V15L105
ActiveIpomoea batatas (L.) Lam. · Sweet potato
Vineland Research and Innovation Centre
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.
Breakdown by crop
Maize maturity group
5 061
Tomato maturity group
2 293
Sunflower maturity group
1 708
Maturity group — soft wheat
1 598
Maize maturity group
1 583
Grape Ripening Period
1 407
Potato maturity group
1 217
Barley Maturity Group
1 086
Pepper maturity groups
1 065
Apple Ripening Groups
890
Bean maturity group
807
Peach Maturity Group
794
Pea Maturity Group
779
Maturity Group — Soybean
777
Rapeseed maturity group
739
Maturity group — sugar beet
700
Cucumber Maturity Groups
670
Lettuce maturity group
589
Grape Ripening Period
579
Maturity group — Perennial ryegrass
564
Sweet Cherry Ripening Period
507
Carrot Maturity Groups
415
Melon maturity groups
410
Maturity group — white cabbage
384
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.
Western Dawn
ActiveMalus domestica (Suckow) Borkh. · Apple
Western Australian Agriculture Authority (WAAA)
Teselega
ActiveAlstroemeria L. · Alstroemeria
Marcus W. Kuiper
Spring Lady
ActivePrunus persica (L.) Batsch · Peach
Springhigh
ActiveVaccinium corymbosum L. · Highbush blueberry
PAUL M. LYRENE
Sunectwentyone
ActivePrunus persica (L.) Batsch · Peach
Terry A. Bacon^^^David W. Cain
Teak Gold
ActivePrunus salicina Lindl. · Japanese plum
Yates, R. A.|deceased, late of Capel, Australia, by Neal William Yates, legal representative
Sugraforty
ActiveVitis vinifera L. · Common grape vine
Terry A. Bacon, Michael Streim.
Phalboqod
ActivePhalaenopsis Bl. · Moth Orchid
NICOLAAS ARNOLDUS MARIA VAN ROSMALEN
Pinot Prince
ActiveMalus domestica (Suckow) Borkh. · Apple
V.O.F. Gebr. Van Beuningen, Netherlands
Pluto
ActiveVitis L. · Grapevine
Stargrow Cultivar Development Pty Ltd
Ph17bt
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PHCCW
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PH6HR
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Pachafmag
ActivePelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium
Martin Geibel c/o Elsner pac Jungpflanzen GbR
PH3RC
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Ph2jr
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PH1M3D
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PER1303
ActiveEuphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
RUTH KOBAYASHI
Nirpverbic
ActiveRosa L. · Rose
HANS JURGEN EVERS (T)
Pachafred
ActivePelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium
Martin Geibel c/o Elsner pac Jungpflanzen GbR
Mara Seedless
ActiveVitis vinifera L. · Common grape vine
Maranto Joseph|Bakersfield, CA, US
KONGALAXY
ActiveAlstroemeria L. · Alstroemeria
Könst Breeding B.V.
Kanaemaru
ActiveCamellia sinensis (L.) Kuntze · Tea
Tetsuji Saba, Atsushi Nesumi, Akiko Matsunaga, Katsuyuki Yoshida, Akiko Ogino, Fumiya Taniguchi, Junichi Tanaka, Hiroshi Yorozuya, Shuya Yamshita, National Agriculture and Food Research Organization