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 pepo L. · Field pumpkin
Domaine Public (FR)
Gossypium hirsutum L. · Upland cotton
Valentina Dimitrova, Ana Saldzhieva
Phaseolus vulgaris L. · Common bean
Syngenta Seeds BV (NL)
Helianthus annuus L. · Sunflower
MAS Seeds,FR
Helianthus annuus L. · Sunflower
Mas Seeds S.A.S.
Solanum lycopersicum L. · Tomato
SYNGENTA SEEDS B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderhave NV
Cucurbita pepo L. · Field pumpkin
SEMENTI DOTTO SPA
Pisum sativum L. · Pea
Syngenta Seeds BV (NL)
Zea mays L. · Maize
Samir Rady
Solanum tuberosum L. · Potato
Saka Pflanzenzucht GmbH Co KG
Cucumis sativus L. · Cucumber
NUNZA BV
Helianthus annuus L. · Sunflower
Mas Seeds S.A.S.
Solanum tuberosum L. · Potato
Stephan Berger^^^JOSEF BERGER
Solanum lycopersicum L. · Tomato
NOVARTIS SEEDS B.V.
Lactuca sativa L. · Lettuce
SUTTONS CONSUMER PRODUCTS LTD
Zea mays L. · Maize
Syngenta Crop Protection AG
Brassica napus var. napus · Rapeseed
HADMERSLEBEN| Lantmaennen SW Seed Hadmersleben GmbH
Helianthus annuus L. · Sunflower
PETIARD Benoit
Glycine max (L.) Merr. · Soybean
W.G. Thompson & Sons Ltd (CA)
Cucumis melo L. · Melon
Tezier SA (FR)
Spinacia oleracea L. · Spinach
Enza Zaden Beheer B.V. (NL)
Zea mays L. · Maize
Tolzhine dr. Totkh Eva, Kalman Laslo, Sel Shandor, Pinter Zoltane, Pinter Zoltan,
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.