CN1176588C - Phenylthiacyl.methyl. benzyl rice field weedicide - Google Patents
Phenylthiacyl.methyl. benzyl rice field weedicide Download PDFInfo
- Publication number
- CN1176588C CN1176588C CNB001106570A CN00110657A CN1176588C CN 1176588 C CN1176588 C CN 1176588C CN B001106570 A CNB001106570 A CN B001106570A CN 00110657 A CN00110657 A CN 00110657A CN 1176588 C CN1176588 C CN 1176588C
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- CN
- China
- Prior art keywords
- methyl
- mefenacet
- bensulfuron
- alachlor
- herbicide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a weed killer with mefenacet, alachlor and bensulfuron-methyl for rice fields. The present invention is prepared from mefenacet, alachlor and bensulfuron-methyl by mixture. Compared with the weed killer prepared from mefenacet and bensulfuron-methyl, the present invention has the advantages of enhanced medicine effect and effect sustaining time of the weed killer, reduced cost and reduced medicine consumption.
Description
What the present invention relates to is the pesticide technology, is a kind of chemical herbicide that is used for paddy field.
Weed killer herbicide has a variety of, the paddy field is arranged with weed killer herbicide and dry land weed killer herbicide, mainly contains emulsifiable concentrate, wetting powder, effervescent from formulation.The application of its medicine has a variety of in herbicide for paddy field, mainly be composite with bensulfuron-methyl and other medicines, as composite with bensulfuron-methyl and butachlor etc., wherein by adopting mefenacet and the composite herbicide for paddy field of forming of bensulfuron-methyl, for example its active drug of LS2000378 agricultural chemicals herbicide for paddy field of announcing on the 30th page of the 3rd phase of China's agriculture chemical registration in 2000 is used mefenacet and the composite composition of bensulfuron-methyl exactly, and it makes formulations such as wetting powder, emulsifiable concentrate or effervescent.
The objective of the invention is to improve, a kind of novel herbicide for paddy field be provided at the existing mefenacet and the herbicide for paddy field of the composite composition of bensulfuron-methyl, with the drug effect that improves weed killer herbicide with hold effectiveness, and reduce cost and dosage.
Herbicide for paddy field of the present invention includes medicine, auxiliary agent, filler and constitutes, and it is characterized in that medicine is by mefenacet (mefenacet), alachlor (alachlor), bensulfuron-methyl (bensulfuron-methyl) composite composition.
Herbicide for paddy field of the present invention is formed proportioning (percentage by weight):
Mefenacet 5-60%, alachlor 1-50%, bensulfuron-methyl 1-30%, auxiliary agent 15-20%, filler 15-25%.
During raw material of the present invention was formed, its auxiliary agent and filler as carrier were the formulations of the product that becomes according to production and processing, select use according to a conventional method.
At present, alachlor is just done dry land herbicide and is used, and is used for the herbicide for paddy field application and never see, and does not more see useful alachlor and mefenacet, the composite herbicide for paddy field of bensulfuron-methyl.Through exploring and test, obtain alachlor and do the agent for removing grass in paddy field medicine good active is arranged, itself and mefenacet are compounded with remarkable role in synergy and to the incomplete substitution effect of mefenacet, and can increase efficiency time.Can reduce the consumption of mefenacet greatly, and the price of alachlor is mefenacet half, so also can be significantly reduced to this.
Use existingly by mefenacet and the composite herbicide for paddy field of forming of bensulfuron-methyl, the consumption on general every mu of ground is a 50-80 gram, and the general lasting period is about 30 days.And the present invention is by mefenacet, alachlor, the composite weed killer herbicide of forming of bensulfuron-methyl, and general every mu of ground consumption is the 25-50 gram, and the general lasting period can reach about 40 days.
The present invention is because alachlor is that mefenacet is played Synergistic and incomplete substitution effect in the proportioning combination, so use the size requirements of proportioning consumption not high to it, production technology personnel can be by the actual production of oneself, in the amount of determining to use alachlor in a big way.
Embodiment 1, and raw material is formed proportioning (weight %):
Mefenacet 5%, alachlor 40%, bensulfuron-methyl 20%, auxiliary agent 20%, filler 15%.
Embodiment 2, and raw material is formed proportioning (weight %):
Mefenacet 20%, alachlor 10%, bensulfuron-methyl 30%, auxiliary agent 20%, filler 20%.
Embodiment 3, and raw material is formed proportioning (weight %):
Mefenacet 5%, alachlor 50%, bensulfuron-methyl 2%, auxiliary agent 20%, filler 23%.
Embodiment 4, and raw material is formed proportioning (weight %):
Mefenacet 20%, alachlor 30%, bensulfuron-methyl 10%, auxiliary agent 15%, filler 25%.
Embodiment 5, and raw material is formed proportioning (weight %):
Mefenacet 60%, alachlor 1%, bensulfuron-methyl 1%, auxiliary agent 20%, filler 18%.
The various embodiments described above raw material proportioning is formed, formulation method for producing production and processing routinely, and processing becomes missible oil or formulation herbicide for paddy field such as wetting powder or effervescent.By every mu of ground consumption is the 25-50 gram, before rice transplanting 2-3 days, or after rice transplanting, applied in 5-7 days, a dispenser can prevent and treat annual and the part perennial weed, its herbicidal effect and lasting period all can reach and surpass the effect that the every mu of paddy field of herbicide for paddy field that uses mefenacet and the composite composition of bensulfuron-methyl uses the 50-80 gram, and cost reduces.
Claims (1)
1, benzene thiophene acyl methylbenzyl herbicide for paddy field, include medicine, auxiliary agent, filler formation, it is characterized in that medicine by mefenacet, alachlor, bensulfuron-methyl is composite forms, raw material is formed weight proportion and is: mefenacet 5-60%, alachlor 1-50%, bensulfuron-methyl 1-30%, auxiliary agent 15-20%, filler 15-25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001106570A CN1176588C (en) | 2000-07-10 | 2000-07-10 | Phenylthiacyl.methyl. benzyl rice field weedicide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001106570A CN1176588C (en) | 2000-07-10 | 2000-07-10 | Phenylthiacyl.methyl. benzyl rice field weedicide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1292219A CN1292219A (en) | 2001-04-25 |
| CN1176588C true CN1176588C (en) | 2004-11-24 |
Family
ID=4580637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001106570A Expired - Fee Related CN1176588C (en) | 2000-07-10 | 2000-07-10 | Phenylthiacyl.methyl. benzyl rice field weedicide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1176588C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113243377A (en) * | 2021-03-24 | 2021-08-13 | 合肥巨卓农业科技合伙企业(有限合伙) | Mefenacet and bensulfuron methyl combined rice herbicide |
-
2000
- 2000-07-10 CN CNB001106570A patent/CN1176588C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1292219A (en) | 2001-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041124 Termination date: 20120710 |