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.
Vitis vinifera L. · Common grape vine
Dr. Norbert Becker im Staatl. Weinbauinstitut
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V./S.A.
Cucumis melo L. · Melon
Clause Tezier, FR
Solanum lycopersicum L. · Tomato
HAZERA SEEDS BV
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
SAKATA SEED AMERICA INC US
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Agra Società del Seme s.r.l.
Beta vulgaris Garden Beet Group · Garden beet
Sakata Seed Europe B.V.
Prunus persica (L.) Batsch · Peach
SIChKAR ANATOLIJ OLEGOVICh / STETSYuK NATAL'Ya ALEKSANDROVNA
Capsicum annuum L. · Bell pepper
Syngenta Seeds B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
UNITED GENETICS SEEDS CO
Beta vulgaris Sugar Beet Group · Sugar beet
WIELKOPOLSKA HODOWLA BURAKA CUKROWEGO SP.Z.O.O
Pisum sativum L. · Pea
PURE LINE SEEDS
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
CROOKHAM COMPANY
Cucumis melo L. · Melon
Novartis Seeds BV (NL)
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Capsicum annuum L. · Bell pepper
AKIRA SEEDS S.L.
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V
Solanum lycopersicum L. · Tomato
Nunhems B.V.
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE & CO.KGAA
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE & CO.KGAA