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Variety traits

Sugar content

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.

Sources10

Breakdown by crop

Sugar Content — Sugar Beet 964 Tomato Brix Content 395 Melon Sugar Content 370 Watermelon sweetness 306 Grape sugar content 236 Sugar content in apples 145 Peach Sugar Content 128 Grape Sugar Content 126 Sugar Content — Garden Strawberry 109 Carrot sugar content 85 Sweetness of sweet cherry 82 Apricot sugar content 61 Sugar Content — Sweet Corn 61 Sugar content in pepper 46 Sugar Content — Table Beet 45 Plum sugar content 45 Sugar content — perennial ryegrass 41 Sugar content — Japanese plum 40 Sugar content in sugar beet 30 Sugar Content — White Cabbage 29 Sugar content in peas 26 Pear sugar content 24 Sugar content in raspberries 23 Sweetness of sweet corn 21

Found in these crops

Sugar beet 2 073 Grapevine 519 Tomato 489 Melon 421 Watermelon 360 Common grape vine 270 Apple 195 Carrot 166 Peach 160 Garden strawberry 128 Pea 121 Sweet corn 102

Varieties that feature this in their description

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.

Laska KWS

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
2 records

Gibbon

Active

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
2 records

Irodori

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

NL
2 records

Gredos

Terminated

Cucumis melo L. · Melon

NL
2 records

Lara

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

CZ
3 records

Iordană

Active

Vitis L. · Grapevine

RO
2 records

Lampo

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

IT
2 records

KW 399

Active

Beta vulgaris Sugar Beet Group · Sugar beet

DE
2 records

Kungsärt

Active

Pisum sativum L. · Pea

SE
3 records

Kozel

Active

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
2 records

IMAMURA

Active

Citrus unshiu Marcow. · Satsuma mandarin

ES
2 records

Kant

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Gandalf

Active

Cucumis melo L. · Melon

NL
2 records

Kakadu

Active

Beta vulgaris Sugar Beet Group · Sugar beet

DE
3 records

Gahan

Active

Beta vulgaris Fodder Beet Group · Mangelwurzel

DK
2 records

Hombre

Active

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
2 records

Guayonje

Active

Allium cepa L. var. cepa · Onion

ES
2 records

Kavčina

Active

Vitis L. · Grapevine

SI
2 records

FD Alpinist

Active

Beta vulgaris Sugar Beet Group · Sugar beet

CZ
4 records

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