CN103404540B - 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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- CN103404540B CN103404540B CN201310323256.1A CN201310323256A CN103404540B CN 103404540 B CN103404540 B CN 103404540B CN 201310323256 A CN201310323256 A CN 201310323256A CN 103404540 B CN103404540 B CN 103404540B
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- tmtd
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 title abstract description 4
- 239000004521 hot fogging concentrate Substances 0.000 title abstract 6
- 239000005730 Azoxystrobin Substances 0.000 title abstract 3
- WFDXOXNFNRHQEC-GHRIWEEISA-N azoxystrobin Chemical compound CO\C=C(\C(=O)OC)C1=CC=CC=C1OC1=CC(OC=2C(=CC=CC=2)C#N)=NC=N1 WFDXOXNFNRHQEC-GHRIWEEISA-N 0.000 title abstract 3
- 239000002994 raw material Substances 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 230000003750 conditioning effect Effects 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 12
- 239000005784 Fluoxastrobin Substances 0.000 claims description 34
- UFEODZBUAFNAEU-NLRVBDNBSA-N fluoxastrobin Chemical compound C=1C=CC=C(OC=2C(=C(OC=3C(=CC=CC=3)Cl)N=CN=2)F)C=1C(=N/OC)\C1=NOCCO1 UFEODZBUAFNAEU-NLRVBDNBSA-N 0.000 claims description 34
- 238000009835 boiling Methods 0.000 claims description 16
- 238000000605 extraction Methods 0.000 claims description 16
- 230000000855 fungicidal effect Effects 0.000 claims description 16
- 239000000417 fungicide Substances 0.000 claims description 16
- 239000013530 defoamer Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000002283 diesel fuel Substances 0.000 claims description 10
- 244000307697 Agrimonia eupatoria Species 0.000 claims description 8
- 235000003069 Artemisia scoparia Nutrition 0.000 claims description 8
- 241001249148 Artemisia scoparia Species 0.000 claims description 8
- 241000296609 Celastrus angulatus Species 0.000 claims description 8
- 241000404568 Clerodendrum speciosum Species 0.000 claims description 8
- 241000209035 Ilex Species 0.000 claims description 8
- 235000003332 Ilex aquifolium Nutrition 0.000 claims description 8
- 235000002296 Ilex sandwicensis Nutrition 0.000 claims description 8
- 235000002294 Ilex volkensiana Nutrition 0.000 claims description 8
- 241000253121 Inula britannica Species 0.000 claims description 8
- 240000003731 Piper cubeba Species 0.000 claims description 8
- 235000002711 Piper cubeba Nutrition 0.000 claims description 8
- 240000000528 Ricinus communis Species 0.000 claims description 8
- 235000004443 Ricinus communis Nutrition 0.000 claims description 8
- 241001145009 Sophora alopecuroides Species 0.000 claims description 8
- 241000219793 Trifolium Species 0.000 claims description 8
- 241000792914 Valeriana Species 0.000 claims description 8
- 240000001198 Zantedeschia aethiopica Species 0.000 claims description 8
- 235000000125 common agrimony Nutrition 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000003995 emulsifying agent Substances 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 4
- 235000012424 soybean oil Nutrition 0.000 claims description 4
- 239000003549 soybean oil Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 239000012053 oil suspension Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 241000276489 Merlangius merlangus Species 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 238000003556 assay Methods 0.000 claims description 2
- 229960000892 attapulgite Drugs 0.000 claims description 2
- -1 dimethyl siloxane Chemical class 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052625 palygorskite Inorganic materials 0.000 claims description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 abstract description 25
- 240000008042 Zea mays Species 0.000 abstract description 18
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 18
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 16
- 235000005822 corn Nutrition 0.000 abstract description 16
- 201000010099 disease Diseases 0.000 abstract description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 7
- 240000002791 Brassica napus Species 0.000 abstract description 4
- 241000209140 Triticum Species 0.000 abstract description 4
- 235000021307 Triticum Nutrition 0.000 abstract description 4
- 235000006008 Brassica napus var napus Nutrition 0.000 abstract description 3
- 238000011109 contamination Methods 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 abstract description 2
- 239000000575 pesticide Substances 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 239000003595 mist Substances 0.000 description 25
- 241000221696 Sclerotinia sclerotiorum Species 0.000 description 12
- 238000005507 spraying Methods 0.000 description 11
- 241000208818 Helianthus Species 0.000 description 9
- 235000003222 Helianthus annuus Nutrition 0.000 description 9
- 230000003449 preventive effect Effects 0.000 description 7
- 241001558929 Sclerotium <basidiomycota> Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000000857 drug effect Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 241000429811 Alternariaster helianthi Species 0.000 description 4
- 241000228438 Bipolaris maydis Species 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000375 suspending agent Substances 0.000 description 3
- 241001530056 Athelia rolfsii Species 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 2
- 208000031888 Mycoses Diseases 0.000 description 2
- 241000221662 Sclerotinia Species 0.000 description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 235000009973 maize Nutrition 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 235000004977 Brassica sinapistrum Nutrition 0.000 description 1
- 239000005843 Thiram Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000008041 oiling agent Substances 0.000 description 1
- 235000010603 pastilles Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003090 pesticide formulation Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- 239000004563 wettable powder Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Agricultural Chemicals And Associated Chemicals (AREA)
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 control of plant disease pesticide field, be specifically related to a kind of thermal fog containing tmtd and Fluoxastrobin and preparation method thereof.
Background technology
That produces both at home and abroad at present is the preparations such as wetting powder with the product of tmtd mixture, is difficult to directly carry out high-efficient homework with hot mist machine.The method dispenser that main employing water smoke sprays, the water smoke of formation easily runs off on plant, not resistance of rainwater washing against, and the lasting period is short, simultaneously large to the murder by poisoning of environment and operating personnel; Dilution water consumption is large, and labour intensity and activity duration are increased, at the bottom of effect.Thermal fog is studied comparatively 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, several thermal fog has been there is in the eighties in forest and the rubber extermination of disease and insect pest, but thermal fog up to now can only be used for the plant of tall and big concealment (as forest, fruit tree) or the space of opposing seal (as warehouse, greenhouse etc.) carry out dispenser, the space of opposing open or low stem plant can not be used for, reason is that the hot mist containing active ingredient easily diffuses into air with ascending air without during specially treated, not only drug effect declines, also easily environmental pollution is caused.
Summary of the invention
The invention provides a kind of thermal fog containing tmtd and Fluoxastrobin and preparation method thereof, prepared thermal fog dispenser efficiency is high, satisfactory for result, 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 active component gasified with hot mist machine and condenses, keeping certain height drift in atmosphere with superfine powder, 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 conventional oil suspending agent and is watered and sprays.
Technical scheme of the present invention is:
Contain a thermal fog for 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 the mixture of one or more in diesel oil, soybean oil, rapeseed oil;
Described surfactant is mixing a kind of or wherein several in emulsifier NP-9, Emulsifier O-15, emulsifier NP-10, emulsifier fatty alcohol-polyoxyethylene ether.
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) raw material of following weight portion is got:
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 50-100 mesh sieve, and added 5-10 times of water boiling and extraction 1-1.5h, filter, filter residue adds 4-6 times of water boiling and extraction 40-60min again, filters, merging filtrate, concentrated, low temperature drying powdered.
Contain a thermal fog for tmtd and Fluoxastrobin, 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.
Contain a thermal fog for tmtd and Fluoxastrobin, 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.
A kind of thermal fog preparation method containing 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 μm of particle, then with smoke agent adjustment tmtd and Fluoxastrobin content, pack after the assay was approved, get product.
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: by the thermal fog containing tmtd and Fluoxastrobin, 100-150g dosage is pressed to water to 300-400mL in every mu of ground, after abundant 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, when the plants such as wheat, rape and corn use, 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 the control of other crop fungal diseases.
Advantage of the present invention:
(1) 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 being only second to aviation operation, can greatly saves 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 with the 75-80% of other formulation active ingredient of identical agricultural chemicals, need 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 contacts with target.
(3) resistance of rainwater washing against.Conventional pesticide formulation is as wetting powder, missible oil and suspending agent, spraying is watered during use, because plant surface tension force is lower, the thus easy landing of droplet, can be washed when especially meeting rain, and hot fog particles is deposited on plant, because surface tension own is extremely low, and particle diameter is little, strong with plant surface absorption affinity, penetration power is strong, and also can do as usual when spotting dispenser.
(4) in can be used for, low culm plant.The hot mist that thermal fog in the past sprays with hot mist machine due to density lower, easily diffuse into air with ascending air, not only drug effect declines, also easily environmental pollution is caused, especially higher at wind-force or fine day ascending air is stronger time more obvious, be only applicable to the plant of tall and big concealment (as forest, fruit tree) or the space of opposing seal (as warehouse, greenhouse), and the present invention is owing to employing hot fog density regulation technology, to keep certain height in atmosphere diffusion, when running into plant, just can be adsorbed in plant surface securely, can at wheat with this, corn, in rape etc., low culm plant uses.
(5) environmental pollution is little.The labour intensity of operating personnel can be reduced simultaneously and reduce contamination risk.Conventional spraying endangers seriously to operating personnel, particularly as even more serious in situation when corn, Rapeseed Field dispenser at the middle and late growth stage, liquid runs off in a large number in soil simultaneously, pollute, and spray thermal fog, 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 to body effect, the droplet overwhelming majority deposits and is adsorbed in plant surface, little to environmental influence.
(6) economize on water.Conventional spraying, every mu of use more than water 50kg, and only need spraying preparation 100-150g with thermal fog every mu of the present invention, with water 200-300g.This advantage is particularly suitable for water-deficient area, especially applicable to the corn of middle and later periods, wheat, rape.
Accompanying drawing explanation
Fig. 1 is the thermal fog preparation technology flow chart containing tmtd and Fluoxastrobin.
Embodiment
In order to effect is described, below to fill a prescription in embodiment 1 to embodiment 6, be processed into thermal fog, and for field trial, result of the test lists in table 1, with this, effect of the present invention is described, but do not limit so.
Embodiment 1
Composition of raw materials: by mass percentage
The preparation method of above-mentioned bactericide:
(1) raw material of following weight (g) is got: 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 80 mesh sieves, and added 8 times of water boiling and extraction 1h, filter, filter residue adds 5 times of water boiling and extraction 50min again, filters, merging filtrate, concentrated, low temperature drying powdered.
The preparation method of thermal fog: tmtd, Fluoxastrobin, hot fog density conditioning agent, botanical fungicide, surfactant, defoamer and smoke agent (3/4 of diesel oil total amount) are fully mixed, then import in sand mill, be processed into the oil suspensions system of micron particles, then with diesel oil adjustment tmtd and the Fluoxastrobin content of surplus, after qualified, get product.
Embodiment 2
Composition of raw materials: by mass percentage
The preparation method of above-mentioned botanical fungicide:
(1) raw material of following weight (g) is got: 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 60 mesh sieves, and added 8 times of water boiling and extraction 1h, filter, filter residue adds 6 times of water boiling and extraction 60min again, filters, merging filtrate, concentrated, low temperature drying powdered.
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) raw material of following weight (g) is got: 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 80 mesh sieves, and added 10 times of water boiling and extraction 1.5h, filter, filter residue adds 5 times of water boiling and extraction 50min again, filters, merging filtrate, concentrated, low temperature drying powdered.
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) raw material of following weight (g) is got: 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 100 mesh sieves, and added 7 times of water boiling and extraction 1h, filter, filter residue adds 4 times of water boiling and extraction 40min again, filters, merging filtrate, concentrated, low temperature drying powdered.
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) raw material of following weight (g) is got: 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 100 mesh sieves, and added 8 times of water boiling and extraction 1.5h, filter, filter residue adds 4 times of water boiling and extraction 40min again, filters, merging filtrate, concentrated, low temperature drying powdered.
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) raw material of following weight (g) is got: 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 50 mesh sieves, and added 6 times of water boiling and extraction 1h, filter, filter residue adds 4 times of water boiling and extraction 40min again, filters, merging filtrate, concentrated, low temperature drying powdered.
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 thermal fog, have carried out controlling experiment to corn southern leaf blight, maize sheath blight, sclerotinia rot of colza, sclerotium blight of sunflower, in the dispenser of crop pest their early stage, with mist sprayer in contrast, effect is as follows:
Table 1 contains the thermal fog of tmtd and Fluoxastrobin to the control efficiency of crop pest
| Project | Implementation method | Crop | Controlling object | Control efficiency |
| Embodiment 1 | 120g/ mu hot mist machine spraying hot mist | Corn | Helminthosporium maydis | 72.13% |
| CK* | Mist sprayer atomizing contrasts | 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 | 120g/ mu hot mist machine spraying hot mist | Corn | Banded sclerotial blight | 68.17% |
| CK | Mist sprayer atomizing contrasts | Corn | Banded sclerotial blight | 64.23 |
| Embodiment 3 | 120g/ mu hot mist machine spraying hot mist | Rape | Stalk break | 84.23% |
| CK | Mist sprayer atomizing contrasts | 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 | 120g/ mu hot mist machine spraying hot mist | Sunflower | Stalk break | 85.53% |
| CK | Mist sprayer atomizing contrasts | Sunflower | Stalk break | 80.67 |
| Embodiment 5 | 150g/ mu hot mist machine spraying hot mist | Sunflower | Stalk break | 80.37% |
| CK | Mist sprayer atomizing contrasts | Sunflower | Stalk break | 73.53 |
| Embodiment 6 | 150g/ mu hot mist machine spraying hot mist | Sunflower | Stalk break | 87.33% |
| CK | Mist sprayer atomizing contrasts | 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% |
* note: all contrasts (CK) all add 10% Fluoxastrobin suspending agent with 50% thiram wettable powder with embodiment equal in quality active ingredient.
As can be seen from the above table, the Fluoxastrobin prepared according to the above ratio and tmtd thermal fog, be 72.1% to the preventive effect of corn southern leaf blight, 68.14% to the preventive effect of maize sheath blight, 84.23% to the preventive effect of sclerotinia rot of colza, the preventive effect of different content thermal fog to sclerotium blight of sunflower is respectively 80.36%, 85.53% and 87.36%, all shows good preventive effect.The preventive effect of tmtd single dose to corn stigma, rape sclerotium, sclerotium blight of sunflower is respectively 49.56%, 50.72%, 52.46%; The preventive effect of Fluoxastrobin single dose to corn stigma, rape sclerotium, sclerotium blight of sunflower is respectively 68.38%, 77.13%, 78.84%.Result shows: compared with unitary agent, shows synergistic effect.
Above-mentioned thermal fog is easy to use, time and labour saving, has good facilitation to the problem of preventing and treating solving crop middle and later periods damage by disease and insect.
Claims (4)
1. contain a thermal fog for 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 the mixture of one or more in diesel oil, soybean oil, rapeseed oil;
Described surfactant is mixing a kind of or wherein several in emulsifier NP-9, Emulsifier O-15, emulsifier NP-10, emulsifier fatty alcohol-polyoxyethylene ether;
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) raw material of following weight portion is got:
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 50-100 mesh sieve, and added 5-10 times of water boiling and extraction 1-1.5h, filter, filter residue adds 4-6 times of water boiling and extraction 40-60min again, filters, merging filtrate, concentrated, low temperature drying powdered.
2. a kind of thermal fog containing tmtd and Fluoxastrobin according to claim 1, 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 containing tmtd and Fluoxastrobin according to claim 1, 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 containing 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 μm of particle, then with smoke agent adjustment tmtd and Fluoxastrobin content, pack after the assay was approved, get product.
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