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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.

Limal

Terminated

Cucumis melo L. · Melon

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
2 records

KW 394

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Nils Stolte^^^Jens Christoph Lein

DE
3 records

Kronosty

Active

Solanum lycopersicum L. · Tomato

FENIX S.R.L.

PT
2 records

KW 397

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Jens Christoph Lein^^^Dominik Müller

DE
3 records

Kursor

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Crop Protection,CH

CZ
2 records

Kuma

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Kuhn en Co. International B.V.

NL
2 records

KW 370

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Jens Christoph Lein^^^Martin Messerschmidt

DE
3 records

Leopard

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

HAZERA GENETICS

ES
2 records

Koudou

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

SESVanderhave NV

LT
2 records

Leoncino

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Krumovgrad 58

Active

Nicotiana tabacum L. · Tobacco

Angel I. Manolov, Hristos D. Georgiev, Stefka K. Mincheva, Mitko A. Slavkov

BG
3 records

Krumovgrad 68M

Active

Nicotiana tabacum L. · Tobacco

Antoaneta Yancheva, Valentin Yordanov

BG
3 records

Kratos

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

AGROSEL S.R.L.

RO
3 records

La Joya

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

ORIGENE SEEDS Ltd

ES
2 records

Kom

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Ivan A. Ivanov, Georgi T. Kikindonov, Tsvetan T. Kikindonov, Iliya I. Uchkunov, Kulka S. Uchkunova, Ivan A. Popov.

BG
3 records

Lapeyo

Active

Cucumis melo L. · Melon

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
2 records

Lacinia KWS

Active

Beta vulgaris Fodder Beet Group · Mangelwurzel

KWS SAAT SE, DE

FR
2 records

Laboom

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
2 records

Konstantin

Active

Beta vulgaris L. · Beet

Strube D&S GMBH

AT
2 records

Kongo

Active

Daucus carota L. · Carrot

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
2 records

Kiskun 4230

Terminated

Zea mays L. · Maize

Dr. Samir Redi

UA
2 records

Kolumb

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Strube D&S GMBH

PL
2 records

KW 375

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Jens Christoph Lein^^^Friedrich Kopisch-Obuch

DE
3 records

Kinga

Active

Daucus carota L. · Carrot

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
2 records

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