Mode of action
Imazamox is absorbed by leaves and root system of weeds and inhibits synthesis of series of amino acids. Quizalofop-P-ethyl is absorbed by leaves and other aboveground parts of weeds, transferred to sprout and rootstock growing points, and inhibits synthesis of lipids, which caused weed death.
Protective period
The preparation penetrates plants via their aboveground organs and moves to the root system. Thus, the preparation affects weeds present among plantings during preparation application. The herbicide does not penetrate through soil and affect weeds that appear after treatment. Preparation efficiency is generally maintained throughout the entire vegetation period.
Rate of exposure
Weed growth is halted within one hour after treatment. Visible signs of damage appear 5–7 days later, manifesting as discoloration and browning of the growth points, followed by chlorosis and complete weed death.
Full weed die-off is observed 2–3 weeks after treatment. The time to growth retardation depends on weather conditions during treatment (humidity, temperature), weed species, and development phase. Young weeds are more sensitive to the herbicide.
Speed of action
The herbicide starts acting in 7 to 10 days after treatment at ambient temperatures of 25-35⁰C and humidity of 40-100%.
Range of inhibited weeds
Annual and some perennial dicotyledonous and grass weeds
Susceptible species: common stork's-bill, bird's-eye speedwell, corn speedwell, lady's thumb, knotweed, black mustard, Aleppo grass, drug fumitory, chickweed, common arache, foxtail grass, field poppy, goosefoot (species), bent grass, sun spurge, annual bluegrass, field scorpion grass, wild oat, field milk thistle, scarlet pimpernel, black nightshade, shepherd's purse, hemp-nettle (species), Swiss ryegrass, forked panic grass, switchgrass, barnyard grass, couch grass, broomcorn millet, wild radish, chamomile (species), large crabgrass, dogtooth grass, sorghum, field pansy, foxtail (species), Henbit dead-nettle, field pennycress, amaranth (species), etc.
Moderately susceptible species: ragweed, creeping thistle, cornflower, flixweed, common cocklebur, buttonweed, blue lettuce, cleavers, common purslane, corn pansy, black bindweed, common dandelion, etc.
Compatibility with other pesticides
Check physical compatibility of components in the prepared mix before used.
Product application features
The product is nonphytotoxic to peas, soybeans, and sunflowers resistant to imidazolinones when application guidelines are followed. However, in some cases, the maximum herbicide dose may cause short-term discoloration of pea and soybean leaves, which does not negatively affect yield.
It is not recommended to treat crops under stress from weather conditions, nutrient deficiencies, diseases, or pests.