Variety traits

Tolerance

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.

Sources10

Breakdown by crop

Maize tolerance 721 Sunflower tolerance 633 Maize tolerance 361 Tolerance — Sugar Beet 354 Tolerance — soft wheat 336 Tolerance in Lettuce 236 Tomato Tolerance 234 Cucumber tolerance 204 Rapeseed tolerance 168 Tolerance in White Cabbage 140 Pepper Tolerance 122 Barley tolerance 119 Tolerance — Soybean 117 Bean tolerance 81 Rapeseed tolerance 74 Potato tolerance 71 Rose tolerance 64 Zucchini Tolerance 61 Melon tolerance 61 Plum tolerance 58 Grapevine Tolerance 56 Peach tolerance 55 Pea tolerance 55 Triticale Tolerance 54

Found in these crops

Maize 718 Sunflower 670 Sugar beet 368 Bread wheat 342 Tomato 336 Maize 322 Cucumber 309 Lettuce 301 Rapeseed 190 Bell pepper 189 White cabbage 180 Perennial ryegrass 139

Varieties that feature this in their description

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.

Spiros F1

Active

Spinacia oleracea L. · Spinach

Ger Bimsdeboer

1 record

Stanley ISK

Active

Prunus domestica L. · European plum

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

1 record

Sława KWS

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

1 record

Śleszyn

Active

Picea pungens Engelm. · Blue spruce

Szkółka Drzew i Krzewów Ozdobnych Bartłomiej Ważyński

1 record

Smart Telva

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

1 record

Sir F1

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Robert Prieur

1 record

Sirena (MS)

Active

Helianthus annuus L. · Sunflower

David Morgford

2 records

SKOFTI

Withdrawn

Poa pratensis L. · Kentucky bluegrass

P.H.PETERSEN SAATZUCHT LUNDSGAARD

2 records

Skif F1

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

Robert Priieur

2 records

Sierra Blanka F1/Serra Blanka F1

Active

Allium cepa L. · Onion

Hari Besels

1 record

SM Kwant

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

1 record

Silistrenska kompotna

Terminated

Prunus armeniaca L. · Apricot

Nikola A. Stefanov, Nikola B. Nikolov

1 record

Seyval

Active

Vitis L. · Grapevine

INCONNU (FR)

1 record

Sigma

Terminated

Cucumis melo L. · Melon

Tezier SA (FR)

1 record

Shoreline

Application submitted

Festuca rubra L. · Red fescue

SEED RESEARCH OF OREGON

1 record

Sharzh F1

Protection expired

Cucumis sativus L. · Cucumber

Suvorova Tetiana IAkovlivna, Khomchenko Nina Mykolaivna, Shevkunov Valerii Mykolaiovych, Shamshyna Hanna Viacheslavivna, Portiankin Oleksii IEvhenovych, Havrysh Serhii Fedorovych,

2 records

Sierra Blanca F1

Active

Allium cepa L. · Onion

Hari Besels

1 record

SC3120

Active

Zea mays L. · Maize

Syngenta Crop Protection AG

1 record

SB1860

Withdrawn

Zea mays L. · Maize

Syngenta Crop Protection AG

1 record

Segur

Withdrawn

Cucumis sativus L. · Cucumber

Asgrow Seed Company (US)/Bruinsma (NL)

1 record

Selma F1 / Selma F1

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

Nort Khadlier

1 record

SD 441

Terminated

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

Stat South Dakota (US)

1 record

Segura

Application submitted

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

1 record

Sedona F1

Active

Allium cepa L. · Onion

Ger Bimsdeboer

1 record

1 2 ... 264 265 266 267 268 269 270 ... 332 333 Next

Jump to page 48 95 143 167 190 238 257 277 285

Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

All terms →

Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.