Crispy Ruby
Application submittedTulipa L. · Tulip
REUS T.H.
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
REUS T.H.
Tulipa L. · Tulip
SMAL TED
Tulipa L. · Tulip
Testcentrum voor Siergewassen B.V.
Tulipa L. · Tulip
Vertuco B.V.
Tulipa L. · Tulip
Holland Bolroy Markt B.V.
Tulipa L. · Tulip
Testcentrum voor Siergewassen B.V.
Tulipa L. · Tulip
Maveridge Licensing B.V.
Tulipa L. · Tulip
G. Buis Bloembollen B.V.
Tulipa L. · Tulip
J & T Bloembollen B.V.
Tulipa L. · Tulip
Mellema-Versteeg B.V.
Tulipa L. · Tulip
Triflor Breeding Rights B.V.
Tulipa L. · Tulip
J & T Bloembollen B.V.
Tulipa L. · Tulip
Joseph Petrus Kaptein
Tulipa L. · Tulip
Goede Tulpen B.V.
Tulipa L. · Tulip
J.A.Borst Bloembollen B.V.
Tulipa L. · Tulip
Mastenbroek Bloembollen B.V./Vriend Cultures B.V.
Tulipa L. · Tulip
Testcentrum voor Siergewassen B.V.
Tulipa L. · Tulip
Marax Tulips V.O.F.
Tulipa L. · Tulip
Testcentrum voor Siergewassen B.V.
Tulipa L. · Tulip
Wageningen Plant Research
Tulipa L. · Tulip
Rooyakkers B.V./Ligthart
Tulipa L. · Tulip
G. Buis Bloembollen B.V.
Tulipa L. · Tulip
Vriend Cultures B.V.
Tulipa L. · Tulip
Maveridge International B.V.