CN103404540A - Hot fogging concentrate containing arasan and azoxystrobin and preparation method of hot fogging concentrate - Google Patents
Hot fogging concentrate containing arasan and azoxystrobin and preparation method of hot fogging concentrate Download PDFInfo
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Abstract
The invention discloses a hot fogging concentrate containing arasan and azoxystrobin, and a preparation method of the fogging concentrate. The hot fogging concentrate comprises the following raw materials in percentage by weight: 20-35 percent of arasan, 2-8 percent of azoxystrobin, 3-5 percent of hot fog density conditioning agent, 2-4 percent of botanical fungiticide, 6-8 percent of surface-active agent, 0.1-1 percent of foam killer, and the balance of smoke agent. The hot fogging concentrate is a broad-spectrum fungiticide, is used in combination with a hot fog machine, can be used for controlling and curing plant diseases, has the advantages of high pesticide applying efficiency and good effe, is suitable for plants with middle-height and low-height stalks, such as oilseed rape, corn and wheat, is high in hot fog controllability, and generates less environment pollution. Through the adoption of the hot fogging concentrate, the labor intensity of operators can be lowered, contamination risks can be reduced, and the problem of plant disease control in water-deficient areas can be can solved completely.
Description
Technical field
The present invention relates to the control of plant disease pesticide field, be specifically related to a kind of thermal fog that contains tmtd and Fluoxastrobin and preparation method thereof.
Background technology
The domestic and international product be mixed with tmtd that produce is the preparations such as wetting powder at present, is difficult to directly with hot mist machine, carry out high-efficient homework.The main method dispenser of adopting water smoke to spray, the water smoke of formation easily runs off on plant, resistance of rainwater washing against not, the lasting period is short, large to environment and operating personnel's murder by poisoning simultaneously; The dilution water consumption is large, labour intensity and activity duration is increased, at the bottom of effect.Thermal fog is studied early abroad, but slower development, its application is mostly in health or forest, in the epidemic prevention of crops in greenhouse, domestic last century seven, the eighties several thermal fogs occurred in forest and the rubber extermination of disease and insect pest, yet thermal fog up to now can only be for the plant of tall and big concealment (as forest, fruit tree) or the space of relatively sealing (as warehouse, greenhouse etc.) carry out dispenser, can not be for relatively open space or low stem plant, the hot mist that reason is to contain active ingredient easily diffuses into atmosphere with ascending air during without specially treated, not only drug effect descends, also easily cause environmental pollution.
Summary of the invention
The invention provides a kind of thermal fog that contains tmtd and Fluoxastrobin and preparation method thereof, prepared thermal fog dispenser efficiency is high, satisfactory for result, the good drug efficacy of being fuming, and environmental pollution is little, with the dispenser of hot mist machine, in being applied to, low culm plant disease control.In use with hot mist machine, active component gasified and condense, with superfine powder, keep certain height drift in air, when running into plant, just can be adsorbed in securely on the plant corpuss such as plant leaf blade positive and negative and stem, for control of plant disease.Simultaneously this product also can be used as the conventional oil suspending agent and is watered and sprays.
Technical scheme of the present invention is:
A kind of thermal fog that contains tmtd and Fluoxastrobin is characterized in that: its each raw material components is by mass percentage: tmtd 20-35%, Fluoxastrobin 2-8%, hot fog density conditioning agent 3-5%, botanical fungicide 2-4%, surfactant 6-8%, defoamer 0.1-1%, all the other components are smoke agent;
Described smoke agent is one or more the mixture in diesel oil, soybean oil, rapeseed oil;
Described surfactant is a kind of in emulsifier NP-9, Emulsifier O-15, emulsifier NP-10, emulsifier fatty alcohol-polyoxyethylene ether or wherein several mixing.
Described hot fog density conditioning agent is one or more mixing in white carbon, powdered whiting, kaolin, diatomite, attapulgite;
Described defoamer is one or both mixing in dimethyl siloxane, octanol;
The preparation method of described botanical fungicide is as follows:
(1) get the raw material of following weight portion:
Celastrus angulatus 12-16, Sophora alopecuroide 10-15, castor bean leaf 8-12, common calla 14-18, ivy 10-15, cubeb litsen tree 5-10, PERICARPIUM ARECAE 16-22, Inula britannica chinensis 8-12, Artemisia scoparia 10-15, kiss-me 15-20, Pagoda Flower 12-16, purpleflower holly bark 5-10, clover root 10-15, azedarach 7-11, hairyvein agrimony 5-10;
(2) above-mentioned raw materials was pulverized to the 50-100 mesh sieve, and added 5-10 times of water boiling and extraction 1-1.5h, and filtered, filter residue adds 4-6 times of water boiling and extraction 40-60min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
A kind of thermal fog that contains tmtd and Fluoxastrobin is characterized in that: its each raw material is by mass percentage: tmtd 20-35%, Fluoxastrobin 5-8%, hot fog density conditioning agent 3-5%, botanical fungicide 2-4%, surfactant 6-8%, defoamer 0.1-1%, all the other components are smoke agent.
A kind of thermal fog that contains tmtd and Fluoxastrobin is characterized in that: its each raw material is by mass percentage: tmtd 20-35%, Fluoxastrobin 5-6%, hot fog density conditioning agent 3-5%, botanical fungicide 2-4%, surfactant 6-8%, defoamer 0.1-1%, all the other components are smoke agent.
A kind of thermal fog preparation method who contains tmtd and Fluoxastrobin, it is characterized in that: tmtd, Fluoxastrobin, hot fog density conditioning agent, botanical fungicide, surfactant, defoamer and smoke agent are fully mixed, then import in sand mill, be processed into the oil suspensions system of 3-5 μ m particle, then with smoke agent, adjust tmtd and Fluoxastrobin content, packing, get product after the assay was approved.
The present invention can add traditional synergist, stabilizing agent or other effective active composition, improves the drug effect of tmtd and Fluoxastrobin thermal fog or improves its physicochemical property.
Using method of the present invention: the thermal fog that will contain tmtd and Fluoxastrobin, every mu of ground press 100-150g dosage to water to 300-400mL, after fully mixing, add hot mist machine explosive barrel, after starting hot mist machine, open spray medicine switch and can eject the hot mist of superfine pastille, while on the plants such as wheat, rape and corn, using, the hot fog colloidal sol formed can spread in plant canopy, and is deposited on plant surface uniformly.Be mainly used in the control to corn, rape and sunflower fungal disease, also can be used for other crop fungal disease controls.
Advantage of the present invention:
(1) the dispenser operating efficiency is high, saving of work and time.Its operating efficiency is 15-20 times of conventional spraying, is the efficient application method that is only second to the aviation operation, can greatly save dispenser recruitment and cost.
(2) save agricultural chemicals, drug effect is high, and the lasting period is long.Use thermal fog of the present invention for every mu, only need the 75-80% by other formulation active ingredient of identical agricultural chemicals, can reach same drug effect.Its main cause is that hot mist powder diameter is more much lower than regular dosage form, and dispersity is high, and active ingredient is more evenly distributed on plant, more easily contact with target.
(3) resistance of rainwater washing against.Conventional pesticide formulation such as wetting powder, missible oil and suspending agent, during use, be watered spraying, because plant surface tension force is lower, thereby the easy landing of droplet, while especially meeting rain, can be washed, and hot fog particles is deposited on plant, because surface tension own is extremely low, and particle diameter is little, strong with the plant surface absorption affinity, penetration power is strong, and dispenser also can do as usual when spotting.
(4) can be used in, low culm plant.Thermal fog in the past with the hot mist of hot mist machine ejection because density is lower, easily with ascending air, diffuse into atmosphere, not only drug effect descends, also easily cause environmental pollution, it is more obvious when especially higher at wind-force or fine day ascending air is stronger, be only applicable to the plant of tall and big concealment (as forest, fruit tree) or the space of relatively sealing (as warehouse, greenhouse), and the present invention is owing to having used hot fog density regulation technology, the diffusion of keeping certain height in air, when running into plant, just can be adsorbed in securely plant surface, can be at wheat with this, corn, in rape etc., on low culm plant, use.
(5) environmental pollution is little.Can reduce simultaneously operating personnel's labour intensity and reduce the contamination risk.Conventional spraying endangers seriously operating personnel, particularly situation is even more serious when the middle and late growth stage such as corn, Rapeseed Field dispenser, liquid runs off in a large number in soil simultaneously, pollute, and spray thermal fog, the people carries on the back the dispenser with the wind of hot mist machine, little field (in 2 mu) is not with going to the field, minimum on the human body impact, the droplet overwhelming majority deposits and is adsorbed in plant surface, little to environmental influence.
(6) water saving.Conventional spraying, more than every mu of water 50kg, and only need spraying preparation 100-150g with every mu of thermal fog of the present invention, and water 200-300g gets final product.This advantage is particularly suitable for water-deficient area, especially applicable to corn, wheat, the rape of middle and later periods.
The accompanying drawing explanation
Fig. 1 is the thermal fog preparation technology flow chart that contains tmtd and Fluoxastrobin.
Embodiment
For description effect, below, with formula in embodiment 1 to embodiment 6, be processed into thermal fog, and for field trial, result of the test is listed in table 1, with this, effect of the present invention is described, but does not limit so.
Embodiment 1
Composition of raw materials: by mass percentage
The preparation method of above-mentioned bactericide:
(1) get the raw material of following weight (g): Celastrus angulatus 15, Sophora alopecuroide 12, castor bean leaf 10, common calla 16, ivy 12, cubeb litsen tree 8, PERICARPIUM ARECAE 20, Inula britannica chinensis 8, Artemisia scoparia 12, kiss-me 16, Pagoda Flower 14, purpleflower holly bark 8, clover root 12, azedarach 9, hairyvein agrimony 8;
(2) above-mentioned raw materials was pulverized to 80 mesh sieves, and added 8 times of water boiling and extraction 1h, and filtered, filter residue adds 5 times of water boiling and extraction 50min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
The preparation method of thermal fog: tmtd, Fluoxastrobin, hot fog density conditioning agent, botanical fungicide, surfactant, defoamer and smoke agent (diesel oil total amount 3/4) are fully mixed, then import in sand mill, be processed into the oil suspensions system of micron particles, then with the diesel oil of surplus, adjust tmtd and Fluoxastrobin content, after qualified, get product.
Embodiment 2
Composition of raw materials: by mass percentage
The preparation method of above-mentioned botanical fungicide:
(1) get the raw material of following weight (g): Celastrus angulatus 12, Sophora alopecuroide 15, castor bean leaf 10, common calla 16, ivy 15, cubeb litsen tree 8, PERICARPIUM ARECAE 18, Inula britannica chinensis 10, Artemisia scoparia 12, kiss-me 18, Pagoda Flower 16, purpleflower holly bark 8, clover root 12, azedarach 10, hairyvein agrimony 8;
(2) above-mentioned raw materials was pulverized to 60 mesh sieves, and added 8 times of water boiling and extraction 1h, and filtered, filter residue adds 6 times of water boiling and extraction 60min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
The preparation method of thermal fog: with embodiment 1, diesel oil changes soybean oil into.
Embodiment 3
Composition of raw materials: by mass percentage
The preparation method of above-mentioned botanical fungicide:
(1) get the raw material of following weight (g): Celastrus angulatus 16, Sophora alopecuroide 10, castor bean leaf 8, common calla 16, ivy 12, cubeb litsen tree 7, PERICARPIUM ARECAE 18, Inula britannica chinensis 10, Artemisia scoparia 15, kiss-me 17, Pagoda Flower 15, purpleflower holly bark 8, clover root 10, azedarach 8, hairyvein agrimony 10;
(2) above-mentioned raw materials was pulverized to 80 mesh sieves, and added 10 times of water boiling and extraction 1.5h, and filtered, filter residue adds 5 times of water boiling and extraction 50min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
The preparation method of thermal fog: with embodiment 1, diesel oil changes soybean oil into.
Embodiment 4
Composition of raw materials: by mass percentage
The preparation method of above-mentioned botanical fungicide:
(1) get the raw material of following weight (g): Celastrus angulatus 15, Sophora alopecuroide 12, castor bean leaf 8, common calla 15, ivy 14, cubeb litsen tree 8, PERICARPIUM ARECAE 18, Inula britannica chinensis 10, Artemisia scoparia 12, kiss-me 19, Pagoda Flower 16, purpleflower holly bark 6, clover root 10, azedarach 11, hairyvein agrimony 6;
(2) above-mentioned raw materials was pulverized to 100 mesh sieves, and added 7 times of water boiling and extraction 1h, and filtered, filter residue adds 4 times of water boiling and extraction 40min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
The preparation method of thermal fog: with embodiment 1, diesel oil changes rapeseed oil into.
Embodiment 5
Composition of raw materials: by mass percentage
The preparation method of above-mentioned botanical fungicide:
(1) get the raw material of following weight (g): Celastrus angulatus 12, Sophora alopecuroide 15, castor bean leaf 12, common calla 16, ivy 5, cubeb litsen tree 6, PERICARPIUM ARECAE 18, Inula britannica chinensis 10, Artemisia scoparia 10, kiss-me 16, Pagoda Flower 14, purpleflower holly bark 8, clover root 12, azedarach 8, hairyvein agrimony 10;
(2) above-mentioned raw materials was pulverized to 100 mesh sieves, and added 8 times of water boiling and extraction 1.5h, and filtered, filter residue adds 4 times of water boiling and extraction 40min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
The preparation method of thermal fog: with embodiment 1, diesel oil changes rapeseed oil into.
Embodiment 6
Composition of raw materials: by mass percentage
The preparation method of above-mentioned botanical fungicide:
(1) get the raw material of following weight (g): Celastrus angulatus 15, Sophora alopecuroide 12, castor bean leaf 10, common calla 16, ivy 12, cubeb litsen tree 8, PERICARPIUM ARECAE 18, Inula britannica chinensis 10, Artemisia scoparia 12, kiss-me 18, Pagoda Flower 14, purpleflower holly bark 10, clover root 15, azedarach 7, hairyvein agrimony 8;
(2) above-mentioned raw materials was pulverized to 50 mesh sieves, and added 6 times of water boiling and extraction 1h, and filtered, filter residue adds 4 times of water boiling and extraction 40min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
The preparation method of thermal fog: with embodiment 1, diesel oil changes 1:1 rapeseed oil diesel oil into.
According to aforementioned proportion, Fluoxastrobin and tmtd are processed into to thermal fog, corn southern leaf blight, corn banded sclerotial blight, sclerotinia rot of colza, sclerotium blight of sunflower have been carried out to the control test, in the dispenser of crop pest their early stage, with mist sprayer in contrast, effect is as follows:
Table 1 contains the control efficiency of the thermal fog of tmtd and Fluoxastrobin to crop pest
| Project | Implementation method | Crop | Controlling object | Control efficiency |
| Embodiment 1 | The hot mist machine of 120g/ mu spraying hot mist | Corn | Helminthosporium maydis | 72.13% |
| CK* | The contrast of mist sprayer atomizing | Corn | Helminthosporium maydis | 68.43% |
| CK1 | 50% tmtd 200g/ mu atomizing | Corn | Helminthosporium maydis | 49.56% |
| CK2 | 25% Fluoxastrobin 40ml/ mu atomizing | Corn | Helminthosporium maydis | 68.38% |
| Embodiment 2 | The hot mist machine of 120g/ mu spraying hot mist | Corn | Banded sclerotial blight | 68.17% |
| CK | The contrast of mist sprayer atomizing | Corn | Banded sclerotial blight | 64.23 |
| Embodiment 3 | The hot mist machine of 120g/ mu spraying hot mist | Rape | Stalk break | 84.23% |
| CK | The contrast of mist sprayer atomizing | Rape | Stalk break | 76.47 |
| CK1 | 50% tmtd 200g/ mu atomizing | Rape | Stalk break | 50.72% |
| CK2 | 25% Fluoxastrobin 40ml/ mu atomizing | Rape | Stalk break | 77.13% |
| Embodiment 4 | The hot mist machine of 120g/ mu spraying hot mist | Sunflower | Stalk break | 85.53% |
| CK | The contrast of mist sprayer atomizing | Sunflower | Stalk break | 80.67 |
| Embodiment 5 | The hot mist machine of 150g/ mu spraying hot mist | Sunflower | Stalk break | 80.37% |
| CK | The contrast of mist sprayer atomizing | Sunflower | Stalk break | 73.53 |
| Embodiment 6 | The hot mist machine of 150g/ mu spraying hot mist | Sunflower | Stalk break | 87.33% |
| CK | The contrast of mist sprayer atomizing | Sunflower | Stalk break | 84.43 |
| CK1 | 50% tmtd 200g/ mu atomizing | Sunflower | Stalk break | 52.46% |
| CK2 | 25% Fluoxastrobin 40ml/ mu atomizing | Sunflower | Stalk break | 78.84% |
* annotate: all contrasts (CK) are all used with 50% thiram wettable powder of embodiment equal in quality active ingredient and are added 10% Fluoxastrobin suspending agent.
As can be seen from the above table, Fluoxastrobin and the tmtd thermal fog prepared according to the above ratio, preventive effect to corn southern leaf blight is 72.1%, preventive effect to the corn banded sclerotial blight is 68.14%, preventive effect to sclerotinia rot of colza is 84.23%, the different content thermal fog is respectively 80.36%, 85.53% and 87.36% to the preventive effect of sclerotium blight of sunflower, has all shown preventive effect preferably.The tmtd single dose is respectively 49.56%, 50.72%, 52.46% to the preventive effect of corn stigma, rape sclerotium, sclerotium blight of sunflower; The Fluoxastrobin single dose is respectively 68.38%, 77.13%, 78.84% to the preventive effect of corn stigma, rape sclerotium, sclerotium blight of sunflower.Result shows: with unitary agent, compare, shown synergistic effect.
Above-mentioned thermal fog is easy to use, and there is good facilitation time and labour saving to the problem of preventing and treating that solves crop middle and later periods damage by disease and insect.
Claims (4)
1. thermal fog that contains tmtd and Fluoxastrobin, it is characterized in that: its each raw material components is by mass percentage: tmtd 20-35%, Fluoxastrobin 2-8%, hot fog density conditioning agent 3-5%, botanical fungicide 2-4%, surfactant 6-8%, defoamer 0.1-1%, all the other components are smoke agent;
Described smoke agent is one or more the mixture in diesel oil, soybean oil, rapeseed oil;
Described surfactant is a kind of in emulsifier NP-9, Emulsifier O-15, emulsifier NP-10, emulsifier fatty alcohol-polyoxyethylene ether or wherein several mixing;
Described hot fog density conditioning agent is one or more mixing in white carbon, powdered whiting, kaolin, diatomite, attapulgite;
Described defoamer is one or both mixing in dimethyl siloxane, octanol;
The preparation method of described botanical fungicide is as follows:
(1) get the raw material of following weight portion:
Celastrus angulatus 12-16, Sophora alopecuroide 10-15, castor bean leaf 8-12, common calla 14-18, ivy 10-15, cubeb litsen tree 5-10, PERICARPIUM ARECAE 16-22, Inula britannica chinensis 8-12, Artemisia scoparia 10-15, kiss-me 15-20, Pagoda Flower 12-16, purpleflower holly bark 5-10, clover root 10-15, azedarach 7-11, hairyvein agrimony 5-10;
(2) above-mentioned raw materials was pulverized to the 50-100 mesh sieve, and added 5-10 times of water boiling and extraction 1-1.5h, and filtered, filter residue adds 4-6 times of water boiling and extraction 40-60min again, filter, and merging filtrate, concentrated, the low temperature drying powdered gets final product.
2. a kind of thermal fog that contains tmtd and Fluoxastrobin according to claim 1, it is characterized in that: its each raw material is by mass percentage: tmtd 20-35%, Fluoxastrobin 5-8%, hot fog density conditioning agent 3-5%, botanical fungicide 2-4%, surfactant 6-8%, defoamer 0.1-1%, all the other components are smoke agent.
3. a kind of thermal fog that contains tmtd and Fluoxastrobin according to claim 1, it is characterized in that: its each raw material is by mass percentage: tmtd 20-35%, Fluoxastrobin 5-6%, hot fog density conditioning agent 3-5%, botanical fungicide 2-4%, surfactant 6-8%, defoamer 0.1-1%, all the other components are smoke agent.
4. a kind of thermal fog preparation method who contains tmtd and Fluoxastrobin according to claim 1, it is characterized in that: tmtd, Fluoxastrobin, hot fog density conditioning agent, botanical fungicide, surfactant, defoamer and smoke agent are fully mixed, then import in sand mill, be processed into the oil suspensions system of 3-5 μ m particle, then with smoke agent, adjust tmtd and Fluoxastrobin content, packing, get product after the assay was approved.
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Cited By (1)
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| CN111685111A (en) * | 2020-06-01 | 2020-09-22 | 广西雅胜环境科技有限公司 | Water-based environment-friendly auxiliary agent special for smoke cooling machine and application thereof |
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