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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.

NPZ22315W

Active

Brassica napus L. · Rapeseed

NORDDEUTSCHE PFLANZENZUCHT LUBECK

IT
1 record

Orient Express F1

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

Lachmann Siegfried

UA
1 record

NPID3881S

Active

Zea mays L. · Maize

Benoit Petiard

UA
2 records

Noa

Withdrawn

Allium cepa L. var. aggregatum G. Don · Shallot

Hoza Zaden B.V.

NL
2 records

Oriana

Terminated

Glycine max (L.) Merr. · Soybean

Sherepitko Valentyn Vasyl`ovych, Kolot Valentyna Vasylivna, Mykhailov Viktor Oleksandrovych, Kolot Viktor Mykolaiovych, Kolisnyk Serhii Ivanovych, Temchenko Inna Viktorivna, Petrychenko Vasyl Florovych, Ivaniuk Serhii Vasyl`ovych, Babych Anatolii Oleksand

UA
1 record

Orlyk 330 MV

Terminated

Zea mays L. · Maize

Dibrova Ivan IErofiiovych, Khromenko Vitalii Oleksandrovych, Larchenko Kateryna Andriivna, Havryliuk Viktor Mykolaiovych, Morhun Volodymyr Vasylovych,

UA
2 records

Oviedo F1

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Ger Beemsterboer

UA
1 record

OAC Belgrave

Terminated

Glycine max (L.) Merr. · Soybean

Istvan Rajcan

UA
2 records

Novabor

Terminated

Lupinus angustifolius L. · Narrow-leaf lupin

Saatzucht Steinach GmbH & Co KG Frau Regine Dieterich

DE
2 records

NX79011

Terminated

Helianthus annuus L. · Sunflower

Syngenta Crop Protection AG

IT
1 record

NX20416

Application submitted

Zea mays L. · Maize

Syngenta Crop Protection AG

IT
1 record

NVP1732

Terminated

Zea mays L. · Maize

Aleksandar Radojcic Nenad Vasic

UA
2 records

NPZ SR 3307

Terminated

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Dr. O. Sass

DE
1 record

Nuprime

Protection expired

Avena nuda L. · Naked oat

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

Oranzh Boss

Active

Capsicum annuum L. · Bell pepper

Tovarystvo z obmezhenoiu vidpovidalnistiu "SPARK SIDZ"

UA
2 records

OS 195

Terminated

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

Poljoprivredni Institut Osijek, HR

HR
1 record

NORDEULA

Terminated

Vicia sativa L. · Common vetch

C.S.I.C.-AULA DEI

ES
1 record

Nezlamnyi

Active

Hordeum vulgare L. · Barley

Vasylenko Taisiia Fedorivna, Korobova Oksana Mykolaivna, Lohvinenko IUrii Volodymyrovych,

UA
2 records

Opale

Terminated

Cichorium intybus L. · Chicory

Hoquet Graines (FR)

FR
2 records

Opus

Withdrawn

x Triticosecale Wittm. ex A. Camus · Triticale

NORDSAAT| NORDSAAT Saatzuchtgesellschaft mbH

DE
1 record

Orlik

Terminated

Hordeum vulgare L. · Barley

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

PL
1 record

Orlex

Terminated

Pisum sativum L. · Pea

FRANCE GRAINES (FR)

FR
1 record

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