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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

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.

Gilmer Fuji

Withdrawn

Malus domestica (Suckow) Borkh. · Apple

GILMER CHARLES^^^GILMER CYNTHIA

2 records

Gaspar

Application submitted

Prunus armeniaca L. · Apricot

PSB Producción Vegetal S.L

1 record

FM1454

Application submitted

Actinidia chinensis Planch. · Kiwifruit

Giovanni Fiori^^^Francesco Spinelli

1 record

FE1

Active

Citrus x paradisi Macfad. · Grapefruit

LEON LEIPOLDT ESSELEN

2 records

F99203

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

D.J. VAN DER HAVE B.V.

1 record

FEM 8

Active

Malus domestica (Suckow) Borkh. · Apple

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

2 records

Divine

Active

Prunus salicina Lindl. · Japanese plum

Cot International S.A.R.L.

2 records

F99201

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

D.J. VAN DER HAVE B.V.

1 record

Dina

Terminated

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Franco Capocasa^^^Bruno Mezzetti

1 record

Estavana

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

ABZ Aardbeien uit Zaad Holding B.V.

1 record

Einat

Withdrawn

Citrus x paradisi Macfad. · Grapefruit

Nir Carmi^^^Hanna Neuman-Leshem^^^Yoram Eyal^^^Ahuva Frydman-Shani^^^Aliza Vardi^^^Avraham Elhanati^^^Yosef Yaniv^^^Yeoshua Kanonich^^^Luba Fanberstein

2 records

Dania

Terminated

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

1 record

Coliris

Active

Vitis vinifera L. · Common grape vine

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

1 record

Dieck28

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

DIECKMANN U.

1 record

Colar Elche

Active

Ficus carica L. · Common fig

JUNTA DE EXTREMADURA - FINCA LA ORDEN-VALDESEQUERA

1 record

Cokli COT

Application submitted

Prunus armeniaca L. · Apricot

Cot International S.A.R.L.

1 record

Dapple Dandy

Active

Prunus x limeixing (J. Y. Zhang & Z. M. Wang) Y. H. Tong & N. H. Xia

Floyd Zaiger

2 records

Bouquet 3179

Application submitted

hybrids between Vitis rotundifolia Michx. and Vitis vinifera L.

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

1 record

Borsalino

Active

Prunus armeniaca L. · Apricot

PSB Producción Vegetal S.L

1 record

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