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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.

Solarnet

Terminated

Cucumis melo L. · Melon

NL
2 records

Soda

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Torera

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

HU
2 records

Tifon

Active

Ribes nigrum L. · Blackcurrant

FR
4 records

Rossano

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Tena

Active

Daucus carota L. · Carrot

CZ
2 records

Taranto

Active

Capsicum annuum L. · Bell pepper

NL
2 records

Ronjana

Protection expired

Beta vulgaris Garden Beet Group · Garden beet

DE
2 records

Romy 406

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Szirén

Active

Vitis L. · Grapevine

HU
2 records

Tamina

Active

Vitis L. · Grapevine

RO
2 records

Tallante

Active

Capsicum annuum L. · Bell pepper

NL
3 records

Scorilo

Active

Capsicum annuum L. · Bell pepper

RO
2 records

Rhino

Terminated

Spinacia oleracea L. · Spinach

NL
2 records

Siba

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NL
4 records

Revenge

Terminated

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

NL
2 records

Red Bohemia

Active

Malus domestica (Suckow) Borkh. · Apple

CZ
4 records

Salsino

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Stella

Active

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

DK
2 records

Regal

Terminated

Brassica oleracea L. (Broccoli Group) · Broccoli

PT
2 records

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