CN106342816A - Compound for preventing and treating powdery mildew, preparation and application thereof - Google Patents
Compound for preventing and treating powdery mildew, preparation and application thereof Download PDFInfo
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- CN106342816A CN106342816A CN201610723336.XA CN201610723336A CN106342816A CN 106342816 A CN106342816 A CN 106342816A CN 201610723336 A CN201610723336 A CN 201610723336A CN 106342816 A CN106342816 A CN 106342816A
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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Abstract
The invention discloses a compound for preventing and treating powdery mildew, a preparation and application thereof. The compound is composed of a component A and a component B at a weight ratio of (1-50) to 1, wherein the component A is at least one material selected from ethirimol and bupirimate and the component B is oligosaccharins. The compound and the preparation can restrain powdery mildew, can restrain the secondary multiplication of powdery mildew, can reduce the happening of powdery mildew at the second time or in the next year, can reduce the medicine applying times, can sterilize and regulate growth, can boost the plant health and can enhance the immunity.
Description
Technical field
The present invention relates to technical field of pesticide preparations and in particular to a kind of compositionss for preventing and treating powdery mildew, preparation and
Its application.
Background technology
In global plant disease, most plant all can infect this disease to genus erysiphe, the lighter's plant strain growth of falling ill
Bad, morbidity severe one Herb is dead.The pathogen of powdery mildew belongs to Ascomycotina gang pyrenomycetes Erysiphales Erysiphaceae, is planting
Thing surface stretched into haustorium draw in host cell nutrient and moisture and constantly extend in epidermis (minority powdery mildew as endoparasitism or
Half endoparasitism), so that hazard of plant position is grown suppressed, gradually move back green flavescence, withered spot occurs dried-up to last full leaf, as many
Blade simultaneously aggrieved it is also possible to make plant early withered.The disease later stage, in the mould layer of white lead shape being made up of mycelia and conidium, often
The granular cleistothecium of many scattered black occurs, and is survived the winter with this, secondary spring carries out First aggression with ascospore.Plant growing season
Section, conidium repeats and produces, and is propagated by air-flow, then is infected.Powdery mildew is drought-enduring funguses, in relative humidity very
Under conditions of low, conidium also can sprout, there was dampness in the air, temperature is higher or alternation of wetting and drying, weather conditions that illumination is not enough with
And nitrogenous fertilizer is excessive and situations such as crop is overstocked, is all conducive to the popular of powdery mildew.
At present the powdery mildew antibacterial of commercial type and use has more than 900 through Ministry of Agriculture's formal registration, mostly with
Triazolone, Bravo, thiram, thiophanate-methyl, Fluoxastrobin, Tebuconazole, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane etc. are effective ingredient, using the age
Long, created resistance.In addition also new antibacterial such as 25% bupirimate microemulsion, 8% Flusilazole,
But its medication composition is single, concentration is big, easily produces resistance.Additionally, existing antibacterial all exist preventing and treating not thorough
Defect problem, at the initial stage of a disease or morbidity after use, suppress proliferation of germs, after morbidity cause harm position formed white powder
Thing, some later stages produce cleistothecium in sick portion, and medicinal liquid is difficult to reach, and effective ingredient spraying is after blade surface, through illumination,
The effect such as air is oxidized, decompose after lost efficacy, pathogenic bacteria sprouts again, needs multiple medication.In addition, pathogenic bacteria host is in seed, even
In soil, the coming year runs into suitable temperature, humidity is sprouted, and sickness rate is high.
Content of the invention
In view of this, the application provides a kind of compositionss for preventing and treating powdery mildew, preparation and its application, can be more
While effectively suppressing powdery mildew, the Second propagation of suppression powdery mildew, reduces secondary or next year powdery mildew generation, minimizing is applied
Medicine number of times, growth regulation while sterilization, promote plant healthy, enhancing immunity.
For solving above technical problem, the technical scheme that the present invention provides is a kind of compositionss for preventing and treating powdery mildew,
Described compositionss are by weight than being (1-50): 1 component a and component b forms, described component a be at least one be selected from ethirimol,
Bupirimate, described component b is amino-oligosaccharide.
Preferably, described compositionss are (5-25) by weight ratio: 1 component a and component b form.
It is more highly preferred to, described compositionss are by weight than for (10-25): 1 component a and component b form.
Preferably, described component a is bupirimate.
Technical scheme also provides a kind of preparation for preventing and treating powdery mildew, including combinations of the above thing, described group
The percentage ratio that polymer weight accounts for described total formulation weight is 1-50%, also include solvent, auxiliary agent, in carrier at least two.
Preferably, the percentage ratio that described weight of solvent accounts for described total formulation weight is 1-50%, and described auxiliary agent weight accounts for institute
The percentage ratio stating total formulation weight is 1-10%, and the percentage ratio that described vehicle weight accounts for described total formulation weight is 1-40%.
Preferably, described solvent for any one be selected from water, triethyl phosphate, dibasic ester, tetrahydrofurfuryl alcohol, propylene glycol,
N, n- dimethyl quinoline amide, n- methyl pyrrolidone, dimethyl sulfoxide, sodium hydroxide, ethanolamine, trisodium citrate.
Preferably, described auxiliary agent is selected from termul5036, castor oil polyoxyethylene ether, detergent alkylate sulphur for any one
Sour calcium, phenethyl phenol polyethenoxy ether, succinic acid salt, Polyethylene Glycol aryl diphenyl ether, alkylnaphthalene sulfonate formaldehyde condensation products,
Alkyl naphthyl sodium sulfate salt, succinic acid Diisooctyl sodium sulfonate, eo/po polyethers, polycarboxylate, sodium lignin sulfonate.
It is more highly preferred to, described auxiliary agent is selected from termul5036, phenethyl phenol polyethenoxy ether, alkylnaphthalene for any one
Sulfonate and formaldehyde condensation substance, alkyl naphthyl sodium sulfate salt, succinic acid Diisooctyl sodium sulfonate, eo/po polyethers, polycarboxylate, wood
Quality sodium sulfonate.
Preferably, described carrier for any one be selected from anhydrous magnesium sulfate, poly- sodium borate, tripolyphosphate, pyrophosphate,
Potassium dihydrogen phosphate, potassium sulfate, corn starch, kieselguhr, Kaolin, calcium nitrate, potassium nitrate.
Wherein tripolyphosphate is sodium tripolyphosphate, PTPP (potassium tripolyphosphate), and pyrophosphate is potassium pyrophosphate, sodium pyrophosphate, institute
The calcium nitrate stated and potassium nitrate are also used as the nutritional labeling of plant.
Technical scheme also provides a kind of combinations of the above thing preventing and treating powdery mildew, suppressing the secondary numerous of powdery mildew
Grow, reduce spraying times, promote crop healthy on application.
Wherein said crop is Semen Tritici aestivi, Fructus Cucumidis sativi, Lagerstroemia indica L., Oryza sativa L., Fructus Musae.
Ethirimol described in technical scheme is a kind of antibacterial of absorbability, by blade and root absorption；
Described bupirimate is a kind of adenosine deaminase inhibitors, can be absorbed rapidly by axis, leaf, and in plant
Inside run to each position, suppress pathogenic bacteria Sporulation, but produce resistance to easy when alone；Described amino-oligosaccharide is
D- glucosamine with the bonded oligosaccharide of β -1.4 glucosides, obtained by chitin degrading degrade again after shitosan prepared, or by
The low toxicity antibacterial that fermentable extracts, can be passivated virus activity, the synthesis of viral interference rna, and induction hypha form occurs
In variation, spore, biochemistry changes；Activation plant cell, excites gene in plant body, quickly causes no, h2o2、ca2+And jasmine
The generation of the semiochemicalses such as acid, thus causing the outburst of active oxygen, chitinase activity in induction plant body, strengthen plant itself
Anti-virus ability, hinders virion to be combined with each other, destroy the cell wall of pathogenic bacteria, hinder the life of pathogenic bacteria spore-germination and pathogenic bacteria
Long.
Compositionss described herein, are entered using at least one in ethirimol, bupirimate and amino-oligosaccharide
Row combination, can reach the effect that preventing and treating combines, and while killing powdery mildew, inducing fungal hypha form changes, spore
Interior biochemistry changes, and affects fungus spore germination, while effective suppression powdery mildew, the Second propagation of suppression powdery mildew,
Reduce spraying times；Meanwhile, both are used in combination, and can expand fungicidal spectrum, not only good drug efficacy, are not easy to produce resistance；Additionally,
Growth regulation while sterilization, promotes plant healthy, enhancing immunity, and amino-oligosaccharide is except having killing to fungal disease
Effect, moreover it is possible to promote well developed root system, promotes the absorption of Plant To Nutrient element, strengthens crop immunity and disease resistance, increasing of promoting production
Receive；And after sterilizing, recovering the normal growing environment of plant, the secondary outburst of suppression disease, the mould layer of white lead shape of powdery mildew is due to sky
The effect of gas is scattered in soil, causes spreading again of pathogenic bacteria, and amino-oligosaccharide can improve soil flora, and suppression harmful bacteria is simultaneously
Promote the growth of probioticss, reduce secondary or next year powdery mildew generation.Additionally, using in ethirimol, bupirimate
At least one and amino-oligosaccharide be combined, be not only able to the preventing and treating of powdery mildew is had good effect, simultaneously also suitable
When expand antimicrobial spectrum, to head blight, leaf blight, leaf spot etc., also there is certain effect.
In sum, technical scheme compositionss and its preparation can suppress white lead while suppressing powdery mildew
The Second propagation of bacterium, reduces secondary or next year powdery mildew generation, reduces spraying times, growth regulation while sterilization,
Promote plant healthy, enhancing immunity, the preventing and treating to powdery mildew and promote plant healthy on be respectively provided with the effect of Synergistic.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
Embodiment 1
A kind of preparation for preventing and treating powdery mildew described in technical scheme, is obtained by following components:
Its preparation method is:
(1) each raw material in formula is carried out premixing 10-15 minute according in stoichiometry, input stainless steel；
(2) material after premixing is carried out comminution by gas stream；
(3) material after pulverizing is remixed, incorporation time 10-15 minute.
With reference to ny/t 1427-2007 pesticide storage at normal temperature stability test general rule, stability is carried out to above-mentioned solid preparation
Test, result of the test such as table 1:
Table 1 embodiment 1 preparation stability result of the test
Embodiment 2
A kind of preparation for preventing and treating powdery mildew described in technical scheme, is obtained by following components:
Its preparation method is:
(1) each raw material in formula is carried out premixing 10-15 minute according in stoichiometry, input stainless steel；
(2) material after premixing is carried out comminution by gas stream；
(3) material after pulverizing is remixed, incorporation time 10-15 minute.
(4) water of the weight that adds materials 10% about carries out mediating, pelletize, drying, form water dispersible granules finished product.
With reference to ny/t 1427-2007 pesticide storage at normal temperature stability test general rule, stability is carried out to above-mentioned solid preparation
Test, result of the test such as table 2:
Table 2 embodiment 2 preparation stability result of the test
Embodiment 3
A kind of preparation for preventing and treating powdery mildew described in technical scheme, is obtained by following components:
Its preparation method is:
(1) phenethyl phenol polyethenoxy ether is added triethyl phosphate dissolving mix homogeneously, add bupirimate molten
Solution, forms oil phase；
(2) amino-oligosaccharide is added in pure water and dissolve, add propylene glycol, form aqueous phase；
(3) aqueous phase is slowly added to oil phase, after mix homogeneously, adds ethanolamine mix homogeneously.
With reference to ny/t 1427-2007 pesticide storage at normal temperature stability test general rule, stability is carried out to aforesaid liquid preparation
Test, result of the test such as table 3:
Table 3 embodiment 3 preparation stability result of the test
Embodiment 4
A kind of preparation for preventing and treating powdery mildew described in technical scheme, is obtained by following components:
Its preparation method is:
(1) tetrahydrofurfuryl alcohol and n are used, bupirimate is dissolved by n- dimethyl quinoline amide, forms oil phase；
(2) amino-oligosaccharide adds in propylene glycol and the mixed solution of pure water and dissolves, and forms aqueous phase；
(3) aqueous phase is added oil phase mix homogeneously, add ethanolamine mix homogeneously.
With reference to ny/t 1427-2007 pesticide storage at normal temperature stability test general rule, stability is carried out to aforesaid liquid preparation
Test, result of the test such as table 4:
Table 4 embodiment 4 preparation stability result of the test
Embodiment 5
A kind of preparation for preventing and treating powdery mildew described in technical scheme, is obtained by following components:
Its preparation method is:
(1) by each raw material in formula according to stoichiometry, add and prepare mixed dissolution in kettle；
(2) dissolution time 60-90 minute；
(3), after dissolving completely, filter, blowing.
With reference to ny/t 1427-2007 pesticide storage at normal temperature stability test general rule, stability is carried out to aforesaid liquid preparation
Test, result of the test such as table 5:
Table 5 embodiment 5 preparation stability result of the test
Embodiment 6
A kind of preparation for preventing and treating powdery mildew described in technical scheme, is obtained by following components:
Its preparation method is:
(1) each raw material in formula is carried out premixing 10-15 minute according in stoichiometry, input stainless steel；
(2) material after premixing is pulverized；
(3) material after pulverizing is remixed, incorporation time 10-15 minute.
With reference to ny/t 1427-2007 pesticide storage at normal temperature stability test general rule, stability is carried out to aforesaid liquid preparation
Test, result of the test such as table 6:
Table 6 embodiment 6 preparation stability result of the test
Embodiment 7
A kind of preparation for preventing and treating powdery mildew described in technical scheme, is obtained by following components:
Its preparation method is:
(1) thickening fluid is prepared: aluminium-magnesium silicate, xanthan gum is pressed stoichiometry, adds the 30% of pure water weight, in 40 DEG C
Insulation more than 12h, stand-by；
(2) leftover materials are pressed metering and add sand mill, grind 2h；
(3) thickening fluid is added sand mill to grind 20 minutes, filter after being uniformly dispersed, blowing.
With reference to ny/t 1427-2007 pesticide storage at normal temperature stability test general rule, stability is carried out to aforesaid liquid preparation
Test, result of the test such as table 7:
Table 7 embodiment 7 preparation stability result of the test
Embodiment 8
Experiment one, herein described compositionss test (indoor) to the preventive effect of Powdery Mildew of Grand Myrtle
1st, subjects: Lagerstroemia indica L.
2nd, experimental technique: adopt spore germination method, the reagent agent of variable concentrations is being carried glass with pipet Deca 10ul
On piece, then Powdery Mildew of Grand Myrtle pathogenic bacteria spore is configured to the suspension of 50000/ml, takes 10ul Deca in reagent agent table
Face, keeps 20-25 DEG C in constant incubator, and humidity 70% about is cultivated 72 hours, observes mycelial growth situation.
3rd, data statistic analysis: be analyzed using dps6.55 (duncan) statistical software.Calculated according to test data
Go out the germination rate of pathogenic bacteria spore, the suppression ratio of pathogenic bacteria spore, the theoretical suppression ratio of amino-oligosaccharide and bupirimate, work in coordination with
Toxicity index, spore anabiosis rate.
It is potentiation when collaborative toxicity index is more than or equal to 20, be antagonism less than or equal to minus 20, minus 20
It is summation action between 20.
Spore anabiosis rate, using spore germination method, has been suppressed the suspension that the spore sprouted is configured to 50000/ml
Liquid, takes 10ul Deca in the culture dish containing culture medium, keeps 20-25 DEG C in constant incubator, humidity 70% about, training
Support 72 hours, microscopy observes spore recovery situation.
Wherein said Lagerstroemia indica L. is a kind of small-sized arbor, originates in Chinese, stronger to the adaptability of environmental condition long-lived seeds,
Arid and cold, but it is planted in robust growth in fertile, deep, the loose soil in subacidity, acid, the florescence is long；Be afraid of flood, avoid
Plant local in the high low humidity of level of ground water；Light, growing and blooming all needs the sunlight of abundance, also slightly resistance to shade；In warm and moist
Grow vigorous under weather conditions.The month at florescence 7-9, north fruit oval, the 11-12 month is ripe.
Powdery Mildew of Grand Myrtle is to be survived the winter on sick bud, sick branch or fallen leaves with mycelium, and spring in next year temperature is survived the winter when being suitable for
Mycelia starts growth promoter, produces substantial amounts of conidium, and is propagated by air-flow and infect.Disease is typically in April
Start to occur, June tends to serious, 7-8 month can be eased up because weather is scorching or be stopped, but 9-10 month again may be once again
Retransmit.Powdery mildew occurs seriously under conditions of rainy season or relative humidity are higher, and inclined nitrogen fertilizer application, plant are planted overstocked or divulge information thoroughly
Light is bad to be all conducive to falling ill.
The each single dose of table 8 or compositionss are applied to the laboratory test results of Powdery Mildew of Grand Myrtle
Experiment two, herein described compositionss test (field test) to the adjustment effect of the plant with Powdery Mildew of Grand Myrtle
1st, subjects: lobule Lagerstroemia indica L.
2nd, controlling object: Powdery Mildew of Grand Myrtle
3rd, test period: mid-June is to early August
4th, test method: carry out dispenser by the way of Herb spraying, after 7 days, carry out second dispenser, twice dispenser
Time is all in morning 10:00.Again after 7 days, after 14 days, carry out observing for the first time, for the second time the safety spraying medicine
Property.According to " criterion " (two standards), every cell takes 5 point samples, 3 plants of every randomization, totally 15 plants.Investigation in 7 days after second medicine
Powdery mildew suppression ratio.The investigation diameter of a cross-section of a tree trunk 1.3 meters above the ground (from the ground at 20cm) and plant height after spraying in second, interval is investigated purple again after 30 days
The common vetch diameter of a cross-section of a tree trunk 1.3 meters above the ground and plant height, the contrast Lagerstroemia indica L. diameter of a cross-section of a tree trunk 1.3 meters above the ground, plant height, and calculate diameter of a cross-section of a tree trunk 1.3 meters above the ground increasing value and rate of increase, plant height increasing value and the increasing of Lagerstroemia indica L.
Long rate, and secondary relapse rate.The results are shown in Table 9.
The growth in the plant all one's life of lobule Lagerstroemia indica L. shows as " s " shape growth curve, and Producing reason is more complicated, and it is main
Relevant with the size of photosynthetic area and the power of vital movement.Early growth period, seedling photosynthetic area is little, and root system is undeveloped, growth
Speed is slow；Mid-term, with the rapid expansion of plant photosynthesis area and the foundation of heavy root system, growth rate is substantially accelerated；Arrive
In the later stage, plant is gradually old and feeble, and photosynthetic rate slows down, and root growth is slow, and growth is gradually slowly so that stop.Advised according to grand period of growth
Rule, can take corresponding measure, promote or suppress organ down to the growth of whole plant.Described lobule Lagerstroemia indica L., year increment is about
For 1～3cm..
The each single dose of table 9 or compositionss are applied to the maturation history table of lagerstroemia indica tree after lobule Powdery Mildew of Grand Myrtle
Can be seen that from upper table, bupirimate using suppressing powdery mildew, maintains lobule Lagerstroemia indica L. in higher concentrations
Normal growth.Herein described compositionss amino-oligosaccharide and bupirimate can not only suppress powdery mildew ,-breast can also be promoted
Footpath and height growth.
Embodiment 9
Experiment one, herein described compositionss test (indoor) to the preventive effect of powdery mildew of cucumber
1st, experimental technique: adopt spore germination method, the reagent agent of variable concentrations is being carried glass with pipet Deca 10ul
On piece, then powdery mildew of cucumber pathogenic bacteria spore is configured to the suspension of 50000/ml, takes 10ul Deca in reagent agent table
Face, keeps 20～25 DEG C in constant incubator, and humidity 70% about is cultivated 72 hours, observes mycelial growth situation.
2nd, data statistic analysis: be analyzed using dps6.55 (duncan) statistical software.Calculated according to test data
Go out germination rate, the suppression ratio of pathogenic bacteria spore of pathogenic bacteria spore, the theoretical suppression ratio of amino-oligosaccharide and bupirimate, work in coordination with
Toxicity index, spore anabiosis rate.
Wherein, secondary relapse rate refers to because of the pathogenic bacteria of the dormancy by medicine, and spore is sprouted again under appropriate conditions.
Wherein, powdery mildew of cucumber pathogen is funguses, belongs to Ascomycotina gang pyrenomycetes Erysiphales Erysiphaceae monofilament
Shell belongs to, and is obligatory parasitism disease, can parasitize on host plant throughout the year, become primary source of infection.The morbidity thermophilic of this pathogenic bacteria is in 20-25
DEG C, relative air humidity is required not strict, under the conditions of 25% about relative air humidity, disease also can occur and flow
OK.
It is potentiation when collaborative toxicity index is more than or equal to 20, be antagonism less than or equal to minus 20, minus 20
It is summation action between 20.
The each single dose of table 9 or compositionss are applied to the laboratory test results of powdery mildew of cucumber
Experiment two, herein described compositionss test (field test) to the preventing and treating of powdery mildew of cucumber and growth regulation
1st, subjects: powdery mildew of cucumber
2nd, test period: early June is to late June
3rd, climate condition: 25～35 DEG C, wind speed 3-6 level, humidity 70～90%
4th, test method: carry out dispenser by the way of Herb spraying, after 7 days, carry out second dispenser, twice dispenser
Time is all in morning 10:00.Again after 7 days, after 14 days, carry out observing for the first time, for the second time the safety spraying medicine
Property.According to " criterion " (two standards), every cell takes 5 point samples, 8 plants of every randomization, totally 40 plants of whole blades of investigation, and record is adjusted
Look into total number of sheets, the sick number of sheets, calculate disease index and preventive effect in accordance with the following methods, the results are shown in Table 10.
Blade staging:
0 grade: anosis
1 grade: lesion area accounts for total blade area below 1%；
3 grades: lesion area accounts for total blade area 1-10%；
5 grades: lesion area accounts for total blade area 11-20%；
7 grades: lesion area accounts for total blade area 21-50%；
9 grades: lesion area accounts for total blade area more than 51%.
X is the actual preventive effect of bupirimate under concentration, and y is that the reality of amino-oligosaccharide under concentration is prevented
Effect.Relatively theoretical preventive effect and actual preventive effect, evaluates the synergism of compositionss, is more than theoretical preventive effect with actual preventive effect and makees for potentiation
With.
The table 10 each group single dose and compositionss prevention effect to powdery mildew of cucumber
Table 11 each group single dose and compositionss act on to cucumber plant growth regulation
Embodiment 10
The herein described compositionss or preparation prevention effect (field test) to other plant disease
First, wheat scab
1st, subjects: wheat scab preventing and treating
2nd, test period: late March to early April, Hainan
3rd, climate condition: 20～30 DEG C, wind speed 3-5 level, humidity 70～80%
4th, test method: carry out dispenser by the way of Herb spraying, after 7 days, carry out second dispenser, twice dispenser
Time is all in morning 10:00.Again after 7 days, after 14 days, carry out observing for the first time, for the second time the safety spraying medicine
Property.According to " criterion " (two standards), every cell takes 5 point samples, 5 plants of every randomization, totally 25 plants of whole blades of investigation, and record is adjusted
Look into total number of sheets, the sick number of sheets, calculate disease index and preventive effect in accordance with the following methods, the results are shown in Table 12.
5th, data statistic analysis: be analyzed using dps6.55 (duncan) statistical software.Calculated according to test data
Go out germination rate, the suppression ratio of pathogenic bacteria spore of pathogenic bacteria spore, the theoretical suppression ratio of amino-oligosaccharide and bupirimate, work in coordination with
Toxicity index, synergism.
Wherein, wheat scab is caused by multiple Fusarium spp., more than 7 DEG C of spring temperature, and soil moisture content is more than 50% shape
Become the shell of ascus, temperature is higher than 12 DEG C of formation ascospore.In rainfall or in the case that there was dampness in the air, ascospore is ripe to be simultaneously scattered
On flower pesticide, infect small ear morbidity through filigree.Ripe late, clever shell is thicker, it is heavier to fall ill intolerant to fertile kind；Field invalid body bacterium amount is big
Morbidity weight；Hypsography low-lying, impeded drainage, heavy soil, inclined nitrogen fertilizer application, density are big, field closing morbidity weight.
It is potentiation when collaborative toxicity index is more than or equal to 20, be antagonism less than or equal to minus 20, minus 20
It is summation action between 20.
The each single dose of table 12 or compositionss are applied to the laboratory test results of wheat scab
2nd, sigatoka
1st, subjects: Fructus Musae Williams, leaf spot is prevented and treated
2nd, test period: late July to early August, Hainan
3rd, climate condition: 25～35 DEG C, wind speed 3-5 level, humidity 80～100%
4th, test method: carry out dispenser by the way of Herb spraying, after 7 days, carry out second dispenser, twice dispenser
Time is all in morning 10:00.Again after 7 days, after 14 days, carry out observing for the first time, for the second time the safety spraying medicine
Property.According to " criterion " (two standards), every cell takes 5 point samples, 5 plants of every randomization, totally 25 plants of whole blades of investigation, and record is adjusted
Look into total number of sheets, the sick number of sheets, Banana Growth figureofmerit, banana quality quality index, calculate disease index in accordance with the following methods and prevent
Effect, the results are shown in Table 13.
Wherein, described Fructus Musae is Williams, and in Williams genus, dry type perfume tooth any of several broadleaf plants, introduces from Australia.Plant vacation is in height
250～280 centimetres, 47～58 centimetres of girth；Blade is relatively up to 175～193 centimetres, blade slightly vertical growth；Fruit ear length 65～
80 centimetres, comb shape preferably, really refers to arrangement and closely, really refers to directly, and comb number mostly also relatively is 8～10 combs.Fruit number is slightly few；Really refer to longer.Really
Refer to as 19～23 centimetres, quality is medium.This kind fruit shape commodity property is good, but wind resistance power is poor, also more susceptible leaf spot.At me
State's each producing region trait expression differs, and reflection is also different.
Sigatoka common are two kinds, i.e. yellow bar leaf spot and secret note leaf spot.Over the past two years, in Meng Ding banana garden
Happen occasionally, Leaf of banana injured area often accounts for the 20%～40% of the blade gross area, when serious, reach more than 80%, diseased plant big
Most blades dry up death, and plant can not ear solid, or fruit ear, really refer to diminish, lead to yield to subtract greatly, fruit quality declines,
Can the underproduction more than fifty percent when serious.
Leaf spot belongs to fungal disease, easy happening and prevelence under hot and humid weather condition, especially after Heavy Rain of Typhoon,
Blade causes wound many, and morbidity is even more serious.With dense planting, do not remove suction bud, drainage of soil is bad, any of several broadleaf plants garden surrounding is weedy, pipe
Inconsiderate, the inclined nitrogen fertilizer application of reason, the morbidity of ventilation condition Cha Jiao garden are most commonly seen.
Blade staging:
0 grade: anosis
1 grade: lesion area accounts for total blade area below 1%；
3 grades: lesion area accounts for total blade area 1-10%；
5 grades: lesion area accounts for total blade area 11-20%；
7 grades: lesion area accounts for total blade area 21-50%；
9 grades: lesion area accounts for total blade area more than 51%.
X is the actual preventive effect of bupirimate under concentration, and y is that the reality of amino-oligosaccharide under concentration is prevented
Effect.Relatively theoretical preventive effect and actual preventive effect, evaluates the synergism of compositionss, is more than theoretical preventive effect with actual preventive effect and makees for potentiation
With.
The each single dose of table 13 or compositionss are applied to the test of pesticide effectiveness result of sigatoka
The each single dose of table 14 or compositionss are applied to the test of pesticide effectiveness result of sigatoka
The each single dose of table 14 or compositionss are applied to the test of pesticide effectiveness result of sigatoka
From above-described embodiment as can be seen that technical scheme compositionss powdery mildew not only can be had well
Preventive effect, the Second propagation of suppression powdery mildew, reduces secondary or next year powdery mildew generation, reduces spraying times, in sterilization
Growth regulation simultaneously, improve quality, simultaneously also suitable expands antimicrobial spectrum, and wheat scab, sigatoka etc. are also had
There is preferable effect.
The above is only the preferred embodiment of the present invention it is noted that above-mentioned preferred implementation be not construed as right
The restriction of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of compositionss for preventing and treating powdery mildew it is characterised in that: described compositionss by weight than be (1-50): 1 group
Divide a and component b composition, described component a is that at least one is selected from ethirimol, bupirimate, and described component b is amino-oligosacchride
Element.
2. a kind of compositionss for preventing and treating powdery mildew according to claim 1 it is characterised in that: described compositionss by weight
Amount ratio is (5-25): 1 component a and component b composition.
3. a kind of compositionss for preventing and treating powdery mildew according to claim 2 it is characterised in that: described compositionss by weight
Amount ratio is (10-25): 1 component a and component b composition.
4. a kind of compositionss for preventing and treating powdery mildew according to any one of claim 1-3 it is characterised in that: described group
A is divided to be bupirimate.
5. a kind of preparation for preventing and treating powdery mildew, including the compositionss requiring described in any one of 1-4 it is characterised in that: described
The percentage ratio that composition weight accounts for described total formulation weight is 1-50%, also include solvent, auxiliary agent, in carrier at least two.
6. a kind of preparation for preventing and treating powdery mildew according to claim 5 it is characterised in that: described weight of solvent accounts for institute
The percentage ratio stating total formulation weight is 1-50%, and the percentage ratio that described auxiliary agent weight accounts for described total formulation weight is 1-10%, institute
State vehicle weight account for described total formulation weight percentage ratio be 1-40%.
7. a kind of preparation for preventing and treating powdery mildew according to claim 5 it is characterised in that: described solvent be any one
Kind be selected from water, triethyl phosphate, dibasic ester, tetrahydrofurfuryl alcohol, propylene glycol, n, n- dimethyl quinoline amide, n- methyl pyrrolidone,
Dimethyl sulfoxide, sodium hydroxide, ethanolamine, trisodium citrate.
8. a kind of preparation for preventing and treating powdery mildew according to claim 5 it is characterised in that: described auxiliary agent be any one
Plant and be selected from termul5036, castor oil polyoxyethylene ether, calcium dodecyl benzene sulfonate, phenethyl phenol polyethenoxy ether, succinic acid
Salt, Polyethylene Glycol aryl diphenyl ether, alkylnaphthalene sulfonate formaldehyde condensation products, alkyl naphthyl sodium sulfate salt, succinic acid two are different pungent
Fat sodium sulfonate, eo/po polyethers, polycarboxylate, sodium lignin sulfonate.
9. a kind of preparation for preventing and treating powdery mildew according to claim 5 it is characterised in that: described carrier be any one
Plant and be selected from anhydrous magnesium sulfate, poly- sodium borate, tripolyphosphate, pyrophosphate, potassium dihydrogen phosphate, potassium sulfate, corn starch, diatom
Soil, Kaolin, calcium nitrate, potassium nitrate.
10. the compositionss described in a kind of any one of claim 1-4 are being prevented and treated powdery mildew, the Second propagation of suppression powdery mildew, are being subtracted
Application on few spraying times, promotion crop are healthy.
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| CN201610723336.XA CN106342816A (en) | 2016-08-25 | 2016-08-25 | Compound for preventing and treating powdery mildew, preparation and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108641962A (en) * | 2018-03-23 | 2018-10-12 | 湖北省农业科学院植保土肥研究所 | A method of improving the wheat powdery mildew Plantlet in vitro time |
| CN116114516A (en) * | 2023-01-20 | 2023-05-16 | 河北工业大学 | Biological source method for preventing and treating wheat powdery mildew and application thereof |
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| CN105875210A (en) * | 2016-06-23 | 2016-08-24 | 广西玉林天地网农业科技有限公司 | Method for grafting bergamots |
| CN106172411A (en) * | 2016-07-14 | 2016-12-07 | 海南正业中农高科股份有限公司 | Containing oligochitosan and ethirimol or the bactericidal composition of bupirimate |
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| CN105875210A (en) * | 2016-06-23 | 2016-08-24 | 广西玉林天地网农业科技有限公司 | Method for grafting bergamots |
| CN106172411A (en) * | 2016-07-14 | 2016-12-07 | 海南正业中农高科股份有限公司 | Containing oligochitosan and ethirimol or the bactericidal composition of bupirimate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641962A (en) * | 2018-03-23 | 2018-10-12 | 湖北省农业科学院植保土肥研究所 | A method of improving the wheat powdery mildew Plantlet in vitro time |
| CN116114516A (en) * | 2023-01-20 | 2023-05-16 | 河北工业大学 | Biological source method for preventing and treating wheat powdery mildew and application thereof |
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