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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

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.

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

ILVO-PLANT 39

BE
2 records

Meloso

Terminated

Cucumis melo L. · Melon

ASGROW SEED CO

ES
2 records

Melmia

Terminated

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

ILVO-PLANT 39

BE
2 records

Merkawa

Active

Solanum tuberosum L. · Potato

Hodowla Ziemniaka Zamarte sp. z o.o. - Grupa IHAR

PL
5 records

Mocello

Withdrawn

Lolium perenne L. · Perennial ryegrass

MOMMERSTEEG INTERNATIONAL

NL
2 records

Merino

Active

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

ES
3 records

Monix

Terminated

Zea mays L. · Maize

HOLDEN'S FOUNDATION SEEDS INC.

IT
2 records

Melcasso

Terminated

Lolium multiflorum Lam. · Italian ryegrass

DPT VOOR PLANTENGENETICA EN -VEREDELING - D.REHEUL /CEBECO SEEDS

BE
2 records

Mius

Active

Coriandrum sativum L. · Coriander

Kosarieva Raisa Fedorivna, Omel`chenko Ihor IEhorovych,

UA
2 records

MEF5096

Terminated

Zea mays L. · Maize

Williiam Bordoncle

UA
5 records

Moschus

Terminated

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
2 records

MEF3944

Terminated

Zea mays L. · Maize

MONSANTO TECHNOLOGY

UA
3 records

Morris

Active

Lactuca sativa L. · Lettuce

HAZERA GENETICS

ES
2 records

Phaseolus vulgaris L. · Common bean

RANALLI PAOLO

IT
3 records

Monarkh

Active

Glycine max (L.) Merr. · Soybean

Borovyk Vira Oleksandrivna, Osinii Mykola Leonidovych, Baranchuk Vitalii Anatoliiovych, Mykhailov Viktor Oleksandrovych, Klubuk Viktor Vasylovych,

UA
3 records

Misil

Terminated

Cucumis sativus L. · Cucumber

Nunhems B.V.

NL
4 records

Morel

Active

Prunus cerasus L. · Sour cherry

Information not available - Contact NL authorities

NL
3 records

Mona

Active

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

Graines Voltz S.A.

FR
3 records

Mirwa

Active

Oryza sativa L. · Rice

BILONI MASSIMO ITALY

BG
2 records

MIRRA

Terminated

Hordeum vulgare L. · Barley

W. von Borries-Eckendorf GmbH & Co.KG

DK
3 records

Merit

Active

Phaseolus vulgaris L. · Common bean

RANALLI PAOLO

IT
3 records

Meiclydov

Terminated

Rosa L. · Rose

ALAIN ANTOINE MEILLAND (FR)

FR
2 records

Monteli

Application submitted

Solanum lycopersicum L. · Tomato

HM.Clause S.A.S.

FR
2 records

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