Ursa
Protection expiredSolanum lycopersicum L. · Tomato
GSN Seeds (US)
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.
Solanum lycopersicum L. · Tomato
GSN Seeds (US)
Beta vulgaris Sugar Beet Group · Sugar beet
LION SEEDS
Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass
Danko Hodowla Roslin Sp.z.o.o.
Solanum lycopersicum L. · Tomato
Monsanto Vegetable IP Management B.V.
Freesia Eckl. ex Klatt · Freesia
B.V. HANDELSKWEKERIJ M.C. VAN STAAVEREN
Lactuca sativa L. · Lettuce
Paragon Seed, Inc.
Zea mays L. · Maize
Parii Myroslav Fedorovych
Phaseolus vulgaris L. · Common bean
GSN Semences SAS (FR)
Solanum tuberosum L. · Potato
RUP «NAUCHNO - PRAKTICHESKIJ CZENTR NACZIONALNOJ AKADEMII NAUK BELARUSI PO KARTOFELEVODSTVU I PLODOOVOSHHEVODSTVU»
Dianthus caryophyllus L. · Carnation
Gerrit Kooij
Allium cepa L. var. cepa · Onion
Seminis Vegetable Seeds
Avena sativa L. · Oat
SARL ADRIEN MOMONT ET FILS, FR
Helianthus annuus L. · Sunflower
Kyrychenko Maryna Serhiivna, Babych Viktoriia Olehivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,
Solanum lycopersicum L. · Tomato
Vilmorin-Mikado S.A.S.
Helianthus annuus L. · Sunflower
PETIARD Benoit
Zea mays L. · Maize
Parii Myroslav Fedorovych
Triticum aestivum L. · Bread wheat
Galya Katrandzhieva
Solanum tuberosum L. · Potato
BRETAGNE PLANTS INNOVATION S.A.S.
Solanum tuberosum L. · Potato
OAR Martin Scheidt in Bayerische Landesanstalt für Bodenkultur und Pflanzenbau / LD Dr. Munzert in Bayerische Landesanstalt für Bodenkultur und Pflanzenbau
Zea mays L. · Maize
Syngenta Participations AG
Brassica oleracea L. (Broccoli Group) · Broccoli
Bejo Zaden B.V.
Zea mays L. · Maize
Nuzhna Mariia Volodymyrivna, Hlushko Tetiana Viktorivna, Hozh Oleksandr Anatoliiovych, MarchenkoTetiana IUriivna, Lavrynenko IUrii Oleksandrovych,
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI - DIREZIONE GENERALE DELLE POLITICHE AGRICOLE ED AGROINDUSTRIALI NAZIONALI
Cucumis sativus L. · Cucumber
Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas