Doortje Hes
ActiveTulipa L. · Tulip
Paridon
Variety traits
Tulipa L.
A key morphological trait of the tulip determined by the concentration of anthocyanins, flavonols, and carotenoids. Assessment is conducted visually at full bloom, taking into account pigment intensity, color distribution patterns, and the presence of additional coloration elements.
In the reference 442 varieties crop Tulip, where this is mentioned in the description.
International standards based on descriptive color scales are used to evaluate tulip petal color. Variety descriptions document both the base color of the perianth segments and the presence of secondary features such as margins, streaks, spots, or specific coloration of the base.
Biologically, the coloration is determined by the ratio of anthocyanins, which provide red and purple hues, and flavonols and carotenoids, which are responsible for the yellow spectrum. It is essential for the agronomist to differentiate varietal variegation from pathological symptoms caused by dangerous viruses that require roguing.
Color saturation depends directly on growing conditions, including light levels and the availability of mineral nutrients, particularly potassium. The stability and expression of this trait are defining criteria during variety trials and the assessment of ornamental value.
General information about the subject — on the page Flower color.
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.
Tulipa L. · Tulip
Paridon
Tulipa L. · Tulip
Hybris B.V.
Tulipa L. · Tulip
Romein
Tulipa L. · Tulip
G. Buis Bloembollen B.V.
Tulipa L. · Tulip
Bakker B.V.
Tulipa L. · Tulip
Vertuco B.V.
Tulipa L. · Tulip
Bulbes Differance B.V.
Tulipa L. · Tulip
A. Verschoor jr. V.O.F.
Tulipa L. · Tulip
Borst Rights B.V.
Tulipa L. · Tulip
Rooyakkers/Ligthart
Tulipa L. · Tulip
Wilco Besuijen^^^Sjoukje Hof-Laan^^^Simon Laan-Hof
Tulipa L. · Tulip
Tulip Flower B.V.
Tulipa L. · Tulip
Hybris B.V.
Tulipa L. · Tulip
INRA Co/Agri Obtentions
Tulipa L. · Tulip
West-Friesland Tulpen B.V.
Tulipa L. · Tulip
Vertuco B.V.
Tulipa L. · Tulip
Romein
Tulipa L. · Tulip
Krakowska Hodowla i Nasiennictwo Ogrodnicze POLAN sp. z o.o.
Tulipa L. · Tulip
Hobaho B.V.
Tulipa L. · Tulip
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Tulipa L. · Tulip
Maveridge Licensing B.V.
Tulipa L. · Tulip
Maveridge Licensing B.V.
Tulipa L. · Tulip
Remarkable C.V.
Tulipa L. · Tulip
Holland Bolroy Markt B.V.