Cyhalofop-butyl is the only herbicide that is highly safe for rice. Like other varieties in this category, it is also a systemic conductive herbicide. It travels in the leaves and leaf sheaths of plants and conducts in the phloem.
Description
Cyhalofop-butyl mode of action
Cyhalofop-butyl is the only herbicide that is highly safe for rice. Like other varieties in this category, it is also a systemic conductive herbicide. It travels in the leaves and leaf sheaths of plants and conducts in the phloem.
It accumulates in the meristem zone of the plant body. Resists acetyl-CoA carboxylase (ACCase), stopping fatty acid synthesis. Cell growth and division cannot proceed normally, and lipid-containing structures such as membrane systems are damaged, eventually leading to plant death. Cyhalofop-butyl conducts slowly in weeds, generally taking 1-3 weeks. Symptoms of weeds after pesticide application are as follows: shoots at the four-leaf stage shrink, resulting in death. The old leaves at the second-leaf stage change very little and remain green.
Applicable crops of cyhalofop-butyl
Rice (transplanting and direct seeding), has excellent selectivity for rice, etc. Selectivity is based on different metabolic rates. In rice, cyhalofop-butyl is rapidly degraded into a diacid state inactive against acetyl-CoA carboxylase. Therefore, it is highly safe for rice. It is safe for subsequent crops because it degrades rapidly in soil and typical rice field water.
Control objects
Mainly used to control important grass weeds. Cyhalofop-ethyl is highly effective against Stephania chinensis and has certain control effect on young barnyardgrass. It can also control crabgrass, crabgrass, wheatgrass, etc. Ineffective against sedge weeds and broadleaf weeds.
Precautions:
This drug is highly toxic to aquatic arthropods, so avoid flowing into aquaculture sites. When mixed with some broadleaf herbicides, it may exhibit antagonistic effects, resulting in a reduction in the efficacy of cyhalofop.
