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.
Beta vulgaris Garden Beet Group · Garden beet
HORAL JIRI / KLAPSTE PETR / ALEKSEEV YuRIJ BORISOVICh
Solanum lycopersicum L. var. lycopersicum · Tomato
PEOTEC SEEDS SRL
Cucumis melo L. · Melon
HM.Clause S.A.S.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS Saat AG, DE
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Solanum lycopersicum L. · Tomato
HM Clause SAS (FR)
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
UNITED GENETICS SEEDS CO
Prunus persica (L.) Batsch · Peach
Rene Monteux-Caillet (FR)
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Prunus persica (L.) Batsch · Peach
AC FRUIT (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
DLF Beet Seed APS
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
UNITED GENETICS SEEDS CO
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
SAS FLORIMOND-DESPREZ Veuve et Fils
Beta vulgaris Sugar Beet Group · Sugar beet
Florimond Desprez Veuve et Fils, FR
Cucumis melo L. · Melon
Monsanto Vegetable IP Management B.V.
Vitis L. · Grapevine
INCONNU (FR)
Cucumis melo L. · Melon
Syngenta Seeds B.V.
Vitis vinifera L. · Common grape vine
Land Baden-Wurttemberg, Germany
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass
EIGEN VERMOGEN VH INSTITUUT VOOR LANDBOUW- EN VISSERIJONDERZOEK
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.