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 L. · Grapevine
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Vitis vinifera L. · Common grape vine
Valentin Blattner-Haefeli und Frau Silvia
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
Betaseed
Solanum lycopersicum L. · Tomato
Harmoniz
Malus domestica (Suckow) Borkh. · Apple
Information not available - Contact NL authorities
Vitis vinifera L. · Common grape vine
Kunyu D. Stoev, Zdravko D. Zankov, Yordan K. Ivanov
Capsicum annuum L. · Bell pepper
Horova Tamara Korniivna, Balian Anush Valeriivna, Bazeliuk Maryna Vasylivna, Spas`ka IEva Loioshivna, Levrints Izabella Deneshivna, Kormosh Svitlana Mykhailivna,
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Domaine Public (FR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Momordica charantia L. · Bitter melon
VINATORU COSTEL
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Kees Reinink
Pyrus communis L. · European pear
Information not available - Contact NL authorities
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Blium IAroslav Borysovych, Martyniuk Halyna Mykolaivna, Rakhmetov Dzhamal Bakhlulovych,
Beta vulgaris Sugar Beet Group · Sugar beet
Honcharuk Hryhorii Semenovych, Rybak Volodymyr Oleksiiovych, Kulik Oleksandr Heorhiiovych, Roik Mykola Volodymyrovych,
Pastinaca sativa L. · Parsnip
Eike Kampe, Lipskyi Volodymyr Volodymyrovych,
Rubus idaeus L. · Red raspberry
Niwa Hodowla Roślin Jagodowych sp. z o.o.
Vitis vinifera L. · Common grape vine
Dimitar Babrikov, Venelin Roychev, Agricultural University - Plovdiv (BG)
Capsicum annuum L. · Bell pepper
ISI SEMENTI SPA
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Breus Oksana Serhiivna, Parii IUliia Oleksandrivna, Parii IAroslav Fedorovych, Koval`chuk Zoreslava Volodymyrivna, Kulish Ol`ha IUriivna, Parii Myroslav Fedorovych,
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
CORA SEEDS S.R.L
Beta vulgaris Sugar Beet Group · Sugar beet
Betaseed