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.
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Malopolska Hodowla Roslin Spolka z o.o.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS Saat AG, DE
Beta vulgaris Sugar Beet Group · Sugar beet
DANISCO SEED UK LTD
Solanum lycopersicum L. · Tomato
Graines Gautier SA (FR)
Malus domestica (Suckow) Borkh. · Apple
Domaine Public (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
HODOWLA BURAKA
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
ADVANCE SEED PTY LTF
Beta vulgaris Sugar Beet Group · Sugar beet
KWS Kleinwanzlebener Saatzucht AG (DE)
Capsicum annuum L. · Bell pepper
Vilmorin-Mikado SAS (FR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Lachmann Siegfried
Beta vulgaris Fodder Beet Group · Mangelwurzel
VEREDELINGSSTATION AG
Vitis vinifera L. · Common grape vine
Dimitar Babrikov, Venelin Roychev, Agricultural University - Plovdiv (BG)
Prunus salicina Lindl. · Japanese plum
Mr Chris Smith, ARC Infruitec-Nietvoorbij
Prunus amygdalus x Prunus persica
CSIC/RAFAEL CAMBRA/M.C.TABUENCA/R.A.MORENO
Solanum lycopersicum L. · Tomato
SEMILLAS FITO, S.A.
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V./S.A.
Cucumis melo L. · Melon
Monsanto Vegetable IP Management B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
INTERSEMILLAS SAU
Vitis L. · Grapevine
Doc. Ing. Miloš Michlovský, CSc. (CZ)
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Daucus carota L. · Carrot
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.