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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.

Medianta

Active

Prunus armeniaca L. · Apricot

Newcot S.A.S.

1 record

Lauretta

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Franco Capocasa^^^Bruno Mezzetti

1 record

KW 362

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

Andreas Loock^^^Werner Beyer

1 record

Kw043

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Rudolf Jansen^^^Andreas Loock^^^DIENER G.^^^Werner Beyer

1 record

Maula N

Active

Vitis vinifera L. · Common grape vine

Donato Antonacci

1 record

Luminan

Active

hybrids between Vitis rotundifolia Michx. and Vitis vinifera L.

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Bureau National Interprofessionnel du Cognac (BNIC)

1 record

KIYOMI

Active

Citrus L. · Citrus

OKITSU FRUIT TREE RESEARC

2 records

Levap

Active

Arbutus unedo L. · arbutus

François Leverge

1 record

Karaïbe

Application submitted

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

1 record

Kaldonia

Application submitted

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

1 record

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Berries Del Oeste S.L.

2 records

Kersucan

Active

Petunia x atkinsiana D. Don · Garden petunia

Sakata Seed Corporation (SCC)

1 record

Huangjin 1

Withdrawn

Citrus maxima (Burm.) Merr. · Pomelo

Longxin Lai

2 records

Kersubon

Terminated

Petunia x atkinsiana D. Don · Garden petunia

Sakata Seed Corporation (SCC)

1 record

Prunus avium (L.) L. · Sweet cherry

1 record

Giored

Application submitted

Prunus avium (L.) L. · Sweet cherry

Gianluca Baruzzi^^^Daniela Giovannini^^^Sandro Sirri^^^Walther Faedi

1 record

Isired

Application submitted

Prunus avium (L.) L. · Sweet cherry

Gianluca Baruzzi^^^Daniela Giovannini^^^Sandro Sirri^^^Walther Faedi

1 record

Haewon

Active

Actinidia deliciosa (A. Chev.) C. F. Liang & A. R. Ferguson · Kiwifruit

Jeollanamdo

1 record

Fifine

Application submitted

Prunus salicina Lindl. · Japanese plum

Cot International S.A.R.L.

1 record

Prunus armeniaca L. · Apricot

Cot International S.A.R.L.

2 records

HFG B1902T

Application submitted

Rubus L. subg. Rubus · Blackberry

Ellen Thompson^^^Max Laddon

1 record

Filoe

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

2 records

FEM 1

Active

Malus domestica (Suckow) Borkh. · Apple

Pierluigi Magnago^^^Fondazione Edmund Mach - Centro Ricerca e Innovazione (FEM-CRI)

2 records

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