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Variety traits

Drought tolerance

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.

Sources10

Breakdown by crop

Drought tolerance of maize 133 Drought Tolerance of Grapevine 122 Drought tolerance of sunflower 75 Drought tolerance of potato 53 Drought resistance — common wheat 46 Drought Tolerance of Grapevine 43 Drought tolerance — tall fescue 43 Drought tolerance of maize 41 Drought tolerance of olive 33 Drought tolerance of roses 32 Drought tolerance — perennial ryegrass 27 Drought tolerance of barley 25 Drought resistance — durum wheat 21 Drought Tolerance — Red Fescue 21 Drought tolerance — Echinacea (hybrids) 21 Drought tolerance of alfalfa 20 Drought tolerance of common bean 16 Drought tolerance — Lavandula stoechas 16 Drought tolerance of Echinacea 16 Drought tolerance of Coreopsis 16 Drought tolerance — Echinacea purpurea 14 Drought tolerance of Sedum 13 Drought tolerance of pear 13 Drought Tolerance — Strawberry 13

Found in these crops

Maize 642 Sunflower 393 Bread wheat 302 Maize 227 Grapevine 212 Potato 148 Tall fescue 144 Barley 113 Rose 89 Common grape vine 87 Red fescue 82 Rapeseed 77

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.

Naomie

Active

Hordeum vulgare L. · Barley

Saaten Union Recherche (FR)

DE EE FR LT LV UA
15 records

ES Polaris CL

Active

Helianthus annuus L. · Sunflower

Euralis Semences

BG ES IT RO UA
12 records

PT264

Active

Brassica napus var. napus · Rapeseed

PRUVOT JEAN-CLAUDE

FR HR PL UA
14 records

Promiso

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Lantmannen SW Seed BV (NL)

AT CZ DE FR LT PL
11 records

Rodima

Active

Brassica oleracea L. (Red Cabbage Group) · Red cabbage

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

CZ DE HU PL SK
9 records

P64LP130

Active

Helianthus annuus L. · Sunflower

Sadik El Sayed

ES RO UA
16 records

Adalina

Active

Hordeum vulgare L. · Barley

Saatzucht Donau, A

AT CZ HU UA
12 records

Sumatra

Active

Helianthus annuus L. · Sunflower

Syngenta Participations AG| CH

AT IT RO UA
9 records

LG Antigua

Active

Brassica napus L. · Rapeseed

Reinhard Hemker

AT BG HU LT RO SK +1
10 records

DK Impression CL

Active

Brassica napus L. · Rapeseed

MONSANTO TECHNOLOGY

BG EE HU LT RO SK +1
9 records

Dariot

Active

Brassica napus var. napus · Rapeseed

Monsanto International Sarl (CH)/Deutsche Saatveredelung AG - DSV (DE)

CZ DK FR IE
15 records

Umberto KWS

Active

Brassica napus L. · Rapeseed

KWS SAAT SE & CO.KGAA

AT BG HU LT LV RO +1
8 records

Trezzor

Active

Brassica napus var. napus · Rapeseed

Ragt, F

CZ DK FR PL
10 records

Sherpa

Active

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans Georg Lembke KG,DE

AT BG EE HU LT LV +2
9 records

Ramona

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

BG DE ES FR GR HR +1
8 records

Gordon KWS

Active

Brassica napus var. napus · Rapeseed

KWS, D

CZ FR UA
12 records

LG Optimist

Active

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

BE EE NL PL SK UA
12 records

LG31380

Active

Zea mays L. · Maize

Limagrain Europe, F

AT BG IT RO SK UA
13 records

SY Talisman

Active

Zea mays L. · Maize

Syngenta UK Ltd

AT DE SK UA
9 records

Ridu

Active

Festuca trachyphylla (Hack.) Hack. · Hard fescue

DLF Seeds A/S

CZ DK EE LT SE SK
10 records

Lavina

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

DE GR HR HU IT UA
8 records

Lifine

Application submitted

Festuca rubra L. · Red fescue

EURO Grass

CZ DE DK EE LT UA
11 records

Corine

Active

Solanum tuberosum L. · Potato

WOLF & WOLF B.V.

BE DE FR IE LU NL
10 records

SY Diego CLP

Active

Helianthus annuus L. · Sunflower

Syngenta Participations,CH

ES HU IT RO UA
11 records

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