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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.

Tethis

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NL
5 records

Yaya

Active

Daucus carota L. · Carrot

NL
3 records

Prunus avium (L.) L. · Sweet cherry

FR
6 records

Vok

Application submitted

Beta vulgaris Sugar Beet Group · Sugar beet

RO
3 records

Taurus

Active

Prunus cerasus L. · Sour cherry

DE
5 records

Tatran

Active

x Festulolium Aschers. et Graebn. · Festulolium

SK
3 records

Citrus sinensis (L.) Osbeck · Sweet orange

ES
5 records

Ruidera

Active

Cucumis melo L. · Melon

NL
3 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NL
5 records

Relax

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

DE
3 records

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

CY
3 records

Sentinel

Active

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

NL
3 records

Sigoise

Active

Olea europaea L. · Olive

FR
3 records

Beta vulgaris Garden Beet Group · Garden beet

NL
3 records

Renzino

Active

Solanum lycopersicum L. · Tomato

HU
3 records

Riikka

Active

Lolium perenne L. · Perennial ryegrass

FI
3 records

Pingpong

Active

x Triticosecale Wittm. ex A. Camus · Triticale

SK
4 records

Beta vulgaris Sugar Beet Group · Sugar beet

DE
3 records

Paskal

Active

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

RO
3 records

Malus domestica (Suckow) Borkh. · Apple

NL
6 records

Magura

Active

Trifolium pratense L. · Red clover

SK
4 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NL
5 records

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