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.
Vitis L. · Grapevine
GUIDO CIPRIANI/GABRIELE DI GASPERO/MICHELE MORGANTE/ENRICO PETERLUNGER/RAFFAELE TESTOLIN/ SIMONE DIEGO CASTELLARIN
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
HAZERA SEEDS BV
Beta vulgaris Sugar Beet Group · Sugar beet
KWS| KWS SAAT AG
Malus domestica (Suckow) Borkh. · Apple
Prof. Dr. Manfred Fischer / Heinz Murawski + im Institut für Obstforschung Dresden-Pillnitz / Prof. Dr. Christa Fischer
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Monsanto Vegetable IP Management B.V.
Cucumis melo L. · Melon
HAZERA (1939)
Solanum tuberosum L. · Potato
SAKA-RAGIS PFLANZENZUCHT GBR
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Bayer Holland B.V. (NL)
Beta vulgaris Garden Beet Group · Garden beet
Nunhems Germany GmbH
Beta vulgaris Sugar Beet Group · Sugar beet
Delitzsch Pflanzenzucht Gmbh (DE)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
MAURIZIO BACCHI
Beta vulgaris Garden Beet Group · Garden beet
Sakata Vegetables Europe, F
Daucus carota L. · Carrot
Robert Prieur
Beta vulgaris Sugar Beet Group · Sugar beet
Maribo Seed International ApS
Beta vulgaris Sugar Beet Group · Sugar beet
Strube D&S GMBH
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Snowy River Seeds, AUS
Raphanus sativus L. var. oleiformis Pers. · Oil radish
VANDINTER RESEARCH B.V.
Prunus domestica L. · European plum
Zea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Beta vulgaris Sugar Beet Group · Sugar beet
WIELKOPOLSKA HODOWLA BURAKA CUKROWEGO SP.Z.O.O
Beta vulgaris Sugar Beet Group · Sugar beet
LION SEEDS
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Daucus carota L. · Carrot
Ger Beemsterboer
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderhave NV