Sputnik
ActiveSpinacia oleracea L. · Spinach
SSC JP
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.
Spinacia oleracea L. · Spinach
SSC JP
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Phaseolus vulgaris L. · Common bean
Nunhems B.V.
Triticum durum Desf. · Durum wheat
ISEA S.R.L
Zea mays L. · Maize
DOW AgroSciences
Phaseolus vulgaris L. · Common bean
Pop Vriend, NL
Glycine max (L.) Merr. · Soybean
University of Guelph Department of Plant Agriculture
Cucumis sativus L. · Cucumber
HILD SAMEN GMBH
Hordeum vulgare L. · Barley
Saaten-Union
Brassica oleracea L. (White Cabbage Group) · White cabbage
Kees Reinink
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
Domaine Public (FR)
Glycine max (L.) Merr. · Soybean
Solohub Oleksandr Mykhailovych, Tymoshenko Oleksandr Oleksiiovych, Parfeniuk Oleksandr Viktorovych, Starychenko Vasyl Mykolaiovych, Romaniuk Lidiia Serhiivna, Shcerbyna Olena Zinoviivna, Mykhailov V'iacheslav Hryhorovych,
Lolium perenne L. · Perennial ryegrass
GIE GRASS (FR)
Pisum sativum L. · Pea
MADAJEWSKI| Roman Madajewski c/o PIAST Hodowla Roslin
x Triticosecale Wittm. ex A. Camus · Triticale
Danko Hodowla Roslin Sp.z.o.o.
Linum usitatissimum L. · Common flax
Laboulet Semences, FR
Linum usitatissimum L. · Common flax
SECOBRA RECHERCHES S.A.S
Glycine max (L.) Merr. · Soybean
INSTYTUT HUDOWLI
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Triticum aestivum L. · Bread wheat
Florimond Desprez Veuve et Fils, FR
Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium
Hofmann Christa
Allium cepa L. · Onion
ISI Sementi, I
Triticum aestivum L. · Bread wheat
RAGT 2n
Zea mays L. · Maize
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