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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.

CIVG 198

Active

Malus domestica (Suckow) Borkh. · Apple

Tagliani Francesco, Castagnoli Gianfranco, Leis Michelangelo, Martinelli Alessio

25 records

Rubus L. subg. Rubus · Blackberry

THOMPSON ELLEN / CLARK JOHN REUBEN / AGUAS-ALVARADO MARIO

UA
19 records

Vitis vinifera L. · Common grape vine

TIMOTHY SHEEHAN

ES
12 records

Prunus avium (L.) L. · Sweet cherry

David W.Cain

12 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Mr. Jimmy Bagdasarian, Lassen Canyon Nursery, Inc

ES
14 records

Vitis vinifera L. · Common grape vine

TIMOTHY SHEEHAN

ES
12 records

Vitis vinifera L. · Common grape vine

TIMOTHY SHEEHAN

ES
11 records

Prunus avium (L.) L. · Sweet cherry

David W.Cain

11 records

Prunus avium (L.) L. · Sweet cherry

David W.Cain

10 records

Vitis vinifera L. · Common grape vine

TIMOTHY SHEEHAN

ES
9 records

Vitis vinifera L. · Common grape vine

TIMOTHY SHEEHAN

ES
10 records

IVU 115

Active

Prunus avium (L.) L. · Sweet cherry

Proprietary Fruits Varieties (Contracts) LLC

FR
9 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

VARIOS OBTENTORES

ES NL UA
15 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Fresas Nuevos Materiales S.A.

ES
14 records

'FLATOP'

Active

Prunus persica (L.) Batsch · Peach

Maillard Arsene / Maillard Laurence

FR
11 records

R10/8

Active

Mangifera indica L. · Mango

Rayner Kenneth

9 records

RA 17

Active

Mangifera indica L. · Mango

Rayner Kenneth

9 records

NK Fair

Protection expired

Brassica napus var. napus · Rapeseed

Syngenta Crop Protection AG

CZ DE DK PL UA
9 records

Lavi gal

Active

Cucumis melo L. · Melon

HAZERA SEEDS BV

BG ES FR HU
8 records

Prunus persica (L.) Batsch · Peach

United States Department of Agriculture -USDA-

ES FR SI
11 records

Vitis vinifera L. · Common grape vine

Timothy P Sheehan, Sheehan Genetics Australia Pty Ltd

ES
7 records

Malus domestica (Suckow) Borkh. · Apple

Fruit Variety International Pty Ltd (AU)

FR
10 records

HC2 1

Active

Malus domestica (Suckow) Borkh. · Apple

International Fruit Obtention (IFO) S.N.C.

FR
10 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Whitaker Vance M.

ES
9 records

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