Herbicidal composition containing metamifop and oxaziclomefone, and application of herbicidal composition

Abstract

The invention discloses a herbicidal composition containing metamifop and oxaziclomefone, and application of the herbicidal composition. The herbicidal composition is prepared by using the metamifop and the oxaziclomefone as main effective components, wherein the mass ratio of the metamifop to the oxaziclomefone is equal to (1 to 50)-(59 to 1). The herbicidal composition provided by the inventioncan be used for weeding in rice fields, and has a remarkable effect especially for preventing and killing gramineae weeds, broadleaf weeds and sedge weeds. Compared with a single agent, the herbicidalcomposition provided by the invention delays the weed resistance, and is wide in weed control spectrum and long in lasting period under the premise of improving the efficacy; furthermore, the herbicidal composition is safe to rice and afterreap crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and in particular relates to a herbicidal composition containing oxazicam and oxaziclozone and an application thereof. Background technique [0002] Metamifop belongs to the class of aryloxyphenoxypropionate herbicides. Its mechanism of action is to inhibit acetyl-CoA carboxylase. The active ingredient needs to reach the target in the plant to exert its herbicidal effect. The solvent and the surfactant will respectively play the role of softening the waxy layer of the leaf surface and opening the stomata of the plant, so that the active ingredients can enter the plant body and play a role. It mainly controls most of the annual grass weeds in transplanted and direct-seeded fields, such as barnyardgrass, Qianjinzi, crabgrass and goosegrass. [0003] Oxaziclomefone is a systemic herbicide for paddy fields, which is mainly absorbed by the roots and stems ...

AI Technical Summary

Problems solved by technology

[0004] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops

The inventors have found through research that the synergistic compounding of herbicides is an effective measure to expand the weed control spectrum and improve the control effect. So far, no herbicidal composition related to the compounding of oxazifen and oxazicone has been found.

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