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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.

LM400

Active

Lomandra longifolia · Spiny-head mat-rush

Todd Layt, Todd Layt

3 records

Rosa L. · Rose

SNC Meilland & Cie

3 records

NK2021

Active

Hosta Tratt. · Hosta

NINJA KRAMER

3 records

Begonia x hiemalis Fotsch · Elatior Begonia

LUBBERTUS H.KOPPE

3 records

Calibrachoa Cerv. · Calibrachoa

Nils Klemm

3 records

Dianthus caryophyllus L. · Carnation

MARTIN GLAWE|NILS KLEMM

3 records

Rosa L. · Rose

Wilhelm-Alexander Kordes/ Tim-Herman Kordes/ John-Vincent Kordes

3 records

Korlidamo

Terminated

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Justine

Active

Hosta Tratt. · Hosta

van den Top Hendrik Jan|3771 PC Barneveld, NL

3 records

Nemesia Vent. · Nemesia

Silvia Hofmann^^^HENDRIK THEOBALD

3 records

Nemesia Vent. · Nemesia

Silvia Hofmann^^^HENDRIK THEOBALD

3 records

Nemesia Vent. · Nemesia

Silvia Hofmann

3 records

Calibrachoa Cerv. · Calibrachoa

Birgit Hofmann

3 records

Imara

Active

Malus domestica (Suckow) Borkh. · Apple

De Wit Inge / Eyssen Hendrik / Keulemans Johan / Nicolai Johan / Pauwels Els / Laer Paul Van

4 records

Begonia L. · Begonia

Silvia Hofmann

3 records

Ingrid

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Knud Jepsen

3 records

Euphorbia L. · Spurge

Innovaplant Zierpflanzen GmbH & Co KG

3 records

Calibrachoa Cerv. · Calibrachoa

Birgit Hofmann

3 records

G 210

Active

Malus Mill. · Apple

Plants for Europe Ltd

4 records

Impatiens walleriana Hook. f. · Busy Lizzie

Jonkers Johanna B.|Andijk, NL

3 records

Finette

Application submitted

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Flevo Berry Holding B.V.

3 records

Echinacea Moench. · Coneflower

Korlipara Harini

4 records

Granbur

Active

Gaillardia aristata Pursh · Blanketflower

Syngenta Seeds B.V.

3 records

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