Variety traits
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.
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.
Solanum lycopersicum L. · Tomato
Monsanto Vegetable IP Management B.V.
Lactuca sativa L. · Lettuce
NUNHEMS ZADEN B.V.
Helianthus annuus L. · Sunflower
SYNGENTA FRANCE S.A.S.
Allium porrum L. · Leek
VEGETABLE MONSANTO B.V.
Triticum aestivum L. · Bread wheat
Syngenta Participations AG| CH
Cucurbita pepo L. · Field pumpkin
SAKATA SEED AMERICA INC US
Cucumis sativus L. · Cucumber
Francisco Palomares
Zea mays L. · Maize
Syngenta Participations,CH
Triticum aestivum L. · Bread wheat
Saaten Union Recherche (FR)
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Hazera Seeds B.V.
Festuca arundinacea Schreb. · Tall fescue
JACKLIN SEED
Capsicum annuum L. · Bell pepper
Monsanto Vegetable, NL
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderhave NV
Humulus lupulus L. · Common hop
Slovenian Institute of Hop Research and Brewing
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Zoldsegtermesztesi Kutato Intezet, H
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Hordeum vulgare L. · Barley
Poljoprivredni Institut Osijek, HR
Solanum lycopersicum L. · Tomato
PRIDNESTROVSKIJ NIISX
Cucumis sativus L. · Cucumber
GAVRISh SERGEJ FEDOROVICh / PORTYaNKIN ALEKSEJ EVGEN'EVICh / ShAMShINA ANNA VYaChESLAVOVNA / ShEVKUNOV VALERIJ NIKOLAEVICh / HOMChENKO NINA NIKOLAEVNA / SUROVOVA TAT'YaNA YaKOVLEVNA / PLUZhNIK IVAN SERGEEVICh
Lactuca sativa L. · Lettuce
Syngenta Seeds B.V.
Hordeum vulgare L. · Barley
Apsovsementi S.p.A., CREA-GB
Cichorium endivia L. · Endive
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Brassica oleracea L. (Broccoli Group) · Broccoli
MONSANTO VEGETABLE IP MANAGEMENT B.V.