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 Sugar Beet Group · Sugar beet
Jens Christoph Lein^^^Martin Messerschmidt
Beta vulgaris Sugar Beet Group · Sugar beet
Jens Christoph Lein^^^Ann-Katrin Münnekhoff^^^Monica-Kathrin Fauser
Prunus persica (L.) Batsch · Peach
PERFIL'EVA ZOYa NIKOLAEVNA / LATSKO TAT'YaNA ANATOL'EVNA / SMYKOV ANATOLIJ VLADIMIROVICh / FEDOROVA OL'GA STEPANOVNA / MALOVIChKO SERGEJ MIHAJLOVICh
Nicotiana tabacum L. · Tobacco
Antoaneta Yancheva, Valentin Yordanov
Cucumis melo L. · Melon
UNITED GENETICS SEEDS CO
Beta vulgaris Sugar Beet Group · Sugar beet
Andreas Loock^^^Hans-Henning Voss
Pisum sativum L. · Pea
HORTAG SEED CO.
Prunus cerasifera Ehrh. · Cherry plum
Trest (B) Operation
Solanum lycopersicum L. · Tomato
TOMATECH R&D ISRAEL L.T.D.
Daucus carota L. · Carrot
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Pisum sativum L. · Pea
Vilmorin SA (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V./S.A.
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Ribes nigrum L. · Blackcurrant
Estonian University of Life Sciences Institute of Agricultural and Environmental Sciences Polli Horticultural Research Centre
Cucumis melo L. · Melon
Clause (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Malus domestica (Suckow) Borkh. · Apple
Kalju Kask 100%, Estonian Univerity of Life Sciences Institute of Agricultural and Environmental Sciences Polli Horticultural Research Centre, Polli, Karksi-Nuia, 69108, Viljandimaa, Estonia
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Enza Zaden Beheer B.V.
Vitis L. · Grapevine
Prof. Ing. Vilém Kraus, CSc. (CZ)
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderhave NV
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
UNITED GENETICS SEEDS CO
Vitis L. · Grapevine
VOINOV YuRIJ VASIL'EVICh / LYSENKO ANATOLIJ DMITRIEVICh / SKRIPKIN NIKOLAJ SERGEEVICh / VORONOVA KIRA ANATOL'EVNA / RUBENIYa REVAZI KLEMENT'EVICh / KIRANOV ALEKSANDR ALEKSANDROVICh
Cucumis melo L. · Melon
Takii France SA (FR)
Cucurbita maxima Duchesne · Giant pumpkin
Szkola Glowna Gospodarstwa Wiejskiego