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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.

LDZ24424

Application submitted

Zea mays L. · Maize

Lidea France SAS, FR

BG
1 record

LC991

Active

Helianthus annuus L. · Sunflower

Research Institute for Cereals and Industrial Crops-Fundulea (RO)

FR
1 record

LE19/360

Active

Brassica napus var. napus · Rapeseed

Limagrain Europe S.A.S

ES
1 record

LNZ STEND

Active

Triticum aestivum L. · Bread wheat

Datsenko IElyzaveta Kostiantynivna, Datsenko Anatolii Mykhailovych,

UA
2 records

LDZ24347

Application submitted

Zea mays L. · Maize

Lidea France SAS, FR

BG
1 record

LN 0028

Active

Zea mays L. · Maize

Filimonov Volodymyr Vasyl`ovych, Darmohrai Serhii Ivanovych, Franchuk Roman Ivanovych, Datsenko Anatolii Mykhailovych,

UA
2 records

LB 319 MV

Active

Zea mays L. · Maize

Serikov Volodymyr Petrovych, Sokolov Viacheslav Oleksiiovych, Bielousov Anatolii Oleksandrovych,

UA
2 records

LDD 06

Terminated

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

Maisadour Societe Cooperative Agricole (FR)

FR
1 record

Lizinko

Active

Lilium L. · Lily

Mak Breeding Rights B.V.

NL
1 record

LC166AIR

Active

Helianthus annuus L. · Sunflower

Nicolae Boaghe, Elena Andreea Teodorescu

UA
2 records

Linda 156

Terminated

Prunus avium (L.) L. · Sweet cherry

Brozik Sandor / Apostol Janosne

HU
1 record

LC-1088C

Terminated

Helianthus annuus L. · Sunflower

Voinesku Heorhii, Vrinchanu Oleksandru Viorel,

UA
1 record

LB 226 zM

Terminated

Zea mays L. · Maize

Bielousov Anatolii Oleksandrovych

UA
2 records

LTH391

Withdrawn

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

Maisadour Semences, FR

FR
1 record

Latte BMR

Withdrawn

Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass

DESERT SUN MARKETING COMPANY INC

IT
1 record

Little Brinjal

Application submitted

Solanum melongena L. · Eggplant

ReinSaat KG

AT
1 record

Latit

Application submitted

Solanum lycopersicum L. var. lycopersicum · Tomato

NIRIT SEEDS

IT
1 record

Lady Apricot

Withdrawn

Chrysanthemum x morifolium Ramat. · Florist's daisy

Vitroflora K.A. Pawlak

PL
3 records

Louxor

Active

Dactylis glomerata L. · Cocksfoot

GIE GRASS (FR)

FR
1 record

Lorka

Terminated

Pisum sativum L. · Pea

Van Waveren Pflanzenzucht (DE)

FR
1 record

Limeo

Application submitted

Capsicum annuum L. · Bell pepper

W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O

PL
1 record

LARGO17-3

Withdrawn

Asparagus officinalis L. · Asparagus

Mª LUISA GONZALEZ CASTAÑON

ES
1 record

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