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
VanderHave Sugar Beet Seed B.V.
Solanum lycopersicum L. · Tomato
Syngenta Crop Protection AG
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE&CO.KGaA, DE
Vitis vinifera L. · Common grape vine
Staatliches Weinbauinstitut Freiburg
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V./S.A.
Cucumis melo L. · Melon
Syngenta Crop Protection AG
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE & CO.KGAA
Cucumis melo L. · Melon
Gautier Semences SAS (FR)
Beta vulgaris Fodder Beet Group · Mangelwurzel
VEREDELINGSSTATION AG
Beta vulgaris Sugar Beet Group · Sugar beet
DLF Beet Seed APS
Prunus armeniaca L. · Apricot
José Egea Caballero
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Ciref Création Variétale Fraises - Fruits Rouges
Vaccinium corymbosum L. · Highbush blueberry
JAMES HUTTON LTD
Beta vulgaris Sugar Beet Group · Sugar beet
WIELKOPOLSKA HODOWLA BURAKA CUKROWEGO SP.Z.O.O
Beta vulgaris Sugar Beet Group · Sugar beet
WIELKOPOLSKA HODOWLA BURAKA CUKROWEGO SP.Z.O.O
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Nicotiana tabacum L. · Tobacco
HAO-DEMETER Cotton and Industrial Crops Institute
Cucumis melo L. · Melon
HAZERA SEEDS BV
Solanum tuberosum L. · Potato
BOZESAN ION
Ficus carica L. · Common fig
DESCONOCIDO/INSCRIPCIÓN DE OFICIO
Prunus persica (L.) Batsch · Peach
Floyd Zaiger (US)
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Beta vulgaris Sugar Beet Group · Sugar beet
Strube, D
Prunus domestica L. · European plum
Floyd Zaiger (US)