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.
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
Tobin Victor Tadeo
Beta vulgaris Sugar Beet Group · Sugar beet
DLF Beet Seed APS
Allium cepa L. · Onion
SAIS Sementi
Zea mays L. · Maize
ASGROW SEED COMPANY
Solanum tuberosum L. · Potato
Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie
Cucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Solanum lycopersicum L. · Tomato
Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa Spółka Akcyjna w upadłości likwidacyjnej \Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Phaseolus vulgaris L. · Common bean
Vegetal Recherches et Developpements-Vred (FR)
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
x Triticosecale Wittm. ex A. Camus · Triticale
S.I.S. SOCIETA' ITALIANA SEMENTI
Brassica oleracea L. (White Cabbage Group) · White cabbage
HM Clause Inc (US)
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Triticum aestivum L. · Bread wheat
Svetlozar Dragushev
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Pisum sativum L. · Pea
GSN Semences SAS (FR)
Oryza sativa L. · Rice
ENTE NAZIONALE RISI
Zea mays L. · Maize
Breus Oksana Serhiivna, Parii IUliia Oleksandrivna, Parii Fedir Mykytovych, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,
Cucumis sativus L. · Cucumber
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Cynara cardunculus L. · Cardoon
SOCIETA' AGRICOLA PROGETTO MERISTEMA SRL SOCIETA' UNIPERSONALE
Cucumis sativus L. · Cucumber
Syngenta Seeds B.V.
Cucumis sativus L. · Cucumber
Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa w Ozarowie Mazowieckim Spolka z o.o.
x Triticosecale Wittm. ex A. Camus · Triticale
SAATZUCHT STRENG-ENGELEN GMBH&CO. KG
Lactuca sativa L. · Lettuce
Vilmorin-Mikado SAS (FR)
Triticum aestivum L. · Bread wheat
Saatzucht Donau GmbH & Co.KG