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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

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

Tomato 944 Bell pepper 415 Lettuce 371 Cucumber 272 Potato 256 White cabbage 242 Melon 231 Carrot 215 Cauliflower 192 Field pumpkin 149 Maize 146 Common bean 146

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.

Bubka

Active

Petroselinum crispum (Mill.) Nym. ex A.W. Hill ssp. crispum · Parsley

NL
1 record

Rapier

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

1 record

AWOLA

Terminated

Pisum sativum L. · Pea

HR
1 record

Ideaal

Active

Phaseolus vulgaris L. · Common bean

1 record

CV. ROTUNDA

Protection expired

Lagenaria siceraria (Molina) Standl. · Calabash

HR
1 record

CHESMA F1

Terminated

Brassica oleracea L. (Cabbage Group) · Cabbage

HR
1 record

Elba

Active

Solanum lycopersicum L. · Tomato

1 record

Dominga

Active

Vitis L. · Grapevine

1 record

Cybele

Active

Lactuca sativa L. · Lettuce

1 record

Lival N

Active

Vitis L. · Grapevine

1 record

Sprint

Active

Daucus carota L. · Carrot

NL
1 record

MARKET VICTOR

Terminated

Brassica oleracea L. (Cabbage Group) · Cabbage

HR
1 record

Halley

Terminated

Solanum lycopersicum L. · Tomato

1 record

Large W. Ribbed

Protection expired

Beta vulgaris Leaf Beet Group · Swiss chard

CY
1 record

Capri

Active

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

1 record

C-310

Terminated

Gossypium L. · Cotton

1 record

TUCANA F1 RS

Terminated

Brassica oleracea L. (Cabbage Group) · Cabbage

HR
1 record

JEROME F1

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HR
1 record

EGEJ

Terminated

Hordeum vulgare L. · Barley

HR
1 record

DELPHIN F1

Terminated

Capsicum annuum L. · Bell pepper

HR
1 record

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