CN103392737A - Agricultural composition taking oligosaccharide and sulphur as synergistic components - Google Patents
Agricultural composition taking oligosaccharide and sulphur as synergistic components Download PDFInfo
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Abstract
The invention belongs to the field of plant protection, and in particular relates to an agricultural composition taking oligosaccharide and sulphur as synergistic components and an application of the agricultural composition in prevention and treatment of agricultural pests. The mass part ratio of oligosaccharide to sulphur is 1:(0.1-200) and the mass part ratio of oligosaccharide to sulphur to other pesticide components is 1:(0.1-200):(0.1-100). In the composition, oligosaccharide is pectin oligosaccharide, sodium alginate oligosaccharide or chitosan oligosaccharide. The synergistic composition containing oligosaccharide and sulphur can be processed to particles, suspending agents and the like with other insecticidal and mite-killing components or sterilizing components to realize the synergistic effect of the agricultural composition, and the agricultural composition is used for preventing and treating nematode, red spiders, Phyllocoptruta oleivora Ashmead or powdery mildew of crops.
Description
Technical field
The invention belongs to the plant protection field, particularly relate to oligosaccharides and sulphur as the agriculturally useful compositions of building component and the application in the control agricultural pest.
Background technology
In agricultural production, crop disease and insect strengthens gradually to the pesticide resistance of Pesticidal products, and, the damage by disease and insect of same crop often occurs simultaneously, the peasant often attends to one thing and lose sight of another when independent pest control or disease, not only delay work and miss control opportunity, from and strengthen dosage etc.Due to single and Scientific Usage of Drugs not, caused the destruction of the raising of peasant's cost, environmental pollution and ecotope etc.With different structure, the different mechanism of action, environmentally friendly active component, carrying out compositely, and rationally add auxiliary agent and make new agriculturally useful compositions, is to reduce and the effective way of delaying drug resistance insect, expanding prevention target, raising drug effect, environmental contamination reduction.
Sulphur is an important kind in inorganic pesticide.Commodity are yellow solid or powder, and obvious smell is arranged, and can volatilize.The sulphur aqueous suspensions is subacidity, and is water insoluble.Sulphur belongs to multipurpose agent, except bactericidal action is arranged, can also kill mite, desinsection, have fertilizer efficiency, to people, animal safety, is difficult for making to do the deposits yields poisoning.
Oligosaccharides is the bioactivator with specific aggregation degree that glycan is obtained through special biological enzyme technology processing, its molecular weight is lower, water-soluble better, easily by organism, absorbed, has special biologically active, have the function of diseases prevention, disease-resistant, regulating plant growth, but utilize the serial oligosaccharides biopesticide of oligosaccharides specific aim exploitation of separate sources.
The inventor has carried out a large amount of oligosaccharides and sulphur as the test of pesticide effectiveness of building component, has found many beyond thought effects.This invention improves drug effect and expanding prevention target, is beneficial to and reduces the medication number of times, reduces agriculture originally and improve the agricultural product economic benefit.
Summary of the invention
The purpose of this invention is to provide and using oligosaccharides and sulphur as the agriculturally useful compositions of building component, improve drug effect, expanding prevention target, have fertilizer efficiency.
The invention provides a kind of oligosaccharides and the sulphur agriculturally useful compositions as building component, in agriculturally useful compositions, also contain other farm chemical ingredients, the ratio of quality and the number of copies of oligosaccharides and sulphur is 1:0.1-200, and preferred, ratio of quality and the number of copies is 1:1-100.Described oligosaccharides is pectic oligosaccharides, sodium alginate oligosaccharides or chitosan oligosaccharide, and preferred, oligosaccharides is chitosan oligosaccharide.
The invention provides a kind of oligosaccharides and the sulphur agriculturally useful compositions as building component, in said composition, contain oligosaccharides, sulphur and other Insecticiding-miticiding composition, wherein, the ratio of quality and the number of copies of oligosaccharides, sulphur and other insecticidal/acaricidal agents is 1:0.1-200:0.1-100, preferably, the ratio of quality and the number of copies of oligosaccharides, sulphur and other insecticidal/acaricidal agents is 1:1-100:0.5-60.In above-mentioned composition, oligosaccharides is pectic oligosaccharides, sodium alginate oligosaccharides or chitosan oligosaccharide, and preferred, oligosaccharides is chitosan oligosaccharide.in above-mentioned composition, the Insecticiding-miticiding composition is the macrolides Avermectin, emamectin-benzoate (calling first dimension salt in the following text), ivermectin, a kind of in pleocidin, or organic phosphates insecticidal constituent fosthiazate, isazofos, chlopyrifos, a kind of in phoxim and Profenofos, or anabasine insecticidal constituent Nitenpyram, Diacloden, Imidacloprid, Acetamiprid, thiacloprid, a kind of in MTI-446 and clothianidin, or amide-type insecticidal constituent cyanogen insect amide, flutolanil, Tolfenpyrad, a kind of in flonicamid and Rynaxypyr, or pyrethroid insecticidal constituent Biphenthrin, ether chrysanthemum ester, gamma cyhalothrin, beta-cypermethrin, a kind of in cypermethrin and tefluthrin, or carbamate insecticide Mobucin, a kind of in thiodicarb, or process for preparation of benzoylurea compounds HEXAFLUMURON, flufenoxuron, fluorine pyridine urea, lufenuron, the fluorine uride, young urea goes out, a kind of in diflubenzuron and Teflubenzuron, or the nereistoxin constituents is selected from the desinsection list, dimehypo, a kind of in cartap, or other constituents spiral shell mite ester, Bifenazate, spiral shell worm ethyl ester, pyridaben, chlorfenapyr, indoxacarb, a kind of in pymetrozine.Preferably, the Insecticiding-miticiding composition is a kind of in Avermectin, first dimension salt, fosthiazate, isazofos, spiral shell mite ester, Bifenazate, spiral shell worm ethyl ester, pyridaben.
The invention provides a kind of oligosaccharides and the sulphur agriculturally useful compositions as building component, in said composition, contain oligosaccharides, sulphur and other sterilization component, wherein, the mass fraction of oligosaccharides, sulphur and other sterilization component is than being 1:0.1-200:0.1-100, preferably, the mass fraction of oligosaccharides, sulphur and other sterilization component is than being 1:1-100:0.5-60.In above-mentioned composition, oligosaccharides is pectic oligosaccharides, sodium alginate oligosaccharides or chitosan oligosaccharide, and preferred, oligosaccharides is chitosan oligosaccharide.in above-mentioned composition, sterilization component is methoxy acrylic composition orysastrobin, pyraclostrobin, oxime bacterium ester, ZEN 90160, alkene oxime amine, ZJ0712, SSF 126, SYP-3375, azoles bacterium ester, Fluoxastrobin, a kind of in 2-cyano-3-amino-3-phenylancryic acetate, or triazole type sterilization component Tebuconazole, propiconazole, Difenoconazole, nitrile bacterium azoles, Flusilazole, triazolone, bromuconazole, own azoles alcohol, metconazole, Triadimenol, epoxiconazole, tetraconazole, a kind of in triticonazole, or sulfur-bearing class sterilization component zineb, S-Ethyl ethylthio sulfonate, Propineb, Carbatene, tpn, carbendazim, thiophanate-methyl, tmtd, asomate, captan, folpet, sulfonat, fenaminosulf, a kind of in ambam, or miazines sterilization component cyprodinil, the phonetic phenol of second, the fluorine mepanipyrim, a kind of in mepanipyrim, or biogenic substances sterilization component polyoxin, jinggangmeisu, kasugarnycin, a kind of in Zhongshengmycin, or organic phosphates sterilization component iprobenfos, a kind of in edifenphos, or amide-type sterilization component dimethomorph, zoxamide, efficient metalaxyl, efficient M 9834, a kind of in fluopicolide, or imidazoles sterilization component Prochloraz, cyazofamid, Fenamidone, a kind of in pefurazoate, or oxazole class sterilization Cheng Fen famoxadone, a kind of in Wakil.Preferably, above-mentioned sterilization component is a kind of in orysastrobin, pyraclostrobin, Tebuconazole, zineb, S-Ethyl ethylthio sulfonate, cyprodinil, polyoxin.
Above-mentioned agriculturally useful compositions processing of the present invention is mixed with suspending agent, granule, wetting powder, water dispersible granules, microemulsion or aqueous emulsion, and is preferred, is mixed with suspending agent or granule.
The present invention also provides the purposes of above-mentioned agriculturally useful compositions for controlling crop diseases and insect pests, described damage by disease and insect is nematode, two spotted spider mite, blister mite, trialeurodes vaporariorum, rice fulgorid, diamond-back moth, flea beetle, tea lesser leafhopper, thrips, beet armyworm, rice leaf roller, aphid, scale insect, rice gall midge, powdery mildew, rust, downy mildew, epidemic disease, banded sclerotial blight, spot defoliation, canker etc., preferably, insect is two spotted spider mite or blister mite.Disease is nematode or powdery mildew.
Composition of the present invention compared with prior art, produces following beneficial effect:
(1) oligosaccharides of the present invention and sulphur can improve the effect of other Insecticiding-miticiding composition or sterilization component as building component.
(2) agriculturally useful compositions of the present invention improves the successful of crop pest or insect pest, is beneficial to and reduces dosage or medication number of times;
(3) composition pesticide has enlarged application target and effect, and dispenser pest control simultaneously and disease, improve crop growing state;
(4) due to the mechanism of action difference of active component in composition pesticide, according to the pest resistance to insecticide theory and practice, its application can delay the resistance development of damage by disease and insect to medicament, extends single dose service life.
Embodiment
The following stated, only be used to explaining the present invention, for not departing from modification, replacement or the improvement that the present invention is spiritual and principle is made, all belongs to the scope of protection of present invention.
Embodiment 160% oligosaccharides sulphur Abamectin
Oligosaccharides 0.5g, sulphur 59g, Avermectin 0.5g, naphthalenesulfonate formaldehyde condensation compound 5g, sodium alkyl benzene sulfonate 5g, fine sand 10g, bentonite 20g are mixed, mixture is carried out to granulation after ultra-fine grinding, drying, screening, both made 60% oligosaccharides sulphur Abamectin.
Embodiment 240% oligosaccharides sulphur tebuconazole suspension concentrates
Oligosaccharides 1g, sulphur 29g, Tebuconazole 10g, sodium lignin sulfonate 3g, the withered powder 5g of tea, bentonite 5g, Magnesiumaluminumsilicate 2g, ethylene glycol 5g are fully mixed, add water 15g and fully grind, water complements to 100g, is mixed with 40% oligosaccharides sulphur tebuconazole suspension concentrates.
Embodiment 3 chitosan oligosaccharides and sulphur are as the effect of building component control nematode
Take macrolide constituents Avermectin, first dimension salt and organophosphorus insecticide composition fosthiazate, isazofos as example, chitosan oligosaccharide and the sulphur composition effect as building component control nematode is described.With sterilizing soil and sterilizing river sand, be mixed into compost, sneak into the granule of composition or single dose, fully mix thoroughly, add clear water to make water content 40%, the basin alms bowl of packing into, the 20d cotton plants of growing is transplanted in basin, 10d after transplanting, 500 of every basin access Meloidogyne incognita 2 instar larvaes, be placed in greenhouse, the quantitative watering management.If 3 repetitions of every processing, according to trial test, establish different single doses, binary mixture, ternary mixture and blank and process.After 30d, when blank plant rhizosphere has a large amount of root knot, the every strain average root of investigation records footing, and carry out classification by Liu Weizhi (1995): 0 grade, without root knot; 1 grade, the 1-2 root knot; 2 grades, 3-10 root knot; 3 grades, 11-30 root knot; 4 grades, 31-100 root knot; 5 grades, 100 above root knots.The results are shown in Table 1.
Table 1 chitosan oligosaccharide and sulphur are as the effect of building component to nematode
Chitosan oligosaccharide and sulphur are tieed up the effect of salt, fosthiazate, isazofos in Table 1 as building component to Avermectin, first.Can find out, under certain medication, the combined treatment of chitosan oligosaccharide and sulphur is few than the root knot number that sulphur is processed and chitosan oligosaccharide is processed respectively to the Levant Cotton Root footing, sulphur and Avermectin combination, sulphur and the combination of first dimension salt, sulphur and fosthiazate combination, sulphur and isazofos combination are all few than the root knot number of its single component to the Levant Cotton Root footing, and chitosan oligosaccharide and Avermectin combination, chitosan oligosaccharide and the combination of first dimension salt, chitosan oligosaccharide and fosthiazate combination, chitosan oligosaccharide and isazofos combination are few than the root knot number of its single component to the Levant Cotton Root footing; And, in Avermectin, first, in tieing up salt, fosthiazate, isazofos, adding the composition of sulphur and chitosan oligosaccharide respectively, the Levant Cotton Root footing is 0 or 1 respectively, sick level is 0 grade or 1 grade.Visible, in four ternary compositions, arbitrary ternary composition significantly is better than the effect of arbitrary single dose and the combination of any two single doses in ternary to the preventive effect of root-knot nematode.Beyond thoughtly be, with respect to single component, appoint triple combination and appoint binary combination to cotton plants have that the leaf of promotion is green, strong sprout effect, and the sensory effects to cotton plants of the relative binary combination of triple combination is obvious.Visible, the composition of chitosan oligosaccharide, sulphur can improve the effect of control nematode as building component, and have promote that leaf is green, strong sprout effect.
Embodiment 4 chitosan oligosaccharides and sulphur are as the effect of building component to apple pest
To kill acaricidal composition spiral shell mite ester, Bifenazate as example, chitosan oligosaccharide and the sulphur composition effect as building component is described.At apple flower later stage listing mark experimental field, before dispenser investigation list two spotted spider mite on branch, a situation arises for powdery mildew.Accurately different medicine components is mixed with to suspending agent respectively, according to dosing, carries out diluting before medicine, use the manual sprayer even spraying, every processing spray 1 strain, and establish corresponding medicament contrast and blank.After medicine, 10d investigation is sprayed 1 time after respectively listing and processing two spotted spider mite a situation arises again, and after the 2nd medicine, the 7d investigation is listed and processed powdery mildew a situation arises, and observes the growing way situation.Statistics is in Table 2.
Table 2 chitosan oligosaccharide and sulphur are as the effect of building component to apple pest
Chitosan oligosaccharide and sulphur as building component to the effect of apple pest in Table 2.Can find out, under specific dosage, the combination mixture of sulphur and chitosan oligosaccharide is to the preventive effect of European red mite, apple mildew all higher than the effect of chitosan oligosaccharide single dose, sulphur single dose, and the combination mixture of sulphur and chitosan oligosaccharide is to the apple leaf look greener; Chitosan oligosaccharide and the combination of spiral shell mite ester, chitosan oligosaccharide and Bifenazate combination are all high than the effect of single component to the effect of European red mite and apple mildew, and the leaf look greener; Sulphur and the combination of spiral shell mite ester, sulphur and Bifenazate combination are all high than the effect of its single component to the effect of European red mite, and the leaf look greener; In addition, in spiral shell mite ester, Bifenazate, add respectively sulphur and chitosan oligosaccharide composition processing to the effect of two spotted spider mite and powdery mildew all higher than triple combination in the effect of arbitrary single dose and the combination of any two single doses, and the leaf look dark green.So chitosan oligosaccharide and sulphur have synergistic effect as building component to spiral shell mite ester, Bifenazate, the plant growing way is good, is beneficial to and reduces dosage and increasing both production and income.
Embodiment 5 chitosan oligosaccharides and sulphur are as the effect of building component to the oranges and tangerines damage by disease and insect
Take insecticidal constituent spiral shell worm ethyl ester, pyridaben as example, chitosan oligosaccharide and the sulphur composition effect as building component is described.At oranges and tangerines experimental field, spend the later stage listing mark, before dispenser investigation list powdery mildew on branch, a situation arises for blister mite.Accurately different medicine components is mixed with to suspending agent respectively, according to dosing, carries out diluting before medicine, use the manual sprayer even spraying, every processing spray 1 strain, and establish corresponding medicament contrast and blank.After medicine, 10d sprays 1 time after investigating the generation quantity of processing blister mite of respectively listing again, and after the 2nd medicine, the 7d investigation is listed, and a situation arises for the processing powdery mildew, and observe the growing way situation.Statistics is in Table 3.
Table 3 chitosan oligosaccharide and sulphur are as the effect of building component to the oranges and tangerines damage by disease and insect
Chitosan oligosaccharide and sulphur as building component to the effect of oranges and tangerines damage by disease and insect in Table 3.Can find out, under specific dosage, the combination of sulphur and chitosan oligosaccharide is to the preventive effect of oranges and tangerines blister mite and oranges and tangerines powdery mildew all higher than the effect of chitosan oligosaccharide single dose, sulphur single dose, and the combination of sulphur and chitosan oligosaccharide is to oranges and tangerines leaf look greener; All the effect of the single component of combination is high to the effect of oranges and tangerines blister mite and oranges and tangerines powdery mildew for chitosan oligosaccharide and the combination of spiral shell worm ethyl ester, chitosan oligosaccharide and pyridaben combination, and the leaf look greener; Sulphur and the combination of spiral shell worm ethyl ester, sulphur and pyridaben combination are all high than the effect of its single component to the effect of oranges and tangerines blister mite, and the leaf look greener; In addition, in spiral shell worm ethyl ester, pyridaben, add respectively sulphur and chitosan oligosaccharide composition processing to the effect of blister mite and powdery mildew all higher than ternary in the effect of arbitrary single dose and the combination of any two single doses, and the leaf look dark green.So chitosan oligosaccharide and sulphur have synergistic effect as building component to spiral shell worm ethyl ester, pyridaben, the plant growing way is good, is beneficial to and reduces dosage and increasing both production and income.
Embodiment 6 chitosan oligosaccharides and sulphur are as the effect of building component to wheat powdery mildew
Single compound or composition are prepared into to the suspending agent mother liquor of 1000mg/L.According to trial test, a certain amount of above-mentioned mother liquor is diluted with 0.1% Tween 80, be mixed with the concentration that needs.During mensuration, first liquid medicine jet is imposed on to potted plant wheat plant, then inoculate the former bacterium of wheat powdery mildew, moisturizing is placed in greenhouse and cultivates after cultivating 24h, after certain hour, measures the percentage that plant leaf surface infects.Use the Abbot formula, convert percentage to preventive effect.The results are shown in Table 4.
Table 4 chitosan oligosaccharide and sulphur are as the effect of building component to sterilization component
Chitosan oligosaccharide and sulphur as the sterilization building component to the effect of wheat powdery mildew in Table 4.Can find out, under specific dosage, the combination of sulphur and chitosan oligosaccharide is to the preventive effect of wheat powdery mildew all higher than the effect of chitosan oligosaccharide single dose, sulphur single dose, and the combination mixture of sulphur and chitosan oligosaccharide is to the wheat leaf look greener; Chitosan oligosaccharide and orysastrobin combination, chitosan oligosaccharide and pyraclostrobin combination, chitosan oligosaccharide and Tebuconazole combination, chitosan oligosaccharide and zineb combination, chitosan oligosaccharide and S-Ethyl ethylthio sulfonate, chitosan oligosaccharide and cyprodinil, chitosan oligosaccharide and polyoxin are all high than the effect of its single component to the effect of wheat powdery mildew, and the leaf look greener; And can find out, sulphur and orysastrobin, sulphur and pyraclostrobin, sulphur and Tebuconazole, sulphur and zineb, sulphur and S-Ethyl ethylthio sulfonate, sulphur and cyprodinil, sulphur and polyoxin are all high than the effect of its single component to the effect of wheat powdery mildew, and the leaf look greener; In orysastrobin, pyraclostrobin, Tebuconazole, zineb, S-Ethyl ethylthio sulfonate, cyprodinil, polyoxin, add respectively the composition of sulphur and chitosan oligosaccharide, all higher than the effect of arbitrary single dose in ternary and the combination of any two single doses, and the leaf look dark green to the effect of wheat powdery mildew.So chitosan oligosaccharide and sulphur have synergistic effect as the sterilization building component to orysastrobin, pyraclostrobin, Tebuconazole, zineb, S-Ethyl ethylthio sulfonate, cyprodinil, polyoxin, the wheat growing way is good, is beneficial to and reduces dosage and increasing both production and income.
Claims (10)
1. oligosaccharides and sulphur, as the agriculturally useful compositions of building component, is characterized in that in agriculturally useful compositions also containing other farm chemical ingredients, and the ratio of quality and the number of copies of oligosaccharides and sulphur is 1:0.1-200, and oligosaccharides is pectic oligosaccharides, sodium alginate oligosaccharides or chitosan oligosaccharide.
2. according to claim 1 agriculturally useful compositions, is characterized in that oligosaccharides is chitosan oligosaccharide.
3. oligosaccharides and sulphur, as the agriculturally useful compositions of building component, contain oligosaccharides in said composition, sulphur and other Insecticiding-miticiding composition, wherein, oligosaccharides, the ratio of quality and the number of copies of sulphur and other Insecticiding-miticiding compositions is 1:0.1-200:0.1-100, and in above-mentioned composition, oligosaccharides is pectic oligosaccharides, sodium alginate oligosaccharides or chitosan oligosaccharide, Insecticiding-miticiding composition are the macrolides Avermectin, emamectin-benzoate, ivermectin, a kind of in pleocidin, or organic phosphates insecticidal constituent fosthiazate, isazofos, chlopyrifos, a kind of in phoxim and Profenofos, or anabasine insecticidal constituent Nitenpyram, Diacloden, Imidacloprid, Acetamiprid, thiacloprid, a kind of in MTI-446 and clothianidin, or amide-type insecticidal constituent cyanogen insect amide, flutolanil, Tolfenpyrad, a kind of in flonicamid and Rynaxypyr, or pyrethroid insecticidal constituent Biphenthrin, ether chrysanthemum ester, gamma cyhalothrin, beta-cypermethrin, a kind of in cypermethrin and tefluthrin, or carbamate insecticide Mobucin, a kind of in thiodicarb, or process for preparation of benzoylurea compounds HEXAFLUMURON, flufenoxuron, fluorine pyridine urea, lufenuron, the fluorine uride, young urea goes out, a kind of in diflubenzuron and Teflubenzuron, or the nereistoxin constituents is selected from the desinsection list, dimehypo, a kind of in cartap, or other constituents spiral shell mite ester, Bifenazate, spiral shell worm ethyl ester, pyridaben, chlorfenapyr, indoxacarb, a kind of in pymetrozine.Preferably, the Insecticiding-miticiding composition is a kind of in Avermectin, first dimension salt, fosthiazate, isazofos, spiral shell mite ester, Bifenazate, spiral shell worm ethyl ester, pyridaben.
4. according to claim 3 agriculturally useful compositions, is characterized in that oligosaccharides is chitosan oligosaccharide.
5. the agriculturally useful compositions of any one according to claim 3-4, agriculturally useful compositions is mixed with suspending agent, granule, wetting powder, water dispersible granules, microemulsion or aqueous emulsion.Preferably, be mixed with suspending agent or granule.
6. according to claim 5 agriculturally useful compositions is for the purposes of preventing and treating crop pest, and described insect is two spotted spider mite, blister mite, trialeurodes vaporariorum, rice fulgorid, diamond-back moth, flea beetle, tea lesser leafhopper, thrips, beet armyworm, rice leaf roller, aphid, scale insect or rice gall midge.Preferably, insect is two spotted spider mite or blister mite.
7. oligosaccharides and sulphur, as the agriculturally useful compositions of building component, contain oligosaccharides in said composition, sulphur and other sterilization component, wherein, oligosaccharides, the mass fraction of sulphur and other sterilization component is than being 1:0.1-200:0.1-100, and oligosaccharides is pectic oligosaccharides, sodium alginate oligosaccharides or chitosan oligosaccharide, sterilization component are methoxy acrylic composition orysastrobin, pyraclostrobin, oxime bacterium ester, ZEN 90160, alkene oxime amine, ZJ0712, SSF 126, SYP-3375, azoles bacterium ester, Fluoxastrobin, a kind of in 2-cyano-3-amino-3-phenylancryic acetate, or triazole type sterilization component Tebuconazole, propiconazole, Difenoconazole, nitrile bacterium azoles, Flusilazole, triazolone, bromuconazole, own azoles alcohol, metconazole, Triadimenol, epoxiconazole, tetraconazole, a kind of in triticonazole, or sulfur-bearing class sterilization component zineb, S-Ethyl ethylthio sulfonate, Propineb, Carbatene, tpn, carbendazim, thiophanate-methyl, tmtd, asomate, captan, folpet, sulfonat, fenaminosulf, a kind of in ambam, or miazines sterilization component cyprodinil, the phonetic phenol of second, the fluorine mepanipyrim, a kind of in mepanipyrim, or biogenic substances sterilization component polyoxin, jinggangmeisu, kasugarnycin, a kind of in Zhongshengmycin, or organic phosphates sterilization component iprobenfos, a kind of in edifenphos, or amide-type sterilization component dimethomorph, zoxamide, efficient metalaxyl, efficient M 9834, a kind of in fluopicolide, or imidazoles sterilization component Prochloraz, cyazofamid, Fenamidone, a kind of in pefurazoate, or oxazole class sterilization Cheng Fen famoxadone, a kind of in Wakil.Preferably, above-mentioned sterilization component is a kind of in orysastrobin, pyraclostrobin, Tebuconazole, zineb, S-Ethyl ethylthio sulfonate, cyprodinil, polyoxin.
8. according to claim 7 agriculturally useful compositions, is characterized in that oligosaccharides is chitosan oligosaccharide.
9. the agriculturally useful compositions of any one according to claim 7-8, agriculturally useful compositions processing is mixed with suspending agent, granule, wetting powder, water dispersible granules, microemulsion or aqueous emulsion.Preferably, be mixed with suspending agent or granule.
10. according to claim 9 agriculturally useful compositions is for preventing and treating the purposes of crop pest, and described disease is nematode, powdery mildew, rust, downy mildew, epidemic disease, banded sclerotial blight, spot defoliation or canker.Preferably, disease is nematode or powdery mildew.
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