Variety traits
Drought tolerance of a variety is the ability of a plant to maintain productivity and crop quality under conditions of moisture deficit and dry air. This property is based on mechanisms of drought escape, water conservation, and physiological tissue endurance.
Mentioned in descriptions 12 470 varieties reference book.
Drought tolerance is expressed as the ability of a variety to maintain stable productivity during soil moisture shortages. The trait is manifested through biological drought escape in early-maturing forms, anatomical and morphological adaptations such as waxy bloom and leaf pubescence, as well as the physiological resistance of cellular systems to dehydration and high temperatures.
Tolerance assessment in the variety testing system is conducted by field comparison with a standard during adverse years, where the variety is rated in scores based on yield levels. Additionally, visual symptoms are taken into account, including leaf rolling, plant height, and the retention of green color (stay-green), as well as laboratory indicators of tissue water-holding capacity and proline accumulation.
The effectiveness of a variety depends on its plasticity and ability to pass through critical development phases, such as jointing or heading, without critical loss of productivity. Drought tolerance often correlates with overall adaptability to other stress factors; therefore, when selecting, it is important to consider the homeostatic nature of the variety and the results of trials in specific agro-climatic zones.
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.
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION US
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Zea mays L. · Maize
Thierry Loisel
Festuca arundinacea Schreb. · Tall fescue
Barenbrug Holland BV (NL)
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Zea mays L. · Maize
Revol Benoit
Zea mays L. · Maize
Zhan Beibeder
x Festulolium Aschers. et Graebn. · Festulolium
DLF Seeds A/S
Triticum aestivum L. · Bread wheat
Bedoe Zoltan / Lang Laszlo / Szunics Laszlo / Balla Laszlo / Vida Gyula / Szunics Laszlone / Karsai Ildiko / Veisz Otto
Helianthus annuus L. · Sunflower
Verneuil Recherche (FR)
Helianthus annuus L. · Sunflower
Nidera S.A.
Lolium perenne L. · Perennial ryegrass
Poznanska Hodowla Roslin Sp. z o.o
Zea mays L. · Maize
Olivier Vimont
Brassica napus var. napus · Rapeseed
KWS SAAT SE & CO.KGAA
Helianthus annuus L. · Sunflower
Nicolae Boaghe, Elena Andreea Teodorescu
Helianthus annuus L. · Sunflower
Jean Pierre Dufourcq
Zea mays L. · Maize
Pyter Konzol
Trifolium hybridum L. · Alsike clover
DLF Seeds A/S
Brassica napus L. · Rapeseed
Dieter Stelling
Helianthus annuus L. · Sunflower
Tankszon Shandor, Medovarski Zoltan, Selumne Frank Zilvia, Au Zoltan, Duruhzne Oksko Edit, Nahin Katni Rozalia,
Helianthus annuus L. · Sunflower
Limagrain Europe SA (FR)
Hordeum vulgare L. · Barley
Boreal Plant Breeding
Vaccinium corymbosum L. · Highbush blueberry
Szkola Glowna Gospodarstwa Wiejskiego
Festuca arundinacea Schreb. · Tall fescue
S.A.CARNEAU