Skip to content

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

Found in these crops

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.

HP Pusztaszel

Protection expired

Triticum aestivum L. · Bread wheat

Pepo Pal / Toth Szilard

HU
4 records

Lolium perenne L. · Perennial ryegrass

Aneliya Katova, Petar Vekovski, Georgi Georgiev, Anna Ilieva, Yordanka Naydenova

BG
4 records

Indaco

Active

Oryza sativa L. · Rice

LUGANO LEONARDO SRL

IT
4 records

Jerun

Terminated

Hordeum vulgare L. · Barley

S. Zapryanov, T. Stefanov, Y. Navushtanova, N. Lazarov, V. Mincheva, S. Staykova, N. Baleva

BG
3 records

Horizon

Active

Phleum pratense L. · Timothy grass

Yamashita Taro|Uehara Akio|HOJITO SADAO|Takayama Mitsuo|Tachibana Tadashi|MURAYAMA YASUO|Yatsu Hideki

CZ
3 records

Jeilo

Active

Allium schoenoprasum L. · Chives

Enza Zaden Beheer B.V.

NL
6 records

Solanum lycopersicum L. · Tomato

QIANG SONG

NL
5 records

Honeygal

Active

Cucumis melo L. · Melon

HAZERA SEEDS BV

ES
3 records

Icon

Active

Pisum sativum L. · Pea

Syngenta Seeds B.V.

NL
5 records

Iarim

Active

Oryza sativa L. · Rice

ENTE NAZIONALE RISI

IT
4 records

Hobart

Terminated

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DK
4 records

Brassica napus L. · Rapeseed

Advanta Semillas s.a.i.c

UA
4 records

Hymer

Active

Lolium x hybridum Hausskn. · Hybrid ryegrass

ILVO-PLANT 39

BE
4 records

J6676Z

Active

Zea mays L. · Maize

William Bourdoncle

UA
4 records

Horyzo

Active

Secale cereale L. · Rye

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
4 records

J1817Z

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

UA
4 records

Isa TD

Active

Glycine max (L.) Merr. · Soybean

MURESANU EUGENREZI RALUCAURDA ANCA CAMELIA

RO
4 records

Izabeta

Active

Zea mays L. · Maize

Goran Saratlic

GR
5 records

Nicotiana tabacum L. · Tobacco

Agroport-D, H

HU
4 records

Honey Heart

Terminated

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Seminis Vegetable Seeds

ES
3 records

Hoshi

Terminated

Glycine max (L.) Merr. · Soybean

MONSANTO TECHNOLOGY

IT
3 records

Isadora

Active

Solanum lycopersicum L. · Tomato

Hazera Genetics Ltd (IL)

FR
3 records

Isma

Active

Solanum lycopersicum L. · Tomato

Graines Voltz (FR)

BG
3 records

Isabel

Active

Phaseolus vulgaris L. · Common bean

HOLLAND SELECT

NL
3 records

Jump to page 154 258 308 348 368 458 462 617 771 925