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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.

Fragaria L. · Strawberry

IT
1 record

Apia

Terminated

Apium graveolens L. var. rapaceum (Mill.) Gaud. · Celeriac

SK
1 record

Andes

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

CZ
2 records

Cardinal

Terminated

Solanum lycopersicum L. var. lycopersicum · Tomato

IT
1 record

Alida

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
1 record

Alla-2 F1

Application submitted

Solanum lycopersicum L. · Tomato

UA
1 record

Boston F1

Terminated

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

UA
1 record

Baby Doc

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Avalon

Active

Prunus domestica L. subsp. domestica · Plum

NL
1 record

Cacanska šecer

Protection expired

Prunus domestica L. · European plum

Inst. za vocar. BG (YU)

SI
1 record

Adika

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
1 record

BTS Smart 9745

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

DE
1 record

Abby

Application submitted

Lolium multiflorum Lam. · Italian ryegrass

SK
1 record

Belatos

Active

Beta vulgaris Sugar Beet Group · Sugar beet

DE
1 record

2n MM-61

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

UA
2 records

Beta vulgaris Sugar Beet Group · Sugar beet

DE
1 record

Apor

Active

Beta vulgaris L. · Beet

SK
1 record

Pyrus communis L. · European pear

1 record

Banan

Application submitted

Pisum sativum L. · Pea

UA
1 record

Better boy VFN

Terminated

Solanum lycopersicum L. var. lycopersicum · Tomato

IT
1 record

Bolgar

Active

Vitis vinifera L. · Common grape vine

BG
1 record

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