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Variety traits

Uniformity

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.

Sources10

Breakdown by crop

Found in these crops

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.

TWIN SET

Active

Pisum sativum L. · Pea

SEMO a.s

CZ
5 records

SWV 25

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Vinson Peter Edward / McCarthy Ilona Eva / Warren Simon Peter

NL
6 records

PST-2M20

Active

Lolium perenne L. · Perennial ryegrass

PURE SEED TESTING

IT
4 records

Lactuca sativa L. · Lettuce

Yes applicant details in question 1, Syngenta Crop Protection AG

NL
6 records

Solanum lycopersicum L. · Tomato

HEINZSEED

PT
4 records

AP-2190

Active

Glycine max (L.) Merr. · Soybean

NICKERSON AMER.P.BREEDERS

ES
4 records

DRW 7806

Active

Solanum lycopersicum L. · Tomato

Bayer Holland B.V.

UA
5 records

Ct-7

Active

Lolium perenne L. · Perennial ryegrass

Novel AG

PL
4 records

Zinnia L. · Zinnia

Sakata Seed Corporation (SCC)

4 records

Callistephus chinensis (L.) Nees · China aster

Sakata Seed Corporation (SCC)

4 records

Ocimum basilicum L. · Basil

Rutgers, The State University of New Jersey / Rutgers, The State University of New Jersey / Rutgers, The State University of New Jersey

4 records

Rosa L. · Rose

Rosa Eskelund

4 records

Mn 117

Protection expired

Poa annua L. · Annual bluegrass

White, Donald B., 1970 Folwell Avn., St. Paul, Minn. 55108

4 records

Nemesia Vent. · Nemesia

Takeshita Daigaku|Tochigi-ken, JP

4 records

C15-268

Active

Vaccinium corymbosum L. · Highbush blueberry

Scalzo Jessica,Olmstead James W.

4 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Steven D. Nelson, Michael D. Nelson y Lee W. Stoeckle.

6 records

LG 30352

Active

Zea mays L. · Maize

Philippe Flammant

BG UA
5 records

BE'LLA

Active

Sinapis alba L. · White mustard

KUZNETSOVA GALINA NIKOLAEVNA / POLYaKOVA RAISA SERGEEVNA / LOShKOMOJNIKOV IVAN ANATOL'EVICh / GORLOVA LYuDMILA ANATOL'EVNA / TRUBINA VIKTORIYa SERGEEVNA

RO
5 records

Solanum tuberosum L. · Potato

Meijer C. B.V. (NL)

BG CZ FI GR HR HU +6
27 records

Cepuna

Active

Pyrus communis L. · European pear

THIBAULT BERNARD

FR NL UA
27 records

Rodeo

Active

Solanum tuberosum L. · Potato

RIAN STEKELENBURG / F. BORN_ / MARTIN F. W. JANSEN KLOMP

EE FR GR HR IT LT +2
25 records

Morene

Active

Solanum tuberosum L. · Potato

S.BRUNIA

BE CZ DE DK ES FR +5
29 records

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