Opera
ActiveAllium cepa L. var. cepa · Onion
CORA SEEDS SRL, IT
FR
3 records
Variety traits
Uniformity — Onion
Allium cepa L. var. cepa
Onion uniformity is a key morphological trait that determines the consistency of bulbs in terms of size, shape, and plant maturation rate, which is essential for mechanized harvesting and commercial sorting.
In the reference 30 varieties crop Onion, where this is mentioned in the description.
When assessing onion uniformity, bulb caliber and geometry are taken into account, as well as the synchronicity of plants entering the leaf senescence phase. High uniformity means that the bulk of the harvest is homogeneous, which is critical for minimizing losses during mechanized harvesting and reducing costs associated with manual post-harvest processing.
In scientific research, the degree of uniformity of quantitative traits is determined using the coefficient of variation, where low values indicate high population homogeneity. In practice, commercial uniformity is evaluated through the distribution of produce into fractions based on bulb diameter in accordance with current standards.
General information about the subject — on the page Uniformity.
Varieties of Onion mentioned in the description
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.
Dawson
ActiveAllium cepa L. var. cepa · Onion
Bejo Zaden B.V., De Groot en Slot B.V.
NL
3 records
Bella Catarina
TerminatedAllium cepa L. var. cepa · Onion
SAKATA SEED SUDAMERICA LTDA
ES
2 records
Tannat
ActiveAllium cepa L. var. cepa · Onion
Enza Zaden Beheer B.V.
NL
3 records
Axati
ActiveAllium cepa L. var. cepa · Onion
MERIDIEM SEEDS S.L.
ES
2 records
Allurion
ActiveAllium cepa L. var. cepa · Onion
Gourmet C.V.
NL
3 records
Bila
ActiveAllium cepa L. var. cepa · Onion
PlantiCo Zielonki Sp. z o.o.
PL
3 records
Red Clay
ActiveAllium cepa L. var. cepa · Onion
Bejo Zaden B.V.
NL
3 records
Finezja
ActiveAllium cepa L. var. cepa · Onion
Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa w Ozarowie Mazowieckim Spolka z o.o.
PL
2 records
Irene
ActiveAllium cepa L. var. cepa · Onion
INTERSEMILLAS SAU
ES
2 records
Golazo
ActiveAllium cepa L. var. cepa · Onion
HAZERA SEEDS BV
ES
3 records
BB ALO 0811
ActiveAllium cepa L. var. cepa · Onion
Bakker Brothers Gebroeders Bakker Zaadteelt en Zaadhandel BV
PL
2 records
Guimar
ActiveAllium cepa L. var. cepa · Onion
PETOSEED CO
ES
2 records
Yosemite
ActiveAllium cepa L. var. cepa · Onion
K2 Seed Growers, Inc (US)
FR
2 records
Dakota
ActiveAllium cepa L. var. cepa · Onion
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
PL
2 records
Pirineos
ActiveAllium cepa L. var. cepa · Onion
Enza Zaden Beheer B.V.
NL
2 records
Powell
ActiveAllium cepa L. var. cepa · Onion
Bejo Zaden B.V., De Groot en Slot B.V.
NL
3 records
Progression
ActiveAllium cepa L. var. cepa · Onion
Syngenta Seeds B.V.
NL
2 records
Duster
ActiveAllium cepa L. var. cepa · Onion
Bayer Holland B.V.
NL
3 records
Cymes
ActiveAllium cepa L. var. cepa · Onion
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
PL
3 records
Debora
ActiveAllium cepa L. var. cepa · Onion
INTERSEMILLAS SAU
ES
2 records
Zorza
TerminatedAllium cepa L. var. cepa · Onion
SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.
PL
4 records
Malbec
ActiveAllium cepa L. var. cepa · Onion
Enza Zaden Beheer B.V.
NL
3 records
Telesto
ActiveAllium cepa L. var. cepa · Onion
TAKII EUROPE B V
NL
2 records