Druzhba
ActiveVitis L. · Grapevine
ALIEV ARIF MUZAFAROVICh / KOSTRIKIN IVAN ALEKSANDROVICh / IVANOV JORDAN / VYLChEV VASIL / MUZYChENKO BORIS ALEKSANDROVICh
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
ALIEV ARIF MUZAFAROVICh / KOSTRIKIN IVAN ALEKSANDROVICh / IVANOV JORDAN / VYLChEV VASIL / MUZYChENKO BORIS ALEKSANDROVICh
Prunus armeniaca L. · Apricot
PSB Producción Vegetal S.L
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Ciref Création Variétale Fraises - Fruits Rouges
Prunus persica (L.) Batsch · Peach
John K. Slaughter^^^Timothy J. Gerdts
Vitis L. · Grapevine
Wein- und Sektkellerei Jakob Gerhardt
Vitis L. · Grapevine
Valentin Blattner
Prunus persica (L.) Batsch · Peach
Zaiger, Chris Floyd|929 Grimes Ave., Modesto, CA 95358 / Zaiger, Gary Neil|1907 Elm Ave., Modesto, CA 95358 / Gardner, Leith Marie|1207 Grimes Ave., Modesto, CA 95358 / Zaiger, Grant Gene|4005 California Ave., Modesto, CA 95358
Vaccinium corymbosum L. · Highbush blueberry
Paul M. Lyrene James W. Olmstead
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Michelangelo Leis
Citrus L. · Citrus
Gregory CHISLETT
Malus domestica (Suckow) Borkh. · Apple
Shigeki Moriya^^^Kazuyuki Abe^^^Kazuma Okada^^^Taku Shimizu^^^Hiroshi Iwanami^^^Nobuhiro Kotoda^^^Takashi Haji^^^Sae Takahashi^^^Takashi Baba^^^Yutaka Sawamura^^^Yuki Moriya^^^Hirohisa Nesumi^^^Ayato Hori
Malus domestica (Suckow) Borkh. · Apple
National Agriculture and Food Research Organization (NARO)
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Flevo Plant Holding B.V.
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Ciref Création Variétale Fraises - Fruits Rouges
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
VandenLangenberg Kyle M,Shaw Douglas V
Ribes nigrum L. · Blackcurrant
SCOTTISH CROP RESEARCH INSTITUTE
Prunus armeniaca L. · Apricot
David Ruiz González^^^Antonio Molina Gómez^^^Manuel Rubio Angulo^^^Federico Dicenta López-Higuera^^^Antonio Molina Gómez Jr.^^^José Egea Caballero
Vaccinium corymbosum L. · Highbush blueberry
WHEELER, Edmund J. HANCOCK, James F. BAÑADOS ORTÍZ, María Pilar
Actinidia chinensis Planch. · Kiwifruit
TESTOLIN, RAFFAELE CIPRIANI, GUIDO
Prunus persica (L.) Batsch · Peach
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
WHDA, LLP
Ribes nigrum L. · Blackcurrant
The James Hutton Institute
Prunus domestica L. · European plum
Francesco Valli
Prunus avium (L.) L. · Sweet cherry
Silviero Sansavini^^^Stefano Lugli