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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.

Zea mays L. · Maize

MAS SEEDS

IT
1 record

MIP Korsar

Application submitted

Hordeum vulgare L. · Barley

DEMYDOV OLEKSANDR, HUDZENKO VOLODYMYR, KOCHMARSKYI VALENTYN, POLISCHUK TETIANA, BOBYR OLHA

UA
2 records

MGM247012

Withdrawn

Zea mays L. · Maize

MAS SEEDS

IT
1 record

Mufaxa

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Mv Koma

Terminated

Triticum aestivum L. · Bread wheat

Balla Laszlo / Bedoe Zoltan / Lang Laszlo / Szunics Laszlo / Szunics Laszlone

HU
1 record

Merzling

Active

Vitis vinifera L. · Common grape vine

Dr. Johannes Zimmermann

DE
2 records

MT103

Application submitted

Vitis vinifera L. · Common grape vine

José Ignacio Fernández Fernández/Leonor Ruiz García/María Rocío Gil Muñoz/Diego José Fernández /María José Giménez Bañón/Juan Daniel Moreno Olivares/Celia Martínez Mora/Juan Antonio Bleda Sánchez/Adrián Martínez Cutillas

ES
1 record

MS 580

Terminated

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Kulish Olha IUriivna, Breus Oksana Serhiivna, Parii IUliia Oleksandrivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,

UA
2 records

MS 49 VS

Terminated

Zea mays L. · Maize

Makarenko Ivan Titovych, Kiiko Oleksandra Makarivna, Borysov Viktor Mykolaiovych,

UA
4 records

Zea mays L. · Maize

Borysov Viktor Mykolaiovych

UA
2 records

MS 165 MV

Terminated

Zea mays L. · Maize

Hontarovs`kyi V'iacheslav Opanasovych

UA
4 records

Merkur

Withdrawn

Humulus lupulus L. · Common hop

Bayerische Landesanstalt (DE)

SI
1 record

Mouna F1

Active

Solanum lycopersicum L. · Tomato

Mercier Jean-Claude

UA
1 record

Mickey

Terminated

Brassica napus L. · Rapeseed

SAATZUCHT DONAU GES.M.B.H. & COKG

AT
1 record

Merefianskyi

Terminated

Lactuca sativa L. var. crispa L. · Leaf lettuce

KORNIIENKO SERHII, KONDRATENKO SERHII, HOROVA TAMARA, HART OLHA, KRUTKO ROMAN, MYTENKO INNA

UA
1 record

Mura

Terminated

Helianthus annuus L. · Sunflower

M. Hristov, Y. Simeonova-Stoyanova, P. Petrov, V. Velkov, V. Encheva, P. Shindrova, A. Piskov, D. Petakov, L. Nikolova, N. Nenov, V. Venkov

BG
1 record

Morozko

Terminated

Panicum virgatum L. · Switchgrass

Honcharuk Hryhorii Semenovych, Herasemenko Oleksandr Vasyl`ovych, Hontarenko Svitlana Mykolaivna, Humentyk Mykhailo IAroslavovych, Kurylo Vasyl` Leonidovych, Roik Mykola Volodymyrovych,

UA
2 records

Milenium

Terminated

Nicotiana tabacum L. · Tobacco

Instytut Uprawy Nawożenia i Gleboznawstwa Państwowy Instytut Badawczy

PL
2 records

MILAVA

Withdrawn

Chrysanthemum indicum L. · Indian chrysanthemum

MIDDELBURG (NL)

FR
1 record

Melon

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

MH7012

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

DLF BEET SEED A.P.S.

ES
1 record

Milan blanc

Terminated

Brassica rapa L. var. rapa (L.) Thell. · Turnip

Domaine Public (FR)

FR
1 record

Solanum lycopersicum L. · Tomato

J. Hoogstarten

UA
2 records

Zea mays L. · Maize

Perfektseed s.r.o., Komárno SK

HU
1 record

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