CN1224319C - Herbicide-- 'Paoyangling' for rice seedling throwing field, small-seedling transplant field - Google Patents
Herbicide-- 'Paoyangling' for rice seedling throwing field, small-seedling transplant field Download PDFInfo
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- CN1224319C CN1224319C CN 98112331 CN98112331A CN1224319C CN 1224319 C CN1224319 C CN 1224319C CN 98112331 CN98112331 CN 98112331 CN 98112331 A CN98112331 A CN 98112331A CN 1224319 C CN1224319 C CN 1224319C
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Abstract
The present invention provides a herbicide prepared by using acetochlor, bensulfuron methyl and metsulfuron methyl as main effective components through mixing according to certain proportions. The herbicide is suitable for preventing weeds in rice seedling throwing fields and seedling transplanting fields, and the total prevention effect on various weeds comprising barnyard grass, cyperaceae weeds, broad leaved weeds, etc. in rice fields is about 95%. The herbicide has high safety to seedlings and low agricultural cost per mou. The herbicide is high efficient, broad in spectrum and safe for solving weeds in the rice seedling throwing fields and the seedling transplanting fields.
Description
The present invention is a kind of high-efficiency broad spectrum weed killer herbicide and production method thereof that is applicable to rice seedling throwing field, seedling transplant field.
In recent years rice seedling throwing transplanting and seedling transplantation technique are gesture, especially the seedling-throwing technology saving of labor, laborsaving of fast development, and promotional value is arranged very much, might cause the revolution of rice cropping mode.And seedling transplant with the seedlings transplanting method relatively, rice shoot was mostly at three leaves before and after one heart stage when seedling was transplanted, big transplantation of seedlings is usually at four to five leaves more than the phase.Because the rice shoot when rice transplanting or seedling transplant field are transplanted is more delicate, thereby poor to the drug resistance of weed killer herbicide, is easy to generate the dead seedling of poisoning.The weed killer herbicide that the paddy field weeding of seedling transplanting is at present used mainly is fourth benzyl (butachlor+bensulfuron-methyl), benzyl dichloride (dichloro quinolinic acid+bensulfuron-methyl) etc., and these herbicide effects are fair, but mu is too high with cost.In recent years the second benzyl Class A weed killer herbicide of having developed, though mu with low cost, herbicidal effect is good, and is dangerous to the seedling before and after one heart stage of paddy rice three leaves, very easily produces poisoning, cause dead seedling or have a strong impact on seedlings of cereal crops growth, therefore, should not be in this type of rice field use.The weed killer herbicide of for this reason produce to go up being badly in need of providing a kind of efficient, safe, cheap seedling throwing field and seedling transplant field to use.
Purpose of the present invention just provides a kind ofly can effectively prevent and kill off rice seedling throwing field and the common various weeds of seedling transplant field comprehensively, and again to the seedling safety of paddy rice three leaves before and after one heart stage, and mu is with the weed killer herbicide of the low health of cost.
For mainly containing effective constituent, being mixed by scientific matching processes with Acetochlor, bensulfuron-methyl, metsulfuron-methyl in the present invention.Its proportioning is completely different with the second benzyl first of exploitation in recent years, thereby performance is good to the seedling safety of paddy rice three leaves before and after one heart stage.By drug effect test of field zone screening and weeding demonstration, determine that Acetochlor, bensulfuron-methyl, metsulfuron-methyl three's proportioning is (10-30): (2-20): (0.2-2), best proportioning is (16-24): (8-12): (0.5-1.5).Mu is respectively 1-3 gram, 0.2-2.0 gram and 0.02-0.2 gram with Acetochlor, bensulfuron-methyl, metsulfuron-methyl effective ingredient, carries out compound as elementary cell and joins.
During production and processing, can be according to proportioning that the present invention decides, the wetting powder of Acetochlor, bensulfuron-methyl, three kinds of weed killer herbicides of metsulfuron-methyl directly is mixed.
The present invention also can be by deciding proportioning, and Acetochlor, bensulfuron-methyl, three kinds of former medicines of metsulfuron-methyl is composite, adds carrier (filler), auxiliary agent again, then with comminution by gas stream.Used carrier can be diatomite, kaolin, white carbon, and its addition is 50-90%, and optimal addn is about 70%.
The used Acetochlor of the present invention, bensulfuron-methyl, three kinds of wetting powders of metsulfuron-methyl, (particle diameter＜45u) greater than 90%, suspensibility is greater than 70% for its fineness.
The present invention has overcome existing Acetochlor, bensulfuron-methyl, metsulfuron-methyl ternary composition to rice seedling throwing field, the unsafe problem of the non-irrigated native seedling seedling transplant field three leaves one heart stage young tender rice shoot in front and back, can use safely in this type of rice seedling bed, and to the remarkable preventive effect of the equal tool of barnyard grass grass, sedge family and broad leaved weed in the rice field, total preventive effect reaches about 95%, has the good characteristic that preventive effect is good, cost is low.
The invention will be further described below in conjunction with embodiment.
Embodiment 1: the acetochlor tc (content 80%) that takes by weighing 125 parts of weight, the former medicine of the bensulfuron-methyl of 250 parts of weight (content 80%), 25 parts of former medicines of weight metsulfuron-methyl (content 80%), the filler of 2600 parts of weight (diatomite, kaolin, white carbon), the auxiliary agent of 10 parts of weight, add agitator, it is fully mixed, get finished product of the present invention through comminution by gas stream again.
Embodiment 2: take by weighing the acetochlor tc (content 85%) of 375 parts of weight, and 25 parts of weight fillers (diatomite, kaolin, white carbon), 10 parts of weight auxiliary agents add agitator, and it is fully mixed, and get finished product of the present invention through comminution by gas stream again.
Embodiment 3: take by weighing 10% Acetochlor wetting powder of 180 parts of weight, and the bensulfuron-methyl wetting powder of 110 parts of weight, the metsulfuron-methyl wetting powder of 10 parts of weight, the adding agitator fully mixes it and gets product.
Claims (1)
- One kind prevent and kill off the rice seedling throwing field, seedling transplant field weeds are used Herbicidal combinations, effective ingredient is Acetochlor, bensulfuron-methyl, metsulfuron-methyl, it is characterized in that: the weight proportion of Acetochlor, bensulfuron-methyl, metsulfuron-methyl is 0.5: 1: 0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98112331 CN1224319C (en) | 1998-01-22 | 1998-01-22 | Herbicide-- 'Paoyangling' for rice seedling throwing field, small-seedling transplant field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98112331 CN1224319C (en) | 1998-01-22 | 1998-01-22 | Herbicide-- 'Paoyangling' for rice seedling throwing field, small-seedling transplant field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1196177A CN1196177A (en) | 1998-10-21 |
| CN1224319C true CN1224319C (en) | 2005-10-26 |
Family
ID=5222195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98112331 Expired - Fee Related CN1224319C (en) | 1998-01-22 | 1998-01-22 | Herbicide-- 'Paoyangling' for rice seedling throwing field, small-seedling transplant field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1224319C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102845448A (en) * | 2011-06-30 | 2013-01-02 | 浙江天丰化学有限公司 | Herbicidal composition for paddy transplanting fields |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114554847A (en) * | 2019-09-27 | 2022-05-27 | 阿肯色大学董事会 | Protection of rice against group 15 herbicides |
-
1998
- 1998-01-22 CN CN 98112331 patent/CN1224319C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102845448A (en) * | 2011-06-30 | 2013-01-02 | 浙江天丰化学有限公司 | Herbicidal composition for paddy transplanting fields |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1196177A (en) | 1998-10-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20051026 Termination date: 20110122 |