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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.

Pamid

Active

Vitis vinifera L. · Common grape vine

BG
1 record

Pamerzs

Active

Vitis L. · Grapevine

HU
1 record

Oleksandriia

Application submitted

Beta vulgaris Sugar Beet Group · Sugar beet

UA
1 record

Prame

Active

Trifolium pratense x Trifolium medium

CZ
2 records

Solanum lycopersicum L. · Tomato

DE
1 record

NS 2n MM

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

UA
2 records

Merlin

Terminated

Beta vulgaris L. · Beet

SK
1 record

Mecano VF

Terminated

Solanum lycopersicum L. · Tomato

NL
1 record

News F1

Terminated

Daucus carota L. · Carrot

UA
1 record

Perun

Application submitted

Vitis L. · Grapevine

CZ
1 record

Parus

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

DE
2 records

Nora

Active

Sambucus nigra L. · Elderberry

RO
1 record

Nochowski SNO

Application submitted

Beta vulgaris Garden Beet Group · Garden beet

PL
1 record

Marcus

Active

Vitis L. · Grapevine

CZ
2 records

Mv. Sugár

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
1 record

MANRESA

Application submitted

Ficus carica L. · Common fig

ES
1 record

Pachino

Terminated

Solanum lycopersicum L. · Tomato

IT
1 record

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