SO 4
ActiveVitis L. · Grapevine
INCONNU (FR)
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
INCONNU (FR)
Prunus armeniaca L. · Apricot
Newcot SAS (FR)
Prunus armeniaca L. · Apricot
Newcot SAS (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderHave N.V./S.A.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
NUNHEMS
Prunus persica (L.) Batsch · Peach
Lowell Glen Bradford (US)
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Syngenta Seeds B.V.
Malus domestica (Suckow) Borkh. · Apple
SNC Elaris| FR
Prunus armeniaca L. · Apricot
Marie-France Bois
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE, N.V./S.A.
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Cucumis melo L. · Melon
TAKII & CO LTD
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
TAKII EUROPE B V
Solanum lycopersicum L. · Tomato
Syngenta Crop Protection AG
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Nunhems B.V.
Cucumis melo L. · Melon
Laboratoire ASL S.N.C., Nunhems B.V.
Cucumis melo L. · Melon
Syngenta Seeds B.V.
Pisum sativum L. · Pea
Volmary Ltd
Cucumis melo L. · Melon
Cora Seeds SRL, I
Solanum lycopersicum L. · Tomato
HM Clause Inc (US)
Prunus salicina Lindl. · Japanese plum
Zaiger's Inc. Genetics (US)
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn