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Variety traits

Maturity group

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.

Sources10

Breakdown by crop

Maize maturity group 5 061 Tomato maturity group 2 293 Sunflower maturity group 1 708 Maturity group — soft wheat 1 598 Maize maturity group 1 583 Grape Ripening Period 1 407 Potato maturity group 1 217 Barley Maturity Group 1 086 Pepper maturity groups 1 065 Apple Ripening Groups 890 Bean maturity group 807 Peach Maturity Group 794 Pea Maturity Group 779 Maturity Group — Soybean 777 Rapeseed maturity group 739 Maturity group — sugar beet 700 Cucumber Maturity Groups 670 Lettuce maturity group 589 Grape Ripening Period 579 Maturity group — Perennial ryegrass 564 Sweet Cherry Ripening Period 507 Carrot Maturity Groups 415 Melon maturity groups 410 Maturity group — white cabbage 384

Found in these crops

Maize 4 386 Maize 1 378 Sunflower 1 347 Tomato 1 205 Bread wheat 1 015 Barley 753 Potato 741 Soybean 740 Sugar beet 589 Bell pepper 582 Rapeseed 550 Common bean 518

Varieties that feature this in their description

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.

MBS9318

Active

Zea mays L. · Maize

Francis Glenn

UA
2 records

Miro

Application submitted

Pisum sativum L. · Pea

Van Waveren Saaten GmbH

NL
1 record

Monastyrski

Terminated

Cucumis sativus L. · Cucumber

Krakowska Hodowla i Nasiennictwo Ogrodnicze POLAN sp. z o.o.

PL
1 record

Mégane

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

MBS Europe (FR)

FR
1 record

MEF1740CMS

Terminated

Zea mays L. · Maize

Baptiste Roger

UA
4 records

Maxter XR

Active

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

MEK2967CMS

Terminated

Zea mays L. · Maize

Baptiste Roger

UA
4 records

Marysia

Terminated

Glycine max (L.) Merr. · Soybean

Scherbyna Oleksandr Zinoviievych, Chernenko IEvhen Viktorovych, Polischuk Svitlana Viktorivna, Tymoshenko Oleksandr Oleksiiovych, Romaniuk Lidiia Serhiivna, Shcerbyna Olena Zinoviivna, Mykhailov Viacheslav Hryhorovych,

UA
2 records

Maryna

Terminated

Stevia rebaudiana (Bertoni) Bertoni · Sweet leaf

Sahanova Tamara Pavlivna, Yendruzhiievs`ka Liubov Pavlivna, Stefaniuk Volodymyr Iosypovych,

UA
2 records

MILTON SG

Active

Zea mays L. subsp. mays (Maize Group) · Maize

GLENN SEED LTD

ES
1 record

Milor

Protection expired

Lolium x hybridum Hausskn. · Hybrid ryegrass

Societe Eraf (FR)

FR
1 record

Millennium F1

Active

Solanum lycopersicum L. · Tomato

Boni Paolo

UA
2 records

MDS1024HC

Application submitted

Helianthus annuus L. · Sunflower

MAS SEEDS

IT
1 record

MDM5334

Application submitted

Zea mays L. · Maize

MAS SEEDS

IT
1 record

Mkh 524 A

Terminated

Helianthus annuus L. · Sunflower

Brahin Oleksandr Mykolaiovych, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,

UA
2 records

Mila STB

Terminated

Solanum tuberosum L. · Potato

Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie

PL
1 record

Milar

Terminated

Phaseolus vulgaris L. · Common bean

Tezier SA (FR)

FR
2 records

MASVEROB

Terminated

Rosa L. · Rose

Dominique MASSAD (FR)

FR
1 record

MK 3131

Terminated

Zea mays L. · Maize

Savchenko Serhii Pavlovych, Shapoval Mykhailo Vasyl`ovych, Tsentylo Leonid Vasyl`ovych, Palamarchuk Mykola Mykolaiovych, Bahatchenko Volodymyr Vasyl`ovych, Boreiko Vasyl` Sydorovych,

UA
2 records

Maspower

Withdrawn

hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner

Nunhems B.V.

NL
2 records

Misty

Active

Lilium L. · Lily

Mak Leek Inc.

NL
1 record

Mieka

Terminated

Triticum aestivum L. subsp. aestivum · Bread wheat

ZIEBA| Dr. Marceli Zieba c/o Stacja Hodowli Roslin Zaklad Hodowli Pszenicy

DE
2 records

Milpain

Terminated

Triticum aestivum L. · Bread wheat

Adrien Momont et Fils SCA (FR)

FR
2 records

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