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.
Rubus idaeus L. · Red raspberry
Washington State University Research Foundation (US)
Solanum tuberosum L. · Potato
Sjouke Brunia, Klazina Brunia-Winter, Marja van der Stelt-Brunia, Simon Brunia
Zea mays L. · Maize
MAS SEEDS
Raphanus sativus L. var. sativus · Radish
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Capsicum annuum L. · Bell pepper
Sativa coop (IT)
Brassica napus L. · Rapeseed
LIMAGRAIN EUROPE
Solanum lycopersicum L. · Tomato
Nashilevitz Shai
Zea mays L. · Maize
Hordeum vulgare L. · Barley
Poljoprivredni Institut Osijek, HR
Solanum lycopersicum L. · Tomato
FRITS HERLAAR
Zea mays L. · Maize
MAS SEEDS
Solanum lycopersicum L. · Tomato
DE RUITER SEEDS
Zea mays L. · Maize
MAS SEEDS
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat SE Finanzbuchhaltung
Brassica napus L. · Rapeseed
LIMAGRAIN EUROPE
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Europe s.a.
Festuca pratensis Huds. · Meadow fescue
Deutsche Saatveredelung AG - DSV (DE)
Solanum lycopersicum L. · Tomato
De Ruiter Seed C.V.
Brassica napus L. · Rapeseed
LIMAGRAIN EUROPE
Zea mays L. subsp. mays (Maize Group) · Maize
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Cucumis melo L. · Melon
Seminis Vegetable Seeds
Zea mays L. · Maize
KWS SAAT SE and CO KGAA
Solanum tuberosum L. · Potato
Hodowla Ziemniaka Zamarte sp. z o.o. - Grupa IHAR