CN115997772A - Insect prevention and yield increase composition suitable for flight prevention and preparation method thereof - Google Patents

Insect prevention and yield increase composition suitable for flight prevention and preparation method thereof Download PDF

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CN115997772A
CN115997772A CN202211707952.8A CN202211707952A CN115997772A CN 115997772 A CN115997772 A CN 115997772A CN 202211707952 A CN202211707952 A CN 202211707952A CN 115997772 A CN115997772 A CN 115997772A
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agent
insect
percent
yield
prevention
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韩博坤
王杰
唐彩乐
罗湘仁
任维新
马振朝
张紫微
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Hebei Nongxin Biotechnology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

The invention relates to the technical field of pesticides, and provides an insect prevention and yield increase composition suitable for flying prevention and a preparation method thereof. The insect prevention and yield increase composition comprises the following active ingredients: chlorantraniliprole, chitosan and betaine, and further comprises an anti-transpiration agent, an anti-drifting agent, a wetting agent, a dispersing agent, an antioxidant, a defoaming agent, a thickening agent and water. Through the technical scheme, the problems of mixed flocculation, spray drift and high-temperature evaporation in the flying prevention process in the prior art are solved, and meanwhile, the problems of lepidoptera insect pests and low crop yield in the crop planting process are solved.

Description

Insect prevention and yield increase composition suitable for flight prevention and preparation method thereof
Technical Field
The invention relates to the technical field of pesticides, in particular to an insect prevention and yield increase composition suitable for flying prevention and a preparation method thereof.
Background
With the occurrence of land circulation and planting bodies, the flying prevention pesticide application becomes a main pesticide application form for preventing plant diseases and insect pests for the growers. Especially for large planting households with thousands of acres, the pesticide spraying efficiency is a key factor for limiting the planting scale and income. The popularization of the flying prevention mode brings new requirements to pesticide preparations, and the flying prevention mode is different from the conventional spraying mode, for example, the particle size of the flying prevention agent needs to be finer, for example, the suspension rate of the flying prevention agent needs to be more than 95%, the average particle size needs to be lower than 5 mu m, the particle size is small, the flying prevention agent can be better applied to ultra-low-volume pesticide application, the water consumption per mu of land is only 500-1000 mL under the flying prevention condition, and the dilution multiple is only 30-50 times.
The flight protection operation faces the problems of medicament spraying drift, high-temperature evaporation, sedimentation difference and the like because of the scenes of less water and low dilution multiple. These problems can lead to wastage of the medicament on the one hand and economic loss of poor control efficiency and missed control period on the other hand.
Therefore, with the rapid development of land circulation and large-scale flying prevention, the flying prevention medicament is used as a brand new application direction, and the field is in need of an emerging medicament with anti-drift, anti-evaporation, good mixing property and rapid wetting.
Disclosure of Invention
The invention provides an insect prevention and yield increase composition suitable for flying prevention and a preparation method thereof, which solve the problems of mixed flocculation, spray drift and high-temperature evaporation in the flying prevention process in the related technology, and solve the problems of lepidoptera insect pests and low crop yield in the crop planting process.
The technical scheme of the invention is as follows:
an effective component for preventing insect and increasing yield comprises chlorantraniliprole, chitosan and betaine.
As a further technical scheme, the mass ratio of the chlorantraniliprole to the chitosan to the betaine is (0.1-30): 0.6-12.5): 1.5-25.
An insect-preventing and yield-increasing composition comprises the insect-preventing and yield-increasing effective component.
As a further technical scheme, the effective components for preventing insects and increasing yield account for 2.2 to 67.5 mass percent of the composition for preventing insects and increasing yield.
As a further technical scheme, the composition also comprises an auxiliary agent; the auxiliary agent comprises an anti-transpiration agent, an anti-drifting agent, a wetting agent, a dispersing agent, an antioxidant, a defoaming agent, a thickening agent and water.
As a further technical scheme, the material comprises the following components in percentage by mass: 0.1 to 30 percent of chlorantraniliprole, 0.6 to 12.5 percent of chitosan, 1.5 to 25 percent of betaine, 1 to 10 percent of anti-transpiration agent, 1 to 5.5 percent of anti-drifting agent, 1.5 to 5 percent of wetting agent, 2 to 5 percent of dispersing agent, 0.8 to 2.5 percent of antioxidant, 0.5 to 8 percent of defoaming agent, 1.5 to 3.5 percent of thickening agent and the balance of water.
As a further technical scheme, the anti-transpiration agent comprises one or more of polyacrylamide, soybean lecithin, rosin-based vegetable oil, methyl-esterified vegetable oil and ethoxylated vegetable oil;
the drift preventing agent is a nonionic surfactant with an HLB value of 3.5-19.5;
the wetting agent comprises one or more of castor oil polyoxyethylene ether, dodecyl sulfate, dodecyl benzene sulfonate, nekal BX, fatty acid polyoxyethylene ester, fatty alcohol polyoxyethylene ether, high molecular graft copolymer with molecular weight of 20000-30000, EO/PO segmented copolymer and fatty alcohol polyoxyethylene ether sulfate;
the dispersing agent comprises one or more of PVA1788, polyethylene glycol 400, polyethylene glycol 200, sodium oleate, lignosulfonate, sodium naphthalene sulfonate formaldehyde, alkyl naphthalene sulfonate, polyoxyethylene ether phosphate and polycarboxylate;
the antioxidant comprises one or more of dibutyl hydroxy toluene, tert-butyl hydroquinone and butyl hydroxy anisole;
the defoaming agent comprises one or more of organic silicon defoaming agent, fatty alcohol defoaming agent, fatty acid ester defoaming agent and polyether defoaming agent;
the thickener comprises one or more of magnesium aluminum silicate, xanthan gum and attapulgite.
As a further technical scheme, the drift inhibitor comprises one or more of guar gum, sodium polyacrylate, mannans and polypropylene glycol.
As a further technical scheme, the particle size of the insect prevention and yield increase composition is less than 2.5 mu m.
The invention also provides a preparation method of the insect-preventing and yield-increasing composition, which comprises the steps of uniformly mixing the anti-transpiration agent, the anti-drifting agent, the wetting agent, the dispersing agent, the antioxidant and the defoaming agent with water, adding the insect-preventing and yield-increasing active ingredients, mixing, and adding the thickening agent to obtain the insect-preventing and yield-increasing composition.
An application of an insect prevention and yield increase composition can be applied to flying prevention.
The working principle and the beneficial effects of the invention are as follows:
1. the invention uses chlorantraniliprole, chitosan and betaine as active ingredients, provides an insect prevention and yield increasing composition which is anti-drift, anti-evaporation, good in mixing property and fast in wetting, and has the effects of insect prevention and yield increasing. On one hand, the problems of mixed flocculation, spray drift and high-temperature evaporation in the flying prevention process are solved, and on the other hand, the insect prevention and yield increase application value can be achieved.
2. The suspending agent prepared by the method for preparing the insect-preventing and yield-increasing composition has ideal flying-preventing particle size and storage stability, and is suitable for large-scale flying-preventing operation of field crops and fruit crops.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
And measuring the yield increasing effect of chlorantraniliprole and chitosan on cucumber.
Test object: cucumber variety is Zhongnong No. 8, purchased in seed market.
The test method comprises the following steps: the test seeds are sterilized by 10% potassium permanganate liquid for 10min, repeatedly cleaned by distilled water, placed in a constant temperature incubator at 25 ℃ and germinated for 32 hours. When the seeds are exposed to 95%, the seeds are sown in plastic pots filled with vermiculite, and 10 seeds are sown in each plastic pot. The mixture was placed at a temperature of 30℃and an illuminance (PAR) of 400 umol/(m) 2 S), relative humidity 60%, and light irradiation 14 h/day. Hoagland nutrient solution with pH=5.5 was irrigated every 3 days.
Weighing quantitative chitosan, dissolving with 1% acetic acid distilled water, adding 1.5% tween-80, and preparing into 2.5% solution. Weighing a certain amount of chlorantraniliprole, dissolving in acetone, adding 1.5% tween-80, and preparing into 2.5% solution. The cucumber seedlings are placed in a Potter automatic precise spray tower, uniformly sprayed, each treatment is repeated 3 times, the treated cucumber is transferred to an incubator at 25+/-1 ℃ for growth, and the POD activity is measured after 14 days of treatment.
POD Activity measurement method: 1g of the treated cucumber seedling sample was taken, 0.2g of polyvinylpyrrolidone (PVP) and 0.15mol/L of phosphate buffer (pH=7.0) were added, and the mixture was ground with liquid nitrogen, and the extract was centrifuged at 15000rpm at 4℃for 20 minutes, and the supernatant was used for measurement of the enzyme activity. The 3mL reaction system contained 0.2% guaiacol 0.9mL and 0.1% hydrogen peroxide (H) 2 O 2 ) 2.0mL and 0.1 enzyme solution. After addition of the enzyme solution, the OD increase rate at 470nm was recorded. The increase in OD per minute was defined as 1 activity unit, and the enzyme activity of POD (U/(g.min)) was calculated.
The control effect calculation formula comprises:
control effect (%) = (agent treatment area POD activity value-blank control area POD activity value) ×100/(100-blank control area POD value)
Calculating the theoretical control effect of the compound agent according to a colby method:
E 0 ＝X+Y-XY/100
wherein:
x-the control effect when the dosage of the component A is P;
y- -the control effect when the dosage of the component B is Q;
E 0 the theoretical prevention effect that the consumption of the component A is P and the consumption of the component B is Q;
e, the actual control effect of the component A with the dosage of P and the component B with the dosage of Q;
E-E 0 >10% is synergistic effect; E-E 0 <-10% antagonism; E-E 0 10% is additive.
The control effect is recorded in table 1:
TABLE 1 control effect
Treatment of Concentration (mg/L) Actual control E (%) Theoretical prevention effect E 0 (％) E-E 0
Deacetylated chitosan 10 5.6 / /
Deacetylated chitosan 50 10.2 / /
Deacetylated chitosan 250 13.8 / /
Deacetylated chitosan 500 21.2 / /
Chlorantraniliprole 10 3.1 / /
Chlorantraniliprole 50 5.1 / /
Chlorantraniliprole 250 9.8 / /
Chlorantraniliprole 500 13.9 / /
Chlorantraniliprole 50:chitosan 1 500+10 35.9 18.7 17.2
Chlorantraniliprole 25:chitosan 1 250+10 42.5 14.9 27.6
Chlorantraniliprole 5:chitosan 1 50+10 33.1 10.4 22.7
Chlorantraniliprole 1, chitosan 1 10+10 29.3 8.5 20.8
Chlorantraniliprole 1, chitosan 5 10+50 28.9 13.0 15.9
Chlorantraniliprole 1, chitosan 25 10+250 42.9 16.5 26.4
Chlorantraniliprole 1, chitosan 50 10+500 39.8 23.6 16.2
As can be seen from Table 1, the chlorantraniliprole and the chitosan in the effective components of the insect-prevention and yield-increase composition provided by the invention have obvious synergistic effect between 50:1-1:50, and E-E 0 The values are all more than 10%, and the synergistic effect is more obvious between 25:1 and 1:1, and E-E is achieved 0 The values are all greater than 20%.
Example 2
And measuring the synergism of chlorantraniliprole and betaine on low-temperature stress of cucumbers.
Test object: cucumber variety is Zhongnong No. 8, purchased in seed market.
The test method comprises the following steps: sterilizing test seeds with 10% potassium permanganate diluent for 10min, cleaning with distilled water, air drying, germinating in a 25deg.C incubator until 95% seeds are exposed to white, sowing into germination boxes with matrix, sowing 10 seeds per germination box, and placing at 20deg.C under illumination (PAR) of 250 umol/(m) 2 S), relative humidity 50%, and illuminating for 14 h/day, and watering the Hoagland nutrient solution with pH=5.5 every 3 days.
Weighing a standard amount of betaine, dissolving in absolute ethyl alcohol, adding a proper amount of 1.5% Tween-80, and preparing a 2.5% standard solution. The standard amount of chlorantraniliprole is weighed and dissolved in acetone to prepare a standard solution with the concentration of 2.5%. Preparing liquid medicine according to the concentration of the test dose, adding the liquid medicine into a spray tower of a Potter automatic precision laboratory, selecting three-leaf and one-heart cucumber seedlings, uniformly spraying, and repeating each treatment for 3 times. Transferring the treated melon seedlings to a low-temperature incubator after 48 hours, culturing at the temperature of 4 ℃ to minus 6 ℃, and measuring POD activity after 72 hours of treatment.
The calculation formulas of the POD activity measurement method and the control effect are the same as in example 1, and the control effect is recorded in table 2:
TABLE 2 control effect
Treatment of Concentration (mg/L) Actual control E (%) Theoretical prevention effect E 0 (％) E-E 0 (％)
Betaine (betaine) 10 6.6 / /
Betaine (betaine) 50 10.2 / /
Betaine (betaine) 100 19.2 / /
Betaine (betaine) 200 29.6 / /
Chlorantraniliprole 10 1.1 / /
Chlorantraniliprole 50 2.6 / /
Chlorantraniliprole 100 3.1 / /
Chlorantraniliprole 200 3.9 / /
Chlorantraniliprole 20: betaine 1 200+10 43.5 10.2 33.3
Chlorantraniliprole 10: betaine 1 100+10 36.5 9.5 27.0
Chlorantraniliprole 5: betaine 1 50+10 32.5 9.0 23.5
Chlorantraniliprole 1: betaine 5 10+50 27.1 11.2 15.9
Chlorantraniliprole 1: betaine 10 10+100 32.3 20.1 12.2
Chlorantraniliprole 1: betaine 20 10+200 45.7 30.4 15.3
As can be seen from Table 2, the chlorantraniliprole in the effective components of the insect-preventing and yield-increasing composition provided by the inventionThe synergistic effect between formamide and betaine is obvious in the range of 20:1-1:20, and E-E is obvious in the range of 0 The values are all more than 10%, and the synergistic effect is more obvious between 20:1 and 5:1, and E-E is achieved 0 The values are all greater than 20%.
In the following examples 3 to 8, the insect-preventing and yield-increasing suspending agents were prepared by the following methods:
dissolving an anti-transpiration agent, an anti-drifting agent, a wetting agent, a dispersing agent, an antioxidant and a defoaming agent in water, and shearing and stirring; after shearing and stirring uniformly, adding chlorantraniliprole, chitosan and betaine, and shearing and stirring for 2 times; after fully mixing, adding a thickening agent while stirring, and performing sand grinding for 3 times to obtain the suspending agent.
Example 3
The composition of the suspending agent is shown in Table 3:
TABLE 3 composition of example 3 suspending agent
Figure BDA0004023966580000051
Figure BDA0004023966580000061
Example 4
The composition of the suspending agent is shown in Table 4:
TABLE 4 composition of example 4 suspending agent
Component (A) Content (%) Remarks
Chlorantraniliprole 20 Active ingredient
Deacetylated chitosan 0.8 Active ingredient
Betaine (betaine) 2 Active ingredient
Soybean lecithin 2.5 Anti-transpiration agent
Sodium polyacrylate 3 Anti-drift agent
Sodium dodecyl sulfate 3.5 Wetting agent
Sodium naphthalene sulfonate formaldehyde 2 Dispersing agent
Tert-butyl hydroquinone 2 Antioxidant agent
Fatty acid ester defoamer 0.5 Defoaming agent
Xanthan gum 3 Thickening agent
Water and its preparation method Complement 100 Carrier body
Example 5
The composition of the suspending agent is shown in Table 5:
TABLE 5 composition of example 5 suspending agent
Figure BDA0004023966580000062
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Figure BDA0004023966580000071
Example 6
The composition of the suspending agent is shown in Table 6:
TABLE 6 composition of example 6 suspending agent
Component (A) Content (%) Remarks
Chlorantraniliprole 5 Active ingredient
Deacetylated chitosan 5 Active ingredient
Betaine (betaine) 25 Active ingredient
Methyl esterified vegetable oil 1 Anti-transpiration agent
Polypropylene glycol 1 Anti-drift agent
Nekal BX 5 Wetting agent
Polyethylene glycol 200 2.5 Dispersing agent
Tert-butyl hydroquinone 1.5 Antioxidant agent
Fatty acid ester defoamer 0.8 Defoaming agent
Magnesium aluminum silicate 1.5 Thickening agent
Water and its preparation method Complement 100 Carrier body
Example 7
The composition of the suspending agent is shown in Table 7:
TABLE 7 composition of example 7 suspending agent
Figure BDA0004023966580000072
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Figure BDA0004023966580000081
Example 8
The composition of the suspending agent is shown in Table 8:
TABLE 8 composition of example 8 suspending agent
Component (A) Content (%) Remarks
Chlorantraniliprole 0.1 Active ingredient
Deacetylated chitosan 5 Active ingredient
Betaine (betaine) 2 Active ingredient
Soybean lecithin 5 Anti-transpiration agent
Sodium polyacrylate 5 Anti-drift agent
Octyl phenol polyoxyethylene ether 3 Wetting agent
PVA1788 3 Dispersing agent
Butyl hydroxy anisole 1.9 Antioxidant agent
Polyether defoamer 0.6 Defoaming agent
Attapulgite 1.8 Thickening agent
Water and its preparation method Complement 100 Carrier body
Performance test:
the suspending agents in examples 3 to 8 were stored at 54℃for 14 days and at-5℃for 7 days, and the decomposition rate, suspension rate, dispersibility and particle size after heat storage were satisfactory.
Decomposition rate (%) = (m) 1 -m 2 )/m 1 ×10/9×100
m 1 : preparing the mass of the effective components in the sample taken by the suspension, wherein the unit is g;
m 2 : the mass of the active ingredients in 25mL of suspension left at the bottom of the measuring cylinder is expressed in g;
10/9 of conversion coefficient.
Suspension ratio (%) =w 1 -W 2 ＝A 2 ×m 1 ×W/A 1 ×m 2 -A 4 ×m 3 ×W/A 3 ×m 4
W 1 : mass fraction of sample before heat storage, expressed in%;
W 2 : mass fraction of the sample after heat storage is expressed in%;
w: the mass fraction of the active ingredient in the preparation is expressed in percent;
A 1 : the average value of the peak areas of the medicaments in the preparation solution;
A 2 : an average value of the peak areas of the agents in the solution to be measured before heat storage;
A 3 : the average value of the peak areas of the medicaments in the preparation solution;
A 4 : an average value of the peak areas of the agents in the solution to be measured after heat storage;
m 1 : the mass of the active ingredients of the medicament is expressed as g;
m 2 : the mass of the solution to be measured before heat storage is in g;
m 3 : the mass of the raw medicament is g;
m 4 : the mass of the solution to be measured after heat storage is expressed in g.
Evaluation of dispersibility: respectively diluting the preparation by 1000 times, and placing the preparation in a constant temperature cabinet at 25 ℃ for observation, wherein the diluted solution has no layered precipitation after 24 hours, namely the preparation is of high grade; the sediment with 10 to 20 percent is good; 20-30% of sediment is common; the sediment with 30-50% is the difference grade.
Specific data are recorded in table 9:
TABLE 9 Properties of the suspending agents of examples 3 to 8
Decomposition rate Suspension rate Dispersibility of Particle size Centrifugal stability
Example 3 <0.5％ 100％ Priority level D90<2μm Priority level
Example 4 <0.8％ 100％ Priority level D90<2μm Priority level
Example 5 <0.9％ 100％ Priority level D90<2μm Priority level
Example 6 <1％ 100％ Priority level D90<2.5μm Priority level
Example 7 <1.1％ 100％ Priority level D90<1.5μm Priority level
Example 8 <1％ 100％ Priority level D90<1μm Priority level
As can be seen from table 9, the suspending agents provided in examples 3 to 8 of the present invention belong to suspending agents that can be used for flight protection, and meet the quality standard of nanosuspension, which is far better than the standard of the flight protection suspending agent: the suspension rate is more than 95%, the average grain diameter is less than 2.5 mu m, the grain diameter is normally distributed, the appearance is uniform, and the fluidity is good.
Application example 1
The anti-insect agent is used for the on-site operation of the flying prevention, is smooth in operation between 20 times and 50 times of dilution, is safe for pesticide application personnel and test crops, can effectively solve the operation quality problem in the flying prevention, and has the crop values of high-efficiency insect prevention, quality improvement and yield increase.
The field test of examples 3 to 8 was carried out in Jiangsu Baozi county in 2021, the test field was divided into 8 cells, a protection row was set between each cell, and the test treatments were arranged randomly. The rice variety is Huai rice No. 20, the fertilizer and water conditions of all the communities are consistent, and the growth vigor is uniform. The first application time is 6 months and 10 days, the second application time is 6 months and 30 days, the application of the medicine is performed by spraying T30 in Xinjiang, the medicine amount used in each mu of land is 3L, the blank control is sprayed with equal amount of clear water, the control medicine is set, the control medicine is 5% avermectin EC 200 mL/mu, and the treatment mu amounts of the embodiments 3-8 are as follows: the dosage of example 3 is 7 g/mu, the dosage of example 4 is 10.5 g/mu, the dosage of example 5 is 21 g/mu, the dosage of example 6 is 42 g/mu, the dosage of example 7 is 420 g/mu, and the dosage of example 8 is 2100 g/mu. And (3) carrying out investigation on the number of insect population base before spraying the pesticide, investigation on the control effect after the second pesticide, and investigation on 100 roots of rice by each treatment at each test point, and recording the number of leaf rollers which are harmful. Yield measurements were made during harvest, and thousand seed quality and yield of each treated rice was investigated.
Leaf rolling rate (%) =leaf rolling number/investigation number×100%
She Xiaoguo (%) = (control zone leaf curl rate-treatment zone leaf curl rate)/control zone leaf curl rate x 100%
Yield increase (%) = (process area yield measurement-blank process yield measurement)/blank process yield measurement×100%
Thousand grain mass, namely randomly pumping 1000 grains from 40 roots of rice grains in the effective spike number investigation project, extracting 3 times, and drying until the water content of the grains is 13wt percent.
Yield measurement by measuring yield by methods prescribed by Ministry of agriculture, random check-harvest (20 m) 2 ) Measuring yield of rice, and converting acre yield into per hectare yield in t.hm -2 The 4 test point yield increases were calculated and the results are recorded in table 10:
TABLE 10 leaf preserving effect, yield and yield enhancement of the suspending agents of examples 3 to 8
Treatment of Protector She Xiaoguo (%) Thousand grain quality (g) Yield measuring (20 m) 2 /kg) Yield (t.hm) -2 ) Yield increase (%)
Blank processing / 16.9 7.7 3.9 /
Control agent 31.1 17.0 7.8 3.9 1.3
Example 3 98.5 17.9 10.1 5.1 31.2
Example 4 89.7 17.3 9.5 4.8 23.4
Example 5 95.1 17.1 9.3 4.7 20.8
Example 6 88.6 17.7 9.8 4.9 27.3
Example 7 90.3 17.6 9.6 4.8 24.7
Example 8 89.9 17.5 9.6 4.8 24.7
As can be seen from Table 10, the invention provides the insect prevention and yield increase suspending agent suitable for flying prevention and the preparation method thereof, which can obviously improve the leaf protection effect on insect pests and reduce the occurrence rate and the occurrence degree of insect pests; the suspending agent can also obviously increase thousand seed weight of crops, increase acre yield of crops by 25.2 percent on average, and especially the suspending agent of the embodiment 3 has the increase rate of 31.2 percent.
Application example 2
In 2021, the field test of the example was carried out in Hebei Shijia, the test field was divided into 8 cells, and a protection row was set between each cell, and the test treatment was randomly arranged. The test variety is the sea-climbing 685, and the fertilization conditions are consistent. The first application time is 6 months and 15 days, the second application time is 7 months and 5 days, the application operation of T30 spraying in Xinjiang is adopted, the application amount of the medicine is 3L per mu of land, the blank control is sprayed with equal amount of clear water, the control medicine is set, the control medicine is 50 mL/mu of 2% emamectin benzoate microemulsion, and the treatment mu dosage of the examples 3-8 is as follows: the dosage of example 3 is 7 g/mu, the dosage of example 4 is 10.5 g/mu, the dosage of example 5 is 21 g/mu, the dosage of example 6 is 42 g/mu, the dosage of example 7 is 420 g/mu, and the dosage of example 8 is 2100 g/mu. Randomly investigating the number of the corns with the stalks after 30 days and 50 days after the medicine, counting the stalk-eating rate, investigating 50 plants in each district, and calculating the control effect. And during the harvest period, 50 corn plants are fixed in each cell, the mass of corn harvested batch by batch is weighed and recorded, the yield of each region and the yield of unit area are calculated, and the results are recorded in table 11:
straw-eating rate (%) =straw-eating plant number/investigation plant number×100%
Control effect (%) = (control area stalk moth rate-treatment area stalk moth rate)/control area stalk moth rate x 100%
Yield increase (%) = (treatment area acre yield-blank treatment acre yield)/blank treatment acre yield x 100%
TABLE 11 control, yield and yield enhancement of suspending agents of examples 3 to 8
Figure BDA0004023966580000111
As can be seen from Table 11, the invention provides the insect prevention and yield increase suspending agent suitable for flying prevention and the preparation method thereof. Meanwhile, the suspending agent can also obviously improve the acre yield of crops, and especially the increase of the acre yield of the crops in the embodiment 3, the embodiment 7 and the embodiment 8 is more than 20 percent.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (10)

1. An effective component for preventing insects and increasing yield is characterized by comprising chlorantraniliprole, chitosan and betaine.
2. The insect-preventing and yield-increasing active ingredient according to claim 1, wherein the mass ratio of chlorantraniliprole, chitosan and betaine is (0.1-30): 0.6-12.5): 1.5-25.
3. An insect control and yield increasing composition comprising the insect control and yield increasing active ingredient according to any one of claims 1 to 2.
4. An insect control and stimulation composition according to claim 3, wherein the insect control and stimulation active ingredient comprises 2.2-67.5% of the insect control and stimulation composition by mass.
5. An insect control and stimulation composition according to claim 3, further comprising an adjuvant; the auxiliary agent comprises an anti-transpiration agent, an anti-drifting agent, a wetting agent, a dispersing agent, an antioxidant, a defoaming agent, a thickening agent and water.
6. An insect control and stimulation composition according to claim 5, comprising the following components in percentage by mass: 0.1 to 30 percent of chlorantraniliprole, 0.6 to 12.5 percent of chitosan, 1.5 to 25 percent of betaine, 1 to 10 percent of anti-transpiration agent, 1 to 5.5 percent of anti-drifting agent, 1.5 to 5 percent of wetting agent, 2 to 5 percent of dispersing agent, 0.8 to 2.5 percent of antioxidant, 0.5 to 8 percent of defoaming agent, 1.5 to 3.5 percent of thickening agent and the balance of water.
7. An insect control and yield increasing composition according to claim 5, wherein said anti-transpiration agent comprises one or more of polyacrylamide, soybean lecithin, rosin-based vegetable oil, methyl esterified vegetable oil, ethoxylated vegetable oil;
the drift preventing agent is a nonionic surfactant with an HLB value of 3.5-19.5;
the wetting agent comprises one or more of castor oil polyoxyethylene, dodecyl sulfate, dodecyl benzene sulfonate, nekal BX, fatty acid polyoxyethylene ester, fatty alcohol polyoxyethylene ether, high molecular graft copolymer with molecular weight of 20000-30000, EO/PO segmented copolymer and fatty alcohol polyoxyethylene ether sulfate;
the dispersing agent comprises one or more of PVA1788, polyethylene glycol 400, polyethylene glycol 200, sodium oleate, lignosulfonate, sodium naphthalene sulfonate formaldehyde, alkyl naphthalene sulfonate, polyoxyethylene ether phosphate and polycarboxylate;
the antioxidant comprises one or more of dibutyl hydroxy toluene, tert-butyl hydroquinone and butyl hydroxy anisole;
the defoaming agent comprises one or more of organic silicon defoaming agent, fatty alcohol defoaming agent, fatty acid ester defoaming agent and polyether defoaming agent;
the thickener comprises one or more of magnesium aluminum silicate, xanthan gum and attapulgite.
8. An insect control and stimulation composition according to claim 5, wherein the particle size of the insect control and stimulation composition is < 2.5 μm.
9. The method of producing an insect-repellent stimulation composition according to any of claims 5-8, characterized in that the insect-repellent stimulation composition is obtained by mixing the anti-transpiration agent, the anti-drift agent, the wetting agent, the dispersing agent, the antioxidant, the antifoaming agent with water, adding the insect-repellent stimulation active ingredient, mixing, and adding the thickener.
10. The insect prevention and yield increase composition is characterized by being applied to flying prevention.
CN202211707952.8A 2022-12-28 2022-12-28 Insect prevention and yield increase composition suitable for flight prevention and preparation method thereof Pending CN115997772A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102763655A (en) * 2012-08-03 2012-11-07 广西汇丰生物科技有限公司 Granule containing chlorantraniliprole and monosultap
CN103651382A (en) * 2013-12-03 2014-03-26 海南正业中农高科股份有限公司 Insecticidal composition containing chitosan oligosaccharide and applications
CN107751192A (en) * 2017-09-07 2018-03-06 京博农化科技股份有限公司 Application of the trimethylglycine in pesticide suspension concentrate preparation
WO2022018745A1 (en) * 2020-07-18 2022-01-27 Rajdhani Petrochemicals Private Limited Agrochemical mixtures of diamides, plant health additives and insecticide
WO2022096721A1 (en) * 2020-11-09 2022-05-12 Danstar Ferment Ag Method, combination or composition for enhanced insecticidal, acaricidal and/or nematicidal activity
CN114766494A (en) * 2022-05-25 2022-07-22 上海生农生化制品股份有限公司 Insecticidal composition suitable for flying prevention and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102763655A (en) * 2012-08-03 2012-11-07 广西汇丰生物科技有限公司 Granule containing chlorantraniliprole and monosultap
CN103651382A (en) * 2013-12-03 2014-03-26 海南正业中农高科股份有限公司 Insecticidal composition containing chitosan oligosaccharide and applications
CN107751192A (en) * 2017-09-07 2018-03-06 京博农化科技股份有限公司 Application of the trimethylglycine in pesticide suspension concentrate preparation
WO2022018745A1 (en) * 2020-07-18 2022-01-27 Rajdhani Petrochemicals Private Limited Agrochemical mixtures of diamides, plant health additives and insecticide
WO2022096721A1 (en) * 2020-11-09 2022-05-12 Danstar Ferment Ag Method, combination or composition for enhanced insecticidal, acaricidal and/or nematicidal activity
CN114766494A (en) * 2022-05-25 2022-07-22 上海生农生化制品股份有限公司 Insecticidal composition suitable for flying prevention and preparation method thereof

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