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

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.

West Green

Active

Lolium perenne L. · Perennial ryegrass

Blue Moon Farm

5 records

Turbo RZ

Active

Festuca arundinacea Schreb. · Tall fescue

Cascade International Seed Company

5 records

Veteran

Active

Malus domestica (Suckow) Borkh. · Apple

VNII SELEKCZII PLODOVYX KULTUR

6 records

Toro

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

5 records

Trophy

Active

Trifolium repens L. · White clover

Grasslanz Technology Limited (NZ)

4 records

Tirem

Active

Poa pratensis L. · Kentucky bluegrass

PURE SEED TESTING

4 records

TOP_RED

Active

Malus domestica (Suckow) Borkh. · Apple

9 records

Tigea

Active

Trifolium hybridum L. · Alsike clover

ROBERTO GUARNIERI

4 records

Trapez

Terminated

Triticum aestivum L. · Bread wheat

Saatzucht Josef Breun GdbR (DE)

5 records

Thor

Active

Festuca arundinacea Schreb. · Tall fescue

PEAK PLANTS GENETICS LLC

4 records

Tetraboom

Active

Lolium perenne L. · Perennial ryegrass

DLF SEEDS A/S

5 records

Tigri

Active

Trifolium alexandrinum L. · Egyptian clover

CENTRO DI RICERCA MIGLIORAMENTO GENETICO PIANTE AGRARIE S.R.L. C.M.G.P.A.

5 records

Tigershark

Active

Agrostis stolonifera L. · Creeping bentgrass

Novel AG

4 records

Temple

Active

Festuca arundinacea Schreb. · Tall fescue

Novel AG

4 records

Tasida

Active

Festuca rubra L. · Red fescue

DEUTSCHE SAATVEREDELUNG AG

6 records

Tetradry

Active

Lolium perenne L. · Perennial ryegrass

DLF Trifolium A-S, DK

6 records

Timbo

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

RAC Station federale de recherches agronomiques de Changins (CH)

7 records

Terek

Active

Glycine max (L.) Merr. · Soybean

Tymchenko Viktor Naumovych, Sonets` Viktor Andriiovych, Pylypchenko Andrii Vasylovych, Marc Ham, Andre Letourneau, Alain Letourneau,

7 records

Supersonic

Active

Festuca arundinacea Schreb. · Tall fescue

Peak Plant Genetics, LLC & Rutgers, The State University of New Jersey

4 records

Sr 4700

Active

Lolium perenne L. · Perennial ryegrass

DLF Seeds A/S

4 records

Stalker

Active

Hordeum vulgare L. · Barley

Shevchenko IEvhen Petrovych, Tarasiuk Vasyl` Prokopovych, Kirdohlo IEvhen Kostiantynovych, Perekhrest Valentyna Arkhypivna, Netsvietaiev Volodymyr Pavlovych, Linchevskyi Anatolii Adamovych,

4 records

Sr 8700

Active

Festuca arundinacea Schreb. · Tall fescue

DLF Seeds A/S

4 records

Stingray

Active

Festuca arundinacea Schreb. · Tall fescue

Mountain View Seeds

5 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.