Variety traits
Gladiolus L.
The underground renewal organ of the gladiolus, the productivity and flowering time of which depend directly on its diameter and physiological age.
In the reference 119 varieties crop Gladiolus, where this is mentioned in the description.
The classification of gladiolus corms by commercial size grades is based on diameter: grade I is 3.2 cm or more, grade II is 2.5 to 3.1 cm, grade III is 1.5 to 2.4 cm, and grade IV is 1.0 to 1.4 cm. For breeding purposes, the shape coefficient, calculated as the ratio of the corm's height to its diameter, and the size of the basal plate are additionally analyzed.
The size of the planting material determines the biological potential of the plant: large corms of grades I and II ensure earlier flowering and the development of high-quality flower spikes. At the same time, an excessive increase in diameter over 5 cm often indicates physiological aging, which manifests itself in a flattened shape and reduced ornamental value.
Corm size is a varietal trait; therefore, the genetic characteristics of a specific cultivar, such as the degree of petal frilling, can influence average size parameters. To assess cultivar productivity in agronomic practice, the propagation coefficient, which accounts for the number of replacement corms and cormels, is additionally recorded.
General information about the subject — on the page Bulb.
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.
Gladiolus L. · Gladiolus
SNOEK J.| J. Snoek
Gladiolus L. · Gladiolus
Konynenburg & Mark BV (NL)
Gladiolus L. · Gladiolus
Zipperer, III John O.
Gladiolus L. · Gladiolus
Zipperer, III John O.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging “Horizon” U.A.
Gladiolus L. · Gladiolus
Testcentrum voor Siergewassen B.V.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging “Horizon” U.A.
Gladiolus L. · Gladiolus
For Ever Bulbs B.V.
Gladiolus L. · Gladiolus
Testcentrum voor Siergewassen B.V.
Gladiolus L. · Gladiolus
Tjeerd Dijkstra
Gladiolus L. · Gladiolus
Testcentrum voor Siergewassen B.V.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging "For Ever" U.A.
Gladiolus L. · Gladiolus
K & K Gootjes V.O.F.
Gladiolus L. · Gladiolus
Cohen Avner
Gladiolus L. · Gladiolus
For Ever Bulbs B.V.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging “Horizon” U.A.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging "For Ever" U.A.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging "For Ever" U.A.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging "For Ever" U.A.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging "For Ever" U.A.
Gladiolus L. · Gladiolus
For Ever Bulbs B.V.
Gladiolus L. · Gladiolus
Testcentrum voor Siergewassen B.V.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging "For Ever" U.A.
Gladiolus L. · Gladiolus
J. en P. Snoek en Zn. B.V.