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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.

ZL60A

Terminated

Helianthus annuus L. · Sunflower

Sereda Valentyna Oleksiivna, Shudria Larysa Ivanivna, Kutischeva Nataliia Mykolaivna,

UA
2 records

UR 26 SV

Active

Zea mays L. · Maize

Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,

UA
2 records

UR 10 S

Active

Zea mays L. · Maize

Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,

UA
2 records

Skh 809 A

Terminated

Helianthus annuus L. · Sunflower

Kuzmysheva Nadiia Viktorivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,

UA
2 records

RED DEER

Active

Capsicum annuum L. · Bell pepper

Javier Noguera Diaz

UA
1 record

M 223 SV

Terminated

Zea mays L. · Maize

Melnyk Taras Vitaliiovych, Moskalenko Volodymyr Fedorovych, Melnyk Vitalii IAkovych,

UA
2 records

Kros 401

Active

Zea mays L. · Maize

Borysov Viktor Mykolaiovych, Kostiuchenko Viktor Ivanovych

UA
4 records

Kh 1316 V

Terminated

Helianthus annuus L. · Sunflower

Leonova Nina Mykolaivna, Syvenko Valentyna Ivanivna, Kolomatska Valeriia Pavlivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,

UA
2 records

CSZ3012

Terminated

Brassica napus L. · Rapeseed

CAUSSADE SEMENCES

IT
1 record

AG 238 ACL

Terminated

Helianthus annuus L. · Sunflower

Maurizio Lottari

UA
2 records

Plodna

Protection expired

Triticum aestivum L. · Bread wheat

HR SI
3 records

Langedijker Früher

Protection expired

Brassica oleracea L. (Red Cabbage Group) · Red cabbage

HR SI
2 records

Holandski kasni

Protection expired

Brassica oleracea L. (Red Cabbage Group) · Red cabbage

HR SI
2 records

Feferoni zeleni

Protection expired

Capsicum annuum L. · Bell pepper

HR SI
2 records

Cudo Amerike

Protection expired

Pisum sativum L. · Pea

HR SI
2 records

Kapucinski

Protection expired

Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage

HR SI
2 records

Amager hochstrunkig

Protection expired

Brassica oleracea L. (White Cabbage Group) · White cabbage

HR SI
2 records

Pariser Torve

Protection expired

Daucus carota L. · Carrot

HR SI
2 records

Kopenhaški

Protection expired

Brassica oleracea L. (White Cabbage Group) · White cabbage

HR SI
2 records

IJskegel

Active

Raphanus sativus L. var. sativus · Radish

HR
2 records