Variety traits
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.
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.
Helianthus annuus L. · Sunflower
Dr. Amelia Bertero, Dr. Arnaldo Vasguez,
Helianthus annuus L. · Sunflower
Tovarystvo z obmezhenoiu vidpovidalnistiu «Vseukrainskyi naukovyi instytut selektsii (VNIS)»
Helianthus annuus L. · Sunflower
R 2n (FR)
Cichorium intybus L. · Chicory
Hoquet Endives (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderHave N. V./S. A.
Solanum tuberosum L. · Potato
Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy
Helianthus annuus L. · Sunflower
PANAM FRANCE SARL
Triticum aestivum L. · Bread wheat
Cambier Semences (FR)
Oryza sativa L. · Rice
Dudchenko Tetiana Volodymyrivna, Dudchenko Volodymyr Viktorovych, Shpak Dmytro Vasylovych, Vozhehova Raisa Anatoliivna, Sudin Valerii Mykhailovych,
Helianthus annuus L. · Sunflower
Bertrand Haquin
Helianthus annuus L. · Sunflower
SYROTIUK NATALIIA, SUKONNYK OKSANA, SUKONNYK OLEH, SUKONNYK IHOR
Helianthus annuus L. · Sunflower
SYNGENTA SEEDS A.G.
Helianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,
Helianthus annuus L. · Sunflower
Agustin Tassara
Brassica napus L. · Rapeseed
Andreas Girke, Werner Paulmann, Martin Frauen,
Hordeum vulgare L. · Barley
Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy
Triticum aestivum L. · Bread wheat
Artemchuk Iryna Petrivna, Morhun Volodymyr Vasylovych,
Helianthus annuus L. · Sunflower
Grahovac Nada, Gvozdenac Sonja, Radeka Iija, Jockovic Milan, Jocic Sinisa, Cvejic Sandra,
Helianthus annuus L. · Sunflower
Institut za ratarstvo i povrtarstvo, Novi Sad (RS)
Helianthus annuus L. · Sunflower
Kalinichenko Artem Oleksandrovych
Helianthus annuus L. · Sunflower
Syngenta participation AG
Helianthus annuus L. · Sunflower
Albert Godenzi, Luca Cuk,
Helianthus annuus L. · Sunflower
NuSeed Americas
Zea mays L. · Maize
Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,