CN105191955A - Pesticide composition containing tetramycin and sedaxane - Google Patents
Pesticide composition containing tetramycin and sedaxane Download PDFInfo
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- CN105191955A CN105191955A CN201510586946.5A CN201510586946A CN105191955A CN 105191955 A CN105191955 A CN 105191955A CN 201510586946 A CN201510586946 A CN 201510586946A CN 105191955 A CN105191955 A CN 105191955A
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- tetramycin
- bacterium amine
- fluorine azoles
- composition
- azoles ring
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Abstract
The invention discloses a pesticide composition containing tetramycin and sedaxane. The effective constituents are the tetramycin and the sedaxane, the weight part ratio of the tetramycin to the sedaxane in the composition is 20:1-1:40, and the weight sum of the tetramycin and the sedaxane accounts for 5%-50% of the weight percentage content of the composition. The pesticide composition can be processed into a suspending agent and is suitable for prevention and treatment of crop diseases such as a rice sheath blight disease caused by infection of rhizoctonia solani. According to the pesticide composition, the using dosage of pesticide is lowered, the using frequency of the pesticide is reduced, the using cost of the pesticide is lowered, and the pesticide composition is safe to crops.
Description
Technical field
The present invention relates to composition pesticide and application thereof, specifically a kind of composition pesticide that is active ingredient with tetramycin and fluorine azoles ring bacterium amine, for preventing and treating the corps diseases that Infection By Rhizoctonia Solani causes, as: rice sheath blight disease.
Background technology
Rhizoctonia solani Kuhn (Rhizoctoniasolani) is without spore section, Rhizoctonia imperfect fungus fungi, the disease caused by Infection By Rhizoctonia Solani includes the diseases such as rice sheath blight disease, potato haulm basal stem rot, peanut damping off, soybean Fusarium, Chinese cabbage brown rot, Chinese cabbage leaf rot, wild cabbage class black root, broccoli damping off, common sow thistle brown rot, water spinach rot, has a strong impact on agricultural production.For effectively preventing and treating Rhizoctonia solani Kuhn; protection crops do not cause damage by Infection By Rhizoctonia Solani in production process; early-stage Study person has prepared compound and the preparation thereof of multiple control Rhizoctonia solani Kuhn, and a lot of chemicals are open in the literature, and a large amount of chemicals use in reality.
Tetramycin (tetramycin), registering product at present at home has: 1) 0.3% tetramycin aqua, control dothiorella gregaria; 2) 0.15% tetramycin aqua, control rice blast, apple peels and cores and apple valsa canker.
Fluorine azoles ring bacterium amine (sedaxane), registering product at present at home has 44% fluorine azoles ring bacterium amine suspension seed-coating agent, control of maize head smut.
The present invention conducts in-depth research fluorine azoles ring bacterium amine, tetramycin and combination thereof, on the basis of a large amount of tests, find that fluorine azoles ring bacterium amine and tetramycin combine Rhizoctonia solani synergistic function within the scope of certain proportion, can be prepared into suspending agent by pesticidal preparations Recipe, the rice sheath blight disease being applied to the initiation of control Rhizoctonia solani Kuhn significantly improves control efficiency.After further study, the present invention is completed.
Summary of the invention
The object of the invention is to solve in existing agricultural chemicals practical technique the problem that easily develops immunity to drugs and actual control efficiency undesirable, there is provided a kind of efficient, low toxicity, quick-acting are good and the lasting period is long, be not easy to develop immunity to drugs, to crop safety, be conducive to the composition pesticide containing tetramycin and fluorine azoles ring bacterium amine realizing integrated pest management.
Another object of the present invention is to the corps diseases being used for by this composition pesticide preventing and treating Infection By Rhizoctonia Solani initiation, as: rice sheath blight disease.
The present inventor is by the test of a large amount of indoor bioassay and field medicine effect test, find that tetramycin and fluorine azoles ring bacterium amine combine at certain proportion, Rhizoctonia solani has synergistic effect, can be prepared into suspending agent by pesticidal preparations Recipe, the rice sheath blight disease being applied to the initiation of control Rhizoctonia solani Kuhn significantly improves control efficiency.
On the basis of above-mentioned discovery, after further study, define technical scheme of the present invention: a kind of composition pesticide containing tetramycin and fluorine azoles ring bacterium amine, active ingredient is tetramycin and fluorine azoles ring bacterium amine, tetramycin and fluorine azoles ring bacterium amine ratio of weight and number are in the composition 20:1 ~ 1:40, and tetramycin and fluorine azoles ring bacterium amine weight summation weight percentage are in the composition 5% ~ 50%.
Composition pesticide of the present invention, also containing useful insecticides adjuvant composition, comprises one or more mixing in wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, filler etc.Auxiliary agent kind is the known substance needed for pesticidal preparations preparation, in this indefinite description.Auxiliary agent kind and usage amount can change to some extent according to different situations, are not particularly limited.
Composition pesticide of the present invention can be prepared into suspending agent by pesticidal preparations Recipe, and suspending agent uses in agricultural production by being watered spray method.
Composition pesticide of the present invention, can be that finished product preparation form provides, namely in composition, each material mixes, and the composition of composition also can provide by unit dose form, and namely needed for each single dose, ratio mixes before use.
Composition pesticide of the present invention, is applied to the rice sheath blight disease that control Rhizoctonia solani Kuhn causes.
Composition pesticide of the present invention, can adopt the method being watered spraying to use, also can adopt other operation technique agriculturally applied as required.
Composition pesticide of the present invention has following beneficial effect:
1, in certain ratio range, combine Rhizoctonia solani performance synergistic function, the rice sheath blight disease effect that control Rhizoctonia solani Kuhn causes significantly improves than single dose.
2, the active ingredient mechanism of action is different, is conducive to Rhizoctonia solani Kuhn to compound resistance management, extends the service life of compound.
3, the costs such as single active ingredient production, packaging, transport are reduced; Reduce the auxiliary agent that single process preparation uses, reduce energy resource consumption.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In these embodiments, unless otherwise indicated, all percentage is the rear percentage by weight of folding hundred.
Chemical control information system of crop pest distribution in China is common method, is combined by dissimilar pesticide active ingredient, usually shows three kinds of type of action, i.e. antagonism, summation action and synergistic effect.The present inventor is on the basis of a large amount of Toxicity Determination, pesticidal preparations Recipe and field control effectiveness test, find that tetramycin and fluorine azoles ring bacterium amine are combined in Rhizoctonia solani synergistic function within the scope of certain proportion, be prepared into suspending agent by pesticidal preparations Recipe, the rice sheath blight disease being applied to the initiation of control Rhizoctonia solani Kuhn significantly improves control efficiency.
Embodiment 1: tetramycin and fluorine azoles ring bacterium amine mixture Rhizoctonia solani Toxicity Determination are tested.
Survey standard method NY/T1156.2-2006 with reference to raw, adopt pastille medium therapy: the liquid 6mL getting each single dose and mixture series concentration, adds in the PDA medium of the 54mL being cooled to 45 DEG C, makes the pastille culture medium flat plate of required final concentration.Then produce 6mm diameter mycelia block from the cultivation object bacteria colony edge of 7 days, move on each serial pastille medium, mycelia faces down, and each process repeats for 4 times.Be disposed, the constant temperature biochemical cultivation case being placed in 25 ± 1 DEG C is cultivated.Take out culture medium flat plate after 3 days, measure each process colony diameter by right-angled intersection method, calculate the mycelial growth inhibition rate of each process.
Be independent variable x according to the logarithm value of drug concentration (mg/L), with the probit value of corrected mortality for dependent variable y, set up virulence regression equation formula respectively, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50and mixture co-toxicity coefficient.According to the abundant method of Sun Yun, co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.Actual measurement toxicity index (ATI)=(standard agent EC
50/ reagent agent EC
50) × 100.Theoretical toxicity index (the TTI)=percentage composition of A (in the toxicity index × mixture of the A)+percentage composition of B (in the toxicity index × mixture of B).Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
As can be seen from Table 1, tetramycin and fluorine azoles ring bacterium amine are all greater than 120 at ratio of weight and number 20:1 ~ 1:40 co-toxicity coefficient (CTC value), and tetramycin and fluorine azoles ring bacterium amine combination performance synergistic effect are described.
Table 1, tetramycin, fluorine azoles ring bacterium amine and combination Rhizoctonia solani toxicity test result thereof
Embodiment 2:19.16% tetramycin fluorine azoles ring bacterium amine suspending agent.
Tetramycin 0.1% (active ingredient), fluorine azoles ring bacterium amine 19.5% (active ingredient), polycarboxylate 4% (dispersant), sodium lignin sulfonate 3% (dispersant), Nongru-700 #5% (emulsifier), lauryl sodium sulfate 2% (wetting agent), xanthans 2% (thickener), organosilicon 1% (defoamer), urea 1% (antifreeze), deionized water complements to 100% (filler).Taken in proportion by raw material, be uniformly mixed, ball crusher grinds, and high-speed shearing machine is sheared, obtained 19.6% tetramycin fluorine azoles ring bacterium amine suspending agent.
Embodiment 3:19.6% tetramycin fluorine azoles ring bacterium amine suspending agent water prevention rice sheath blight field control effectiveness test.
Test site is in Chuan Ao village, Ren Shan town, Huidong County of Guangdong Huizhou city, and medicament is watered spraying in rice sheath blight disease initial stage of origination, 5 days, 10 days investigation prevention effects after dispenser.
As can be seen from Table 2, the water prevention rice sheath blight is sick, 5 days, 10 days control efficiency 84.34 ~ 89.65%, 91.57 ~ 94.23% after 19.6% tetramycin fluorine azoles ring bacterium amine suspending agent effective ingredient consumption, 15 ~ 20 grams/ha of medicines, control efficiency is obviously better than single dose 44% fluorine azoles ring bacterium amine suspending agent and 0.15% tetramycin aqua, and medicament has no adverse effects to paddy rice.
The field control effectiveness test result of table 2, the 19.6% tetramycin fluorine azoles ring bacterium amine suspending agent water prevention rice sheath blight.
Claims (4)
1. one kind contains the composition pesticide of tetramycin and fluorine azoles ring bacterium amine, it is characterized in that: active ingredient is tetramycin and fluorine azoles ring bacterium amine, tetramycin and fluorine azoles ring bacterium amine ratio of weight and number are in the composition 20:1 ~ 1:40, and tetramycin and fluorine azoles ring bacterium amine weight summation weight percentage are in the composition 5% ~ 50%.
2. a kind of composition pesticide containing tetramycin and fluorine azoles ring bacterium amine according to claim 1, is characterized in that: be processed into suspending agent when practical application.
3. a kind of composition pesticide containing tetramycin and fluorine azoles ring bacterium amine according to claim 1 is applied in the corps diseases of control Infection By Rhizoctonia Solani initiation.
4. a kind of composition pesticide containing tetramycin and fluorine azoles ring bacterium amine according to claim 3, is characterized in that: described corps diseases is rice sheath blight disease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586946.5A CN105191955A (en) | 2015-09-15 | 2015-09-15 | Pesticide composition containing tetramycin and sedaxane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586946.5A CN105191955A (en) | 2015-09-15 | 2015-09-15 | Pesticide composition containing tetramycin and sedaxane |
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| Publication Number | Publication Date |
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| CN105191955A true CN105191955A (en) | 2015-12-30 |
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| CN201510586946.5A Pending CN105191955A (en) | 2015-09-15 | 2015-09-15 | Pesticide composition containing tetramycin and sedaxane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674107A (en) * | 2021-01-11 | 2021-04-20 | 河北省农林科学院植物保护研究所 | Bactericidal composition for preventing and treating fruit and vegetable diseases and application thereof |
-
2015
- 2015-09-15 CN CN201510586946.5A patent/CN105191955A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674107A (en) * | 2021-01-11 | 2021-04-20 | 河北省农林科学院植物保护研究所 | Bactericidal composition for preventing and treating fruit and vegetable diseases and application thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |
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| WD01 | Invention patent application deemed withdrawn after publication |