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Variety traits

Sunflower herbicide resistance

Helianthus annuus L.

Genetically determined ability of sunflower to tolerate the effects of systemic herbicides, ensuring the possibility of chemical control of weeds and broomrape while maintaining crop viability.

In the reference 726 varieties crop Sunflower, where this is mentioned in the description.

The trait is based on the identification of specific mutations in the AHASL1 gene, where the substitution of certain amino acids plays a critically important role. Molecular testing of these loci serves as a reliable marker of resistance, allowing for selection at the genotype level.

Assessment of resistance under field and laboratory conditions is carried out by recording the degree of phytotoxicity after crop treatment. Indicators such as the percentage of resistant plants, visual damage scales from 0 to 9 points, and morphometric measurements of seedling biomass and height are used.

Insufficient homozygosity for the target gene leads to the development of anomalies and phytotoxic shock when using imidazolinone or sulfonylurea herbicides. The use of resistant hybrids is the primary method for controlling the parasitic plant Orobanche cumana.

General information about the subject — on the page Herbicide tolerance.

Sources8

Varieties of Sunflower mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Pallmer

Withdrawn

Helianthus annuus L. · Sunflower

R 2n (FR)

FR
1 record

Okari

Application submitted

Helianthus annuus L. · Sunflower

PANAM FRANCE SARL

IT
1 record

NX12298

Active

Helianthus annuus L. · Sunflower

Bertrand Haquin

UA
1 record

Osman

Application submitted

Helianthus annuus L. · Sunflower

SYROTIUK NATALIIA, SUKONNYK OKSANA, SUKONNYK OLEH, SUKONNYK IHOR

UA
2 records

NX35607

Terminated

Helianthus annuus L. · Sunflower

SYNGENTA SEEDS A.G.

ES
1 record

Helianthus annuus L. · Sunflower

Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,

UA
2 records

NX82212

Terminated

Helianthus annuus L. · Sunflower

Agustin Tassara

UA
1 record

Helianthus annuus L. · Sunflower

Grahovac Nada, Gvozdenac Sonja, Radeka Iija, Jockovic Milan, Jocic Sinisa, Cvejic Sandra,

UA
2 records

NS-H-2017

Withdrawn

Helianthus annuus L. · Sunflower

Institut za ratarstvo i povrtarstvo, Novi Sad (RS)

HR
1 record

Helianthus annuus L. · Sunflower

Kalinichenko Artem Oleksandrovych

UA
2 records

NX81229

Active

Helianthus annuus L. · Sunflower

Syngenta participation AG

IT
1 record

Helianthus annuus L. · Sunflower

Albert Godenzi, Luca Cuk,

UA
1 record

N6L414 CL

Withdrawn

Helianthus annuus L. · Sunflower

NuSeed Americas

IT
1 record

N4H402 E

Application submitted

Helianthus annuus L. · Sunflower

NuSeed Americas

IT
1 record

MGT69217

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

IT
1 record

M95CLP46

Application submitted

Helianthus annuus L. · Sunflower

MAY AGRO SEED CORP.

IT
1 record

Machete

Active

Helianthus annuus L. · Sunflower

Yanul` Larysa Mykolaivna, Yanul` Viktor Pavlovych, Khrystov Mykhayl,

UA
2 records

Helianthus annuus L. · Sunflower

Joel Meunier

UA
1 record

Helianthus annuus L. · Sunflower

LIMAGRAIN EUROPE S.A.

IT
1 record

M94CLP80

Terminated

Helianthus annuus L. · Sunflower

Geoffrey Lloyd Tomas

UA
2 records

LHA 6654

Terminated

Helianthus annuus L. · Sunflower

LIMAGRAIN VERNEUIL HOLDING S.A.

IT
1 record

Helianthus annuus L. · Sunflower

LIMAGRAIN EUROPE S.A.

IT
1 record

LHA452/66

Terminated

Helianthus annuus L. · Sunflower

LIMAGRAIN GENETICS S.A.

IT
1 record

M95K11

Terminated

Helianthus annuus L. · Sunflower

Geoffrey Lloyd Tomas

UA
2 records

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