阅读说明：本技术 一种包含氟乐灵、丁草胺和噁草酮的除草组合物 (Weeding composition containing trifluralin, butachlor and oxadiazon ) 是由 郭晓刚 汪顺生 廖意凤 于 2020-06-02 设计创作，主要内容包括：本发明提供一种包含氟乐灵、丁草胺和噁草酮的除草组合物,活性成分包含氟乐灵、丁草胺和噁草酮,并且氟乐灵、丁草胺和噁草酮的质量配比为1-10:1-10:1-10。本发明的除草组合可用于作物田一年生杂草的防除,具有显著的增效作用。(The invention provides a weeding composition containing trifluralin, butachlor and oxadiazon, wherein the active ingredients comprise trifluralin, butachlor and oxadiazon, and the mass ratio of the trifluralin, the butachlor and the oxadiazon is 1-10:1-10: 1-10. The weeding composition can be used for preventing and removing annual weeds in crop fields and has obvious synergistic effect.)

1. A weeding composition containing trifluralin, butachlor and oxadiazon is characterized in that active ingredients comprise trifluralin, butachlor and oxadiazon, and the mass ratio of the trifluralin, the butachlor and the oxadiazon is 1-10:1-10: 1-10.

2. A herbicidal composition according to claim 1, wherein the mass ratio of trifluralin, butachlor and oxadiazon is 1-10:1-5: 1.

3. A herbicidal composition according to any one of claims 1 to 2, characterized in that the active ingredient is present in an amount of 1 to 90% by weight.

4. A herbicidal composition according to claim 3, characterized in that the active ingredient is present in an amount of 20-70% by weight.

5. A herbicidal composition according to claim 3, characterized in that it is mixed with agrochemically customary auxiliaries and is prepared in any formulation suitable for agricultural use.

6. A herbicidal composition according to claim 5, wherein said formulation is selected from the group consisting of emulsifiable concentrates, water dispersible granules, wettable powders, granules, suspensions, and microemulsions.

7. Use of the herbicidal composition according to any one of claims 1 to 6 for controlling weeds in crop fields.

8. Use of a herbicidal composition according to claim 7, characterized in that the weeds are annual grasses and broadleaf weeds.

Technical Field

The invention belongs to the field of herbicides, and particularly relates to a herbicidal composition containing trifluralin, butachlor and oxadiazon and application thereof.

Background

Trifluralin is a selective aniline pre-emergence soil treatment agent, is mainly absorbed by coleoptile and hypocotyl of weeds, influences the generation and transmission of hormones, and inhibits cell division to kill the weeds. Trifluralin is not effective on emerged weeds, and can be killed only by absorbing the pesticide in the unearthing process after the weed seeds germinate. The trifluralin can effectively prevent and kill annual gramineous weeds and part of broadleaf weeds with small-grain seeds, and has longer lasting period.

Butachlor is an amide herbicide, and the action mechanism of butachlor is that butachlor is absorbed by the buds of weeds and then conducted to the whole plant to act. Can be used before germination and in seedling stage. After the plant absorbs the butachlor, the protease is inhibited and destroyed in vivo, the formation of protein is influenced, and the normal growth and development of weed sprouts and roots are inhibited, so that the weeds die. Can prevent and kill annual sedge and part of annual broadleaf weeds, such as barnyard grass, large crabgrass, green bristlegrass herb, cowherb, monochoria vaginalis, arthroncus, abnormal sand grass and other annual grassy weeds and some dicotyledonous weeds.

Oxadiazon is oxadiazolone herbicide, named oxadiargyl, agrestin and the like, can be used in crop fields of peanuts, cotton, rice and the like and can be used before weed emergence and in early afterseedling. Can effectively prevent and kill dicotyledonous weeds such as purslane, abutilon, redroot amaranth, quinoa, schizophyllum, petunia, xanthium, black nightshade, acalypha australis and the like and monocotyledonous weeds such as crabgrass and the like, but the effect of preventing and killing monocotyledonous weeds is obviously lower than that of killing monocotyledonous weeds such as dicotyledonous weeds

The chemical agent is easy to cause the drug resistance of weeds after being singly used for a long time, causes pollution to the environment, and the research and development of the synergistic composition which can improve the weeding effect and reduce the application dosage of active ingredients is the key point of the research and development of a plurality of pesticide companies in China. In the prior art, no report is provided about the compound use of trifluralin, butachlor and oxadiazon.

Disclosure of Invention

The invention relates to a weeding composition containing trifluralin, butachlor and oxadiazon and application thereof. The specific technical scheme is as follows:

the active ingredients of the weeding composition comprise trifluralin, butachlor and oxadiazon, and the mass ratio of the trifluralin, the butachlor and the oxadiazon is 1-10:1-10: 1-10.

In the weeding composition, the preferable mass ratio of the trifluralin, the butachlor and the oxadiazon is 1-10:1-5: 1. More preferably, the mass ratio of the trifluralin to the butachlor is 1:1:1 and 5:5: 1.

The weeding composition comprises 1-90% of active ingredients in percentage by mass. The preferable mass percentage of the active ingredients is 20-70%; more preferably, the content of the active ingredients is 30-60% by mass

The weeding composition is mixed with common auxiliary materials on pesticides to prepare any preparation suitable for agriculture. Suitable preparations comprise missible oil, water dispersible granules, wettable powder, granules, suspending agents, micro-emulsions, emulsion in water and the like.

The weeding composition provided by the invention is used for preventing and removing weeds in crop fields.

The crops are preferably cotton, rice, corn, soybean and the like. The weeds are annual weeds.

Compared with the prior art, the invention has the following beneficial effects:

the trifluralin, butachlor and oxadiazon are compounded to have an obvious synergistic effect, so that the application dosage of active ingredients can be effectively reduced, the generation of drug resistance is slowed down, and the environmental pollution is reduced.

The trifluralin, butachlor and oxadiazon are compounded to be used for preventing and removing crop weeds, and when the using dose is 55g a.i./mu, the effect of preventing and removing the field weeds is more than 90%.

Detailed Description

The invention will be better understood from the following examples. However, those skilled in the art will readily appreciate that the description of the embodiments is illustrative only and should not be taken as limiting the invention as described in detail in the claims