Harxampton
Protection expiredRosa L. · Rose
Phillp Harkness|Robert Harkness
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.
Rosa L. · Rose
Phillp Harkness|Robert Harkness
Tagetes L. · Marigold
SAHIN BEHEER B.V.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Horteve Breeding B.V.
Weigela florida (Bunge) A. DC. · Old fashioned weigela
Jeffrey W. Good
Cannabis sativa L. · Hemp
Thomas Duchene
Glycine max (L.) Merr. · Soybean
TURCOTTE PIERRE
Zantedeschia Spreng. · Arum-lily
Sande B.V.
Lactuca sativa L. · Lettuce
WASILEWSKA IRENA
Triticum aestivum L. · Bread wheat
Michael Winzeler
Clematis L. · Clematis
Poulsen Roser A/S^^^Raymond J. Evison Ltd.
Chrysanthemum L. · Chrysanthemum
Cornelis W. Dekker
Argyranthemum frutescens (L.) Sch. Bip. · Marguerite daisy
Thomas M. Cunneen
Chrysanthemum L. · Chrysanthemum
Cornelis W. Dekker
Brassica oleracea L. (Curly kale Group) · Curly kale
A L TOZER LTD
Rudbeckia hirta L. · Black-eyed Susan
Hartwig Bull
Lolium perenne L. · Perennial ryegrass
Agri-food and Biosciences Institute (AFBI Belfast)
Sempervivum arachnoideum L. · Cobweb houseleek
Gielis Jef
Zea mays L. · Maize
EURALIS SAATEN
Zea mays L. · Maize
Maize Research Institute Zemun Polje
Zea mays L. · Maize
MAS SEEDS
Brassica napus L. · Rapeseed
Lantmännen SW Seed
Zea mays L. · Maize
Pierre CAROLO
Brassica napus var. napus · Rapeseed
Zea mays L. · Maize
Syngenta participation AG