet Group · Garden beet
RIJK ZWAAN WELVER GmbH, DE
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Nunhems BV (NL)
Beta vulgaris Garden Beet Group · Garden beet
Vilmorin SA (FR)