Green Queen
ActiveLactuca sativa L. · Lettuce
PETOSEED CO
Variety traits
The vegetation period of a variety is the time from sowing or emergence to crop maturity, measured in days. This indicator determines the suitability of a variety for cultivation in specific agro-climatic conditions.
Mentioned in descriptions 20 935 varieties reference book.
The vegetation period of a variety is the time interval from sowing or emergence to the crop maturity phase. Unlike the meteorological growing season, which characterizes the time of year suitable for plant growth in a given area, this indicator is a biological characteristic of the variety and is measured in days.
The duration of the period depends on temperature, moisture availability, and nutrient supply, as well as on geographical latitude and day length. Photoperiod sensitivity and weather conditions in a particular season can significantly influence the rate of plant development, changing the number of days required for the variety to complete all growth phases.
During state variety testing, evaluation is carried out by observing the onset of phenological phases in test plots. Based on the data obtained, varieties are classified into maturity groups, such as early-maturing, mid-maturing, and late-maturing. This classification allows comparing the variety with a standard and determining its suitability for the climatic features of the growing zone.
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.
Lactuca sativa L. · Lettuce
PETOSEED CO
Allium cepa L. var. cepa · Onion
Hazera Seeds B.V.
Zea mays L. subsp. mays (Maize Group) · Maize
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Helianthus annuus L. · Sunflower
ASGROW SEED CO
Allium porrum L. · Leek
Bejo Zaden B.V.
Allium cepa L. var. cepa · Onion
Enza Zaden Beheer B.V.
Brassica napus L. · Rapeseed
Euralis Semences, Mondonville FR
Sorghum bicolor (L.) Moench · Sorghum
Barnane Bacsa Magdolna / Bacsa Pal
Hordeum vulgare L. · Barley
TOURNEUR
Zea mays L. · Maize
Euralis Semences
Allium cepa L. · Onion
HAZERA SEEDS B.V.
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
De Corato Sementi (IT)
Zea mays L. · Maize
CAUSSADE SEMENCES
Solanum lycopersicum L. · Tomato
Biogya SRL (IT)
Vitis vinifera L. · Common grape vine
Mincho Kondarev, Nedyalka Matevska
Allium cepa L. · Onion
Lydon Lewis
Allium cepa L. · Onion
SEMO a.s
Allium cepa L. · Onion
KARPIN'SKA STANISLAV
Hordeum vulgare L. · Barley
Syngenta Seeds Limited (GB)
Zea mays L. · Maize
Bc Institut, HR
Zea mays L. · Maize
KWS SAAT SE & CO.KGAA
Brassica napus L. · Rapeseed
Lantmännen SW Seed
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.