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.
Brassica oleracea L. (Cabbage Group) · Cabbage
Bejo Zaden BV (NL)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden B.V.
Capsicum annuum L. · Bell pepper
Piet de Vries
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Zuhair Bibi
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Eran Yossov
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderhave NV
Cucumis sativus L. · Cucumber
Manier Tohumculuk
Helianthus annuus L. · Sunflower
ADVANTA SEEDS B.V.
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Ger Beemsterboer
Fragaria L. · Strawberry
Fresh Forward Holding
Prunus domestica L. · European plum
Information not available - Contact NL authorities
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Solanum lycopersicum L. · Tomato
HAZERA GENETICS
Prunus dulcis (Mill.) D. A. Webb · Almond
CITA- ARAGON
Brassica oleracea L. (White Cabbage Group) · White cabbage
Gerard Balder
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Solanum lycopersicum L. · Tomato
Liza Piccinino
Picea A. Dietr. · Spruce
Karl Dienst
Brassica oleracea L. (Broccoli Group) · Broccoli
Ger Beemsterboer
Glycine max (L.) Merr. · Soybean
Holmberg, Sven A/Träff, Knut
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Vitis vinifera L. · Common grape vine
INCONNU (FR)