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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.

JOBIRD

Active

Lavatera L. · Tree mallow

Hyfryd Plants

2 records

Julia

Active

Hybrids between Echinacea purpurea (L.) Moench and Echinacea paradoxa (Norton) Britton

ARIE BLOM

2 records

FPW07

Active

Lycium barbarum L. · Goji berry

Wang Wencai

2 records

Fox 16

Active

Pyrus communis L. · European pear

UNIVERSITA' DEGLI STUDI DI BOLOGNA

3 records

Josalig 1

Active

Ligustrum ovalifolium Hassk.

Josa Selecties B.V.

2 records

Fislet

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

FLORA-NOVA Pflanzen GmbH

2 records

HANSOTI43

Active

Sansevieria trifasciata Prain · Snake plant

Hansoti Ashish

2 records

Inspiration

Active

Berberis thunbergii DC. · Japanese barberry

Michal Andrusiv

2 records

GRN1

Active

Vitis rotundifolia x Vitis rupestris

Andrew Walker, Harold P. Olmo

2 records

IFECSSWP

Active

Echinacea Moench. · Coneflower

Spil Glenn

2 records

Giselle

Active

Chamelaucium uncinatum Schauer · Geraldton wax

Botanic Gardens and Parks Authority

2 records

Gold Nugget

Application submitted

Verbascum L. · Mullein

Korlipara Harini|Canby, OR, US

2 records

Howell TC7

Application submitted

Malus domestica (Suckow) Borkh. · Apple

WILLIAM EDWARD HOWEL

2 records

ET CRX 904

Active

Carex L. · Sedge

ETERNAL PLANT BOYL B.V.

2 records

Ice Queen

Active

Chamelaucium uncinatum Schauer · Geraldton wax

Botanic Gardens and Parks Authority

2 records

Felice Light Blue

Active

Lavandula angustifolia Mill. · English lavender

P.P.M. van der Salm Holding B.V., L. Koning Beheer B.V.

2 records

G16223

Active

Rudbeckia hirta L. · Black-eyed Susan

PALMER IRENE E.

2 records

Heatwave Glimmer

Active

Salvia xjamensis J. Crompton · Jame sage

Plant Growers Australia Pty Ltd

2 records

FLOPHFABDC

Active

Phlox subulata L. · Creeping phlox

Florensis B.V.

2 records

HANSOTI22

Active

Sansevieria trifasciata Prain · Snake plant

Hansoti Ashish

3 records

Heartbeat

Active

Papaver L. · Poppy

DeWelt James Peter|Atascadero, CA, US

2 records

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