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Variety traits

Sugar content

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.

Sources10

Breakdown by crop

Found in these crops

Varieties that feature this in their description

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.

Tatonka

Terminated

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

DE
2 records

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

HU
2 records

Verisval

Active

Juglans regia L. · Persian walnut

RO
2 records

Sicura

Active

Beta vulgaris Sugar Beet Group · Sugar beet

IT
2 records

Vesna

Active

Vitis L. · Grapevine

CZ
3 records

Seventy

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Tepka

Active

Pyrus L. · Pear

SI
2 records

Sevar

Active

Vitis L. · Grapevine

CZ
2 records

Velur

Active

Solanum tuberosum L. · Potato

CZ
2 records

Sembol

Terminated

Cucumis melo L. · Melon

NL
2 records

Tattoo

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

HU
2 records

Sweet Candy

Protection expired

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

HU
2 records

Svojsen

Active

Vitis L. · Grapevine

CZ
3 records

Tympan

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
3 records

Tybello

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Usko

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Scarlet

Active

Cucurbita maxima Duchesne · Giant pumpkin

HU
2 records

Sapiel

Terminated

Cucumis melo L. · Melon

ES
2 records

Seminole Gold

Application submitted

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

SE
2 records

Stevns

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

DK
2 records

Prunus persica (L.) Batsch · Peach

IT
2 records

Scarlett

Terminated

Beta vulgaris L. · Beet

SK
3 records

Tuono

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Tramín

Active

Vitis L. · Grapevine

CZ
2 records

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