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
SESVanderhave NV
Raphanus sativus L. var. oleiformis Pers. · Oil radish
VANDINTER SEMO B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderHave N.V./S.A.
Beta vulgaris Garden Beet Group · Garden beet
Pop Vriend Research B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Strube D&S GMBH
Lolium multiflorum Lam. · Italian ryegrass
MHR SEEDS LIMITED
Beta vulgaris Sugar Beet Group · Sugar beet
STRUBE RESEARCH GMBH and CO KG
Beta vulgaris Sugar Beet Group · Sugar beet
DELITZSCH PFLANZENZUCHT
Cucumis melo L. · Melon
Ralf Kuijpers
Beta vulgaris Sugar Beet Group · Sugar beet
Strube-Dieckmann GmbH&Co.KG
Pisum sativum L. · Pea
SEMO a.s
Beta vulgaris Sugar Beet Group · Sugar beet
SYNGENTA WINTER OILSEED AB
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
ZKI, H
Beta vulgaris Sugar Beet Group · Sugar beet
MARIBO SEED INT. APS
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Wing Seed
Pisum sativum L. · Pea
Syngenta Seeds B.V.
Rubus L. subg. Rubus · Blackberry
Niwa Hodowla Roślin Jagodowych sp. z o.o.
Hordeum vulgare L. · Barley
Carlsberg Research (DK)
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V./S.A.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Keith Hardy
Cucurbita pepo L. · Field pumpkin
MORAVOSEED
Beta vulgaris Sugar Beet Group · Sugar beet
SAS FLORIMOND-DESPREZ Veuve et Fils