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.

Rustico

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

2 records

Rotary

Terminated

Cucumis melo L. · Melon

De Ruiter Zonen (HR)

2 records

Rubibop

Application submitted

Prunus armeniaca L. · Apricot

Newcot SAS (FR)

2 records

Santy Naranja

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

3 records

Ruby Density

Active

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

UNITED GENETICS SEEDS CO

2 records

Roquet rouge

Active

Malus domestica (Suckow) Borkh. · Apple

Domaine Public (FR)

2 records

San Jose

Active

Cucumis melo L. · Melon

Sakata Vegetables Europe SARL (FR)

2 records

Romello

Active

Solanum lycopersicum L. · Tomato

Pro-Veg Seeds Ltd. Unit N Peek House, Dales Manor Business Park

2 records

Roundita

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable IP Management B.V.

3 records

Rokselana

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVANDERHAVE N.V./S.A.

2 records

Rouge de Trèves

Active

Malus domestica (Suckow) Borkh. · Apple

Domaine Public (FR)

2 records

Rokita

Active

Daucus carota L. · Carrot

Lietuvos agrarinių ir miškų mokslų centras

2 records

Rodos

Terminated

Daucus carota L. · Carrot

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

2 records

Ronka

Active

Daucus carota L. · Carrot

KULTURSAAT E V

2 records

Rossella

Active

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

Syngenta Seeds B.V.

2 records

ROSALATE

Application submitted

Citrus sinensis (L.) Osbeck · Sweet orange

Gert Ferreira/Corné Muller

2 records

Rosafina

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KUHN E CO.

2 records

Rolfeed

Active

Secale cereale L. · Rye

PRZEDSIęBIORSTWO NASIENNE "ROLNAS" SP. Z O.O.

2 records

Rizostar

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Societa Produttori Sementi S.p.A

2 records

Roial

Active

Capsicum annuum L. · Bell pepper

VINATORU COSTELZAMFIR BIANCABRATU CAMELIA

3 records

Rio Grande

Application submitted

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

Enza Zaden Beheer B.V.

3 records

Rhianna

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation (SCC)

3 records

Robusta

Active

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

INTERSEMILLAS SAU

2 records

Rifox

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SES EUROPE N.V./S.A.

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.