Black Jack
ActiveZantedeschia Spreng. · Arum-lily
Zantedeschiagroep Trendflor V.O.F.
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.
Zantedeschia Spreng. · Arum-lily
Zantedeschiagroep Trendflor V.O.F.
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Roland Debeuf
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Roland Debeuf
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Yevralis Semans
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Limagrain advanta Nederland B.V.
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NORDSAAT SAATZUCHT
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Syngenta Crop Protection AG
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Syngenta Hadmersleben
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Sorghum bicolor (L.) Moench · Sorghum
Patrice Jeanson
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Pierre GARRAUD
Helianthus annuus L. · Sunflower
LIDEA FRANCE SAS
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Euralis Semences
Vicia faba L. · Broad bean
Saatzucht Gleisdorf
Helianthus annuus L. · Sunflower
Olivier Soulie
Helianthus annuus L. · Sunflower
Remy ROUANET
Helianthus annuus L. · Sunflower
Euralis Semences
Helianthus annuus L. · Sunflower
Syngenta participation AG
Triticum aestivum L. · Bread wheat
Lantmännen SW Seed Hadmersleben GmbH
Helianthus annuus L. · Sunflower
Tovarystvo z obmezhenoiu vidpovidalnistiu "NAUKOVO-VYROBNYChE PIDPRYIEMSTVO "UKRAHROSELEKT"
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Helianthus annuus L. · Sunflower
Pioneer Overseas Corporation, USA