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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.

Kicaya

Active

Cucumis melo L. · Melon

Nunhems B.V.

NL
5 records

KSG 19 A

Application submitted

Prunus avium (L.) L. · Sweet cherry

Hilmar Gräb

DE
3 records

Kubari

Active

Cucumis melo L. · Melon

Nunhems B.V.

NL
8 records

Kermesse

Active

Pisum sativum L. · Pea

Syngenta Seeds B.V.

NL
6 records

Kardinal

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

MARIO FARAONE MENNELLA

IT
4 records

King of Hearts

Terminated

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

PETOSEED CO

ES
3 records

Julia

Active

Phacelia tanacetifolia Benth. · Lacy phacelia

FREUDENBERGER| Feldsaaten Freudenberger G.m.b.H. & Co. Kommanditgesellschaft

DE
4 records

Daucus carota L. · Carrot

OOO 'AGROFIRMA 'SEDEK'

CZ
4 records

Vitis vinifera L. · Common grape vine

MARIA CAROLINA UQUILLAS HERRERA

ES
3 records

Indalico

Active

Cucumis melo L. · Melon

SEMILLAS FITO, S.A.

ES
4 records

Jersey

Active

Capsicum annuum L. · Bell pepper

Enza Zaden Beheer B.V.

NL
5 records

Janowa

Application submitted

Beta vulgaris Sugar Beet Group · Sugar beet

KUTNOWSKA HODOWLA BURAKA CUKROWEGO Sp.z o.o.

PL
4 records

Igor

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Strube D&S GMBH

DE
3 records

Hemed

Protection expired

Cucumis melo L. · Melon

Galun, E.

NL
3 records

Isma

Active

Solanum lycopersicum L. · Tomato

Graines Voltz (FR)

BG
3 records

Cucurbita pepo L. · Field pumpkin

Johnny's Selected Seeds

NL
3 records

Irma

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Walther Faedi^^^Gianluca Baruzzi

NL
5 records

Cucumis melo L. · Melon

UNITED GENETICS SEEDS CO

PT
4 records

Grimalda

Active

Lolium perenne L. · Perennial ryegrass

KWEEKBEDRIJF C.I.V.

DK
5 records

Greenic

Active

Asparagus officinalis L. · Asparagus

The State University of New Jersey - Rutgers (US)

FR
3 records

Prunus persica (L.) Batsch · Peach

Lowell Glen Bradford (US)

FR
6 records

Goutine

Active

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

ES
4 records

Gunnar

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Strube D&S GMBH

DE
3 records

Goldex

Active

Cucumis melo L. · Melon

SEMILLAS FITO, S.A.

ES
3 records

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