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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.

GH2283

Withdrawn

Zea mays L. · Maize

GOLDEN HARVEST/J.C. ROBINSON

IT
1 record

Galicja

Withdrawn

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

Hodowla Buraka Pastewnego Skarbu Panstwa w Krakowie

PL
2 records

Grace F1

Terminated

Solanum lycopersicum L. · Tomato

Maren Shurmans

UA
1 record

Gergana

Active

Vitis vinifera L. · Common grape vine

P. Kurtev, D. Babrikov

BG
1 record

Geante rose

Terminated

Beta vulgaris Fodder Beet Group · Mangelwurzel

Domaine Public (FR)

FR
1 record

Freya

Active

Malus domestica (Suckow) Borkh. · Apple

Information not available - Contact NL authorities

NL
1 record

Goldi TZ F1

Application submitted

Cucumis melo L. · Melon

Robert Priieur

UA
2 records

Malus domestica (Suckow) Borkh. · Apple

Information not available - Contact NL authorities

NL
2 records

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

FOLFER

Withdrawn

Prunus cerasus L. · Sour cherry

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

GELU

Active

Vitis vinifera L. · Common grape vine

CALISTRU GHEORGHEDAMIAN DOINA

RO
1 record

Cornus mas L. · Cornelian cherry

Arboretum i Zakład Fizjografii w Bolestraszycach

PL
1 record

Fedra KWS

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

BE
1 record

Galante

Active

Vitis vinifera L. · Common grape vine

Dr. Norbert Becker im Staatl. Weinbauinstitut

DE
1 record

Beta vulgaris Sugar Beet Group · Sugar beet

D.J.VAN DER HAVE

ES
1 record

Fiolent

Terminated

Vaccinium corymbosum L. · Highbush blueberry

Sokolov Serhii Oleksandrovych, Dmytriiev Volodymyr Ihorovych,

UA
2 records

Frida

Active

Beta vulgaris Sugar Beet Group · Sugar beet

DLF Beet Seed APS

PL
1 record

Freya

Withdrawn

Prunus domestica L. · European plum

Akademischer Oberrat Dr. Walter Hartmann

DE
1 record

Fahot

Active

Oryza sativa L. · Rice

Mel`nichenko Hanna Valeriivna, Palamarchuk Dmytro Petrovych, Dudchenko Volodymyr Viktorovych, Petkevych Zoia Zakharivna, Shpak Dmytro Vasylovych, Shpak Tetiana Mykolaivna,

UA
2 records

Daucus carota L. · Carrot

L. DÆHNFELDT A/S

DK
1 record

Feltar

Terminated

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Uniwersytet Przyrodniczy w Lublinie

PL
2 records

Farvento

Active

Triticum L. · Wheat

LAGHETTI GAETANO / PERRINO PIETRO / VOLPE NICOLA

IT
1 record

FANTANGO

Terminated

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

HORTICULTURE RESEARCH I.

ES
2 records

Hybrids between Citrus x aurantium L. x Citrus trifoliata L.

IVIA

ES
1 record

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