Barspectra
Application submittedLolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass
Barenbrug Holland BV, 6501 BH Nijmegen
Variety traits
Yield is the volume of produce obtained per unit area, reflecting the realization of a variety's genetic potential under specific growing conditions.
Mentioned in descriptions 67 000 varieties reference book.
A variety's yield represents the volume of produce harvested per unit area and is categorized into potential, projected, biological, and actual yield. It manifests as the result of the plant's genetic capabilities being realized, limited by external environmental conditions and the effectiveness of applied agricultural practices.
This indicator depends on the suitability of the variety to soil and climatic conditions, the level of agronomy, the quality of preceding crops, and genotype stability. Assessing yield structure includes an analysis of stand density, tillering, number of grains or tubers, and thousand kernel weight, which allows for the determination of productivity formation factors.
For accurate variety comparison during variety trials, indicators are adjusted to standard moisture content and correlated with a control variety standard. When selecting a variety, ecological plasticity, yield variability across different years, and statistical significance of data, expressed through the least significant difference, are taken into account.
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass
Barenbrug Holland BV, 6501 BH Nijmegen
Solanum tuberosum L. · Potato
KEIJER J., COMMIES H.S.
Brassica napus var. napus · Rapeseed
DSV, D
x Triticosecale Wittm. ex A. Camus · Triticale
Station Dankow Laski (PL)
Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass
Euro Grass Breeding GmbH & Co. KG, D-59557 Lippstadt
Brassica napus var. napus · Rapeseed
SERASEM RECHERCHE ET SÉLECTION VÉGÉTALES
Phaseolus vulgaris L. · Common bean
U S DEPT OF AGRICULTURE
Hordeum vulgare L. · Barley
Claus Einfeldt
Helianthus annuus L. · Sunflower
SYNGENTA SEEDS AG, CH
Phaseolus vulgaris L. · Common bean
Shreeshal Hadapad
Hordeum vulgare L. · Barley
LOCHOW| KWS LOCHOW GMBH
Hordeum vulgare L. · Barley
Deutsche Saatveredelung, D
Pisum sativum L. · Pea
INNOSEEDS
Poa pratensis L. · Kentucky bluegrass
DLF-Seeds A/S
Trifolium pratense L. · Red clover
Rijksstation Voor Plantenveredeling (BE)/Barenbrug MAES (BE)
Triticum aestivum L. · Bread wheat
RAGT R2n sas, FR-12033 Rodez Cedex 9
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Nunhems, NL
Prunus persica (L.) Batsch · Peach
Helianthus annuus L. · Sunflower
Codisem, FR
Phleum pratense L. · Timothy grass
Rijksstation Voor Plantenveredeling (BE)
Helianthus annuus L. · Sunflower
Rene Baratin
Festuca arundinacea Schreb. · Tall fescue
DLF Seeds A/S
Pisum sativum L. · Pea
KWS Lochow
Lolium perenne L. · Perennial ryegrass
DLF-Seeds A/S