CN109315429A - A kind of water dispersed nimbin granule and preparation method thereof of prevention and control anthracnose of tobacco - Google Patents
A kind of water dispersed nimbin granule and preparation method thereof of prevention and control anthracnose of tobacco Download PDFInfo
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- CN109315429A CN109315429A CN201811459732.1A CN201811459732A CN109315429A CN 109315429 A CN109315429 A CN 109315429A CN 201811459732 A CN201811459732 A CN 201811459732A CN 109315429 A CN109315429 A CN 109315429A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/26—Meliaceae [Chinaberry or Mahogany family], e.g. mahogany, langsat or neem
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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Abstract
The invention discloses a kind of water dispersed nimbin granules and preparation method thereof of prevention and control anthracnose of tobacco, the water dispersed nimbin granule comprises the following components in percentage by weight: nimbin 0.3~1%, nim oil 5~8%, dispersing agent 10~15%, wetting agent 5~10%, adsorbent 5~10%, soluble starch 5~10%, finally adds to 100% with kaolin.The water dispersed nimbin granule can widen the use scope of nimbin medicament; extend the lasting period; improve drug effect; and it can spray in time protection in anthracnose of tobacco early stage; anthracnose of tobacco can not only be prevented and treated, the other insect pests of prevention and control mitigate the harm of its pest and disease damage; the planting cost that environment can also be protected, save tobacco grower, meets the control method of " green agriculture " pest and disease damage very much.
Description
Technical field
The invention belongs to the technical fields of prevention and control anthracnose of tobacco medicament, and in particular to a kind of print of prevention and control anthracnose of tobacco
Chinaberry element water dispersible granules and preparation method thereof.
Background technique
Tobacco is the annual herb plant for originating in America, and China is passed to about at the beginning of the 17th century.Currently as China's weight
The economic plants wanted, tax revenue accounts for the 1/10 of fiscal revenues, while China as maximum tobacco leaf production state in the world and disappears
The total output and total sales volume of Fei Guo, Chinese tobacco and its product account for 30% of the world or so, are exported to Southeast Asia, America and Europe, north African etc.
International market.
With the aggravation of farming activities, the planting area of a large amount of applications of chemical fertilizer, single variety increases, insecticide, sterilization
The abuse etc. of agent causes itself anti-adversity ability of tobacco declining, not only the no stability contorting of pest and disease damage, has become influence instead
The critical issue of tobacco leaf production.According to incompletely statistics, direct economic loss caused by the annual tobacco diseases in China 700,000,000 yuan with
On.In order to ensure the quality and yield of tobacco and its product, reduce harm brought by disease, prevent its disease with tobacco and
The trade of its product is incoming elsewhere, therefore effective prevention and control measure and method are current main research hotspots.
Major Diseases one of of the anthracnose of tobacco as tobacco are to be infected to cause by Fungi Imperfecti Colletotrichum colletotrichum
Tikka class disease.Can all it occur in each growth and development stage of tobacco, universal and serious with seedling stage generation, especially cigarette district is intensive
Occur more universal in seedling raising process, general disease leaf rate is 5%~20%, serious up to 90%~100%, or even cause whole
Strain is dead.This is also the common disease of tobacco field period, and source of infection is mainly sick seedling, followed by soil, and when morbidity often makes
Full wafer tobacco seedlings destroy, and have seriously affected the yield and quality of tobacco, and very big loss is caused in economic benefit.
Chemical agent mainly is utilized to the prevention and treatment of the disease at present, although playing in tobacco leaf production highly important
Effect, but chemical pesticide for a long time, repeatedly and is largely used, it will cause the excessive pesticide residues of tobacco leaf, influence the quality of tobacco leaf
And human health, cause the pollution of soil, water body and atmosphere, at the same pesticide can also kill germ, pest nature natural enemy,
So that the ecological balance is constantly wrecked, so that biological control fails rationally to apply, causes the rampant once again of pest and disease damage and generate anti-
Pharmacological property, therefore dosage is increasing, forms vicious circle, this not only adds production costs, also exacerbate " 3R " problem.
So taking other to effectively prevent measure carries out integrated control to the disease, it has also become a kind of inexorable trend, wherein
The research of botanical pesticide is increasingly becoming the object of controlling plant diseases, economic, safe and effective botanical pesticide control measure
Also it is increasingly valued by people.
Summary of the invention
In order to solve the above problems existing in the present technology, it avoids using organic solvent, improves containing for nimbin in preparation
Amount and stability improve drug effect, and the present invention provides a kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco and its preparations
Method.
The technical scheme adopted by the invention is as follows:
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, is to comprise the following components in percentage by weight:
Finally, adding to 100% with kaolin.
Further, the water dispersed nimbin granule is to comprise the following components in percentage by weight:
Finally, adding to 100% with kaolin.
Further, the water dispersed nimbin granule is to comprise the following components in percentage by weight:
Finally, adding to 100% with kaolin.
Further, the water dispersed nimbin granule is to comprise the following components in percentage by weight: 0.3% print chinaberry
Element, 8% nim oil, 14% dispersing agent, 8% wetting agent, 5% adsorbent, 10% soluble starch, 54.7% kaolin；
Or comprise the following components in percentage by weight: 0.3% nimbin, 5% nim oil, 14% dispersing agent, 8% profit
Humectant, 5% adsorbent, 10% soluble starch, 57.7% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 8% nim oil, 14% dispersing agent, 8% wetting
Agent, 5% adsorbent, 10% soluble starch, 54% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 5% nim oil, 14% dispersing agent, 8% wetting
Agent, 5% adsorbent, 10% soluble starch, 57% kaolin；
Or comprise the following components in percentage by weight: 0.7% nimbin, 6% nim oil, 14% dispersing agent, 8% profit
Humectant, 5% adsorbent, 10% soluble starch, 56.3% kaolin.
Further, the water dispersed nimbin granule is to comprise the following components in percentage by weight: 0.3% print chinaberry
Element, 8% nim oil, 11% dispersing agent, 6% wetting agent, 9% adsorbent, 5% soluble starch, 60.7% kaolin；
Or comprise the following components in percentage by weight: 0.3% nimbin, 5% nim oil, 11% dispersing agent, 6% profit
Humectant, 9% adsorbent, 5% soluble starch, 63.7% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 8% nim oil, 11% dispersing agent, 6% wetting
Agent, 9% adsorbent, 5% soluble starch, 60% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 5% nim oil, 11% dispersing agent, 6% wetting
Agent, 9% adsorbent, 5% soluble starch, 63% kaolin；
Or comprise the following components in percentage by weight: 0.7% nimbin, 6% nim oil, 11% dispersing agent, 6% profit
Humectant, 9% adsorbent, 5% soluble starch, 62.3% kaolin.
Further, the dispersing agent is made of Morwet D-110 and TERSPERSE 2700；The wetting agent
It is made of Morwet EFW and lauryl sodium sulfate；The adsorbent is white carbon black.
The preparation method of the water dispersed nimbin granule of above-mentioned prevention and control anthracnose of tobacco, its step are as follows:
(1) weighing and proportioning is carried out to various components, first mixes adsorbent and nim oil, added nimbin original powder, divide
Powder, wetting agent, soluble starch and kaolin mixing, carry out air-flow crushing after continuously adding a small amount of disintegrating agent mixed-forming；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading；
(3) particle after kneading is dried, and is packed after screening out granula.
Wherein, the aqueous solution containing bonding agent is mixed by the bonding agent and water that weight ratio is 100:13 in the step (2)
It is made；By the particle drying after kneading to moisture≤2% in the step (3)；The granularity of granula is screened out in the step (3)
For 250um-1180um.
The invention has the benefit that
1, nimbin has important meaning in terms of solving pesticide residue and protection environment as universally acknowledged environment friendly agricultural
Justice, it not only wide spectrum, efficiently, low toxicity, but also degradable, noresidue contains plurality of active ingredients in nimbin, is natural mixed
Pest is set to be not likely to produce drug resistance the mode of action multiplicity of pest with multiple agent, it is safer to non-target organism, normally make
Used time is to crop without obvious phytotoxicity.
2, it is compounded on tobacco using nimbin and nim oil, can not only prevent and treat the diseases such as anthracnose of tobacco, simultaneously also
It can play the role of prevention and control to pests such as cigarette aphid, oriental tobacco budworm, cigarette red spiders.
3, the dosage form of current nimbin is mostly missible oil, and solvent mostly uses the light aromatic hydrocarbons such as benzene,toluene,xylene, in life
It produces, store, the accidents such as burning, explosion, poisoning easily occur in transportational process, and increasing the pollution to environment in use process.
Water dispersible granules are one of the novel forms of formulations of pesticide solid particle, are the green pesticide forms generally acknowledged both at home and abroad at present.
4, after water dispersible granules are made in nimbin, the use scope of medicament can be widened, extends the lasting period, improves drug effect, together
When due to be free of organic solution, both alleviated the destruction to ecological environment, and also reduced production cost.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but embodiments of the present invention are not limited to this.
Embodiment 1
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 0.3%
Nimbin, 8% nim oil, 12%Morwet D-110,2700 2%TERSPERSE, 3%Morwet EFW, 5% dodecyl
Sodium sulphate, 5% white carbon black, 10% soluble starch, 54.7% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 1% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to granula
It is packed after carrying out performance detection.
Embodiment 2
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 0.3%
Nimbin, 5% nim oil, 12%Morwet D-110,2700 2%TERSPERSE, 3%Morwet EFW, 5% dodecyl
Sodium sulphate, 5% white carbon black, 10% soluble starch, 57.7% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 0.5% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to grain
Agent is packed after carrying out performance detection.
Embodiment 3
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 1% print
Chinaberry element, 8% nim oil, 12%Morwet D-110,2700 2%TERSPERSE, 3%Morwet EFW, 5% dodecyl sulphur
Sour sodium, 5% white carbon black, 10% soluble starch, 54% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 2% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to granula
It is packed after carrying out performance detection.
Embodiment 4
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 1% print
Chinaberry element, 5% nim oil, 12%Morwet D-110,2700 2%TERSPERSE, 3%Morwet EFW, 5% dodecyl sulphur
Sour sodium, 5% white carbon black, 10% soluble starch, 57% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 1.2% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to grain
Agent is packed after carrying out performance detection.
Embodiment 5
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 0.7%
Nimbin, 6% nim oil, 12%Morwet D-110,2700 2%TERSPERSE, 3%Morwet EFW, 5% dodecyl
Sodium sulphate, 5% white carbon black, 10% soluble starch, 56.3% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 1.5% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to grain
Agent is packed after carrying out performance detection.
Embodiment 6
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 0.3%
Nimbin, 8% nim oil, 9%Morwet D-110,2700 2%TERSPERSE, 2%Morwet EFW, 4% dodecyl
Sodium sulphate, 9% white carbon black, 5% soluble starch, 60.7% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 1% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to granula
It is packed after carrying out performance detection.
Embodiment 7
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 1% print
Chinaberry element, 8% nim oil, 9%Morwet D-110,2700 2%TERSPERSE, 2%Morwet EFW, 4% dodecyl sulphur
Sour sodium, 9% white carbon black, 5% soluble starch, 60% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 1.5% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to grain
Agent is packed after carrying out performance detection.
Embodiment 8
A kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, comprises the following components in percentage by weight: 0.7%
Nimbin, 6% nim oil, 9%Morwet D-110,2700 2%TERSPERSE, 2%Morwet EFW, 4% dodecyl
Sodium sulphate, 9% white carbon black, 5% soluble starch, 62.3% kaolin.
Extrusion granulation mode is taken to prepare the water dispersed nimbin granule of the prevention and control anthracnose of tobacco, specific steps are as follows:
(1) weighing and proportioning is carried out to various components, first adsorbent (white carbon black) and nim oil is mixed, add nimbin
Original powder, wetting agent (MorwetEFW, lauryl sodium sulfate), carries dispersing agent (Morwet D-110, TERSPERSE 2700)
Body (soluble starch and kaolin) mixing, continuously adds a small amount of disintegrating agent mixed-forming, makes its average particle size through air-flow crushing
< 5um；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading,
The weight ratio of middle bonding agent and water is 100:13；
(3) it is 2% by particle drying to moisture, and screens out the granula that granularity is 250um-1180um, finally to granula
It is packed after carrying out performance detection.
Embodiment 9
Water dispersed nimbin granule product obtained by embodiment 1 is tested:
Test objective: verifying water dispersed nimbin granule obtained by embodiment 1 to the control effect of anthracnose of tobacco, and
Safety to crop.
Test medicine: water dispersed nimbin granule obtained by embodiment 1
80% Zineb wettable powder (Limin Chemical Co., Ltd.'s production)
Test process: 15 experimental plots, plot area 36m are set altogether2, 150 plants of cigarette strains of every cell, surrounding sets protection
Row carries out the processing of A, B, C, D, CK5 kind, 3 repetitions, random district's groups arrangement respectively.
A. 600 times of liquid of water dispersed nimbin granule obtained by embodiment 1
B. 500 times of liquid of water dispersed nimbin granule obtained by embodiment 1
C. 400 times of liquid of water dispersed nimbin granule obtained by embodiment 1
D.80% 800 times of liquid of Zineb wettable powder
CK. clear water
Application period: the application of anthracnose of tobacco early period of origination sprays 1 time every 7-10d later, sprays 3 times altogether.
Application method: taking a point cell to weigh, and after mixing for application product and clear water, carries out blade face even spraying.
Test result:
1 water dispersed nimbin granule prevention and control anthracnose of tobacco test result of table
The field experiment preventive effect investigation of prevention and control anthracnose of tobacco shows: 3 repetitions, 15 tests that 5 processing are set altogether are small
Area, under the substantially uniform unanimous circumstances of experimental condition, all medicaments do not generate phytotoxicity in field, and the field of all medicaments is anti-
Effect has preferable control effect to anthracnose of tobacco 50% or more.Later from medicine three times, A, B, C treatment agent pair
The average preventive effect of anthracnose of tobacco is respectively 70.2%, 76.2%, 79.4%, with the increase of dosage, anthracnose of tobacco
Disease incidence gradually decreases, and the preventive effect of anthracnose of tobacco is gradually increased.Water dispersed nimbin granule obtained by embodiment 1 exists
400 times of liquid dosages are close with the preventive effect of 80% 800 times of liquid of Zineb wettable powder of comparison medicament.Compared with clear water control,
The control effect of each treatment agent is significant.Tests prove that water dispersed nimbin granule obtained by embodiment 1 is in 400 times of liquid
Control effect is good under dosage, is worthy of further application.
By above-mentioned test as it can be seen that the water dispersed nimbin granule sprays protection in time in anthracnose of tobacco early stage,
Anthracnose of tobacco can not only be prevented and treated, the other insect pests of prevention and control mitigate causing harm for its pest and disease damage, moreover it is possible to protect environment, save tobacco grower's
Planting cost meets the control method of " green agriculture " pest and disease damage very much.Anthracnose of tobacco is prevented and treated in field period, it should be to cultivate pipe
Based on reason, then it is aided with chemical agent in conjunction with this medicament Synthetical prevention, when causing harm serious and prevents and treats jointly, just can control the hair of disease
Exhibition.
Embodiment 2-8 prepares obtained water dispersed nimbin granule product in production application, after applying medicament
The anthracnose disease incidence of the anthracnose disease incidence tobacco of not applying medicament of tobacco be substantially reduced, it was demonstrated that the said goods are to cigarette
Careless anthracnose also has good control effect.
In conclusion nimbin has in terms of solving pesticide residue and protection environment as universally acknowledged environment friendly agricultural
It is significant, it not only wide spectrum, efficiently, low toxicity, but also degradable, noresidue contains plurality of active ingredients in nimbin, is
Natural mixture answers agent, to the mode of action multiplicity of pest, so that pest is not likely to produce drug resistance, compares peace to non-target organism
Entirely, when normal use to crop without obvious phytotoxicity.It is compounded on tobacco using nimbin and nim oil, can not only prevent and treat tobacco
The diseases such as anthracnose, while prevention and control can also be played the role of to pests such as cigarette aphid, oriental tobacco budworm, cigarette red spiders, moisture is made in nimbin
After shot agent, the use scope of medicament can be widened, extends the lasting period, drug effect is improved, had both alleviated the destruction to ecological environment,
Reduce production cost.The water dispersed nimbin granule can play good result to prevention and control anthracnose of tobacco, save the kind of tobacco grower
Cost is planted, the control method of " green agriculture " pest and disease damage is met very much, is suitble to promote and apply.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field
Those of ordinary skill disclosed the technical disclosures can make according to the present invention and various not depart from the other each of essence of the invention
The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.
Claims (10)
1. a kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco, it is characterised in that: the water dispersed nimbin granule
It is to comprise the following components in percentage by weight:
Finally, adding to 100% with kaolin.
2. a kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco according to claim 1, it is characterised in that: described
Water dispersed nimbin granule be to comprise the following components in percentage by weight:
Finally, adding to 100% with kaolin.
3. a kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco according to claim 1, it is characterised in that: described
Water dispersed nimbin granule be to comprise the following components in percentage by weight:
Finally, adding to 100% with kaolin.
4. a kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco according to claim 1, it is characterised in that: described
Water dispersed nimbin granule be to comprise the following components in percentage by weight: 0.3% nimbin, 8% nim oil, 14% dispersion
Agent, 8% wetting agent, 5% adsorbent, 10% soluble starch, 54.7% kaolin；
Or comprise the following components in percentage by weight: 0.3% nimbin, 5% nim oil, 14% dispersing agent, 8% wetting
Agent, 5% adsorbent, 10% soluble starch, 57.7% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 8% nim oil, 14% dispersing agent, 8% wetting agent,
5% adsorbent, 10% soluble starch, 54% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 5% nim oil, 14% dispersing agent, 8% wetting agent,
5% adsorbent, 10% soluble starch, 57% kaolin；
Or comprise the following components in percentage by weight: 0.7% nimbin, 6% nim oil, 14% dispersing agent, 8% wetting
Agent, 5% adsorbent, 10% soluble starch, 56.3% kaolin.
5. a kind of water dispersed nimbin granule of prevention and control anthracnose of tobacco according to claim 1, it is characterised in that: described
Water dispersed nimbin granule be to comprise the following components in percentage by weight: 0.3% nimbin, 8% nim oil, 11% dispersion
Agent, 6% wetting agent, 9% adsorbent, 5% soluble starch, 60.7% kaolin；
Or comprise the following components in percentage by weight: 0.3% nimbin, 5% nim oil, 11% dispersing agent, 6% wetting
Agent, 9% adsorbent, 5% soluble starch, 63.7% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 8% nim oil, 11% dispersing agent, 6% wetting agent,
9% adsorbent, 5% soluble starch, 60% kaolin；
Or comprise the following components in percentage by weight: 1% nimbin, 5% nim oil, 11% dispersing agent, 6% wetting agent,
9% adsorbent, 5% soluble starch, 63% kaolin；
Or comprise the following components in percentage by weight: 0.7% nimbin, 6% nim oil, 11% dispersing agent, 6% wetting
Agent, 9% adsorbent, 5% soluble starch, 62.3% kaolin.
6. a kind of water dispersed nimbin granule of -5 any prevention and control anthracnoses of tobacco, feature exist according to claim 1
In: the dispersing agent is made of Morwet D-110 and TERSPERSE 2700；The wetting agent by Morwet EFW and
Lauryl sodium sulfate composition；The adsorbent is white carbon black.
7. a kind of preparation method of the water dispersed nimbin granule of any prevention and control anthracnose of tobacco of claim 1-6,
Be characterized in that: the specific preparation method of the water dispersed nimbin granule includes the following steps:
(1) weighing and proportioning is carried out to various components, first mixes adsorbent and nim oil, add nimbin original powder, dispersing agent,
Wetting agent, soluble starch and kaolin mixing, carry out air-flow crushing after continuously adding a small amount of disintegrating agent mixed-forming；
(2) smashed powder is mixed again, the aqueous solution containing bonding agent is added dropwise, is fabricated to particle after kneading；
(3) particle after kneading is dried, and is packed after screening out granula.
8. a kind of preparation method of the water dispersed nimbin granule of prevention and control anthracnose of tobacco according to claim 7, special
Sign is: the aqueous solution containing bonding agent is mixed by the bonding agent and water that weight ratio is 100:13 in the step (2).
9. a kind of preparation method of the water dispersed nimbin granule of prevention and control anthracnose of tobacco according to claim 7, special
Sign is: by the particle drying after kneading to moisture≤2% in the step (3).
10. a kind of preparation method of the water dispersed nimbin granule of prevention and control anthracnose of tobacco according to claim 7, special
Sign is: the granularity that granula is screened out in the step (3) is 250um-1180um.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820230A (en) * | 2020-08-11 | 2020-10-27 | 成都绿金生物科技有限责任公司 | Azadirachtin for preventing and treating ginger nematode and preparation method thereof |
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| CN1402993A (en) * | 2002-09-28 | 2003-03-19 | 成都绿金生物科技有限责任公司 | Water dispersed nimbin granule and its prepn |
| CN101473849A (en) * | 2009-01-17 | 2009-07-08 | 邹一平 | Application of paraffin oil composition in preventing and treating diseases and pests of plant |
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|---|---|---|---|---|
| CN1402993A (en) * | 2002-09-28 | 2003-03-19 | 成都绿金生物科技有限责任公司 | Water dispersed nimbin granule and its prepn |
| CN101473849A (en) * | 2009-01-17 | 2009-07-08 | 邹一平 | Application of paraffin oil composition in preventing and treating diseases and pests of plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111820230A (en) * | 2020-08-11 | 2020-10-27 | 成都绿金生物科技有限责任公司 | Azadirachtin for preventing and treating ginger nematode and preparation method thereof |
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