CN104938491B - A kind of composition pesticide for preventing and treating corn top-rotten disease - Google Patents
A kind of composition pesticide for preventing and treating corn top-rotten disease Download PDFInfo
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Abstract
The present invention relates to a kind of composition pesticide for preventing and treating corn top-rotten disease, the active ingredient of the composition pesticide includes plant growth regulator and active polysaccharide, wherein plant growth regulator be compound nitrophenol salt, diethyl aminoethyl hexanoate one or two, active polysaccharide be chitosan oligosaccharide, Portugal's polyene sugar one or two, the weight portion of the composition pesticide is：0.05 90.0 parts of plant growth regulator, 0.05 90.0 parts of active polysaccharide.The present invention is resisted the ability of environment-stress, is promoted diseased plant to restore normal growth rapidly using plant growth regulator and the synergy of active polysaccharide, inducing maize basal resistance, enhancing corn, prevents and control the occurrence and development of corn top-rotten disease.
Description
Technical field
The present invention relates to technical field of pesticide, more particularly to a kind of composition pesticide for preventing and treating corn top-rotten disease.
Background technology
Corn top-rotten disease is corn new expression, can be divided into from symptom it is bacillary infect, fungal infections, fungi bacterium mix
Conjunction is infected.Corn top-rotten disease Symptoms complexity is various, can infect morbidity in corn whole growth period.Wheat seeding is：Plant
Slow-growing, there is yellow streak in blade edge chlorosis, and leaf malformation, shrinkage or distortion, grave illness strain are withered or dead；In growth
Later stage shows as：Leaf base rots, only deposits master pulse, and middle and upper part is complete but more lopsided, young leaves top is given birth to afterwards and is rotted, and causes blade short
Small, blade tip is withered or incomplete, and blade edge often occurs cutting incising and yellow striped for shape like knife；Strain shows as：Occur
Downgrade in various degree, top vane is short and small, tissue is incomplete or gauffer distortion, basal part of stem internode is short, often has channel-like of seemingly damaging by worms to open
Split, the visible brown stain of vertical section, the slight disease plant later stage can take out male knot fringe, but female fringe is small, how shaky.Susceptible strain root system is not sent out
Reach, main root is short, root hair is more and carefully in velvet-like, root cap rots brown stain.Corn top-rotten disease finds for 1998 first in Liaoning Province Fuxin,
Onset area accounts for the 1/3 of maize sown area then, and very fast in China's developmenting spread in recent years, the state of an illness is aggravated year by year, and model occurs
Enclose constantly expansion.The provinces and cities such as current Jilin, Liaoning, Heilungkiang, Xinjiang, Gansu, Ningxia, Hebei, Shandong, Henan, Beijing, morbidity
Rate is 5%-34%, and local plot is up to more than 70%.Corn top-rotten disease occurs extensively, and harm is serious, and morbidity strain is had no harvest substantially,
Field diseases are production loss rate, and the important disease of corn is progressively turned into.
It is less to the research of corn top-rotten disease both at home and abroad at present, lack systematic research and effectively preventing measure, morbidity
Mechanism fails to understand that preventing and treating is difficult, and the preventing and treating corn top-rotten disease medicament of implementation is bactericide, fungicide or the two mixing, is carried out
Symptomatic treatment, without obvious prevention effect, there is no the report of preventing and treating corn top-rotten disease effect is significant medicament.
Corn top-rotten disease is classified as ring by inventor by pathogenicity disease first at home by study of incident mechanism for many years
Border coercive disease, by inducing basal resistance, improves diseased plant resistance against diseases and resistance environment-stress ability, slows down and eliminate disease
The allergy that opportunistic pathogen is led to, facilitates the occurrence and development of pathogen symbiosis compatible with corn, prevention and control corn top-rotten disease,
It is the new discovery of corn top-rotten disease study of incident mechanism and chemical control research, at home and abroad there is not yet relevant report.
The content of the invention
It is an object of the invention to provide a kind of efficient, low toxicity, the pesticide combination of preventing and treating corn top-rotten disease free from environmental pollution
Thing.
A kind of composition pesticide of preventing and treating corn top-rotten disease that the present invention is provided, its active ingredient includes plant growth regulating
Agent and active polysaccharide.
Specifically, the active ingredient of the composition pesticide includes the composition of following weight portion：Plant growth regulator
0.05-90.0 parts, active polysaccharide 0.05-90.0 parts.
Preferably, the active ingredient of the composition pesticide includes the composition of following weight portion：Plant growth regulator
0.2-60.0 parts, active polysaccharide 0.2-60.0 parts.
In the composition pesticide：
Described weight portion can be unit of weight known to the pesticide fields such as μ g, mg, g, kg, or above-mentioned known
Unit of weight multiple, such as 10 times, 100 times, 1/10th, 1 percent.
The plant growth regulator be compound nitrophenol salt, diethyl aminoethyl hexanoate one or two, wherein：The compound nitrophenol salt is multiple
Nitre sodium phenolate, compound nitrophenol sylvite or compound nitrophenol ammonium salt.Compound nitrophenol salt is by 5- nitroguaiacols salt, ortho-nitrophenyl phenates, to nitre
Base phenolate is 1 according to weight ratio：2：3 compositions, its sodium salt, sylvite, ammonium salt are similar bioactivator.
The active polysaccharide be chitosan oligosaccharide, Portugal's polyene sugar one or two.
The composition pesticide that the present invention is provided, also contains 1.0-99.0 parts of soluble filler.
The soluble filler is various soluble fillers commonly used in the art.
Preferably, the soluble filler is inorganic salts or organic matter containing plant nutrient ingredient, such as containing potassium, phosphorus,
The inorganic salts or organic salt of magnesium, calcium, manganese, copper, zinc, ammonium etc., the urea containing nitrogen etc..
Further preferably, the soluble filler is calcium chloride, potassium chloride, manganese chloride, magnesium chloride, ammonium chloride, urea, sulphur
Sour ferrous iron, zinc sulfate, copper sulphate, ammonium sulfate, magnesium sulfate, calcium acetate or potassium dihydrogen phosphate.
The preparation that the composition pesticide that the present invention is provided is known in the art, preferably solvable pulvis and aqua.
Present invention also offers application of the above-mentioned composition pesticide in the agricultural chemicals for preparing corn top-rotten disease.When using, one
As use foliage-spray.Those skilled in the art can as needed adjust consumption.
The composition pesticide of the preventing and treating corn top-rotten disease that the present invention is provided has following characteristics：
In the composition pesticide of the preventing and treating corn top-rotten disease that the 1st, the present invention is provided：
Compound nitrophenol salt, including compound nitrophenol sodium salt, compound nitrophenol sylvite or compound nitrophenol ammonium salt, by 5- nitroguaiacols salt, neighbour
Nitrophenolate, p-nitrophenyl phenates composition, weight ratio is 1：2：3, its sodium salt, sylvite, ammonium salt are similar bioactivator.
Compound nitrophenol salt belongs to growth-promoting type plant growth regulator, is a kind of cell-activating agent, soluble in water, stabilization, low toxicity, without residual under normal temperature
Stay, it is applied widely.Compound nitrophenol salt can promote the plasm of cell to flow, and increase cell viability, and enhancing development is improved
Crop disease-resistant anti-adversity ability.
Diethyl aminoethyl hexanoate (Diethyl Aminoethyl Hexanoate), also known as DA-6, chemical name hexanoic acid diethylaminoethanol
Ester, belongs to growth-promoting type plant growth regulator, soluble in water, under normal temperature and neutral and stable under acidic conditions, low toxicity, noresidue,
It is applied widely.Diethyl aminoethyl hexanoate can improve the activity of plant peroxidases and nitrate reductase, improve the content of chlorophyll, plus
Fast photosynthetic speed, strengthens degeneration-resistant anti-harmful ability, promotes plant cell division and elongation, promotes root system development, adjusts internal nutrient
Balance.
Chitosan oligosaccharide (Oligosaccharins), also known as amino-oligosaccharide, chemical name β-Isosorbide-5-Nitrae-oligomerization-gucosamine belong to many
Carbohydrate bioactivator, is a kind of plant resistance to environment stress derivant, soluble in water, stabilization, micro- poison, ring in weak acid and weak base solution
It is easy to degraded in border.Chitosan oligosaccharide can not only activate plant cell, promoting root growth strong sprout, promote plant growth, and can activate plant
The activity of thing immune system, the raising defensive ferment related to disease-resistant and degeneration-resistant metabolism and Active oxygen eliminating enzyme system system, induces plant
The resistance such as disease resistance, cold resistance, high temperature resistance, fighting drought, salt resistance alkali, anti-fertilizer damage, prevention, mitigate and repair adverse circumstance to plant
The injury of cell.
Portugal's polyene sugar category polysaccharide bioactivator, is a kind of new plant resistance to environment stress derivant, and micro- poison is soluble in
Water.Portugal's polyene sugar can induce plant to produce the protective plant protecting agent that can kill pathogenic microorganism as external source regulatory factor, reduce various
The generation of crop disease；Be also used as growth regulator effectively facilitate plant growth, branch, bloom, every generation such as result
Thank to activity, improve crop yield.
2nd, inventor has found that the immediate cause of corn top-rotten disease morbidity is bad environment through study of incident mechanism for many years
Condition, is environment-stress venereal disease evil, and the essence of aobvious disease is the systemic disease resistance that bad environmental condition reduces corn, is induced
Pathologic disease, shows as fungal infection, bacterium infection or fungi bacteria mixed infection, and effectively preventing approach should be induction
Resistance.Inventor prevent and treat composition pesticide screening and the group of corn top-rotten disease from the basic ideas of induction of resistance
With research.
The present invention develops the composition pesticide of the preventing and treating corn top-rotten disease for assembling, many using plant growth regulator and activity
The synergy of sugar, adjusts crop activity in vivo oxygen metabolism, induces crop basal resistance, enhances disease resistance and resistance, promotes
Crop restore normal growth rapidly, prevents and control the occurrence and development of corn top-rotten disease.
3rd, found in studying, plant growth regulator and active polysaccharide have synergy；The multiple nitre of plant growth regulator
Between phenates, diethyl aminoethyl hexanoate, between active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar, preventing and treating corn top-rotten disease there are compensation.Plant
Growth regulator compound nitrophenol salt, diethyl aminoethyl hexanoate one or two, with active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar one or two,
Assembled in the range of certain parts by weight, prevent and treat corn top-rotten disease effect is significant better than plant growth regulator compound nitrophenol salt,
The single dose or mixture of diethyl aminoethyl hexanoate, and the sugared single dose of active polysaccharide chitosan oligosaccharide, Portugal's polyene or mixture.
4th, compared with the current prior art promoted, the pesticide control of implementation is fungicide and bactericide, preventing and treating effect
It is really very poor；The composition pesticide that the present invention is provided is by inducing the hair of the basal resistance of diseased plant, prevention and control corn top-rotten disease
Raw and development, outstanding feature is notable prevention effect.Foliage-spray typically is used, not only prevention corn top can be sprayed with premorbid
The generation of maize ear rot, it is also possible to treated after corn top-rotten disease generation.
Specific embodiment
Following examples and experimental example further illustrate present disclosure, but should not be construed as limiting the invention.
In the following examples, the particle size range of all raw materials is not limited, but in order to meet mobility, the uniformity of preparation
The need for, preferred size is the raw material components of 0.01-0.99mm.But should not be construed as limiting the invention.
In addition, the active ingredient used by the present invention is commercially available purity raw material higher, purity does not reach 100%, but
It is that will not produce other influences.
Embodiment 1：+ 1% Portugal polyene syrup agent of+1% chitosan oligosaccharide of+1% diethyl aminoethyl hexanoate of 1% compound sodium nitrophenolate
98% compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 90% chitosan oligosaccharide 1.1g, 95% Portugal polyene sugar 1.1g are weighed,
It is put into the volumetric flask of 100ml, is dissolved in water and is settled to 100ml, aqua is obtained.
Embodiment 2：The Portugal's polyene solvable pulvis of sugar of+10% chitosan oligosaccharide of+0.1% diethyl aminoethyl hexanoate of 0.1% potassium para-nitrophenate+10%
Weigh 98% potassium para-nitrophenate 0.1g, 98% diethyl aminoethyl hexanoate 0.1g, 90% chitosan oligosaccharide 11.1g, 95% Portugal's polyene sugar
10.5g, filler potassium chloride 78.2g, said components are uniformly mixed.
Embodiment 3：The Portugal's polyene solvable pulvis of sugar of+0.1% chitosan oligosaccharide of+10% diethyl aminoethyl hexanoate of 10% compound nitrophenol ammonium+0.1%
Weigh 98% compound nitrophenol ammonium 10.2g, 98% diethyl aminoethyl hexanoate 10.2g, 90% chitosan oligosaccharide 0.1g, 95% Portugal's polyene sugar
0.1g, filler urea 79.4g, said components are uniformly mixed.
Embodiment 4：The Portugal's polyene solvable pulvis of sugar of+0.5% chitosan oligosaccharide of 20% compound sodium nitrophenolate+0.5%
Weigh 98% compound sodium nitrophenolate 20.4g, 90% chitosan oligosaccharide 0.6g, 95% Portugal polyene sugar 0.5g, filler manganese chloride
78.5g, said components are uniformly mixed.
Embodiment 5：The Portugal's polyene solvable pulvis of sugar of+0.2% chitosan oligosaccharide of 10% diethyl aminoethyl hexanoate+0.2%
98% diethyl aminoethyl hexanoate 10.2g, 90% chitosan oligosaccharide 0.2g, 95% Portugal polyene sugar 0.2g, filler zinc sulfate 89.4g are weighed,
Said components are uniformly mixed.
Embodiment 6：The solvable pulvis of chitosan oligosaccharide of+1% diethyl aminoethyl hexanoate of 1% compound sodium nitrophenolate+20%
98% compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 90% chitosan oligosaccharide 22.2g, filler calcium acetate 75.8g are weighed,
Said components are uniformly mixed.
Embodiment 7：The Portugal's polyene solvable pulvis of sugar of+1% diethyl aminoethyl hexanoate of 1% compound sodium nitrophenolate+20%
Weigh 98% compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 95% Portugal polyene sugar 21.1g, filler magnesium chloride
76.9g, said components are uniformly mixed.
Embodiment 8：The solvable pulvis of the chitosan oligosaccharide of 40% compound sodium nitrophenolate+40%
98% compound sodium nitrophenolate 40.8g, 90% chitosan oligosaccharide 44.4g, filler ammonium chloride 14.8g are weighed, said components are uniform
Mixing.
Embodiment 9：The solvable pulvis of the chitosan oligosaccharide of 5% compound sodium nitrophenolate+60%
98% compound sodium nitrophenolate 5.1g, 90% chitosan oligosaccharide 66.7g, filler calcium chloride 28.2g are weighed, said components are uniformly mixed
Close.
Embodiment 10：The Portugal's polyene solvable pulvis of sugar of 40% compound sodium nitrophenolate+40%
98% compound sodium nitrophenolate 40.8g, 95% Portugal polyene sugar 42.1g, filler potassium dihydrogen phosphate 17.1g are weighed, by above-mentioned group
Divide uniform mixing.
Embodiment 11：The Portugal's polyene solvable pulvis of sugar of 60% compound sodium nitrophenolate+5%
98% compound sodium nitrophenolate 61.2g, 95% Portugal polyene sugar 5.3g, filler copper sulphate 33.5g are weighed, said components are uniform
Mixing.
Embodiment 12：The solvable pulvis of the chitosan oligosaccharide of 40% diethyl aminoethyl hexanoate+40%
98% diethyl aminoethyl hexanoate 40.8g, 90% chitosan oligosaccharide 44.4g, filler ferrous sulfate 14.8g are weighed, said components are uniform
Mixing.
Embodiment 13：The solvable pulvis of the chitosan oligosaccharide of 20% diethyl aminoethyl hexanoate+5%
98% diethyl aminoethyl hexanoate 20.4g, 90% chitosan oligosaccharide 5.6g, filler CALCIUM CHLORIDE FLAKES 74MIN .0g are weighed, said components are uniformly mixed
.
Embodiment 14：The Portugal's polyene solvable pulvis of sugar of 40% diethyl aminoethyl hexanoate+40%
98% diethyl aminoethyl hexanoate 40.8g, 95% Portugal polyene sugar 42.1g, filler ammonium sulfate 17.1g are weighed, said components are uniform
Mixing.
Embodiment 15：The Portugal's polyene solvable pulvis of sugar of 5% diethyl aminoethyl hexanoate+20%
98% diethyl aminoethyl hexanoate 5.1g, 95% Portugal polyene sugar 21.1g, filler calcium chloride 73.8g are weighed, said components are uniformly mixed
Close.
Experimental example 1
1 test process
Test process and spraying concentration are shown in Table 1.
Treatment 1-15 is respectively the composition pesticide of the preventing and treating corn top-rotten disease of embodiment 1-15 preparations；16-21 points for the treatment of
Wei not component check plant growth regulator mixture ck1, active polysaccharide mixture ck2, plant growth regulator compound sodium nitrophenolate single dose
ck3, plant growth regulator diethyl aminoethyl hexanoate single dose ck4, active polysaccharide amino-oligosaccharide single dose ck5, active polysaccharide Portugal polyene sugar single dose
ck6；The spraying concentration for processing 1-21 is active ingredient about 50ppm.
Treatment 22-24 is respectively medicament control " carbendazim+streptomysin " ck7, carbendazim ck8, agricultural streptomycin ck9。
Treatment 25 is that clear water compares ck0。
Prepare treatment 16-17 raw material be：98% compound sodium nitrophenolate, 98% diethyl aminoethyl hexanoate, 90% chitosan oligosaccharide, 95% Portugal's polyene
Sugar, filler potassium chloride.
16 (ck for the treatment of1), the solvable pulvis of the diethyl aminoethyl hexanoate of 10% compound sodium nitrophenolate+10%：Weigh 98% compound sodium nitrophenolate 10.2g,
98% diethyl aminoethyl hexanoate 10.2g, filler potassium chloride 79.6g, uniform mixing.
17 (ck for the treatment of2), the Portugal's polyene solvable pulvis of sugar of 10% chitosan oligosaccharide+10%：Weigh 90% chitosan oligosaccharide 11.1g, 95%
Portugal polyene sugar 10.5g, filler potassium chloride 78.4g, uniform mixing.
Treatment 18-24：Commercially available product.
The test process of table 1 are set
2 test methods
Experimental field select in Qingfeng County watt home.To dredge single 20,4500 plants/acre of density waits line-spacing to plant, OK to corn variety
Away from 0.6 meter.Cell is 6 row areas, and row is long 8 meters, plot area 28.8m2.3 repetitions, random district's groups arrangement.Corn typhon mouthful
There is top rot in the phase, the aobvious disease of initial diseased plant starts to spray after 3 days, be sprayed for 3 days second after first time medication, share medicine 2 times, the
It is secondary spray 4 days after investigate cell incidence.
Grade scale：Healthy tree, normal strain or diseased plant restore normal growth；Diseased plant, shows diseased plant symptom, does not recover or not complete
It restore normal growth entirely.
Prevention effect computing formula is as follows：
Diseased plant rate (%)=diseased plant number/investigation total strain number × 100
Prevention effect (%)=(1-treatment diseased plant rate/control diseased plant rate) × 100
3 result of the tests：It is shown in Table 2.
Table 2 prevents and treats corn top-rotten disease result of the test summary sheet
1) treatment 1-15 is the mixture of plant growth regulator and active polysaccharide, and wherein plant growth regulator is more with activity
The components by weight percent ratio of sugar is 1:0.01-1:100；Treatment 16-21 is compareed for component, ck1、ck3、ck4Respectively plant growth regulating
The mixture or single dose of agent, ck2、ck5、ck6The respectively mixture or single dose of active polysaccharide.Process 1-15 prevention effect be
77.3%-98.9%, pole are significantly better than the prevention effect 44.3%-68.9% of each component control.
Result shows：There is collaboration to make in the medicament of preventing and treating corn top-rotten disease for plant growth regulator and active polysaccharide
With.
2) in treatment 2,3, the component ratio respectively 1 of plant growth regulator and active polysaccharide:100、1:0.01, preventing and treating effect
Fruit is 76.0%-77.3%；In treatment 4-7,9,11, plant growth regulator is 1 with the component ratio of active polysaccharide:0.04-1:
12, prevention effect is 83.4%-92.0%；In treatment 1,8,10,12-15, the component of plant growth regulator and active polysaccharide
Than being 1:0.25-1:4, component ratios are near 1:1 (relative to the two ratio 1：0.04,1：For 12), prevention effect is
96.0%-98.9%.It can thus be seen that component ratios are near 1:1 treatment, prevention effect deviates 1 better than component ratios:1
Larger treatment.
3) in treatment 1,8,10,12,14, plant growth regulator is 1 with the component ratios of active polysaccharide:1, effective group
Point plant growth regulator be compound sodium nitrophenolate, diethyl aminoethyl hexanoate one or two, active polysaccharide is chitosan oligosaccharide, the one of Portugal's polyene sugar
Plant or two kinds, prevention effect is respectively 97.2%, 98.9%, 98.6%, 97.7%, 97.4%.Without significant difference between each treatment,
Show between plant growth regulator compound sodium nitrophenolate, diethyl aminoethyl hexanoate, it is anti-what is assembled between active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar
Compensation is there are in the composition pesticide for controlling corn top-rotten disease.
4) treatment 1-21 be the mixture of plant growth regulator and active polysaccharide, plant growth regulator mixture or single dose,
Active polysaccharide mixture or single dose；Treatment 22-24 is compareed for medicament, and treatment 22 is " carbendazim+streptomysin " 1:1 mixture ck7, treatment
23 is antifungal pesticide carbendazim ck8, treatment 24 is bactericidal agricultural chemicals agricultural streptomycin ck9.Process the prevention effect pole of 1-21
The prevention effect 29.0%-33.2% of comparison medicament is significantly better than, shows plant growth regulator, active polysaccharide, plant growth
Conditioning agent and active polysaccharide mixture, the effect for preventing and treating corn top-rotten disease are superior to fungicide, bactericide.
4 conclusion (of pressure testing)s
Plant growth regulator compound nitrophenol salt, diethyl aminoethyl hexanoate one or two, with active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar
One or two, the composition pesticide of the preventing and treating corn top-rotten disease assembled after mixture, prevention effect pole is significantly better than plant growth
Conditioning agent compound nitrophenol salt, the single dose of diethyl aminoethyl hexanoate or mixture, and the sugared single dose of active polysaccharide chitosan oligosaccharide, Portugal's polyene or mixture.In examination
Test in the range of setting, plant growth regulator and active polysaccharide have synergy；Plant growth regulator compound nitrophenol salt, amine
Between fresh ester, between active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar, compensation is there are.Plant growth regulator and active polysaccharide
Mixture prevents and treats corn top-rotten disease effect is significant, and plant growth regulator, the effect of active polysaccharide preventing and treating corn top-rotten disease are better than killing
Epiphyte pharmaceutical, bactericide.
Experimental example 2
1 test material and method
Active ingredient：The Portugal's polyene sugar of+1% chitosan oligosaccharide of+1% diethyl aminoethyl hexanoate of 1% compound sodium nitrophenolate+1%
Test process：Respectively with calcium chloride, potassium chloride, ammonium chloride, manganese chloride, copper sulphate, potassium acetate, potassium dihydrogen phosphate,
Urea is filler, and the composition pesticide of the above-mentioned active ingredient of preparation is respectively treatment 1~8；The above-mentioned active ingredient prepared
The aqua of composition pesticide is treatment 9；Clear water compares ck0It is treatment 10.
Compound method：1. solvable pulvis：Raw material components from granularity between 0.01-0.99mm, weigh 98% respectively
Compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 90% chitosan oligosaccharide 1.1g, 95% Portugal polyene sugar 1.1g, then filler chlorine is weighed successively
Change calcium, potassium chloride, ammonium chloride, manganese chloride, copper sulphate, potassium acetate, potassium dihydrogen phosphate, urea 95.8g, respectively with group of effective components
Divide uniform mixing.2. aqua：The above-mentioned active ingredient component for weighing, is put into the volumetric flask of 100ml, is dissolved in water and is settled to
100ml。
Test site, test method are with experimental example 1.
2 result of the tests：It is shown in Table 3
Influence of the different fillers of table 3 to prevention effect
Table 3 can be seen that：Respectively with calcium chloride, potassium chloride, ammonium chloride, manganese chloride, copper sulphate, potassium acetate, biphosphate
The soluble inorganic salt containing plant nutrient such as potassium, urea or organic matter are filler, and the active ingredient of preparation is " 1% compound nitrophenol
The solvable pulvis and aqua of the Portugal polyene sugar of+1% chitosan oligosaccharide of the diethyl aminoethyl hexanoate of sodium+1%+1% ", preventing and treating corn top-rotten disease effect is
94.4%-98.3%.Through significance difference analysis, without significant difference between the agent of each treatment soluble powder, the aqua of different fillers.
Result shows：Different fillers, the different dosage forms of the composition pesticide that the present invention is provided, to prevention effect without obvious
Influence.
Although above having used general explanation, specific embodiment and experiment, the present invention is made to retouch in detail
State, but on the basis of the present invention, it can be made some modifications or improvements, this is to those skilled in the art apparent
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed
Scope.
Claims (6)
1. application of the composition pesticide in the agricultural chemicals for preparing preventing and treating corn top-rotten disease, it is characterised in that the composition pesticide
Active ingredient including following weight portion composition：Plant growth regulator 0.05-90.0 parts, active polysaccharide 0.05-90.0 parts,
The plant growth regulator be compound nitrophenol salt, diethyl aminoethyl hexanoate one or two, the compound nitrophenol salt be compound sodium nitrophenolate, compound nitrophenol
Potassium or compound nitrophenol ammonium, the active polysaccharide be chitosan oligosaccharide, Portugal's polyene sugar in one or two.
2. application according to claim 1, it is characterised in that the active ingredient of the composition pesticide includes following weight
The composition of part：Plant growth regulator 0.2-60.0 parts, active polysaccharide 0.2-60.0 parts.
3. application according to claim 1, it is characterised in that the compound nitrophenol salt is by 5- nitroguaiacols salt, adjacent nitre
Base phenolate, p-nitrophenyl phenates are 1 according to weight ratio：2：3 compositions.
4. the application according to claim any one of 1-3, it is characterised in that also comprising soluble filler, the solubility
Filler is inorganic salts or organic matter containing plant nutrient.
5. application according to claim 4, it is characterised in that the soluble filler is calcium chloride, potassium chloride, chlorination
Manganese, magnesium chloride, ammonium chloride, urea, ferrous sulfate, zinc sulfate, copper sulphate, ammonium sulfate, magnesium sulfate, calcium acetate or biphosphate
Potassium.
6. application of the composition pesticide in corn top-rotten disease is prevented and treated, it is characterised in that the composition pesticide and claim
Composition pesticide described in any one of 1-5 is identical.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106386811A (en) * | 2016-08-29 | 2017-02-15 | 四川国光农化股份有限公司 | Plant growth regulating composition, and preparation and application thereof |
| CN106922659A (en) * | 2017-04-12 | 2017-07-07 | 江苏金凤凰农化有限公司 | Application and application process of the guaiacol in preventing and treating radish disease |
| CN111903702A (en) * | 2020-08-14 | 2020-11-10 | 南京轩凯生物科技有限公司 | Combined growth regulator containing pantoea polysaccharide and application thereof |
| CN113040148B (en) * | 2021-03-23 | 2022-03-25 | 四川百事东旺生物科技有限公司 | Agricultural composition containing glucan |
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| CN102960341A (en) * | 2012-11-15 | 2013-03-13 | 郭红甫 | Pesticide composition for relieving phytotoxicity of herbicide |
| CN103430956A (en) * | 2013-09-15 | 2013-12-11 | 海南正业中农高科股份有限公司 | Composition containing chitosan oligosaccharide and plant growth regulator and application thereof |
| CN103636637A (en) * | 2013-12-04 | 2014-03-19 | 郭红甫 | Pesticide composition for preventing and treating crop root nematodosis by foliage spray |
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| 建平县玉米顶腐病发生情况调查报告;何少伟等;《现代农业》;20130731(第7期);49 * |
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