Kros 221 S steryl`na
ActiveZea mays L. · Maize
Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,
Variety traits
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.
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
Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,
Solanum lycopersicum L. · Tomato
H. Daskalov, H. Georgiev
Solanum lycopersicum L. · Tomato
WESTERN SEED ESPAÑA, S.A.
Avena sativa L. · Oat
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Zea mays L. subsp. mays (Maize Group) · Maize
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner
Monsanto Vegetable IP Management B.V.
Cucurbita pepo L. · Field pumpkin
Royal Sluis France Sarl (FR)
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Beta vulgaris Sugar Beet Group · Sugar beet
AGRA SOCIETA DEL SEME SRL
Capsicum annuum L. · Bell pepper
Apollo Seeds (USA)
Lactuca sativa L. · Lettuce
Nunhems B.V.
Pyrus communis L. · European pear
Burlak Volodymyr Oleksandrovych, Lysyi Ihor Vasyl`ovych,
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER OVERSEAS CORPORATION US
Lactuca sativa L. · Lettuce
SOUTHERN CROSS SEEDS PTY LTD
Pisum sativum L. · Pea
Syngenta Seeds B.V.
Raphanus sativus L. var. sativus · Radish
Tezier SA (FR)
Solanum tuberosum L. · Potato
Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie
Lactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
Solanum lycopersicum L. · Tomato
Vilmorin SA (FR)
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
Maize Research Institute - Kneja (BG)
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Maize Research Institute - Kneja (BG)
Zea mays L. · Maize
S. Valchinkov, K. Hristov, D. Ilchovska
Zea mays L. · Maize
Penka Hristova, Kiril Hristov, Marko Markov, Ivanka Ivanova, Lyuben Gerginov
Zea mays L. · Maize
FREIHERR VON MOREAU SAATZUCHT