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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.

Imidzh

Active

Hordeum vulgare L. · Barley

Dvors`ka Svitlana Volodymyrivna, Buniak Nataliia Mykolaivna, Sardak Mariia Ivanivna, Sardak Mykola Oleksiiovych,

UA
2 records

KA 39

Active

Zea mays L. · Maize

Kozarchuk Andrii Petrovych

UA
2 records

INX 1577

Active

Solanum lycopersicum L. · Tomato

Khaled Kazzaz

UA
1 record

Solanum tuberosum L. · Potato

Zelia Aureliia Heorhiivna, Kozun` Ihor Ivanovych, Tymko Liudmyla Volodymyrivna, Abdurahimova Tamara Volodymyrivna, Andriienko Tetiana Mykhailivna, Pysarenko Nataliia Vasylivna, Lysak Olena Andriivna, Tymko Mykola Hryhorovych, Sydorchuk Vasyl` Ivanovych,

UA
2 records

ITURRIETA

Terminated

Solanum tuberosum L. · Potato

INIA-OTRI

ES
1 record

IK 1241 VSVM

Terminated

Zea mays L. · Maize

Ivakhnenko Oleksandr Mykytovych, Maniatina Liudmyla Oleksandrivna, Kuprichenkova Tetiana Hryhorivna, Bielikov IEvhen Illich, Aldoshyn Anatolii Vasylovych,

UA
2 records

ISS264D

Terminated

Brassica napus var. napus · Rapeseed

Jean-Pserre Despeghel

UA
2 records

IS-PRO-521

Application submitted

Helianthus annuus L. · Sunflower

Tovarystvo z obmezhenoiu vidpovidalnistiu «IEvrosem»

UA
2 records

Gossypium hirsutum L. · Upland cotton

HAZERA GENETICS

ES
1 record

Intehral

Terminated

Helianthus annuus L. · Sunflower

Borovs`ka Iryna IUriivna, Petrenkova Vira Pavlivna, Shepilov Borys Petrovych, Satarov Oleksandr Zainulovych, Syvenko Oleksandr Anatoliiovych, Kuzmyshena Nadiia Viktorivna, Veselyi Vitalii Oleksandrovych, Syvenko Valentyna Ivanivna, Kolomatska Valeriia Pav

UA
2 records

K1FOA09

Terminated

Brassica napus var. napus · Rapeseed

Tarasova Halyna Arnoldivna, Lisniak Hanna Danylivna, Komarova Iryna Borysivna,

UA
2 records

INRA 450

Terminated

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

INRA 200

Protection expired

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

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
2 records

Ice Celtic

Withdrawn

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
2 records

Inka

Active

Sanvitalia Lam. · Creeping Zinnia

Max Leinert / Uwe Leinert

DE
1 record

IS 1510

Active

Solanum lycopersicum L. · Tomato

Tovarystvo z obmezhenoiu vidpovidalnistiu "SPARK SIDZ"

UA
2 records

Irvel

Terminated

Phaseolus vulgaris L. · Common bean

Vilmorin SA (FR)

FR
2 records

Irenka

Withdrawn

Festuca pratensis Huds. · Meadow fescue

Euro Grass B.V.

PL
2 records

Joanna

Terminated

Tulipa L. · Tulip

POLAN Hodowla i Nasiennictwo Ogrodnicze Gdańsk-Wieniec sp. z o.o.

PL
1 record

INX 1400

Active

Cucurbita pepo L. · Field pumpkin

Khaled Kazzaz

UA
1 record

JORAYCA

Terminated

Malus domestica (Suckow) Borkh. · Apple

BILSEN MARC & RIK*

BE
1 record

Imran

Terminated

Solanum lycopersicum L. · Tomato

Kees Konst

UA
2 records

Irat 348

Protection expired

Oryza sativa L. · Rice

I.R.A.T. (FR)

FR
1 record

Hyfilla

Withdrawn

Hordeum vulgare L. · Barley

Saatzucht Donau GesmbH& CoKG, Probstdorf (AT)

HR
1 record

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