Skip to content
agronom.cc cultivar database

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.

Pirin

Active

Gossypium hirsutum L. · Upland cotton

Neli Valkova, Minka Koleva

BG
2 records

POEMA

Terminated

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

HILLESHOG - NK SPA

ES
1 record

Pochaivka

Terminated

Triticum aestivum L. · Bread wheat

Zamlila Nina Petrivna, Cheremkha Olena Maksymivna, Volohdina Halyna Borysivna, Dubovyi Volodymyr Ivanovych, Artemchuk Iryna Petrivna, Morhun Volodymyr Vasylovych,

UA
2 records

PN3040

Application submitted

Zea mays L. · Maize

Frederic Poujeaud

UA
2 records

PN3031XPN01I

Terminated

Zea mays L. · Maize

Frederic Poujeaud

UA
2 records

PMG 102

Active

Prunus persica (L.) Batsch · Peach

CONTE LUIGI / NICOTRA ANTONINO

IT
1 record

Pink Mystery

Active

Lilium L. · Lily

Bisschoff Tulleken B.V.

NL
1 record

Pierfit

Terminated

Solanum lycopersicum L. · Tomato

Clause Semences SA (FR)

FR
2 records

PR36K69

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
1 record

Picra

Protection expired

Brassica juncea (L.) Czern. · Brown mustard

Ringot (FR)

FR
1 record

Pirs MV

Terminated

Zea mays L. · Maize

Kuprichenkova Tetiana Hryhorivna, Aldoshyn Anatolii Vasylovych, Bielikov IEvhen Illich, Kryvul`ko Ruslan Oleksandrovych, Serikov Volodymyr Oleksiiovych, Stupa Leonid IAkovych, Bielousov Anatolii Oleksandrovych, Sokolov V'iacheslav Mykhailovych, Varenyk Bo

UA
2 records

Pirgos

Terminated

Zea mays L. · Maize

INSTITUT ZA KUKURUZ ZEMUN POLJE

IT
1 record

Plovdiv 561

Terminated

Zea mays L. · Maize

A.Popov, I.Popova - Plovdiv (BG)

BG
2 records

Pomorzanka

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich

PL
1 record

PHOGP

Terminated

Zea mays L. · Maize

Kuhn, William E.

HU
1 record

Platt Wit Boer

Terminated

Cucurbita maxima Duchesne · Giant pumpkin

Domaine Public (FR)

FR
1 record

PHILEAXX RR

Terminated

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

MONSANTO TECHNOLOGY

ES
1 record

Plasma

Application submitted

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

FREIHERR VON MOREAU SAATZUCHT

NL
1 record

Polonez

Withdrawn

Glycine max (L.) Merr. · Soybean

NAUKOWO BADAWCZE CENTRUM ROZWOJU SOI 'AGESOYA' SP. Z O.O

PL
1 record

Pink Peterstar

Withdrawn

Euphorbia pulcherrima Willd. ex Klotzsch x Euphorbia cornastra (Dressler) Radcl.-Sm.

JACOBSEN PETER

SE
1 record

Pizarro

Active

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans Georg Lembke KG,DE

FR
1 record

Pivdenna krasunia

Active

Glycine max (L.) Merr. · Soybean

Marchenko Tetiana IUriivna, Biliaieva Iryna Mykolaivna, Klubuk Viktor Vasylovych, Borovyk Vira Oleksandrivna, Vozhehova Raisa Anatoliivna,

UA
2 records

Jump to page 154 308 462 617 696 771 786 806 896 925