Variety traits
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.
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.
Helianthus annuus L. · Sunflower
Jean Pierre Dufourcq
Helianthus annuus L. · Sunflower
Maurizio Lottari
Helianthus annuus L. · Sunflower
NuSeed Americas
Helianthus annuus L. · Sunflower
NuSeed Americas
Helianthus annuus L. · Sunflower
Nicolae Parvu
Helianthus annuus L. · Sunflower
NUSEED EUROPE
Helianthus annuus L. · Sunflower
Euralis Semences FR
Helianthus annuus L. · Sunflower
LIDEA FRANCE SAS
Helianthus annuus L. · Sunflower
Elena Andreea Teodorescu
Helianthus annuus L. · Sunflower
Petran Alexandru-Viorel
Helianthus annuus L. · Sunflower
Helianthus annuus L. · Sunflower
SINISA JOCIC / SANDRA CVEJIC / JOCKOVIC MILAN / RADEKA ILIJA / SRETEN TERZIC
Helianthus annuus L. · Sunflower
Institut za ratarstvo i povrtarstvo, Novi Sad
Helianthus annuus L. · Sunflower
ROTARU VITALIJ FEDOROVICh / ROTARU IGOR' FEDOROVICh / ROTARU TUDOR GRIGOR'EVICh
Helianthus annuus L. · Sunflower
PHILIPPE JOUVE
Helianthus annuus L. · Sunflower
Institute of Field & Vegetable Crops (RS)
Helianthus annuus L. · Sunflower
RAGT 2N S.A.S
Helianthus annuus L. · Sunflower
Galin Georgiev Georgiev
Helianthus annuus L. · Sunflower
Dekalb Genetics Corporation
Helianthus annuus L. · Sunflower
SINISA JOCIC / SANDRA CVEJIC / JOCKOVIC MILAN
Helianthus annuus L. · Sunflower
MAS SEEDS
Helianthus annuus L. · Sunflower
SC Quality Crops Genetics SRL
Helianthus annuus L. · Sunflower
Syngenta Seeds
Helianthus annuus L. · Sunflower
Euralis Semences