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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.

Au Poly

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

SE
1 record

120SA652

Active

Solanum lycopersicum L. · Tomato

IT
1 record

UG 1038

Active

Cucumis melo L. · Melon

1 record

Beta vulgaris Sugar Beet Group · Sugar beet

DE
1 record

Vitis vinifera L. · Common grape vine

DE
2 records

Arkadiia

Application submitted

Vitis L. · Grapevine

UA
1 record

Artemis

Active

Asimina triloba (L.) Dunal · Pawpaw

RO
1 record

Arimona

Terminated

Beta vulgaris L. · Beet

SK
1 record

Toptaste

Active

Prunus domestica L. · European plum

2 records

ARGAMUSSA

Application submitted

Vitis vinifera L. · Common grape vine

ES
2 records

Vitis vinifera L. · Common grape vine

FR
1 record

Prunus persica (L.) Batsch · Peach

1 record

Vinora

Application submitted

Prunus domestica L. · European plum

1 record

VERDONE

Active

Ficus carica L. · Common fig

2 records

Riogral

Active

Solanum lycopersicum L. · Tomato

1 record

Abanos

Active

Ribes nigrum L. · Blackcurrant

RO
1 record

8K804

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

UA
1 record

Ambition

Withdrawn

Beta vulgaris L. · Beet

SK
1 record

Red Fuji

Active

Malus domestica (Suckow) Borkh. · Apple

2 records

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