Skip to content

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.

TRIUMPH

Active

Diospyros kaki L. f. · Persimmon

ES
1 record

Sonata

Active

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

PL
1 record

Stoccarda

Terminated

Allium cepa L. · Onion

IT
1 record

Vitis vinifera L. · Common grape vine

ES
1 record

Slavutych

Application submitted

Stevia rebaudiana (Bertoni) Bertoni · Sweet leaf

UA
1 record

Rubin Pearl

Terminated

Solanum lycopersicum L. · Tomato

DE
1 record

Thea

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
1 record

Solanum lycopersicum L. · Tomato

DE
1 record

Vitis vinifera L. · Common grape vine

UA
1 record

Sinja KWS

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

SE
1 record

RIO RED

Active

Citrus maxima x Citrus reticulata · Tangelo

ES
1 record

Silcher

Protection expired

Vitis vinifera L. · Common grape vine

DE
2 records

Sunpeach

Active

Solanum lycopersicum L. · Tomato

IT
1 record

SUKRIBE

Terminated

Vitis vinifera L. · Common grape vine

LV
1 record

Sabrina

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

NL
1 record

Rapide

Protection expired

Zea mays L. · Maize

EE
1 record

Start F1

Application submitted

Brassica oleracea L. (White Cabbage Group) · White cabbage

UA
1 record

Jump to page 40 80 120 140 159 199 230 250