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.
Triticum aestivum L. · Bread wheat
Výzkumné Centrum Selton s.r.o., Selgen A.S.
Prunus persica (L.) Batsch · Peach
Arsene Maillard Laurence Maillard
Solanum lycopersicum L. · Tomato
Graines Gautier SA (FR)
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging “Horizon” U.A.
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Prunus persica (L.) Batsch · Peach
AC FRUIT (FR)
Prunus domestica L. · European plum
Akademischer Oberrat Dr. Walter Hartmann
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE & CO.KGAA
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Domaine Public (FR)
Daucus carota L. · Carrot
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Solanum lycopersicum L. · Tomato
Multi Tohum San. Tic. A.S.
Allium sativum L. · Garlic
Top Semence (FR)/Institut National de la Recherche Agronomique (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
DELITZSCH PFLANZENZUCHT
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Solanum lycopersicum L. · Tomato
HAZERA SEEDS BV
Malus domestica (Suckow) Borkh. · Apple
Domaine Public (FR)
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
SEMILLAS FITO, S.A.
Solanum lycopersicum L. · Tomato
Monsanto Vegetable IP Management B.V.
Prunus persica (L.) Batsch · Peach
Arsene Maillard Laurence Maillard
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
MERIDIEM SEEDS S.L.
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Prunus persica (L.) Batsch · Peach
Rene Monteux-Caillet (FR)
Prunus persica (L.) Batsch · Peach
Arsene Maillard Laurence Maillard
Cucumis melo L. · Melon
Moshe Zalsman