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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.

Solar Flare

Active

Kniphofia Moench · Red hot poker

Hansen Hans A

3 records

Starshine

Active

Aster ageratoides Turcz.

Praktijkonderzoek Plant en Omgeving B.V.

3 records

Snap Daddy Yellow

Active

Antirrhinum majus L. · Snapdragon

Saul Robert|Atlanta, GA, US

3 records

Sofie

Active

Symphoricarpos Duham. · Snowberry

Hoekstra-Arisz Catharina Marie|Beverwijk, NL

3 records

S3ros

Active

Delosperma nubigenum (Schltr.) L. Bolus · Hardy yellow ice plant

NISHIKAWA KOICHIRO

3 records

Rosy Rocket

Active

Berberis thunbergii DC. · Japanese barberry

Michal Andrusiv

3 records

Robpwcrm

Active

Lantana camara L. · Lantana

Robert Jackson Roberson

3 records

Silver Ball

Active

Pittosporum tenuifolium Gaertn. · Kohuhu

Mark Fyfe^^^Rachelle Fyfe

3 records

Rum Punch

Active

Coreopsis L. · Tickseed

The Ivy Farm

3 records

Redshift

Active

Coreopsis L. · Tickseed

Probst Darrell R

3 records

SETZ0001

Active

Phedimus spurius (M. Bieb.) 't Hart · Two-row stonecrop

Syngenta Participations AG

3 records

Queen of Siam

Protection expired

Aglaonema Schott. · Chinese Evergreen

DR FRANK B. BROWN

3 records

PTSLCN

Application submitted

Pittosporum tenuifolium Gaertn. · Kohuhu

Leo Koelewyn, Coolwyn Nurseries Pty Ltd

3 records

Royal Raspberry

Active

Agastache Clayt. ex Gronov. · Giant hyssop

Hansen Hans A

3 records

Rose Marvel

Active

Salvia x sylvestris L. · Wood sage

Kievit Christa

4 records

Red Swing

Active

Salvia L. · Sage

Catherine Bernabe

3 records

Rengun

Active

Eucalyptus gunnii Hook. f. · Cider Gum

Renault Jean

4 records

Pink Sorbet

Active

Echinacea purpurea (L.) Moench · Purple coneflower

Blom Arie|3452 AR Vleuten, NL

3 records

Pink Lady

Active

Coreopsis L. · Tickseed

Korlipara Harini|Canby, OR, US

3 records

Purplepac

Active

hybrids between Prunus davidiana, Prunus dulcis and Prunus persica

Pinochet Jorge|Barcelona, ES

4 records

Purrsian Blue

Active

Nepeta x faassenii Bergmans ex Stearn · Faassen's catnip

Walters Gardens Inc

3 records

Pumpkin Pie

Active

Coreopsis L. · Tickseed

Korlipara Harini

3 records

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