CN105820668B - Film and preparation method thereof is inhaled in the resistance of prevention and control rice hoppers - Google Patents

Film and preparation method thereof is inhaled in the resistance of prevention and control rice hoppers Download PDF

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Publication number
CN105820668B
CN105820668B CN201610358968.0A CN201610358968A CN105820668B CN 105820668 B CN105820668 B CN 105820668B CN 201610358968 A CN201610358968 A CN 201610358968A CN 105820668 B CN105820668 B CN 105820668B
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film
rice
prevention
sodium
resistance
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CN105820668A (en
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李明
徐雪凌
李荣玉
韩晶波
吴小毛
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Guizhou University
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Guizhou University
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
    • C09D105/04—Alginic acid; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • 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
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
    • 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
    • A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Plant Pathology (AREA)
  • Environmental Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Dentistry (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Toxicology (AREA)
  • Inorganic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Catching Or Destruction (AREA)

Abstract

The invention discloses a kind of resistances of prevention and control rice hoppers to inhale film and preparation method thereof, it is made of the raw material of following weight percent: 4%~6% sodium alginate, 2%~3% PVAC polyvinylalcohol -124,1%~1.5% Nano carbon white, 1%~2% sodium carboxymethylcellulose, 0.5% -1% sodium benzoate, 1% -2% organosilicon, remaining is water.It is product that each component, which is added to the water the milk-white coloured suspension for being uniformly mixed and obtaining, when preparation.Culm of Rice surface is sprayed on after the film is watered dilution; one layer of naked eyes can be formed and be difficult to the protective film layer seen; the film layer has certain thickness; and contain certain particulate matter; the piercing and sucking of planthopper can be prevented to cause harm; and Pesticide use amount can be greatly reduced, be conducive to protect environment and food safety.

Description

Film and preparation method thereof is inhaled in the resistance of prevention and control rice hoppers
Technical field
The present invention relates to a kind of resistances for preventing and treating rice hoppers to inhale film, which sprays behind rice stem surface Crop is protected under conditions of not influencing paddy growth situation, rice is made not caused harm by planthopper piercing and sucking, it can also be big Amplitude reduces pesticide dosage, protection environment, water source and rice safety.Belong to harmful organism green prevention and control field.
Background technique
Rice is that one of most important cereal crops, rice have very important effect to the development of the mankind in the world, Its production status is to the economic development in China and builds a harmonious society most important.However China's rice yield is every year by disease Loss is up to 400-500 ten thousand tons caused by insect pest.
Planthopper is one of important pests of rice, in recent years, Planthopper Outbreaks frequency increases year by year, occurrence degree by Year aggravates, and seriously threatens the safe high yield of rice.Planthopper not only threatens grain-production, but also to chemical pesticide high frequency The use of rate, high dose makes it generate very strong drug resistance, is easy to make it that ferocious stick up is caused harm again；The big portion of the chemical pesticide sprayed Divide as the approach such as water flow, crop metabolism residual is into underground water, soil and rice, seriously destroys natural environment, affects Food safety causes serious threat to the health of our mankind.
For maintaining ecological balance development, reduce pesticide, chemical fertilizer heavy pressure caused by environment, the edible peace of guarantee crop Entirely, control efficiency is improved, the mankind must select green, the integrated pest control method of sustainable development.With scientific skill The development of art, plant protection theory are also being enriched constantly and perfect.On the basis of integrated control, people are successively proposed " with master The ecological regulation and control of dynamic, purposive regulation substitution passively control " and the green of " scientific plant protection, public plant protection, environment protective plant protecting " Prevention and control.Based on this theory, the green prevention and control technology for finding planthopper will become the development trend of prevention and treatment planthopper.
Under strategy of sustainable development requirement, expelling parasite is kept away harmful concept and adds to the concept that desinsection is removed the evil by plant protection product Among, expand the research range of plant protection.From the point of view of the theoretical research and development of these prevention and treatments, from the something lost of entire plant Pass, growth and development characteristic and this entirety of locating ecological environment consider, plant protection is got up from harmful organism Infringement, for following plant protection trend.Plant-protecting film be based on plant to the development of the defence policies of harmful organism and The plant protection method come.It passes through filmogen (native compound, artificial synthesized chemicals only using plant as Consideration Matter etc.) interaction between different molecular what the uniform spread of plant surface was formed has certain hardness, thickness and good The film of film forming, adhesion, plasticity and aeration puts on one layer " artificial defence coat " for plant, to block nocuousness The infringement approach of biology causes the Harmful Biohazard difficult, improves plant to the resistivity of harmful organism.
Summary of the invention
For current planthopper prevention and control applications of pesticide amount is big, problem that Pesticide use rate is low, in conjunction with today's society Ecological organic plantation is advocated, the idea of green prevention and control harmful organism, the purpose of the present invention is to provide a kind of Culm of Rice surfaces Film is sprayed, effectively to reduce environmental pollution, pesticide utilization rate is improved, improves practical control effect, and realizes that prevention and control rice flies Lice causes harm to the piercing and sucking of rice.
It is a kind of milk-white coloured suspension, its raw material group that film is inhaled in the HZSNJ resistance of prevention and control rice hoppers of the invention Point in include sodium alginate, PVAC polyvinylalcohol -124, Nano carbon white, organosilicon, sodium carboxymethylcellulose, sodium benzoate and Water.
Specifically, it is made of the raw material of following weight percent: 4%~6% sodium alginate, 2%~3% poly- second Enol PVA-124,1%~1.5% Nano carbon white, 1%~2% sodium carboxymethylcellulose, 0.5% -1% benzene first Sour sodium, 1% -2% organosilicon, remaining be water (accounting for about 84.5% -90.5%).
It is first by sodium carboxymethylcellulose that the preparation method of film is inhaled in the HZSNJ resistance of prevention and control rice hoppers of the invention It is dissolved in a part of water and aqueous solution is made, then remaining water is heated, sequentially add sodium alginate and polyvinyl alcohol under stirring PVA-124 is added carboxymethylcellulose sodium solution, sodium benzoate, organosilicon and Nano carbon white and continues to stir to equal after cooling It is even, bottling packing.Solution will be configured by, which needing before use, shakes up, in use process, after above-mentioned film is diluted to corresponding multiple It comes into operation.
It is a kind of membranous type liquid physics system that film is inhaled in the HZSNJ resistance for the prevention and control rice hoppers that the present invention is prepared Agent is milk-white coloured suspension, and pH value 5.5~6.5, viscosity number is that 110~130PaS can be in Culm of Rice after being watered dilute apply Fast filming after spraying on surface, the film has certain thickness and particulate matter after film forming, and resistance of rainwater washing against does not peel off, wrinkle resistant, It is not blistering.
Film of the invention selects natural materials sodium alginate and PVAC polyvinylalcohol -124 is main filmogen, and adds Enter gas permeability, ductility, viscosity that some auxiliary materials are allowed to certain, being watered after dilution can be with after spraying on Culm of Rice One layer of film layer being invisible to the naked eye is quickly formed, which does not peel off, and it is wrinkle resistant, it is not blistering, hinder planthopper Piercing and sucking rice, to achieve the purpose that prevention and control planthopper.Film contained substance of the present invention be it is non-toxic or low-toxic, guarantee crop Under conditions of normal growth and development, can effective prevention and control planthopper generation, development, reduce pesticide pollution on the environment, protect Demonstrate,prove grain security and human health.It is extremely important to safety in production pollution-free food.
Its application method is as follows:
After film of the present invention is watered 50~100 times of dilution, being sprayed with sprayer can prevent and prevent on Culm of Rice surface Control rice hoppers cause harm to the piercing and sucking of rice.
The HZSNJ resistance of prevention and control rice hoppers of the invention sprays after inhaling film dilution, can be quickly in Culm of Rice table Face forms one layer of film being invisible to the naked eye, and rice is effectively protected, and present component is largely Nantural non-toxic Substance, 100% can natural degradation, therefore will not influence the normal growth and development of rice, be low-carbon, environmental-friendly and sustainable development Product is opened up, is to produce being effectively ensured for green non-pollution agricultural product.
Moreover, film is inhaled in the HZSNJ resistance of this prevention and control rice hoppers to be had certain particulate matter and has certain Thickness, the piercing and sucking that can influence planthopper cause harm, therefore spray film of the present invention and can achieve prevention and control effect.
The natural active matter contained in film of the present invention, nano-substance can make Culm of Rice surface by planthopper piercing and sucking Or its stabbed position of laying eggs quickly is healed, and the normal growth of rice is restored.
Film of the present invention has certain adhesiveness, and penetration is strong, resistance of rainwater washing against, after agriculture chemical compounding use, to agriculture Medicine has slow releasing function, (reduces Pesticide use amount 1/3~1/2 to increase the field lasting period of pesticide, extends drug effect 7~15 days, subtract Few times for spraying 2~3 times), it is really achieved the effect of " low concentration high preventive effect low-residual ", guarantees the safety of people and animals, reduces ring Border pollution.
Advantages of the present invention:
1. the main component of inventive formulation is natural products, environmentally friendly.
2. inventive formulation, which mainly passes through resistance, inhales prevention and control planthopper, not only effect is good, and non-resistant risk.
3. the mixed application of common pesticides bucket, which is added, as synergy film in the present invention has synergistic effect.
Specific embodiment
The present invention is further elaborated with reference to embodiments.
Embodiment 1:
This film preparation method of the invention: the water of 360g is added first in the beaker of 500mL, is added with stirring The sodium carboxymethylcellulose of 10g is to being completely dissolved.Then the water of 500g is added in the beaker of 1000mL, is heated to 70 DEG C, stirs Lower addition 60g sodium alginate and PVAC polyvinylalcohol -124 20g are mixed, 20g Nano carbon white, 10g benzene are added after thoroughly dissolving Sodium formate, sequentially adds above-mentioned 370g sodium carboxymethyl cellulose solution and 20g organic silicon solution after cooling, stirring for 24 hours, obtains The suspension uniform to milky, material pH value 5.4~6.5, viscosity number are 110~130PaS, and product is made in packaging.
Experimental example 1:
Activity is inhaled to understand inventive film agent to the resistance of planthopper, and provides scientific basis to promote and apply from now on, therefore is used Film of the present invention does laboratory experiment.
Using the tillering stage rice seedlings of suspension culture as experimental subjects, rice is divided into root top and root lower part, and root top is cut Extra leaf is removed, 20.00cm is left, root lower part cuts off the root grown, root long 1.50cm is left, by formula film dilution 5 A concentration, respectively 25 times, 50 times, 100 times, 200 times and 400 times, clear water compares, and totally 6 processing, molten by quantitative dilution Liquid is sprayed on rice stem with miniaturised nebuliser, and each processing sets 12 repetitions, after institute's spray-filming agent dries, the circle that will shear It burrows among the scraps of paper, covers in rice stem lower part, and clog gap with cotton and fix stem, be finally fixed on glass tube It is interior.
Each repetition is respectively put into 10 3 age nymphs, test worm is anesthetized with ether (5~10s), and weigh the body of test worm Weight.Record planthopper weight gain and the withered degree of rice seedlings respectively in third, five, seven days.
According to the experimental results, this formula film is sprayed after Culm of Rice, there are certain prevention and control to make rice hoppers With, and control effect is best in 50~100 times of liquid, corrected mortality can reach 52.73%~60.91% (see Table 1 for details)；Rice Plant hopper corrected mortality is higher, and live the fewer of worm weight gain, and at the 7th day, corrected mortality was when which dilutes 100 times 60.91%, worm weight gain living is -0.02mg, hence it is evident that lower than the weight gain of blank control 0.8mg, illustrates that rice can be reduced by spraying the film Piercing and sucking of the plant hopper to rice；Planthopper corrected mortality is higher, and the withered percentage of rice seedlings is lower, which is diluted to 100 times When corrected mortality be 60.91%, the withered percentage of rice seedlings is 37.33%, lower than the withered percentage of space management 60.67%, illustrating to spray the film to a certain extent reduces the piercing and sucking of planthopper and causes harm, and reduces the withered journey of rice Degree, plays the role of certain keep a full stand of seedings (see Table 2 for details).
Table 1: the relationship of planthopper worm weight gain and corrected mortality living
Table 2: the relationship of rice seedlings withered percentage and corrected mortality
Experimental example 2:
To understand influence of the inventive film agent to rice growth, choose similar in growing way, with point of suspension culture Tiller phase rice seedlings are experimental subjects, by 5 concentration of inventive film dilution agent, respectively 25 times, 50 times, 100 times, 200 times and 400 Times, clear water compares, and totally 6 processing, quantitative dilute solution are sprayed on rice stem with miniaturised nebuliser, each processing If 3 repetitions, record rice seedlings plant height, adventitious root root long and the adventitious root radical newly grown in third, five, seven days, and with Wherein three repetitions in experimental example 1 in corresponding 12 repetitions compare (it is different therefore each to test taken repetition every time Data are only compared with same day measurement data).
The experimental results showed that spraying film of the present invention, not to the plant height of rice, adventitious root root long and adventitious root radical difference Greatly, and spray resistance inhale film access planthopper processing it is more poor than not accessing the processing upgrowth situation of planthopper, illustrate the film The rice growth of rice seedlings is not had much influence, and the piercing and sucking of planthopper can generate shadow to the upgrowth situation of rice seedlings It rings (see Table 3 for details).
Influence of the table 3:102 film to rice seedlings upgrowth situation
Note: CK1, 25 times1, 50 times1, 100 times1, 200 times1, 400 times1Expression sprays film of the present invention and accesses planthopper Processing；CK2, 25 times2, 50 times2, 100 times2, 200 times2, 400 times2Expression sprays the processing that film of the present invention does not access planthopper.
Experimental example 3:
To understand inventive film agent to the control effect of rice hoppers, and scientific basis is provided to promote and apply from now on, Field trial (rice varieties: interior fragrant 8518 are carried out in the Guizhou Province Huangping County town Jiu Zhou using film of the present invention within 2015；It is spraying Device: board agricultural hand air-blast atomizer, model SX-CS8A under city), and with 25% Diacloden WG 15g/hm2Medicament is done pair Than.
Field control effectiveness test sets 8 processing: diluting 50 times, 100 times, 200 times, the formula of each extension rate for trial side The middle Diacloden that same concentrations are added, and compareed with clear water and individual Diacloden, 4 repetitions of each processing are totally 32 small Area, each plot area are 30m2(5m × 6m), spray liquid measure are 60L/667m2, each experimental plot 3L.Random district's groups arrangement, Minizone ridge building isolation, prevents string from filling, and the protection row that width is 1m is set up in entire trial zone.
Investigation method: using checkerboard type sampling method, investigates planthopper insect population before spraying film, sprays 1d, 3d, 5d, 7d after film The insect density of each cell processing rice field planthopper of investigation records respectively, calculates decline rate.
As seen from the experiment, inventive film dilution agent is to can reach the field control effect of planthopper after 50 times 64.64%, hence it is evident that be higher than other formula concentrations.After conventional dose is added with this formula film, relative to medicament single dose, preventive effect increases Add, thus it can be extrapolated that the invention film has certain control effect to planthopper and has certain slow releasing function.
Control effect of the table 4:102 film to planthopper
The rice hoppers resistance of prevention and control rice hoppers of the invention is inhaled in the formula of film, sodium alginate and polyvinyl alcohol PVA-124 is film forming agent, and carboxymethyl thousand ties up the viscosity that plain sodium improves protective film, and Nano carbon white increases particulate matter in film, has Machine silicon makes protective film have certain ductility on rice.Indoor resistance inhale activities present be 100 times of 50 times of dilution and dilution compared with Good, corrected mortality is respectively 48.33% and 55.83%.Field efficiency test show as dilution 50 times and dilution 100 times compared with Good, average preventive effect is respectively 64.64% and 57.06%, and after conventional pesticide is added, preventive effect increases.It can be seen that list from this data Solely there are certain prevention and control to act on rice hoppers using film of the present invention, use can also increase preventive effect after pesticide is added.This Non- its stomach of murder by poisoning and nervous system are invented, the problem of without phytotoxicity and the problem of drug resistance, is not influencing rice normal growth hair Under the premise of educating, Rice Cropping non agricultural chemical residuum is solved the problems, such as.
The above described is only a preferred embodiment of the present invention, present invention is not to be limited in any way, although The present invention has been disclosed as a preferred embodiment, however not to limit the present invention, any person skilled in the art, It does not depart within the scope of technical solution of the present invention, when the method and technique content using the disclosure above makes a little change or repairs The equivalent embodiment for equivalent variations, but all contents for being detached from technical solution of the present invention are adornd, according to the technical spirit according to invention Any simple modification, equivalent change and modification to the above embodiments, in the range of still falling within technical solution of the present invention.

Claims (3)

1. film is inhaled in a kind of resistance of prevention and control rice hoppers, it is characterised in that: it is made of the raw material of following weight percent: 4% ~6% sodium alginate, 2%~3% PVAC polyvinylalcohol -124,1%~1.5% Nano carbon white, 1%~2% carboxymethyl it is fine Plain sodium, 0.5% -1% sodium benzoate, 1% -2% organosilicon are tieed up, remaining is water.
2. film is inhaled in the resistance of prevention and control rice hoppers according to claim 1, it is characterised in that: it is milky white that film is inhaled in the resistance Color suspension, pH value 5.5 ~ 6.5, viscosity number are 110 ~ 130 PaS.
3. the preparation method that film is inhaled in a kind of resistance as described in claim 1, it is characterised in that: first that sodium carboxymethylcellulose is molten Aqueous solution is made in solution in a part of water, then remaining water is heated, and sequentially adds sodium alginate and polyvinyl alcohol under stirring PVA-124 is added carboxymethylcellulose sodium solution, sodium benzoate, organosilicon and Nano carbon white and continues to stir to equal after cooling It is even, bottling packing.
CN201610358968.0A 2016-05-27 2016-05-27 Film and preparation method thereof is inhaled in the resistance of prevention and control rice hoppers Expired - Fee Related CN105820668B (en)

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CN107996231A (en) * 2017-11-29 2018-05-08 贵州大学 Film and preparation method thereof is invaded in a kind of natural resistance of prevention and control rice sheath blight disease
CN112655410A (en) * 2020-12-25 2021-04-16 江南大学 Method for resisting piercing-sucking pests by increasing crop lignin based on silicon oxide

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