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.
Asparagus officinalis L. · Asparagus
Walker Brothers Seeds & Plants, LLC (US)
Solanum lycopersicum L. · Tomato
MERIDIEM SEEDS S.L.
Asparagus officinalis L. · Asparagus
Walker Brothers Seeds & Plants, LLC (US)
Beta vulgaris Sugar Beet Group · Sugar beet
Roik Mykola Volodymyrovych, Kovachev Laraz,
Beta vulgaris Sugar Beet Group · Sugar beet
Harmatiuk Natalia Vasylivna, Sinel`nyk Volodymyr Mykolaiovych, Lytvyniuk Volodymyr Viktorovych, Datsenko Petro Petrovych, Kulik Oleksandr Heorhiiovych, Vlasiuk Vitalii Ivanovych, Roik Mykola Volodymyrovych,
Ribes nigrum L. · Blackcurrant
Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas
Prunus armeniaca L. · Apricot
Matsenko Maksym Oleksandrovych
Solanum lycopersicum L. var. lycopersicum · Tomato
S.A.I.S. Societa Agricola Italiana Sementi
Nicotiana tabacum L. · Tobacco
Tobacco and tobacco products institute - Plovdiv (BG)
Nicotiana tabacum L. · Tobacco
Instytut Uprawy Nawożenia i Gleboznawstwa Państwowy Instytut Badawczy
Beta vulgaris L. · Beet
SES Europe N.V./S.A.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
MERIDIEM SEEDS S.L.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Naumov Ruslan Olehovych, Krasniuk Viacheslav Anatoliiovych,
Allium fistulosum L. · Welsh onion
Fesenko IAroslav Ihorovych, Pozniak Oleksandr Vasyl`ovych, Tkalych IUrii Vadymovych, Fesenko Liubov Petrivna,
Daucus carota L. · Carrot
Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas
Sorghum bicolor (L.) Moench · Sorghum
SPADA CARLO
Pyrus communis L. · European pear
Krasulia Tetiana Ivanivna, Tolstolik Liudmyla Mykolaivna, Maksymova Iryna Mykolaivna,
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Kretinina Oksana Volodymyrivna, Hamandii Ivan Vasyl`ovych, Chelak Afanasii Zinoviiovych, Dremliuk Hryhorii Kupriianovych, Hamandii Vasyl Leonidovych,
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Nahorniak Mykhailo Mykolaiovych
Allium cepa L. · Onion
Aiven Miller
Solanum lycopersicum L. · Tomato
Stryzhenko Svitlana Mykolaivna, Mozhovska Hanna Valeriivna, Miroshnichenko Tetiana Mykolaivna, Bashtan Natalia Oleksandivna, Ivchenko Tetiana Volodymyrivna, Tolinova Tetiana Oleksiivna, Lysak Nataliia Serhiivna, Krutko Roman Vasyloych,
Nicotiana tabacum L. · Tobacco
Silvio Schaeffer, Santa Kruz Do Sul (BR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Syngenta Seeds B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS Saat AG, DE