Poulty002
ActiveRosa L. · Rose
Poulsen Roser A/S
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.
Resomee Dark
ActiveChrysanthemum L. · Chrysanthemum
Noodelijk, Rob
Regpet
ActivePelargonium grandiflorum (Andrews) Willd. · Regal pelargonium
Michalik Andrea|Dresden, DE
Regburg
ActivePelargonium grandiflorum (Andrews) Willd. · Regal pelargonium
Michalik Andrea|Dresden, DE
PER7102
ActiveEuphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
RUTH KOBAYASHI
PER510
ActiveEuphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
Kobayashi Ruth
Phw9z
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PHENN
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PHH9H
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Rachel
TerminatedBegonia x hiemalis Fotsch · Elatior Begonia
LUBBERTUS H.KOPPE
Paso
ActiveKalanchoe blossfeldiana Poelln. · Flaming Katy
Vlielander Ike J.|De Lier, NL
Piroska
ActiveGerbera L. · Gerbera
JAN L. EVELEENS
PH7JB
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PHHJC
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PHF4R
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PPIPVE007
ActivePhilodendron verrucosum L. Mathieu ex Schott
van der Arend Rene P. A.
Ph18t0
ActiveZea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Ph17cp
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Poulcas025
ActiveRosa L. · Rose
Poulsen Roser A/S
Ph79a
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Poulpar048
Application submittedRosa L. · Rose
Poulsen Roser A/S
PHAJE
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PKM01
TerminatedCampanula L. · Bellflower
Gartneriet PKM A/S
Plapink 1304
ActiveRubus idaeus L. · Red raspberry
Plantas de Navarra S.A.