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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.

Rubus idaeus L. · Red raspberry

Plantas de Navarra S.A.

3 records

Pinkie

Protection expired

Malus domestica (Suckow) Borkh. · Apple

Horticulture & Food Research Institute of New Zealand Ltd

4 records

Solanum tuberosum L. · Potato

University of Idaho

3 records

Porubka

Active

Lolium multiflorum Lam. · Italian ryegrass

DLF Seeds A/S

3 records

Navsel 2

Active

Vitis L. · Grapevine

Grapeco Limited

3 records

PGP182

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Edward Vinson Ltd

3 records

Olsentwo Gala

Terminated

Malus domestica (Suckow) Borkh. · Apple

Richard R. Olsen y Larry M. Olsen

4 records

Navsel 5

Active

Vitis L. · Grapevine

Grapeco Limited

3 records

Citrus reticulata Blanco · Mandarin orange

Nadori, El Bachir|Agdal-Rabat, Morocco

3 records

Kingzest

Active

Prunus persica (L.) Batsch · Peach

Texas A&M Agrilife Research

4 records

Actinidia Lindl. · Actinidia

MC NEILAGE MARK^^^BEATSON RON A.^^^MC RAE ELSPETH

3 records

Prunus salicina Lindl. · Japanese plum

Stargrow Group (Pty) Ltd.

4 records

JR13

Active

Citrus x paradisi Macfad. · Grapefruit

LEON LEIPOLD ESSELEN

6 records

Firestar

Active

Zea mays L. · Maize

Syngenta Crop Protection AG

3 records

Vitis vinifera L. · Common grape vine

Stefano Somma

3 records

Malus domestica (Suckow) Borkh. · Apple

GFA BRISSET

4 records

Fuji VW

Active

Malus domestica (Suckow) Borkh. · Apple

KIKU, I

3 records

Flaminia

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Michelangelo Leis^^^Alessio Martinelli

4 records

Rubus L. subg. Rubus · Blackberry

Gavin R. Sills, Yunwen Wang, Mark F. Crusha y John Fangary

3 records

DP64

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Edward Vinson Ltd

3 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Edward Vinson Ltd

3 records

EA 5016

Active

Prunus armeniaca L. · Apricot

Benoit Escande

5 records

Rubus L. subg. Rubus · Blackberry

Gavin R. Sills, Yunwen Wang, Mark F. Crusha y John Fangary

3 records

Citrus L. · Citrus

Pons Bolta Juan

4 records

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