Bifrie
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan, NL
FR
5 records
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.
Breakdown by crop
Tomato Uniformity
81
Uniformity — White Cabbage
79
Barley grain uniformity
68
Carrot uniformity
51
Potato Uniformity
47
Uniformity — Cauliflower
45
Uniformity of lettuce
40
Pepper uniformity
38
Radish uniformity
31
Uniformity — Onion
30
Uniformity of cucumber
23
Sunflower uniformity
21
Uniformity — Onion
20
Uniformity — soft wheat
19
Uniformity — Broccoli
16
Triticale Uniformity
15
Watermelon Uniformity
14
Bean uniformity
14
Uniformity — Brussels sprout
13
Uniformity — Red Cabbage
12
Uniformity of zucchini
11
Uniformity — Leek
10
Uniformity of Chrysanthemum
10
Pea uniformity
10
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.
Barsweet
Protection expiredPoa pratensis L. · Kentucky bluegrass
Barenbrug Holland B.V.
NL
4 records
Azulan
ActiveCucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
6 records
Beltranera
ActiveLactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
FR
6 records
Basilio
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan, NL
NL
7 records
Avenger Ii
ActiveFestuca arundinacea Schreb. · Tall fescue
Peak Plant Genetics, LLC & Rutgers, The State University of New Jersey
CZ
4 records
Balfiesaci
ActiveImpatiens walleriana Hook. f. · Busy Lizzie
Uchneat Michael S.
PL
4 records
Barhelene
TerminatedPoa pratensis L. · Kentucky bluegrass
BARENBRUG HOLLAND
DE
4 records
Bedena
ActiveCapsicum annuum L. · Bell pepper
Syngenta Crop Protection AG
NL
7 records
Barbex
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
7 records
Balazpima
ActiveGlandularia x hybrida (hort. ex Groenl. & Rümpler) G. L. Nesom & Pruski · Common Garden Verbena
Trees Scott C
PL
5 records
Baleron
ActiveLactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
FR
5 records
Annalisa
ActiveSolanum tuberosum L. · Potato
SICA GROCEP
NL
8 records
Antigua
ActiveSpinacia oleracea L. · Spinach
Monsanto Vegetable IP Management B.V.
NL
5 records
Antanas
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
6 records
Amely
ActiveSolanum lycopersicum L. · Tomato
Harris Moran Seed Co.
FR
6 records
Agena
Protection expiredBrassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
SVALOF AB
SE
6 records
Albanas
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
6 records
Adelita II
ActiveLactuca sativa L. · Lettuce
Syngenta Seeds B.V.
NL
7 records
Acacia
ActivePhaseolus vulgaris L. · Common bean
Holland-Select Research B.V.
NL
4 records
Altozanas
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
6 records
Agsantis
ActiveAgeratum houstonianum Mill. · Flossflower
Syngenta Seeds B.V.
PL
4 records
Allrounder
ActiveCapsicum annuum L. · Bell pepper
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
6 records
Aisha
ActiveSolanum tuberosum L. · Potato
IPR B.V.
NL
7 records