CN1217876A - Compounded bactericidal agents for plants - Google Patents
Compounded bactericidal agents for plants Download PDFInfo
- Publication number
- CN1217876A CN1217876A CN 98121816 CN98121816A CN1217876A CN 1217876 A CN1217876 A CN 1217876A CN 98121816 CN98121816 CN 98121816 CN 98121816 A CN98121816 A CN 98121816A CN 1217876 A CN1217876 A CN 1217876A
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- CN
- China
- Prior art keywords
- mancozeb
- dimethachlon
- bactericide
- compounded
- plants
- 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.)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A built-up disinfectant for plant is aimed at inhibiting the sclerotium bacteria and is prepared from triziman (15-85 wt.%), Junhejing (15-85 wt.%), assistant and additive.
Description
What the present invention relates to is a kind of agricultural chemicals that is used to kill plant sclerotium germ.
The bactericide of preventing and treating stalk break commonly used at present is " dimethachlon ".Its chemical name is that " N-3.5 one dichlorophenyl succimide, molecular formula is C
10H
7Cl
2NO
2, be a kind of carboxylic acid imide fungicides.Have and inhale therapeutic action in the direct sterilization.Though have good bactericidal effect, cost an arm and a leg, cause preventing and treating the cost height; Mancozeb is the cheap organosulfureous fungicide of another kind of price comparison, and its chemical name is C for " the Mn complex of ethylene aminodithioformic acid manganese and zinc ion " molecular formula
4H
6N
2S
4Mn (Zn), mancozeb are mainly used in and prevent and treat downy mildew, and stalk break is not had preventive and therapeutic effect substantially.Because mancozeb belongs to the protectiveness agricultural chemicals of a kind of low price, no direct sterilization and systemic action; therefore; be usually used in other occasion; as Chinese patent CN1084350A disclosed " broad-spectrum efficient bactericide and method for making ", form by carbendazim, mancozeb, metalaxyl, fenaminosulf, several components of pharmaceutical grade potassium permanganate.Be primarily aimed at control downy mildew, phytophthora, pythium spp, imperfect fungus etc.Other has a kind of usage is CN1122188A open " broad-spectrum efficient bactericide ", and by Yimeiling, Dihengna, mancozeb, adsorbent, wet spreader, diatomite are primarily aimed at the control of tobacco foundation disease forming.And do not see as yet that by the Recompounded pesticide of mancozeb and dimethachlon report is arranged simply.
The composite formula bactericide that the purpose of this invention is to provide a kind of control plant stalk break of high efficiency, low cost.
Composite formula bactericide of the present invention is that effective ingredient is formed by the peppery and dimethachlon of maneb, and its ratio is (weight %): mancozeb 15～85, and dimethachlon 85～15, all the other are conventional auxiliary agent and additive.Can be mixed with effective ingredient and be 65% wetting powder uses.Auxiliary agent and additive can be anion and non-ionic surface active agents such as diatomite, Sulfates, Sulfonates, phosphoric acid salt.
From the Toxicity Determination result of the test, certain control efficiency is all arranged in the aforementioned proportion scope, be best wherein with mancozeb/dimethachlon=3: 1.
The present invention is a main component with the former mancozeb that stalk break is not had control efficiency substantially, the clear agricultural chemicals of a spot of sclerotium of proportioning the composite bactericide that makes, its control efficiency near or be equivalent to the level of preventing and treating of dimethachlon, can reduce the dimethachlon consumption of 2/3 costliness, greatly reduce the control cost.
Provide embodiment below in conjunction with the report of virulence test comparison.
As can be seen from the table, mancozeb is relatively poor to the inhibitory action of sclerotium germ, EC
50And EC
90Be respectively 108.21PPM, 966.73PPM; Dimethachlon is stronger to the inhibitory action of sclerotium germ, EC
50And EC
90Be respectively 0.66PPM, 2.50PPM; Bactericide of the present invention is to the inhibitory action EC of sclerotium germ
50Expression, scope is used EC at 2.71PPM～8.67PPM
90Expression, scope is between 4.90PPM～19.40PPM, and the SR value scope that calculates is between 0.68～1.41.Conclusion be mancozeb with dimethachlon by effective ingredient 1～5: 1 mixes the composite bactericide that makes, and the stripped bacteriostatic activity of sclerotium germ is shown as addition, the addition maximum that shows with 3: 1 proportionings wherein, proportioning was taken second place in 4: 1.
The land for growing field crops comparative trial shows that per 100 gram mancozebs act on the field, and its disease refers to that preventive effect is 34.6%, and the disease of per 100 gram dimethachlons refers to that preventive effect is 76.4%.And effective ingredient of the present invention is a mancozeb: the disease of dimethachlon=3: 1 refers to that preventive effect is 70.6%.Approach dimethachlon, be much higher than mancozeb.
Claims (3)
1, a kind of bactericide is characterized in that described bactericide is that active ingredient is formed by mancozeb and dimethachlon, and its ratio is (weight %):
Mancozeb 15～85
Dimethachlon 85～15
Conventional auxiliary agent and additive surplus.
2, bactericide as claimed in claim 1 is characterized in that its ratio is (weight ratio):
Mancozeb: dimethachlon=3: 1.
3, bactericide as claimed in claim 1, the effective ingredient that it is characterized in that described bactericide is 65%, all the other are auxiliary agent and carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121816 CN1217876A (en) | 1998-10-28 | 1998-10-28 | Compounded bactericidal agents for plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121816 CN1217876A (en) | 1998-10-28 | 1998-10-28 | Compounded bactericidal agents for plants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1217876A true CN1217876A (en) | 1999-06-02 |
Family
ID=5227318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98121816 Pending CN1217876A (en) | 1998-10-28 | 1998-10-28 | Compounded bactericidal agents for plants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1217876A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100382691C (en) * | 2005-09-15 | 2008-04-23 | 南京第一农药有限公司 | Efficient germicide composition containing prochloraz or its manganese salt and dimetachlone and its application |
| CN101971769A (en) * | 2010-06-18 | 2011-02-16 | 唐兴龙 | Method for preventing and controlling soybean sclerotinia sclerotiorum |
-
1998
- 1998-10-28 CN CN 98121816 patent/CN1217876A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100382691C (en) * | 2005-09-15 | 2008-04-23 | 南京第一农药有限公司 | Efficient germicide composition containing prochloraz or its manganese salt and dimetachlone and its application |
| CN101971769A (en) * | 2010-06-18 | 2011-02-16 | 唐兴龙 | Method for preventing and controlling soybean sclerotinia sclerotiorum |
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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 | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |