Amazonka
ActiveCucurbita maxima Duchesne · Giant pumpkin
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Variety traits
Maturity group is a biological characteristic of a variety that determines the length of its growing season from emergence to full maturity. This trait is a key tool for planning agronomic operations and selecting varieties suited to the climatic conditions of a region.
Mentioned in descriptions 89 063 varieties reference book.
Maturity group represents a biological characteristic of a variety that determines the duration of the growing season from the moment of seedling emergence to the onset of harvest or full maturity. This trait directly influences the choice of production strategy, allowing agronomists to optimize harvest timing, minimize losses due to crop lodging or over-ripening, and adapt crops to local climate conditions, avoiding risks associated with early frosts or drought periods.
The assessment of the maturity group is conducted within the framework of state variety testing on specialized plots by comparing the variety under study with a zoned standard. The duration of the growing season in days is used as a quantitative indicator. The gradation of groups from early-maturing to late-maturing does not have uniform numerical boundaries for all species, as it is based on the biological characteristics of a specific crop and the conditions of the cultivation zone.
Membership in a maturity group is determined by the genetic characteristics of the variety, however, the rate of progression through phenological phases depends on abiotic factors such as temperature regime, moisture availability, and photoperiodism. Cultivation techniques, including sowing dates and fertilization systems, can adjust maturation timing but do not change the genetic classification of a variety into a specific group.
There is an interconnection between the maturity group and biochemical indicators of product quality, such as protein and gluten content in the grain. For effective utilization of this trait, it is necessary to rely on the results of local trials, as a variety may perform differently under various soil and climatic conditions.
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.
Cucurbita maxima Duchesne · Giant pumpkin
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Vicia sativa L. · Common vetch
Jouffray-Drillaud SA (FR)
Prunus avium (L.) L. · Sweet cherry
Lowell Glen Bradford (US)
Cicer arietinum L. · Chickpea
Diego Rubiales Olmedo^^^Ana Moral Jiménez
Glycine max (L.) Merr. · Soybean
INSTYTUT HUDOWLI
Lolium perenne L. · Perennial ryegrass
Agroscope Reckenholz
Triticum aestivum L. · Bread wheat
CO.NA.SE SOC.COOP.AGR
Trifolium pratense L. · Red clover
University of Alberta
Helianthus annuus L. · Sunflower
SEMILLAS BATLLE S.A.
Solanum tuberosum L. · Potato
IPR B.V.
Glycine max (L.) Merr. · Soybean
Asociados Don Mario, ARG
Oryza sativa L. · Rice
LUGANO LEONARDO SRL
Vitex agnus-castus L. · Chaste tree
Dr. Bernd Büter
Festuca arundinacea Schreb. · Tall fescue
Semillas El Solc
Oryza sativa L. · Rice
Almo S.p.A.
Hordeum vulgare L. · Barley
CREA- CENTRO DI RICERCA GENOMICA E BIOINFORMATICA (CREA-GB-FIO)
Cucurbita pepo L. · Field pumpkin
Monsanto Vegetable, NL
Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
SVALOF AB
Hordeum vulgare L. · Barley
Saatzucht Josef Breun GmbH & Co.KG (DE)
Triticum aestivum L. · Bread wheat
SARL ADRIEN MOMONT ET FILS, FR
Zea mays L. · Maize
Nat Page
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Helianthus annuus L. · Sunflower
Pioneer Overseas Corporation, USA
Trifolium repens L. · White clover
LIMAGRAIN NEDERLAND