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Variety traits

Herbicide tolerance

Herbicide tolerance is the genetically determined ability of a crop variety to withstand the phytotoxic effects of chemical agents, allowing for the application of herbicides to growing crops without suppressing the crop.

Mentioned in descriptions 5 668 varieties reference book.

The herbicide tolerance of a variety is the genetically determined ability of a cultivated plant to withstand the phytotoxic effects of a specific chemical agent. In practice, this allows for the application of broad-spectrum herbicides directly to the growing crop without the risk of damage or loss of the stand, which significantly simplifies weed control.

This trait is evaluated within the framework of state variety testing using field and laboratory test methods. In field conditions, plots subjected to chemical treatment are compared with control samples, where plant density preservation, the absence of phytotoxicity signs (chlorosis, necrosis), and growth rates are recorded. Laboratory methods include dose-response analysis to determine survival rates at various application rates of the chemical.

Tolerance indicators are expressed in visual damage scores, percentage of stand density preservation, or productivity levels relative to an untreated standard. High tolerance is characterized by the preservation of full productivity when the recommended full dose of herbicide is applied. With low tolerance, even reduced doses cause growth retardation and yield loss; therefore, an important parameter for variety selection is its compatibility with the specific mode of action of the applied chemical.

Sources10

Breakdown by crop

Sunflower herbicide resistance 726 Herbicide resistance — sugar beet 192 Maize herbicide resistance 148 Herbicide resistance in rapeseed 113 Herbicide Resistance in Rapeseed 97 Herbicide Resistance in Rice 93 Herbicide tolerance in potato 89 Herbicide resistance in soft wheat 88 Maize herbicide resistance 50 Herbicide resistance in soybean 50 Herbicide Tolerance — Sweet Corn 17 Herbicide tolerance in barley 15 Cotton Herbicide Resistance 15 Herbicide tolerance in pea 12 Herbicide Resistance in Perennial Ryegrass 12 Herbicide Tolerance in Common Bean 11 Herbicide resistance of chicory 9 Herbicide resistance — durum wheat 8 Herbicide resistance in red fescue 8 Herbicide resistance — Sheep's fescue 7 Herbicide Resistance in Sorghum 7 Herbicide resistance in tomato 5 Herbicide resistance in hard fescue 5 Chickpea herbicide tolerance 5

Found in these crops

Sunflower 725 Sugar beet 195 Maize 147 Rapeseed 111 Rapeseed 96 Rice 91 Potato 89 Bread wheat 89 Maize 49 Soybean 47 Sweet corn 17 Upland cotton 15

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.

Soissons

Active

Triticum aestivum L. · Bread wheat

SAS FLORIMOND-DESPREZ Veuve et Fils

BE ES FR HR IE IT +2
22 records

Chevignon

Active

Triticum aestivum L. · Bread wheat

SAATEN UNION RECHERCHE

BE FR HU LT LU PL +1
19 records

ES Comandor

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

AT FR PL SK UA
17 records

Red fantasy

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

DE HR UA
17 records

Es Argentic

Active

Helianthus annuus L. · Sunflower

Euralis Semences, Mondoville (FR)

BG ES FR HR IT SK +1
12 records

SY Bacardi CLP

Active

Helianthus annuus L. · Sunflower

SYNGENTA FRANCE S.A.S.

AT FR HU PT SK UA
14 records

Twister

Active

Solanum tuberosum L. · Potato

GW te Winkel

NL PL UA
15 records

Agritonic

Active

Plantago lanceolata L. · Ribwort plantain

Reddie Grose LLP

FR NL
17 records

KWS Acer CL

Active

Helianthus annuus L. · Sunflower

Martin Ganssmann

BG ES IT RO SI SK +1
13 records

Smart Latoria KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Werner Beyer Monica Weber Maik Gertz Dietrich Hauer

BE DE DK ES NL PL +2
11 records

Smart Iberia KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Werner Beyer Monica Weber Maik Gertz Dietrich Hauer

DE DK ES LT SE UA
11 records

Ascona

Protection expired

Pisum sativum L. · Pea

INNOSEEDS

BE DE DK ES FR NL +1
16 records

KWS Achilles CLP

Active

Helianthus annuus L. · Sunflower

Martin Ganssmann

HR IT PT RO SK UA
15 records

Interstellar

Active

Helianthus annuus L. · Sunflower

MAS Seeds, F

FR HR IT PT SK UA
12 records

Sumiko

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

AT HU IT RO UA
14 records

Prada

Active

Solanum tuberosum L. · Potato

Jacob Eising

CZ NL UA
14 records

Marilyn

Active

Solanum tuberosum L. · Potato

Martin F.W. Jansen Klomp c/o HZPC Holland B.V.

FR NL
12 records

Excellency

Active

Solanum tuberosum L. · Potato

MARIEN WINTERS

NL
14 records

Rimisol

Active

Helianthus annuus L. · Sunflower

INST.FIELD VEGETABLE CROP

BG ES RO SK UA
15 records

Ajaxx

Active

Zea mays L. · Maize

RAGT 2N S.A.S

BE DE DK IT LT UA
14 records

Fushia CL

Active

Helianthus annuus L. · Sunflower

LIDEA FRANCE SAS

BG RO SK UA
13 records

Phoenix CL

Active

Brassica napus L. · Rapeseed

Dieter Stelling, Carsten Oertel, Detlef Hauska,

BG EE HU LT RO SK +1
9 records

Cinja

Protection expired

Solanum tuberosum L. · Potato

NORDKARTOFFEL| Nordkartoffel Zuchtgesellschaft mbH

AT CZ DE EE ES HR +2
11 records

Classica

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

BE DK ES FR LT SE +1
9 records

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