Variety traits
Productivity is the biological potential of a variety realized under specific growing conditions. It reflects the ability of a variety to produce a yield depending on agronomic practices, climate, and soil fertility.
Mentioned in descriptions 27 845 varieties reference book.
The productivity of a variety is a characteristic of its biological potential, which manifests itself through interaction with production conditions. It is divided into potential yield, possible under ideal environmental parameters, and actual (planned) yield, which depends on the actual level of agronomic practices, seed quality, and the climatic characteristics of a specific year. The choice of a variety is based on the correspondence of its genetic capabilities to the intensity level of technologies used on the farm.
Yield metrics in centners or tons per hectare are used to assess productivity, and in greenhouses, in kilograms per square meter. Since crop moisture content at harvest can vary, data is recalculated to a standard moisture content to ensure accurate varietal comparison. This complex trait is formed from yield structure elements, such as stand density, grain per ear, thousand kernel weight, and plant survival.
Productivity assessment during variety testing is conducted in comparison with a standard variety on plots with multiple replications to ensure data reliability. For statistical confirmation of differences, analysis of variance methods are used at a 95% confidence level. A condition for recommending a variety for introduction is its statistically significant superiority over the standard in productivity or other economically useful traits, with an increase of 8–10% considered a substantial basis for further study.
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. ssp. italicum (A. Br.) Volkart · Italian ryegrass
STELLING DIETER
Oryza sativa L. · Rice
Almo S.p.A.
Festuca arundinacea Schreb. · Tall fescue
Semillas Biscayart S.A.
Malus Mill. · Apple
M. Doyle Fleming Caudle Apple Inc.
Gossypium hirsutum L. · Upland cotton
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION (CSIRO) PLANT INDUSTRY
Malus domestica (Suckow) Borkh. · Apple
IFO SARL (FR)
x Triticosecale Wittm. ex A. Camus · Triticale
SAS Lemaire-Deffontaines
Lolium perenne L. · Perennial ryegrass
Mommersteeg International BV (NL)
Capsicum annuum L. · Bell pepper
Nunhems B.V. -Holanda-
Lolium perenne L. · Perennial ryegrass
VANDIJKE SEMP
Asparagus officinalis L. · Asparagus
Bejo Zaden B.V.
Linum usitatissimum L. · Common flax
Terre de Lin Sca (FR)
Phaseolus vulgaris L. · Common bean
HOLLAND SELECT
Prunus armeniaca L. · Apricot
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt
Peter Kunz
Malus domestica (Suckow) Borkh. · Apple
THIERRY CLOS
Pyrus communis L. · European pear
Dr HA Quamme (CA)
Lolium perenne L. · Perennial ryegrass
Aberystwyth University (IBERS)
Asparagus officinalis L. · Asparagus
Theuws Johannes Henricus Adrianus / Arends Lambert Willem Johannes
Lolium perenne L. · Perennial ryegrass
Aberystwyth University (IBERS)
Alstroemeria L. · Alstroemeria
van Zanten Plants b.v
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
University of California, Plant Sciences, Davis / University of California, Plant Sciences, Davis
Alstroemeria L. · Alstroemeria
Marcus W. Kuiper
Lilium L. · Lily
Vletter en den Haan Beheer B.V.