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.
Nicotiana tabacum L. · Tobacco
Centralne Laboratorium Przemyslu Tytoniowego
Allium cepa L. var. cepa · Onion
Seminis Vegetable Seeds
Cucumis sativus L. · Cucumber
Renkas Svitlana Volodymyrivna, Yanchuk Nina Ivanivna, Prylipka Oleksii Vasyl`ovych, Kravchenko Vladyslav Andriiovych,
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Gerard Balder
Narcissus L. · Daffodil
Leenen en Zoon
Sorghum bicolor (L.) Moench · Sorghum
Advanta Seed International
Medicago sativa L. · Alfalfa
WATERMAN LOOMIS
Cucumis sativus L. · Cucumber
Domaine Public (FR)
Rosa L. · Rose
Łukasz Rojewski
Sorghum bicolor (L.) Moench · Sorghum
SPADA CARLO
Cucumis sativus L. · Cucumber
Mashtakov Mykola Oleksiiovych, Mashkova Hanna Kharlampiievna, Mashtakov Oleksii Oleksiiovych, Dubinin Serhii Volodymyrovych,
Spinacia oleracea L. · Spinach
Pop Vriend Research B.V.
Cucurbita pepo L. · Field pumpkin
Domaine Public (FR)
Corylus colurna L. · Turkish Hazel
Information not available - Contact NL authorities
Agrostis canina L. · Velvet bent
PROSEEDS MARKETING
Prunus dulcis (Mill.) D. A. Webb · Almond
IRTA (G. CATALUÑA)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Ocimum basilicum L. · Basil
Instytut Włókien Naturalnych i Roślin Zielarskich Państwowy Instytut Badawczy
Allium fistulosum L. · Welsh onion
Shinji iioka
Cucumis sativus L. · Cucumber
Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,
Prunus domestica L. · European plum
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Sergio Nieto
Fragaria L. · Strawberry
VINSON PETER
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds