Variety traits

Tolerance

Tolerance is the ability of a variety to maintain productivity and crop quality when exposed to pathogens or abiotic stresses. Unlike resistant varieties, tolerant plants are affected by infection but compensate for the damage without significant yield loss.

Mentioned in descriptions 20 866 varieties reference book.

Variety tolerance is the ability of a plant to withstand pathogen infection or the influence of abiotic factors, such as drought or salinity, without a significant decrease in productivity. In contrast to resistance, where the plant blocks the development of the pathogen, a tolerant variety becomes infected and bears signs of the disease, yet its physiological processes allow it to maintain a satisfactory yield level.

Tolerance assessment is conducted under disease pressure conditions by comparing the yield of varieties with the same degree of infection. When analyzing diseases, rating scales are used, where varieties with a high degree of infection but an insignificant drop in yield are classified as tolerant. Physiological indicators of resistance to abiotic stresses include data on germination, root system development, and the condition of the photosynthetic apparatus.

The complex trait of tolerance is expressed through the yield reduction coefficient: the lower the drop in productivity under strong factor impact, the higher the indicator. It is agronomically important that tolerant varieties act as latent carriers of pathogens, contributing to their accumulation in the field, which requires increased attention to phytosanitary monitoring even when plants appear healthy.

Sources10

Breakdown by crop

Maize tolerance 721 Sunflower tolerance 633 Maize tolerance 361 Tolerance — Sugar Beet 354 Tolerance — soft wheat 336 Tolerance in Lettuce 236 Tomato Tolerance 234 Cucumber tolerance 204 Rapeseed tolerance 168 Tolerance in White Cabbage 140 Pepper Tolerance 122 Barley tolerance 119 Tolerance — Soybean 117 Bean tolerance 81 Rapeseed tolerance 74 Potato tolerance 71 Rose tolerance 64 Zucchini Tolerance 61 Melon tolerance 61 Plum tolerance 58 Grapevine Tolerance 56 Peach tolerance 55 Pea tolerance 55 Triticale Tolerance 54

Found in these crops

Maize 718 Sunflower 670 Sugar beet 368 Bread wheat 342 Tomato 336 Maize 322 Cucumber 309 Lettuce 301 Rapeseed 190 Bell pepper 189 White cabbage 180 Perennial ryegrass 139

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.

Hector

Active

Solanum lycopersicum L. · Tomato

SAS HM Clause (FR)

BG FR HR PL SI SK

9 records

Lifine

Application submitted

Festuca rubra L. · Red fescue

EURO Grass

CZ DE DK EE LT UA

11 records

Fabiola

Active

Lolium perenne L. · Perennial ryegrass

DLF-Seeds A/S

AT DE DK HR NL PL

11 records

Fiorenza KWS

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

CZ FR HR HU IT LT

8 records

Estica

Active

Festuca rubra L. · Red fescue

INNOSEEDS| Innoseeds B.V.

CZ DE FR NL PL

10 records

KWS Apache CL

Active

Helianthus annuus L. · Sunflower

KWS SAAT SE, KWS Semena Bulgaria EOOD

BG HR IT RO SK UA

11 records

Cresir

Active

Glycine max (L.) Merr. · Soybean

Seifert, Robert P.

ES FR HR HU IT SK

13 records

Anderson

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

DK FR PL UA

11 records

Čačanska rana

Active

Prunus domestica L. · European plum

CZ HU NL PL SI SK

15 records

SY Diego CLP

Active

Helianthus annuus L. · Sunflower

Syngenta Participations,CH

ES HU IT RO UA

11 records

Santana

Active

Cucumis sativus L. · Cucumber

Syngenta Seeds B.V.

CZ HU NL PL SK

8 records

Surest

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

AT IT RO SK UA

12 records

Stromboli

Active

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

FR HR IT SK UA

13 records

Regina

Active

Cucumis sativus L. · Cucumber

SEMO a.s

BG CZ FR NL SK

8 records

SY Marten

Active

Brassica napus var. napus · Rapeseed

Syngenta Crop Protection,CH

CZ PL UA

9 records

PR38A79

Active

Zea mays L. · Maize

Todd Piper

AT BG HU SI UA

12 records

ST Rotterdam

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Strube GmbH Co.KG, Söllingen DE

BE CZ DE HU NL

8 records

Rhodunter 10

Active

Rhododendron L. · Azalea

WALTER PREIL

BE CZ DE DK PL

8 records

Manhattan

Active

Lolium perenne L. · Perennial ryegrass

The State University of New Jersey - Rutgers (US)

DE DK FR NL SE

11 records

Desperado

Active

Brassica napus var. napus · Rapeseed

Dieter Stelling

CZ DK FR PL UA

14 records

Galaxy

Active

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

SVS HOLLAND BV , NL

CZ NL PL SI SK

8 records

Goldrush

Active

Phaseolus vulgaris L. · Common bean

Seminis Vegetable Seeds

ES HR HU IT SI

8 records

Donna

Protection expired

Trifolium repens L. · White clover

IGER Institute of Grassland & Environmental Research (GB)

AT DE DK FR IE

10 records

DK Expower

Active

Brassica napus var. napus · Rapeseed

Monsanto Technology, USA

CZ DE DK FR HR

14 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.