CN103329946A - Oil suspension pesticide composition for preventing and treating rice sheath blight disease and preparation method thereof - Google Patents
Oil suspension pesticide composition for preventing and treating rice sheath blight disease and preparation method thereof Download PDFInfo
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- CN103329946A CN103329946A CN2013102477171A CN201310247717A CN103329946A CN 103329946 A CN103329946 A CN 103329946A CN 2013102477171 A CN2013102477171 A CN 2013102477171A CN 201310247717 A CN201310247717 A CN 201310247717A CN 103329946 A CN103329946 A CN 103329946A
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Abstract
The invention relates to an oil suspension pesticide composition for preventing and treating rice sheath blight disease, which is prepared from the following raw materials in parts by weight: 5-10 parts of matrine, 2-30 parts of validamycin, 10-24 parts of trisiloxane polyethenoxy ether, 20-30 parts of pepper, 20-30 parts of gingko seed coat, 20-30 parts of fructus cnidii and the like. The seed dressing provided by the invention can be used for soil treatment after planting before seedling, and has the characteristic of farmland weed eradication and broad-spectrum sterilization. Compared with the prior art, the formulation provided by the invention has the characteristics of favorable weed eradication effect, high safety for environment and the like, and the weed can not easily generate drug resistance, thereby having wide application prospects.
Description
Technical field
The invention belongs to the public nuisance-free agricultural chemicals technical field, relate to a kind of biopesticide bactericide, specifically relate to a kind of biological pesticide composite of preventing and treating rice sheath blight disease and preparation method thereof.
Background technology
Plant can run into various damage by disease and insect in the occurring in nature process of growth, fungus disease particularly, its kind is many, and disease is serious, and for example gold disease, red gold disease, dark fund disease etc. are generally, comparatively to be difficult to the disease of preventing and treating in many crops generations, bring tremendous loss to agricultural production, mainly occur in the parts such as tender seedling, bud, the tip of crop, blade is withered when serious, curls, the browning look, withered.A large amount of chemical means that use are prevented and treated at present, yet domesticly mainly contain the unicity of methyl medication for many years and the particularity of chemicals be used to the medicament of preventing and treating powdery mildew, be easy in use operating personnel and ecotope be made serious harm, and have residual in a large number, easy-clear does not cause injury to edible people, and therefore country is own through banning use of highly toxic pesticide, greatly develop the green non-pollution vegetables, so be badly in need of developing low toxicity even nontoxic public nuisance-free agricultural chemicals.The annual a large amount of underproduction of crops that all cause of causing harm of farmland weed.Use chemical herbicide to remain the main means of present weed control, but because a large amount of and unreasonable use chemical herbicide have caused problems such as environmental pollution, residue of pesticide and weeds pesticide resistance, be subjected to extensive concern.Therefore, exploitation is efficient, the new herbicides of low toxicity, low-residual, becomes the problem that presses for solution.From plant, seek bioactivator, and then the environmentally friendly agricultural chemicals of development of new, be the hot fields of current domestic and international research.
China is large agricultural country, and about 400,000,000 m2 of area take place the crop diseases and pest crop smothering throughout the year, and annual the need produced and used 800,000 tons in agricultural chemicals, and agricultural chemicals has become indispensable factor in the agricultural production.Being extensive use of of agricultural chemicals, though important function has been played in production development, also occurred such as insect pest, disease the pesticide resistance problem, to the pollution of environment and in agricultural and animal products residual and accumulation problem, injure natural enemy, destroy balance of nature, cause insect rampant problem etc. again.This development to novel pesticide has proposed higher requirement.Especially entered since 21 century, along with the cry of people's uphold nature, protection environment, concern food security is day by day surging, harmless boilogical agricultural chemicals industry and biological control area research have obtained rare opportunity to develop.
Domestic rice sheath blight disease (Rhizoctonia solani) biopesticide of preventing and treating mainly is at present; Bacillus subtilis, bacillus polymyxa, waxy Bacillus and composite jinggangmycin thing, formulation are divided into two kinds in aqua and pulvis.Which kind of biopesticide all is based on spore and shaft-like thalline, and the pathogen of control rice sheath blight disease expands at rice plant, and this class viable bacteria body is prevented and treated the rice sheath blight disease effect and influenced by outdoor temperature, wet, intensity of illumination.Particularly the ubiquity of peasant's dispenser in recent years the amount of liquid medicine deficiency, and the rice sheath blight disease happening part is mainly in the paddy rice middle and lower part, the viable bacteria body is difficult to reach site of pathological change because amount of liquid medicine is not enough, Here it is biopesticide to the rice sheath blight disease preventive effect a little less than one of chemical pesticide principal element.The plant pesticide that also has at present some to extract in the kuh-seng, but it is unreasonable to fill a prescription, effect is not ideal, is not suitable for suitability for industrialized production, and market in urgent need is a kind of to be conducive to environmental protection, effectively sterilization, weeding, and can be fit to the plant pesticide of production greatly.
Summary of the invention
The invention provides a kind of biological pesticide composite of preventing and treating rice sheath blight disease and preparation method thereof.
A kind of oil suspending agent composition pesticide of preventing and treating rice sheath blight disease and preparation method thereof, it is characterized in that it comprises that the feedstock production of following parts by weight obtains: matrine 5-10 part, jinggangmeisu 2-30 part, trisiloxanes APEO 10-24 part, Chinese prickly ash 20-30 part, ginkgo kind skin 20-30 part, frutus cnidii 20-30 part, azedarach 10-30 part, fruit of Rangoon creeper 15-25 part, gall nut 1-15 part, ilex pubescens 5-15 part, soapberry exosper 55-60 part, fructus ulmi 10-15 part, camphor 5-15 part, semen momordicae 5-15 part, Golden Larch Bark 10-15 part, sodium humate 5-15 part, 10～25 parts of proline, 15～20 parts of methionines, 16～23 parts of glycine, 26～33 parts of threonines, tyrosinase 15-15 part, gram line spirit 30-50 part, water 10-20 part; Get Chinese prickly ash, ginkgo kind skin, frutus cnidii, azedarach, the fruit of Rangoon creeper, gall nut, ilex pubescens, matrine, soapberry exosper, fructus ulmi, camphor, semen momordicae, Golden Larch Bark according to described parts by weight, in water, soak after 2 hours, being warmed to 50 ℃ kept 20 minutes, the cellulase that adds (10 parts unit of activity is 150U) carries out enzymolysis then, the enzyme digestion reaction temperature is 30 ℃, the enzyme digestion reaction time is 1 hour, filters to obtain Chinese herbal medicine fluid; With 300 parts of 75% alcohol immersion 80min that add 10 times of weight of the described herbal liquid medicine that makes, be heated to 70 ℃ times and heat up in a steamer 45min, filter, collect extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 ℃ and returns and to heat up in a steamer 65min, filters, and collects extract, and relative density is 1.6 medicinal extract when being evaporated to 65 ℃ through (0.08Mpa, 60 ℃), and atomized drying gets dry extract; The sodium humate, proline, methionine, glycine, threonine, tyrosine, trisiloxanes APEO, the spirit of gram line, the jinggangmeisu mixing that the extract powder that obtains are also added successively described prescription; Add 10 parts of organosilicons again, 0.5 part of dibutyl hydroxy toluene, 300 parts of soft water continue to stir after 35 minutes; Add 100 parts of esterification sunflower seed vegetable oil, 50 parts in OP-10 surfactant mixes in mixing kettle, pulverizes 4 hours in pumping into the ultramicro grinding sand mill, can form stable oil-suspending agent, and grain diameter reaches below the 4.5 μ m after testing.
Preferably it is obtained by the feedstock production of following parts by weight: 25 parts in Chinese prickly ash, 25 parts of ginkgo kind skins, 25 parts of frutus cnidiis, 20 parts of azedaraches, 20 parts of the fruits of Rangoon creeper, 7 parts of gall nut, 8 parts of ilex pubescens, 6 parts of matrines, 57 parts of soapberry exospers, 12 parts of fructus ulmis, 7 parts of camphors, 7 parts of semen momordicaes, 12 parts of Golden Larch Barks, 7 parts of sodium humates, 13 parts of proline, 15 parts of methionines, 19 parts of glycine, 30 parts of threonines, 7 parts in tyrosine, 16 parts of jinggangmeisus, 17 parts of trisiloxanes APEOs, 40 parts of gram line spirits.
Concrete disease is rice sheath blight disease, cucumber downy mildew, pears black heart etc.The application of bactericidal and herbicidal agent in preventing and treating controlling weeds.Described weeds are artemisiifolia, the bent grass of crawling, annual bluegrass and Bermuda grass.
Bactericidal and herbicidal agent of the present invention can be used for broadcasting the preceding soil treatment of back seedling, prevents and kill off the sterilization idiocratic of farmland weed and wide spectrum.Compared with prior art, it is good, environmentally safe that distinctive prescription formulation of the present invention has a herbicidal effect, and weeds characteristics such as be difficult for developing immunity to drugs have a extensive future.Formulation of the present invention is remarkable to the rice sheath blight disease disease-controlling effect.Bactericidal and herbicidal agent of the present invention relatively safely to eyes, skin nonirritant, is low toxicity through bright its acute toxicity of day skin test checking to people and animals, easily decomposes in atmosphere and soil, and non-poisonous material is residual; Bactericidal and herbicidal agent of the present invention is little to farmland natural enemy influence, helps to keep ecotope, and is more friendly to environment, to the rice sheath blight disease preventive effect more than 80%.
Embodiment
The present invention is described in further detail by the following examples, but should be appreciated that the present invention is not in following examples.
Embodiment 1: the preparation of bactericidal and herbicidal formulation
A kind of oil suspending agent composition pesticide of preventing and treating rice sheath blight disease and preparation method thereof, it is characterized in that it comprises that the feedstock production of following parts by weight obtains: matrine 5-10 part, jinggangmeisu 2-30 part, trisiloxanes APEO 10-24 part, Chinese prickly ash 20-30 part, ginkgo kind skin 20-30 part, frutus cnidii 20-30 part, azedarach 10-30 part, fruit of Rangoon creeper 15-25 part, gall nut 1-15 part, ilex pubescens 5-15 part, soapberry exosper 55-60 part, fructus ulmi 10-15 part, camphor 5-15 part, semen momordicae 5-15 part, Golden Larch Bark 10-15 part, sodium humate 5-15 part, 10～25 parts of proline, 15～20 parts of methionines, 16～23 parts of glycine, 26～33 parts of threonines, tyrosinase 15-15 part, gram line spirit 30-50 part, water 10-20 part; Get Chinese prickly ash, ginkgo kind skin, frutus cnidii, azedarach, the fruit of Rangoon creeper, gall nut, ilex pubescens, matrine, soapberry exosper, fructus ulmi, camphor, semen momordicae, Golden Larch Bark according to described parts by weight, in water, soak after 2 hours, being warmed to 50 ℃ kept 20 minutes, the cellulase that adds (10 parts unit of activity is 150U) carries out enzymolysis then, the enzyme digestion reaction temperature is 30 ℃, the enzyme digestion reaction time is 1 hour, filters to obtain Chinese herbal medicine fluid; With 300 parts of 75% alcohol immersion 80min that add 10 times of weight of the described herbal liquid medicine that makes, be heated to 70 ℃ times and heat up in a steamer 45min, filter, collect extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 ℃ and returns and to heat up in a steamer 65min, filters, and collects extract, and relative density is 1.6 medicinal extract when being evaporated to 65 ℃ through (0.08Mpa, 60 ℃), and atomized drying gets dry extract; The sodium humate, proline, methionine, glycine, threonine, tyrosine, trisiloxanes APEO, the spirit of gram line, the jinggangmeisu mixing that the extract powder that obtains are also added successively described prescription; Add 10 parts of organosilicons again, 0.5 part of dibutyl hydroxy toluene, 300 parts of soft water continue to stir after 35 minutes; Add 100 parts of esterification sunflower seed vegetable oil, 50 parts in OP-10 surfactant mixes in mixing kettle, pulverizes 4 hours in pumping into the ultramicro grinding sand mill, can form stable oil-suspending agent, and grain diameter reaches below the 4.5 μ m after testing.
Preferably it is obtained by the feedstock production of following parts by weight: 25 parts in Chinese prickly ash, 25 parts of ginkgo kind skins, 25 parts of frutus cnidiis, 20 parts of azedaraches, 20 parts of the fruits of Rangoon creeper, 7 parts of gall nut, 8 parts of ilex pubescens, 6 parts of matrines, 57 parts of soapberry exospers, 12 parts of fructus ulmis, 7 parts of camphors, 7 parts of semen momordicaes, 12 parts of Golden Larch Barks, 7 parts of sodium humates, proline 13, methionine 15, glycine 19, threonine 30,7 parts in tyrosine, 16 parts of jinggangmeisus, trisiloxanes APEO 17,40 parts of gram line spirits.
Embodiment 2: the bacteriostatic test effect of bactericidal and herbicidal formulation
The bactericidal and herbicidal pesticide control rice sheath blight disease field control effectiveness test that the embodiment of the invention 1 makes:
3 processing are established in each test altogether, 4 repetitions, and each residential quarter area 10m2 carries out experimental scheme, wherein A according to the completely random design: the clear water blank; B: 800 times of dilution positive controls of compound carbendazim; C: 300 times of dilutions of botanical pesticide of the present invention.Use medicine 4 times, interval 7d.
Investigation content and data are handled: every residential quarter is selected 30 samples at random, 7d investigation before using medicine and after the 4th perfusion, record diseased plant number.Carry out the output investigation during results, the single receipts in every residential quarter, weighing separately.
The incidence of disease (%)=(the total strain number of diseased plant number/investigation) * 100.
Control efficiency (%)=[(the check plot incidence of disease-treatment region incidence of disease)/check plot incidence of disease] * 100.
Result of the test shows that the inequality heteropole is remarkable between pesticide control rice sheath blight disease of the present invention and the clear water blank; Control efficiency on average reaches 79.4%, to preventing and treating rice sheath blight disease positive effect is arranged, and arrives 84.1%.
Embodiment 3: the controlling weeds test effect of bactericidal and herbicidal formulation
The bactericidal and herbicidal pesticide control artemisiifolia that the embodiment of the invention 1 makes, the bent grass of crawling, annual bluegrass and Bermuda grass field control effectiveness test:
3 processing are established in each test altogether, 4 repetitions, and each residential quarter area 10m2 carries out experimental scheme, wherein A according to the completely random design: the clear water blank; B: 800 times of dilution positive controls of compound carbendazim; C: 300 times of dilutions of botanical pesticide of the present invention.Use medicine 4 times, interval 7d.
Investigation content and data are handled: every residential quarter is selected 30 samples at random, 7d investigation before using medicine and after the 4th perfusion, record diseased plant number.Carry out the output investigation during results, the single receipts in every residential quarter, weighing separately.
The incidence of disease (%)=(the total strain number of diseased plant number/investigation) * 100.
Control efficiency (%)=[(the check plot incidence of disease-treatment region incidence of disease)/check plot incidence of disease] * 100.
Result of the test shows that the inequality heteropole is remarkable between pesticide control artemisiifolia of the present invention, the bent grass of crawling, annual bluegrass and Bermuda grass and the clear water blank; Control efficiency on average reaches 76.1%, and control Bermuda grass, artemisiifolia are had positive effect, arrives 84.1%, 82.2%.
Claims (2)
1.
A kind of oil suspending agent composition pesticide of preventing and treating rice sheath blight disease and preparation method thereof, it is characterized in that it comprises that the feedstock production of following parts by weight obtains: matrine 5-10 part, jinggangmeisu 2-30 part, trisiloxanes APEO 10-24 part, Chinese prickly ash 20-30 part, ginkgo kind skin 20-30 part, frutus cnidii 20-30 part, azedarach 10-30 part, fruit of Rangoon creeper 15-25 part, gall nut 1-15 part, ilex pubescens 5-15 part, soapberry exosper 55-60 part, fructus ulmi 10-15 part, camphor 5-15 part, semen momordicae 5-15 part, Golden Larch Bark 10-15 part, sodium humate 5-15 part, 10～25 parts of proline, 15～20 parts of methionines, 16～23 parts of glycine, 26～33 parts of threonines, tyrosinase 15-15 part, gram line spirit 30-50 part, water 10-20 part; Get Chinese prickly ash, ginkgo kind skin, frutus cnidii, azedarach, the fruit of Rangoon creeper, gall nut, ilex pubescens, matrine, soapberry exosper, fructus ulmi, camphor, semen momordicae, Golden Larch Bark according to described parts by weight, in water, soak after 2 hours, being warmed to 50 ℃ kept 20 minutes, the cellulase that adds (10 parts unit of activity is 150U) carries out enzymolysis then, the enzyme digestion reaction temperature is 30 ℃, the enzyme digestion reaction time is 1 hour, filters to obtain Chinese herbal medicine fluid; With 300 parts of 75% alcohol immersion 80min that add 10 times of weight of the described herbal liquid medicine that makes, be heated to 70 ℃ times and heat up in a steamer 45min, filter, collect extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 ℃ and returns and to heat up in a steamer 65min, filters, and collects extract, and relative density is 1.6 medicinal extract when being evaporated to 65 ℃ through (0.08Mpa, 60 ℃), and atomized drying gets dry extract; The sodium humate, proline, methionine, glycine, threonine, tyrosine, trisiloxanes APEO, the spirit of gram line, the jinggangmeisu mixing that the extract powder that obtains are also added successively described prescription; Add 10 parts of organosilicons again, 0.5 part of dibutyl hydroxy toluene, 300 parts of soft water continue to stir after 35 minutes; Add 100 parts of esterification sunflower seed vegetable oil, 50 parts in OP-10 surfactant mixes in mixing kettle, pulverizes 4 hours in pumping into the ultramicro grinding sand mill, can form stable oil-suspending agent, and grain diameter reaches below the 4.5 μ m after testing.
2.
The application of oil suspending agent composition pesticide according to claim 1 in the disease of control cereal class, fruit tree, vegetables; It is characterized in that: described disease is rice sheath blight disease.
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| CN201310247717.1A CN103329946B (en) | 2013-06-21 | 2013-06-21 | Oil suspension pesticide composition for preventing and treating rice sheath blight disease and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107372688A (en) * | 2017-07-28 | 2017-11-24 | 安徽省圣丹生物化工有限公司 | A kind of bactericide for treating the withered line disease of rice |
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