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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

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.

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.S

FR
4 records

LG58634

Active

Helianthus annuus L. · Sunflower

LIMAGRAIN EUROPE S.A.

IT
3 records

LG31545

Active

Zea mays L. · Maize

Limagrain Europe, F

IT
6 records

Triticum aestivum L. · Bread wheat

KWS Momont Recherche Sarl

IT
5 records

Lider

Active

Cucumis sativus L. · Cucumber

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
5 records

Leo

Active

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

SEMILLAS FITO, S.A.

ES
3 records

Lestren

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Seeds B.V.

NL
3 records

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.S

DE
6 records

Krajan

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KUTNOWSKA HODOWLA BURAKA CUKROWEGO Sp.z o.o.

PL
4 records

Larabel

Active

Lactuca sativa L. · Lettuce

BEJO ZADEN

NL
9 records

Korsata

Active

Rosa L. · Rose

SCHMIDT KARSTEN

DE
3 records

Lake

Active

Capsicum annuum L. · Bell pepper

ESASEM, I

ES
3 records

La Diva

Active

Cucumis sativus L. · Cucumber

Johnny's Selected Seeds

NL
3 records

Triticum aestivum L. · Bread wheat

KWS MOMONT RECHERCHE SARL, FR

FR
4 records

Kuroda

Active

Daucus carota L. · Carrot

SEMINIS VEGETABLE SEED IB

ES
3 records

KM Gyöngy

Application submitted

Medicago sativa L. · Alfalfa

KRF Gyöngyös "Fleischmann Rudolf" Kutatóintézet, Kompolt

HU
3 records

Kiden

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Kibrille

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Kruiz

Active

Helianthus annuus L. · Sunflower

Surovikin Volodymyr Mykolaiovych, Sliusar Emiliia L`vivna, Soldatov Karm Ivanovych, Detsina Oleksandr Oleksandrovych, Ilatovs`kyi Volodymyr Platonovych, Borodin Serhii Heorhiiovych,

UA
4 records

Kreola

Active

Solanum melongena L. · Eggplant

Zolsegmag Termelo

HU
3 records

Khaya

Terminated

Lolium perenne L. · Perennial ryegrass

Saatzucht Steinach GmbH & Co KG

DE
4 records

Cucumis sativus L. · Cucumber

Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa Spółka Akcyjna w upadłości likwidacyjnej \Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
4 records

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

Syngenta Crop Protection AG

NL
5 records

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