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.
Glycine max (L.) Merr. · Soybean
Poljoprivredni Institut Osijek, HR
Gossypium hirsutum L. · Upland cotton
CSIRO COTTON RESEARCH UNIT
Glycine max (L.) Merr. · Soybean
Semences Prograin Inc
Chrysanthemum L. · Chrysanthemum
WILLIAM E DUFFETT
Beta vulgaris Sugar Beet Group · Sugar beet
KWS Saat AG, DE
Glycine max (L.) Merr. · Soybean
SG Ceresco Inc, CA
Lactuca sativa L. · Lettuce
SVS Holland B.V.
Zea mays L. · Maize
Pinter Zoltan / Gyulavari Oszkar / Szel Sandor / Kalman Laszlo / Devenyi Karolyne
Corylus avellana L. · Common hazel
Shawn A. Mehlenbacher, Rebecca L. McCuskey, David C. Smnit
Helianthus annuus L. · Sunflower
SYNGENTA SEEDS A.G.
Helianthus annuus L. · Sunflower
Rene Baratin
Pisum sativum L. · Pea
Nickerson Seeds Ltd (GB)/Nickerson SA (FR)
Carthamus tinctorius L. · Safflower
Saatzucht Streng-Engelen GmbH & Co. KG^^^Carsten Reinbrecht
Raphanus sativus L. var. sativus · Radish
Takii & Company Ltd
Helianthus annuus L. · Sunflower
Nicolae Boaghe, Elena Andreea Teodorescu
Glycine max (L.) Merr. · Soybean
Claude-Alain Bétrix
Helianthus annuus L. · Sunflower
Institute of Field & Vegetable Crops (RS)/Soltis (FR)
Sinapis alba L. · White mustard
Ir. Marc Joordens
Brassica oleracea L. (Cauliflower Group) · Cauliflower
ASGROW SEED CO
Phleum pratense L. · Timothy grass
Julén, Gösta
Brassica oleracea L. (White Cabbage Group) · White cabbage
Ger Beemsterboer
Lactuca sativa L. · Lettuce
SCHLEMMER| Ursel Schlemmer-Springmann
Brassica napus var. napus · Rapeseed
PIONEER OVERSEAS CORPORATION
Glycine max (L.) Merr. · Soybean
RAGT 2N S.A.S