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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 x ananassa Duchesne ex Rozier · Garden strawberry

STEVEN D.NELSON, MICHAEL D.NELSON Y LEO W.STOECKLE

5 records

NS 14-5

Active

Vaccinium corymbosum L. · Highbush blueberry

Vincent David Andrew Mazzardis

5 records

Vitis vinifera L. · Common grape vine

David W.Cain

4 records

Solanum tuberosum L. · Potato

Meijer C. B.V. (NL)

BG CZ FI GR HR HU +6
27 records

Boléro

Active

Daucus carota L. · Carrot

Vilmorin, F

BG CZ FR HR HU PL +2
20 records

Perun

Active

x Festulolium Aschers. et Graebn. · Festulolium

Slechtitelska stanice Hladke

CZ DE EE HR LT LU +2
24 records

Tetramax

Active

Lolium perenne L. · Perennial ryegrass

DLF-Trifolium A/S

AT BE DE DK FR LV +2
19 records

Niagara

Active

Daucus carota L. · Carrot

Ger Beemsterboer

CZ HR NL PL SK UA
16 records

Allyance

Active

Daucus carota L. · Carrot

ROGER FREEMAN

NL UA
24 records

Donald

Active

Solanum tuberosum L. · Potato

Stet Holland Research BV (NL)

AT CZ DK FR HR IE +3
19 records

Zanzibar

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Sesvanderhave, B

BE DK ES FR HR LT +2
14 records

Bastion

Protection expired

Lolium perenne L. · Perennial ryegrass

Mommersteeg International BV (NL)

AT DE DK ES FR IE +2
16 records

Megaton

Active

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

Bejo Zaden B.V. (NL)

BG CZ HU LT NL PL +2
15 records

Condesa

Active

Lolium perenne L. · Perennial ryegrass

VANDERHAVE GRASSES B.V.

AT DE DK ES FR IE +2
20 records

Bangor

Active

Daucus carota L. · Carrot

Bejo Zaden, NL

CZ HR HU NL PL SI +1
13 records

Zari

Active

Malus domestica (Suckow) Borkh. · Apple

NV BETTER3FRUIT, BE

NL UA
18 records

Rafzaqu

Active

Rubus idaeus L. · Red raspberry

Promo-Fruit, CH

NL UA
19 records

Vaccinium corymbosum L. · Highbush blueberry

Wagner L. Adam, Brazelton M. David

UA
21 records

Vitis vinifera L. · Common grape vine

SHACHAR KARNIEL|SAL GIUMARRA

UA
15 records

Ariana

Application submitted

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

BE DE DK ES FR IE +4
15 records

Brodick

Protection expired

Solanum tuberosum L. · Potato

The James Hutton Institute

BE CZ DK ES FR IE +2
15 records

Karotan

Active

Daucus carota L. · Carrot

Yurhen Berh

CZ HR HU NL PL SK +1
13 records

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