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

Sugar Content — Sugar Beet 964 Tomato Brix Content 395 Melon Sugar Content 370 Watermelon sweetness 306 Grape sugar content 236 Sugar content in apples 145 Peach Sugar Content 128 Grape Sugar Content 126 Sugar Content — Garden Strawberry 109 Carrot sugar content 85 Sweetness of sweet cherry 82 Apricot sugar content 61 Sugar Content — Sweet Corn 61 Sugar content in pepper 46 Sugar Content — Table Beet 45 Plum sugar content 45 Sugar content — perennial ryegrass 41 Sugar content — Japanese plum 40 Sugar content in sugar beet 30 Sugar Content — White Cabbage 29 Sugar content in peas 26 Pear sugar content 24 Sugar content in raspberries 23 Sweetness of sweet corn 21

Found in these crops

Sugar beet 2 073 Grapevine 519 Tomato 489 Melon 421 Watermelon 360 Common grape vine 270 Apple 195 Carrot 166 Peach 160 Garden strawberry 128 Pea 121 Sweet corn 102

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.

Riesling

Active

Solanum lycopersicum L. · Tomato

Vilmorin-Mikado S.A.S.

4 records

Riandra

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KUHN E CO.

2 records

Royal Apache

Application submitted

Prunus avium (L.) L. · Sweet cherry

Zaiger's Inc. Genetics (US)

2 records

Ribella

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

ZAVANELLA| Dr. M. Zavanella c/o S.E.S. Italia

3 records

Rodri

Active

Capsicum annuum L. · Bell pepper

Vilmorin SA (FR)

2 records

Rosamax

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KUHN E CO.

2 records

Rivolo

Active

Solanum lycopersicum L. · Tomato

Gautier Semences SAS (FR)

3 records

Ritza

Active

Cucumis melo L. · Melon

HAZERA GENETICS

2 records

Remolave

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

D.J.VAN DER HAVE

2 records

Romanta

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Crop Protection AG

3 records

Reina Linda

Active

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

INTERSEMILLAS SAU

2 records

Reina negra

Active

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

INTERSEMILLAS SAU

2 records

Reinette des Capucins

Active

Malus domestica (Suckow) Borkh. · Apple

Domaine Public (FR)

2 records

Roderica KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

2 records

Reina de Corazones

Terminated

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

PETOSEED CO

3 records

Regal Seedless

Application submitted

Vitis vinifera L. · Common grape vine

Phil Ellis, Arc Infruitec Nietvoorbij

2 records

Red Jasper

Active

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

Syngenta Seeds B.V.

2 records

Redix 30

Active

Prunus persica (L.) Batsch · Peach

Viveros Proseplan S.L.

3 records

Red Silk

Active

Pyrus communis L. · European pear

C. B. CORDY (dcd) Exec Testam : D.CORDY C/O F. G. GAMBLE (US)

4 records

Red Dawn

Active

Beta vulgaris Garden Beet Group · Garden beet

Winseed International Ltd (NZ)

2 records

Recitale

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Societe Europeenne de Semences NV/SA (BE)

2 records

Ramybelle

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

4 records

Ramses

Terminated

Allium sativum L. · Garlic

Top Semence (FR)/Institut National de la Recherche Agronomique (FR)

2 records

RGT Biggben

Active

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

RAGT 2n, FR

2 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.