Variety traits
Uniformity is an indicator of the homogeneity of a seed lot or plants in a crop based on traits such as size, height, maturity date, and habitus. High uniformity ensures even emergence and yield stability, which is critical for variety assessment and product quality.
Mentioned in descriptions 10 270 varieties reference book.
In agronomy and seed production, seed uniformity defines their homogeneity in size, most often thickness, which influences sowing quality. Crop uniformity characterizes the homogeneity of the plant stand in terms of height, phenological stage timing, and general plant habitus, which is important for the efficiency of mechanical harvesting.
During laboratory seed analysis, the indicator is expressed as a percentage representing the sum of the two most representative adjacent fractions. In variety testing, plant uniformity is evaluated visually or through the coefficient of variation of morphological traits. The lower the coefficient of variation, the higher the level of variety uniformity is considered to be.
The level of this trait depends on both the genetic characteristics of the variety and environmental conditions, including agronomic practices and meteorological factors during the seed formation period. Material with a uniformity of at least 80% is considered standard, and values below this threshold require mandatory calibration of the lot before sowing.
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.
Pisum sativum L. · Pea
ZhURAVKOVA GALINA PETROVNA
Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
Vilkki, Juha
Aster L. · Aster
Tvrtkovic-Sahin, Zelimir K.|Barnsteenstraat 24, 2403 BZ, Alphen aan den Rijn, Netherlands / Akerboom, Petrus J.|Paradijsweg 61, 2461 TL, Ter Aar, Netherlands
x Triticosecale Wittm. ex A. Camus · Triticale
Danko Hodowla Roslin Sp.z.o.o.
Daucus carota L. · Carrot
Sakata Vegetable Europe S.A.R.L
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
TAKII and CO LTD
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Yusuke Kato
Allium porrum L. · Leek
Hazera Seeds B.V.
Poa pratensis L. · Kentucky bluegrass
ROSE-FRICKER| Crystal Rose-Fricker c/o Pure-Seed Testing, Inc.
Rosa L. · Rose
Poulsen Roser A/S
Helianthus annuus L. · Sunflower
Pioneer Overseas Corporation, USA
Solanum tuberosum L. · Potato
Winfried Lange, Frank Lange
Solanum tuberosum L. · Potato
NORIKA Nordring- Kartoffelzucht- und Ver
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum tuberosum L. · Potato
UNICOPA/CLAUSE
Allium fistulosum L. · Welsh onion
Jock Rudi
Solanum lycopersicum L. · Tomato
HAZERA GENET./YISSUM RESE
Helianthus annuus L. · Sunflower
Syngenta Participations,CH
Secale cereale L. · Rye
Danko Hodowla Roslin Sp.z.o.o.
Hordeum vulgare L. · Barley
SAATZUCHT JOSEF BREUN GMBH and CO.KG
Brassica oleracea L. (White Cabbage Group) · White cabbage
Paul Degreef
Daucus carota L. · Carrot
MORAVOSEED
Pisum sativum L. · Pea
Limagrain UK