Variety traits
Lolium perenne L.
The inflorescence of perennial ryegrass is a spike, the morphological parameters of which, including length (5–27 cm) and heading dates, are key breeding traits.
In the reference 60 varieties crop Perennial ryegrass, where this is mentioned in the description.
The inflorescence of perennial ryegrass is a spike, the parameters of which are evaluated within the framework of DUS tests. The main characteristics include the inflorescence length, ranging from 5 to 20 cm, the number of spikelets, and the phenological trait of heading time, recorded upon the emergence of the inflorescence from the sheath of the flag leaf.
Breeding evaluation of inflorescences is conducted on a scale of 1 to 9 points to determine the propensity for their formation. Spike length and the number of spikelets have a direct positive correlation with seed yield, making these indicators a priority when selecting varieties for seed production.
For pasture use, heading phenology is important: late appearance of inflorescences is preferred, as intensive development of generative shoots leads to stem lignification and a decrease in the nutritional value of the stand. Heading dates also determine mowing schedules for hay harvesting.
General information about the subject — on the page Inflorescence.
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.
Lolium perenne L. · Perennial ryegrass
DUMON AGRO
Lolium perenne L. · Perennial ryegrass
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Gisela Luebbe
Lolium perenne L. · Perennial ryegrass
DLF-TRIFOLIUM A/S
Lolium perenne L. · Perennial ryegrass
Plant Breeding Hladke Zivotice, s.r.o. (CZ)
Lolium perenne L. · Perennial ryegrass
Yates Research
Lolium perenne L. · Perennial ryegrass
Zelder Holland(NL)
Lolium perenne L. · Perennial ryegrass
LIMAGRAIN GENETICS
Lolium perenne L. · Perennial ryegrass
WOLTERS LUKAS / STELLING DIETER
Lolium perenne L. · Perennial ryegrass
Dr. Feuerstein, Busch Heinrich,
Lolium perenne L. · Perennial ryegrass
VIJN| R. Vijn c/o Cebeco Seeds B.V.
Lolium perenne L. · Perennial ryegrass
WELLEN J. J.
Lolium perenne L. · Perennial ryegrass
STELLING DIETER
Lolium perenne L. · Perennial ryegrass
Simplot dba Jacklin Seed (USA)
Lolium perenne L. · Perennial ryegrass
DLF Seeds A-S, DK
Lolium perenne L. · Perennial ryegrass
DLF-Trifolium A/S
Lolium perenne L. · Perennial ryegrass
RAGT 2n
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Lolium perenne L. · Perennial ryegrass
Theodorus P.M. op den Kamp
Lolium perenne L. · Perennial ryegrass
Oseva Uni a.s.
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Lolium perenne L. · Perennial ryegrass
AFBI (Agri-Food and Biosciences Institute)
Lolium perenne L. · Perennial ryegrass
Feldsaaten Freudenberger GmbH&Co.KG
Lolium perenne L. · Perennial ryegrass
Cebeco Zaden BV (NL)