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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

Found in these crops

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.

Dallas

Active

Capsicum annuum L. · Bell pepper

NL
4 records

FARGA

Active

Olea europaea L. · Olive

ES
6 records

Cucumis sativus L. · Cucumber

BG
4 records

ARBOSANA

Active

Olea europaea L. · Olive

ES
5 records

Helianthus annuus L. · Sunflower

RO UA
6 records

GK Szala

Active

Triticum aestivum L. · Bread wheat

HU
4 records

Triticum aestivum L. · Bread wheat

RO
5 records

Boema 1

Active

Triticum aestivum L. · Bread wheat

RO
5 records

Borowska

Active

Sinapis alba L. · White mustard

PL
4 records

MAS 123W

Application submitted

Zea mays L. · Maize

MAS SEEDS

AT IT SK
3 records

Janos

Protection expired

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

EE LT SK
3 records

SY Remco

Active

Zea mays L. · Maize

SYNGENTA Corp Protection AG

BE DE
4 records

Zea mays L. · Maize

Stephane Melkior

IT UA
4 records

Brassica napus L. · Rapeseed

LIMAGRAIN EUROPE

HU LT
3 records

Henry

Protection expired

Brassica napus L. · Rapeseed

SAATZUCHT DONAU GES.M.B.H. & COKG

AT HU UA
4 records

Sorghum bicolor (L.) Moench · Sorghum

KWS Saat SE, Einbeck DE

HU IT
4 records

Ivana

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Pioneer Hi-Bred International Inc (US)

ES FR
3 records

Zea mays L. · Maize

Pierre CAROLO

DE UA
5 records

PS306

Application submitted

Brassica napus L. · Rapeseed

PIONEER OVERSEAS CORPORATION

HU LT UA
4 records

P9429

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

AT IT
4 records

NKTerra

Terminated

Zea mays L. · Maize

SYNGENTA SEEDS AG, CH

BG IT
3 records

Tiberius

Active

Zea mays L. · Maize

Ludwig Feldmeier

IT UA
3 records

Zea mays L. · Maize

Syngenta Crop Protection AG

IT UA
4 records

Zea mays L. · Maize

Syngenta participation AG

IT UA
4 records

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