Variety traits
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.
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.
Dactylis glomerata L. · Cocksfoot
DLF Trifolium A-S, DK
Beta vulgaris Garden Beet Group · Garden beet
Ger Beemsterboer
Beta vulgaris Garden Beet Group · Garden beet
Ger Beemsterboer
Daucus carota L. · Carrot
Robert Prieur
Malus domestica (Suckow) Borkh. · Apple
Frederico Denardi, Marcus Vinicius Kvitsschal, Maraisa Crestani Hawerroth, Brasil
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Meulenbroek Egbertus Joseph
Prunus avium (L.) L. · Sweet cherry
His Majesty the King in Right of Canada as represented by the Minister of Agriculture and Agri-Food
Prunus persica (L.) Batsch · Peach
Norman Glen Bradford (US)/Lowell Glen Bradford (US)
Vitis vinifera L. · Common grape vine
Vivai Cooperativi Rauscedo, I
Prunus avium (L.) L. · Sweet cherry
Stephen M Southwick, SMS Unlimited LLC
Prunus armeniaca L. · Apricot
Stephen Southwick & David Decalo
Solanum tuberosum L. · Potato
MARC A. SMITH
Vitis L. · Grapevine
Shachar Karniel
Vitis vinifera L. · Common grape vine
SCHARCHAR KARNIEL
Vitis vinifera L. · Common grape vine
SCHARCHAR KARNIEL
Prunus armeniaca L. · Apricot
PSB produccion vegetal S.L. (ES)
Malus domestica (Suckow) Borkh. · Apple
Raggi Giordano, TAGLIANI Francesco, MARTINELLI Alessio, LEIS Michelangelo,
Malus domestica (Suckow) Borkh. · Apple
KVITSCHAL Marcus Vinicius (BR)/CRESTANI HAWERROTH Maraisa (BR)/DENARDI Frederico (BR)
Solanum lycopersicum L. · Tomato
Nunhems B.V.
Citrus sinensis (L.) Osbeck · Sweet orange
Elbert de Kock
Festuca arundinacea Schreb. · Tall fescue
RAGT 2N S.A.S
Vitis vinifera L. · Common grape vine
Phyllis Burger
Vitis vinifera L. · Common grape vine
Manuel Tornell, Juan Cerrano, Investigacion y Tecnologia de Uva de Mesa
Malus domestica (Suckow) Borkh. · Apple
KVITSCHAL Marcus Vinicius (BR)/CRESTANI HAWERROTH Maraisa (BR)/DENARDI Frederico (BR)