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|Herbicide,Weedicide,Agriculture,Control Annual Weeds And Grasses,Agrochemical & Pesticide
|Dry Place,Sealed Tightly And Stored Away From Light In A Cool And Dry Place
CAS 122008 85 9 cyhalofop butyl herbicide,
Cyhalofop Butyl Weed Control Herbicides,
10%EC cyhalofop butyl herbicide
Cyhalofop-butyl does not present any useful pre-emergence activity.
It can be applied from germination to the four-leaf stage of barnyard grass with granular formulations, and from germination to the six-leaf stage
with liquid formulations. It is rainfast within 2-3 hours and has no residual activity. The US product label states that 2.3 L/ha of crop oil concentrate
should be added to the tank for all treatments. The product poses low risk to nearby crops such as cotton, soybeans and vegetables but Dow
advises that drift to more sensitive crops such as maize, nectarines, peaches, sugar cane and sorghum should be avoided.
The selectivity of rice to cyhalofop-butyl is due to rapid metabolism (half-life less than 10 hours) in this crop to the inactive dicarboxylic acid
resulting from hydrolysis of the ester and nitrile groups. By contrast, the major initial metabolic step in susceptible grasses is the rapid formation of
the herbicidally active monocarboxylic acid (80% formed within 10 hours) by hydrolysis of the ester group.
|Biochemistry Inhibits carotenoid biosynthesis; target enzyme not known.
Cyhalofop-butyl Formulations: 100g/L EC, 200g/L EC,
|Mode of Action
Cyhalofop-butyl is a selective herbicide type before seedling, used for processing the stemleaf.
It mainly apply to rice,it has an excellent control effect on moleplant seed and crab grass
|Cyhalofop-butyl is a selective systemic post-emergent herbicide with foliar uptake only and no soil activity. It is the safest herbicide for the control of grass weeds in rice field and it will not be phytotoxic to rice in all cultivation forms from seedling to jointing stage. Cyhalofop-butyl is highly effective in controlling cockspur grass,chinese sprang letop and it can also control crab grass, green bristlegrass,etc.
|Stable for 2 years after receipt of order if stored under recommended conditions. After 2 years, the compound should be re-analyzed for chemical purity before use.
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