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.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
United Genetics Seeds, USA
Solanum lycopersicum L. · Tomato
MARTIJN VAN STEE
Prunus salicina Lindl. · Japanese plum
Lowell Glen Bradford (US)
Prunus armeniaca L. · Apricot
SCEA Pomes Escande Programme Selection (FR)
Prunus avium (L.) L. · Sweet cherry
Universita degli Studi di Bologna (IT)/C.R.P.V. Centro Ricerche Produzioni Vegetali - Societa Coop. (IT)
Solanum lycopersicum L. · Tomato
Zohar Gar
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Prunus persica (L.) Batsch · Peach
Maillard Arsene / Maillard Laurence
Prunus persica (L.) Batsch · Peach
Maillard Arsene / Maillard Laurence
Daucus carota L. · Carrot
BEJO ZADEN
Vitis vinifera L. · Common grape vine
SCHARCHAR KARNIEL
Daucus carota L. · Carrot
BEJO ZADEN
Vitis vinifera L. · Common grape vine
GIDEON JACOBUS NICOLAAS COETZEE
Raphanus sativus L. var. oleiformis Pers. · Oil radish
PHP PETERSEN
Daucus carota L. · Carrot
Rijk Zwaan Welver, D
Ribes uva-crispa L. · Gooseberry
VOLUZNEV ANATOLIJ GRIGOR'EVICh
Vaccinium corymbosum L. · Highbush blueberry
Robert Gabriel
Pisum sativum L. · Pea
Holland-Select Research B.V.
Cucumis melo L. · Melon
Hazera Seeds, ISR
Solanum tuberosum L. · Potato
M HIGGINS LTD
Beta vulgaris Sugar Beet Group · Sugar beet
Florimond Desprez Veuve et Fils, FR
Brassica oleracea L. (White Cabbage Group) · White cabbage
VAN DER PLOEG SJAAK
Cucumis melo L. · Melon
HM Clause SA (FR)
Sinapis alba L. · White mustard
PHP PETERSEN