CN110537542A - Pesticide composition and application thereof - Google Patents
Pesticide composition and application thereof Download PDFInfo
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- CN110537542A CN110537542A CN201811526507.5A CN201811526507A CN110537542A CN 110537542 A CN110537542 A CN 110537542A CN 201811526507 A CN201811526507 A CN 201811526507A CN 110537542 A CN110537542 A CN 110537542A
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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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- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
Abstract
The invention relates to a pesticide composition and application thereof, the pesticide composition contains active components and auxiliary agents, the active components comprise lentinan and benziothiazolinone, and the weight ratio of the lentinan to the benziothiazolinone is 1: (0.01-90). The pesticide composition can effectively prevent and treat various different types of fungal diseases which are mixed, can also prevent and treat crop diseases which are mixed by fungi and viruses, and achieves the aim of high-yield, stable-yield, high-quality and safe agricultural production of crops.
Description
Technical Field
The disclosure relates to the field of agriculture, in particular to a pesticide composition and application thereof.
Background
Chemical control is a main means for controlling crop diseases, pests and weeds, and provides important guarantee for increasing both production and income of crops. Potato Late Blight (Potato Late Blight), a destructive oomycete disease causing death of Potato stems and leaves and rot of tubers due to phytophthora infestans, occurs all over the world, generally reduces yield by about 40% in epidemic years, seriously reaches more than 50% and even never accepts, and is regarded as a first crop disease in the world; the rice blast is regarded as the disease with the most serious harm in rice production, almost all rice planting areas occur all over the world, the harm is serious, the yield is generally reduced by 10 to 20 percent, and the serious disease reaches more than 50 percent. In addition to the potato late blight and rice blast, diseases which are liable to occur in the agricultural production process include bacterial angular leaf spot anthracnose, false smut, banded sclerotial blight, scab, alternaria leaf spot, rot, ring spot, ulcer and the like. In recent years, with the large-area adjustment of crop planting structures, the vegetable planting area is continuously enlarged, the planting varieties are gradually increased, the occurrence of vegetable diseases and insect pests is aggravated, particularly various virus diseases called plant cancers are easily caused, the virus diseases are a common disease which endangers vegetable production, and the prevention and the control are difficult; and due to the resistance, the mixed occurrence of fungal virus diseases, the processing and using modes of dosage forms and the like, crop diseases are increasingly difficult to control, and great economic impact is caused on agricultural production.
Therefore, the development of a novel bactericide product which is safe, efficient, broad-spectrum and low-toxicity and is required in the agricultural production process is urgently needed.
Disclosure of Invention
The pesticide composition can effectively prevent and treat various fungal diseases which are mixed, can prevent and treat crop diseases which are mixed by fungi and viruses, and achieves the aim of high-yield, stable-yield, high-quality and safe agricultural production of crops.
To achieve the above object, a first aspect of the present disclosure: the pesticide composition comprises active components and an auxiliary agent, wherein the active components comprise lentinan and benziothiazolinone in a weight ratio of 1: (0.01-90).
Optionally, the weight ratio of lentinan to benziothiazolinone is 1: (0.02-60).
Optionally, the weight ratio of lentinan to benziothiazolinone is 1: (0.2-6).
Optionally, the weight ratio of the adjuvant to the active component is 1: (0.05-30).
Optionally, the weight ratio of the adjuvant to the active component is 1: (0.1 to 20).
Optionally, the adjuvant is at least one selected from the group consisting of a solvent, a cosolvent, a penetrant, an emulsifier, a dispersion wetting agent, a colloid stabilizer, an antifreeze, a preservative, an antifoaming agent, a pH adjuster, a disintegrant, a binder, a wall material, and a solid inert carrier.
Optionally, the solvent is at least one selected from xylene, mineral spirits, cyclohexanone, sec-butyl acetate, methyl oleate, ethyl acetate, mineral oil and petroleum ether; the penetrating agent is at least one selected from fatty alcohol-polyoxyethylene ether, cardanol polyoxyethylene ether and phosphate or sulfate ester salt thereof, azone, a rapid penetrating agent T and organic silicon; the emulsifier is at least one selected from sodium dodecyl benzene sulfonate, naphthalene sulfonate, styrene-maleic anhydride copolymer, fatty alcohol polyoxyethylene ether, phenethylnaphthol polyoxyethylene ether, sorbitan polyoxyethylene polyoxypropylene ether, sorbitan monostearate polyoxyethylene ether, sodium lauryl sulfate, sodium succinate sulfonate, polyvinyl alcohol, sodium lignin sulfonate, polycarboxylate and sodium dodecyl sulfate; the dispersing wetting agent is at least one selected from fatty alcohol-polyoxyethylene ether, polyoxyethylene polyoxypropylene ether block copolymer, alkyl naphthalene sulfonate formaldehyde condensate, polycarboxylate, sodium lignosulfonate, calcium lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate, phosphate, sodium succinate sulfonate, sodium dodecyl sulfate and hydroxy polyethylene oxide block copolymer; the colloid stabilizer is at least one selected from magnesium aluminum silicate, xanthan gum, polyethylene glycol, polyvinyl alcohol, carboxymethyl cellulose, bentonite and white carbon black; the antifreezing agent is at least one selected from ethylene glycol, propylene glycol, glycerol, polyethylene glycol, urea, sorbitol, sodium chloride and potassium chloride; the preservative is at least one selected from the group consisting of cason, formaldehyde, benzoic acid, sodium benzoate, sorbic acid and potassium sorbate; the defoaming agent is at least one selected from silicone oil, organic silicone compounds, ester-ether compounds, C8-C12 fatty alcohol compounds and C10-C20 fatty acid compounds; the pH regulator is at least one selected from hydrochloric acid, formic acid, acetic acid, citric acid, sodium hydroxide, triethanolamine, ammonium chloride and phosphate buffer; the disintegrant is at least one selected from sodium carboxymethyl starch, hydroxypropyl starch, carboxypropyl cellulose, croscarmellose sodium, soluble starch, ammonium sulfate and urea; the binder is at least one selected from starch, soluble starch, corn starch, gelatin, acacia, polyvinylpyrrolidone, methylcellulose, hydroxypropyl methylcellulose, polyethylene glycol, polyvinyl alcohol, glucose, maltose, lactose and sucrose; the wall material is at least one selected from urea, melamine, formaldehyde, polyethylene glycol, phenyl methane diisocyanate, isophorone diisocyanate, toluene diisocyanate, hexamethylene diisocyanate, gelatin and Arabic gum; the solid inert carrier is at least one of diatomite, kaolin, bentonite, white carbon black and light calcium carbonate.
Optionally, the composition further comprises sodium lignosulfonate, polyoxyethylene polyoxypropylene ether block copolymer, xanthan gum, sodium benzoate and silicone defoamer; the weight ratio of the total weight of the lentinan and the benziothiazolinone to the weight of the sodium lignin sulfonate, the polyoxyethylene polyoxypropylene ether block copolymer, the xanthan gum, the sodium benzoate and the organic silicon defoamer is 1: (0.05-2): (0.05-1): (0.005-0.2): (0.001-0.1): (0.005-0.2).
In a second aspect of the present disclosure: provides the application of the pesticide composition in the first aspect of the disclosure in controlling crop diseases.
Optionally, the disease comprises at least one of late blight, bacterial angular leaf spot, anthracnose, rice blast, false smut, sheath blight, scab, alternaria leaf spot, rot, ring spot, and canker.
Through the technical scheme, compared with the independent use of lentinan and benziothiazolinone, the pesticide composition disclosed by the invention has the advantages that the lentinan and the benziothiazolinone are compounded for use, so that the control effect is more remarkable, the dosage and the use frequency can be saved, the agricultural cost is reduced, and the environmental safety is improved; the bactericidal composition is mainly used for preventing and treating fungal diseases and virus diseases of crops, can effectively prevent and treat various different types of fungal diseases which are mixed, can also prevent and treat plant diseases which are mixed by fungi and viruses, and achieves the aim of agricultural production with high yield, stable yield, high quality and safety of crops.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present disclosure. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
The first aspect of the disclosure: the pesticide composition comprises active components and an auxiliary agent, wherein the active components comprise lentinan and benziothiazolinone in a weight ratio of 1: (0.01-90).
According to the pesticide composition disclosed by the invention, lentinan and benziothiazolinone are compounded for use, so that the pesticide composition has a more remarkable control effect, the dosage and the dosage times can be saved, the pesticide cost is reduced, and the environmental safety is improved; the bactericidal composition is mainly used for preventing and treating fungal diseases and virus diseases of crops, can effectively prevent and treat various different types of fungal diseases which are mixed, can also prevent and treat plant diseases which are mixed by fungi and viruses, and achieves the aim of agricultural production with high yield, stable yield, high quality and safety of crops.
In accordance with the present disclosure, benzisothiazolinone is the trade name for the compound 1,2 benzisothiazolin-3-one, which is available under the tradename beziothiazolinone, formula: C7H5SON has a relative molecular weight of 151.19, a CAS number of 2634-33-5, and a structural formula shown in formula (1).
Lentinan (LNT), molecular formula: (C42H70O35) n, relative molecular weight 1152.999 (C42H 72O36 when n is 1), CAS number 37339-90-5, structural formula shown in formula (2).
According to the present disclosure, the weight ratio of lentinan to benziothiazolinone is in a wide range to have a synergistic effect, and in order to further enhance their effect, the weight ratio of lentinan to benziothiazolinone is preferably 1: (0.02-60).
According to the present disclosure, in order to further enhance their synergistic effect, more preferably, the weight ratio of lentinan to benziothiazolinone is 1: (0.2-6). In this preferable case, the pesticidal composition has an excellent synergistic effect and can achieve a superior controlling effect with a small application amount.
According to the present disclosure, the pesticide composition can be prepared into dosage forms of various specifications. Depending on the dosage form, different adjuvants may be used. The weight ratio of the adjuvant to the active ingredient may be 1: (0.05-30), preferably 1: (0.1 to 20).
According to the present disclosure, the adjuvant may be selected as needed from ingredients commonly used in the art, for example, the adjuvant may be at least one selected from a solvent, a cosolvent, a penetrant, an emulsifier, a dispersion wetting agent, a colloid stabilizer, an antifreeze, a preservative, an antifoaming agent, a pH adjuster, a disintegrant, a binder, a wall material, and a solid inert carrier.
The present disclosure has no special requirements for the components of the above adjuvant, and substances commonly used in the art can be used, for example:
The solvent may be at least one selected from the group consisting of xylene, mineral spirits, cyclohexanone, sec-butyl acetate, methyl oleate, ethyl acetate, mineral oil and petroleum ether.
The penetrating agent can be at least one selected from fatty alcohol-polyoxyethylene ether, cardanol polyoxyethylene ether and phosphate or sulfate ester thereof, azone, a rapid penetrating agent T and organic silicon.
The emulsifier may be at least one of a cationic surfactant, an anionic surfactant, a nonionic surfactant and a zwitterionic surfactant, and emulsifiers generally used for liquid formulations may be used. Preferably, the emulsifier may be selected from at least one of sodium dodecylbenzene sulfonate, naphthalene sulfonate, styrene-maleic anhydride copolymer, fatty alcohol polyoxyethylene ether, phenethylnaphthol polyoxyethylene ether, sorbitan polyoxyethylene polyoxypropylene ether, sorbitan monostearate polyoxyethylene ether, sodium lauryl sulfate, sodium succinate sulfonate, polyvinyl alcohol, sodium lignin sulfonate, polycarboxylate and sodium lauryl sulfate.
The dispersing wetting agent can be at least one selected from fatty alcohol-polyoxyethylene ether, polyoxyethylene polyoxypropylene ether block copolymer, alkyl naphthalene sulfonate formaldehyde condensate, polycarboxylate, sodium lignosulfonate, calcium lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate, phosphate, sodium succinate sulfonate, sodium dodecyl sulfate and hydroxy polyethylene oxide block copolymer.
The colloid stabilizer may be at least one selected from magnesium aluminum silicate, xanthan gum, polyethylene glycol, polyvinyl alcohol, carboxymethyl cellulose, bentonite and white carbon black.
the anti-freezing agent may be at least one selected from the group consisting of ethylene glycol, propylene glycol, glycerin, polyethylene glycol, urea, sorbitol, sodium chloride, and potassium chloride.
The preservative may be at least one selected from the group consisting of cason, formaldehyde, benzoic acid, sodium benzoate, sorbic acid, and potassium sorbate.
The defoaming agent can be at least one selected from silicone oil, organic silicone compounds, ester-ether compounds, C8-C12 fatty alcohol compounds and C10-C20 fatty acid compounds.
The pH adjustor may be at least one selected from the group consisting of hydrochloric acid, formic acid, acetic acid, citric acid, sodium hydroxide, triethanolamine, ammonium chloride, and a phosphate buffer.
The disintegrant may be at least one selected from the group consisting of sodium carboxymethyl starch, hydroxypropyl starch, carboxypropyl cellulose, croscarmellose sodium, soluble starch, ammonium sulfate, and urea.
The binder may be at least one selected from the group consisting of starch, soluble starch, corn starch, gelatin, gum arabic, polyvinylpyrrolidone, methylcellulose, hydroxypropylmethylcellulose, polyethylene glycol, polyvinyl alcohol, glucose, maltose, lactose, and sucrose.
The wall material may be at least one selected from urea, melamine, formaldehyde, polyethylene glycol, phenylmethane diisocyanate, isophorone diisocyanate, toluene diisocyanate, hexamethylene diisocyanate, gelatin, and gum arabic.
The solid inert carrier may be at least one selected from at least one of diatomaceous earth, kaolin, bentonite, white carbon and light calcium carbonate.
The pesticide compositions of the present disclosure may be provided in finished product form, i.e., the ingredients of the composition have been mixed; each component can also be provided in separate formulations for direct tank mixing at the time of use.
According to the disclosure, the formulation of the pesticide composition can be suspending agent, wettable powder, water dispersible granule, soluble powder, soluble granule, aqueous emulsion, microemulsion, microcapsule suspending agent and the like.
The other components except the active component in each dosage form, the content thereof and the content of the active component have no special requirements, and the conventional mixture ratio in the field can be adopted, for example, the pesticide composition takes 100 parts by weight as the reference:
The suspending agent generally comprises 5-50 parts by weight of active components, 3-10 parts by weight of dispersing wetting agents, 1-10 parts by weight of antifreezing agents, 0.1-1 part by weight of preservatives, 0.1-2 parts by weight of colloid stabilizers, 0.1-1 part by weight of antifoaming agents, 0-10 parts by weight of pH regulators and the balance of water.
In the present disclosure, the formulation of the pesticide composition is preferably a suspending agent, combining environmental, process, use and efficacy factors. At this time, in a preferred embodiment of the present disclosure, the composition further contains sodium lignin sulfonate, polyoxyethylene polyoxypropylene ether block copolymer, xanthan gum, sodium benzoate, and silicone defoamer; the weight ratio of the total weight of the lentinan and the benziothiazolinone to the sodium lignin sulfonate, the polyoxyethylene polyoxypropylene ether block copolymer, the xanthan gum, the sodium benzoate and the organic silicon defoamer can be 1: (0.05-2): (0.05-1): (0.005-0.2): (0.001-0.1): (0.005-0.2). The pesticide composition prepared from the components and the proportion has an outstanding synergistic effect, and can obtain an excellent control effect with a small application amount.
The wettable powder usually contains 5-80 parts by weight of active component, 3-15 parts by weight of dispersant, 1-10 parts by weight of wetting agent and the balance of solid inert carrier.
The water dispersible granule generally contains 5-80 parts by weight of active ingredients, 3-15 parts by weight of dispersing agents, 1-10 parts by weight of wetting agents, 0-10 parts by weight of other additives such as stabilizers and adhesives, and the balance of solid inert carriers.
The soluble powder usually contains 1-60 parts by weight of active component, 1-10 parts by weight of binder, 1-20 parts by weight of dispersant wetting agent, 0-10 parts by weight of other additives such as disintegrant (auxiliary disintegration) and penetrant, and the balance of solid inert carrier.
The soluble granule usually contains 1-60 parts by weight of active ingredients, 1-10 parts by weight of binders, 1-20 parts by weight of dispersant wetting agents, 0-10 parts by weight of other additives such as disintegrants (auxiliary disintegration) and penetrants, and the balance of solid inert carriers.
The aqueous emulsion generally contains 5-40 parts by weight of active components, 5-30 parts by weight of solvent, 5-30 parts by weight of emulsifier, 0.1-5 parts by weight of antifreeze, 0-10 parts by weight of other additives such as stabilizer, preservative and thickener, and the balance of water.
The microemulsion usually contains 0.1-50 weight parts of active component, 5-30 weight parts of solvent, 5-30 weight parts of emulsifier, 0-10 weight parts of other additives such as stabilizer and antifreeze, and the balance of water.
The microcapsule suspension usually contains 0.5-30 parts by weight of active component, 0.1-30 parts by weight of solvent, 1-30 parts by weight of capsule wall material, 2-10 parts by weight of emulsifier, 3-8 parts by weight of dispersant, 0-10 parts by weight of pH regulator, 0.1-2 parts by weight of colloid stabilizer, and the balance of water.
In the present disclosure, there is no special requirement for the preparation method of various dosage forms, and various methods known in the art can be adopted, and are not described herein again.
It will be understood by those skilled in the art that the various dosage forms of the present disclosure may be diluted for use as desired in actual use.
In a second aspect of the present disclosure: provides the application of the pesticide composition in the first aspect of the disclosure in controlling crop diseases. Further, the disease may include at least one of late blight, bacterial angular leaf spot, anthracnose, rice blast, false smut, sheath blight, scab, alternaria leaf spot, rot, ring spot, and ulcer disease.
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
In the following examples, lentinan is purchased from santong peng technologies, inc; benziothiazolinone was purchased from great Huate scientific and technical industries, Inc. in Shaanxi; ningnanmycin was purchased from debang bionts ltd; thiacloprid is purchased from chemical industry Co., Ltd, Longwan of Zhejiang, and other auxiliary components are all commercial products.
Example 1
11 percent of benziothiazolinone and lentinan suspending agent by weight, and the concrete mixture ratio is as follows: 8 parts by weight of benziothiazolinone, 3 parts by weight of lentinan, 3 parts by weight of sodium lignosulfonate, 1.5 parts by weight of polyoxyethylene polyoxypropylene ether block copolymer, 0.15 part by weight of xanthan gum, 0.1 part by weight of sodium benzoate, 0.15 part by weight of an organic silicon defoamer and water for supplementing to 100 parts by weight.
Fully stirring and mixing the raw materials, adding the mixture into a sand mill, sanding for 1-2 hours, and filtering and discharging when the particle size D90 of the suspension is smaller than 5 mu m to obtain the suspending agent preparation.
Example 2
An 11 wt% benziothiazolinone-lentinan suspension was prepared as in example 1, except that the ratio: 5 parts by weight of benziothiazolinone, 6 parts by weight of lentinan, and the balance of the components and contents are the same as in example 1.
Example 3
An 11 wt% benziothiazolinone-lentinan suspension was prepared as in example 1, except that the ratio: 10.5 parts by weight of benziothiazolinone, 0.5 part by weight of lentinan, and the balance of the components and contents are the same as in example 1.
Example 4
An 11 wt% benziothiazolinone-lentinan suspension was prepared as in example 1, except that the ratio: 1 part by weight of benziothiazolinone, 10 parts by weight of lentinan, and the rest of the components and contents are the same as those in example 1.
Example 5
An 11 wt% benziothiazolinone-lentinan suspension was prepared as in example 1, except that the ratio: 10.85 parts by weight of benziothiazolinone, 0.15 part by weight of lentinan, and the rest components and contents are the same as those in example 1.
Example 6
An 11 wt% benziothiazolinone-lentinan suspension was prepared as in example 1, except that the ratio: 0.2 part by weight of benziothiazolinone, 10.8 parts by weight of lentinan, and the rest of the components and contents are the same as those in example 1.
Example 7
a4 wt% benziothiazolinone-lentinan suspension was prepared as in example 1, except that the ratio: 2.9 parts by weight of benziothiazolinone, 1.1 parts by weight of lentinan, 0.5 part by weight of sodium lignosulfonate, 0.2 part by weight of polyoxyethylene polyoxypropylene ether block copolymer, 0.05 part by weight of xanthan gum, 0.05 part by weight of sodium benzoate, 0.05 part by weight of an organosilicon defoamer and water to make up to 100 parts by weight.
Example 8
The 11 wt% benziothiazolinone-lentinan wettable powder is prepared by the following specific mixture ratio: 10 parts by weight of benziothiazolinone, 1 part by weight of lentinan, 5 parts by weight of sodium lauryl sulfate, 10 parts by weight of polycarboxylate, 0.2 part by weight of organosilicon defoamer and kaolin to make up to 100 parts by weight.
The raw materials are fully stirred and mixed, added into a jet mill for crushing, and then uniformly mixed to obtain the wettable powder preparation.
Example 9
The 11 wt% benziothiazolinone-lentinan water dispersible granule is prepared by the following specific mixture ratio: 10 parts by weight of benziothiazolinone, 1 part by weight of lentinan, 5 parts by weight of sodium dodecyl sulfate, 10 parts by weight of sodium lignosulfonate, 5 parts by weight of ammonium sulfate, 2 parts by weight of methylcellulose, 3 parts by weight of sodium chloride and the balance to 100 parts by weight of kaolin.
The raw materials are fully stirred and mixed, then crushed by an ultramicro jet mill, uniformly mixed, added with proper amount of water, kneaded and granulated to obtain the water dispersible granule preparation.
Example 10
5.5 wt% benziothiazolinone-lentinan soluble powder, the concrete proportion is as follows: 5 parts of benziothiazolinone, 0.5 part of lentinan, 15 parts of solvent oil, 10 parts of cyclohexanone, 10 parts of fatty alcohol-polyoxyethylene ether and kaolin which is complemented to 100 parts by weight.
Fully dissolving benziothiazolinone in solvent oil and cyclohexanone, and adding fatty alcohol-polyoxyethylene ether to obtain an oil phase; mixing lentinan and kaolin uniformly to obtain the mixed carrier. And (3) uniformly mixing the oil phase and the mixed carrier to obtain soluble powder.
Example 11
5.5 wt% benziothiazolinone-lentinan soluble granule, which comprises the following specific mixture ratio: 5 parts by weight of benziothiazolinone, 0.5 part by weight of lentinan, 15 parts by weight of solvent oil, 10 parts by weight of cyclohexanone, 10 parts by weight of fatty alcohol-polyoxyethylene ether and kaolin which is complemented to 100 parts by weight.
Fully dissolving benziothiazolinone in solvent oil and cyclohexanone, and adding fatty alcohol-polyoxyethylene ether to obtain an oil phase; mixing lentinan and kaolin uniformly to obtain the mixed carrier. And (3) uniformly mixing the oil phase and the mixed carrier, kneading, and granulating to obtain the soluble granule.
Example 12
5.5 percent of benziothiazolinone-lentinan emulsion in water, which comprises the following specific mixture ratio: 5 parts by weight of benziothiazolinone, 0.5 part by weight of lentinan, 15 parts by weight of solvent oil, 10 parts by weight of cyclohexanone, 10 parts by weight of fatty alcohol-polyoxyethylene ether, 10 parts by weight of sorbitan polyoxyethylene polyoxypropylene ether, 1 part by weight of organic silicon penetrating agent, 1.5 parts by weight of glycol, 0.15 part by weight of defoaming agent, 0.08 part by weight of polyethylene glycol and water which is complemented to 100 parts by weight.
Fully dissolving benziothiazolinone in solvent oil and cyclohexanone, and adding fatty alcohol-polyoxyethylene ether, sorbitan polyoxyethylene polyoxypropylene ether, an organic silicon penetrating agent and glycol to obtain an oil phase; dissolving lentinan in water to obtain water phase. And (3) dropping the water phase into the oil phase at a constant speed, adding a proper amount of organic silicon defoamer and polyethylene glycol, and fully stirring and mixing to obtain the aqueous emulsion preparation.
Example 13
5.5 percent of benziothiazolinone-lentinan microemulsion by weight, which comprises the following specific mixture ratio: 5 parts by weight of benziothiazolinone, 0.5 part by weight of lentinan, 20 parts by weight of solvent oil, 5 parts by weight of cyclohexanone, 10 parts by weight of styrene-maleic anhydride copolymer, 10 parts by weight of fatty alcohol-polyoxyethylene ether, 1 part by weight of organosilicon penetrant, 1.5 parts by weight of ethylene glycol and water which is complemented to 100 parts by weight.
Fully dissolving benziothiazolinone in solvent oil and cyclohexanone, and adding a styrene-maleic anhydride copolymer, fatty alcohol-polyoxyethylene ether, an organic silicon penetrating agent and ethylene glycol to obtain an oil phase; dissolving lentinan in water to obtain water phase. And fully stirring and mixing the water phase and the oil phase to obtain transparent homogeneous liquid, namely the microemulsion preparation.
Example 14
5.5 wt% benziothiazolinone-lentinan microcapsule suspending agent, which comprises the following components in percentage by weight: 5 parts by weight of benziothiazolinone, 0.5 part by weight of lentinan, 20 parts by weight of solvent oil, 15 parts by weight of urea, 15 parts by weight of formaldehyde, 5 parts by weight of cyclohexanone, 8 parts by weight of styrene-maleic anhydride copolymer, 6 parts by weight of sodium lignosulfonate, 0.2 part by weight of acetic acid, 0.8 part by weight of triethanolamine, 0.15 part by weight of sodium benzoate, 2 parts by weight of ethylene glycol and the balance to 100 parts by weight of water.
Mixing urea, formaldehyde and triethanolamine, heating to about 80 ℃, and preserving heat for 3 hours to obtain a prepolymer; dissolving benziothiazolinone in solvent oil and cyclohexanone, adding styrene-maleic anhydride copolymer for emulsification, and adjusting pH with acetic acid to obtain an oil phase; adding the oil phase into the prepolymer, heating to 80 ℃, and keeping the temperature for 6 hours to obtain a microcapsule suspension; dissolving lentinan and ethylene glycol in water to obtain a water phase; and adding the water phase into the microcapsule suspension, adding sodium lignosulfonate and sodium benzoate, and stirring and mixing uniformly to obtain the microcapsule suspending agent.
Comparative example 1
An 11 wt% lentinan suspension was prepared as in example 1, except that: 11 parts by weight of lentinan is used to replace benziothiazolinone and lentinan in example 1, and the other components and contents are the same
Example 1.
Comparative example 2
An 11 wt% benziothiazolinone suspension was prepared as in example 1, except that: 11 parts by weight of benziothiazolinone and lentinan in example 1 were replaced with benziothiazolinone and the remaining components and contents were the same as in example 1.
Comparative example 3
An 11% by weight suspension of thiediazole copper-lentinan was prepared as in example 1, with the exception that: 10 parts by weight of Thiachromone and 1 part by weight of lentinan are used instead of the benziothiazolinone and the lentinan in example 1, and the other components and contents are the same as in example 1.
Comparative example 4
An 11% by weight suspension of thiediazole copper-lentinan was prepared as in example 1, with the exception that: 10 parts by weight of benziothiazolinone and 1 part by weight of ningnanmycin were used in place of benziothiazolinone and lentinan in example 1, and the other components and contents were the same as in example 1.
Test example 1
The test experiment is used for determining the control effects of the examples and the comparative examples on rice blast, false smut and banded sclerotial blight of rice and observing the control effects on rice black-streaked dwarf disease or banded sclerotial blight of rice, and all tested agents need to be diluted for the second time before the test.
The experimental site: in Anhui Anqing rice test area, the intensification degree, the planting level and the mechanization level are higher, and the land with equivalent growth vigor and fertility is selected for carrying out the test. In order to achieve the experimental effect, a knapsack sprayer is adopted, the knapsack sprayer is diluted and sprayed according to 6.6g of active ingredients, and other subsequent water and fertilizer management and mechanical management are consistent. The experiment was carried out by 18 treatments, spraying the rice in examples 1 to 14 and comparative examples 1 to 4, respectively, and using clean water as a blank treatment. Each treatment was repeated 3 times for a total of 39 cells in a random block arrangement. 0.5 mu per cell.
The control effects of rice blast, false smut and sheath blight of rice are investigated 10 days, 20 days and 30 days after application of the pesticide, and the occurrence conditions of the false smut and sheath blight of rice are investigated, and the specific method is carried out according to the pesticide field efficacy test criteria. The disease index is calculated according to the formula (1), and the prevention and treatment effect is calculated according to the formula (2), and the results are shown in the following table 1.
Formula (1): disease index of 100 × Σ (number of diseased leaves at each stage × representative value at each stage)/(total number of examined leaves × highest representative value at the highest stage)
Formula (2): preventing and treating effect (%) (index of disease after preventing in control area-index of disease after preventing in treatment area)/index of disease after preventing in control area
TABLE 1
As can be seen from Table 1, the benziothiazolinone-lentinan pesticide composition disclosed by the invention has better persistent control effects on rice blast, false smut and sheath blight, is a good medicament for controlling rice blast, false smut and sheath blight, and is worthy of popularization and application; and subsequent observation shows that after the composition containing benziothiazolinone and lentinan disclosed by the invention is used, the growth vigor of rice is better than that of a blank control, and the subsequent disease resistance is stronger.
Test example 2
The test experiment is used for determining the control effect of the examples and the comparative examples on tomato virus diseases, and all test medicaments need to be diluted twice before the test.
The experimental site: in Hebei Leting vegetable test area, the tomato virus disease prevention and treatment test is carried out, and the greenhouse with the advantages of equivalent growth vigor, consistent soil property and higher management level is selected for treatment. The agent is applied at the early stage of tomato viral disease, sprayed for 2-3 times at intervals of 5-7d, and the dosage of effective components is 6.6 g/mu. Other follow-up pesticide and fertilizer management and mechanized management are consistent. The experiment is carried out by 18 treatments, wherein the tomatoes are sprayed by adopting examples 1-14 and comparative examples 1-4 respectively, and clear water is used as blank treatment. Each treatment was repeated 3 times for a total of 39 cells in a random block arrangement. 0.5 mu per cell.
The tomato virus disease control effect was investigated 10 days, 20 days and 30 days after application, and the specific method was performed according to the "test criteria for pesticide field efficacy". The disease index is calculated according to the formula (1), the prevention and treatment effect is calculated according to the formula (2), and the results are shown in the following table 2.
TABLE 2
As can be seen from Table 2, the benziothiazolinone-lentinan pesticide composition disclosed by the invention has a better persistent control effect on tomato virus diseases, is an excellent medicament for controlling tomato virus diseases, and is worthy of popularization and application; and compared with the product prepared by the comparative example, the effect is better, and the lasting period is longer.
Test example 3
The test experiment is used for determining the control effect of the examples and the comparative examples on the cucumber bacterial angular leaf spot, and all the test agents need to be diluted for the second time before the test.
The experimental site: in a Shandong Shouguang vegetable greenhouse test area, the planting level is higher, and a greenhouse with the same growth vigor and the medium fertility is selected. And (3) diluting and spraying by using a knapsack sprayer according to the dosage of 6.6g of the active ingredients per mu, and carrying out other subsequent water and fertilizer management and mechanized management to be consistent. Experiments show that 18 treatments are adopted, wherein the cucumber is sprayed in examples 1-14 and comparative examples 1-4 respectively, and clear water is used as blank treatment. Each treatment was repeated 3 times for a total of 39 cells in a random block arrangement. 0.5 mu per cell.
Investigation on the control effect of cucumber bacterial angular leaf spot 10 days, 20 days and 30 days after application is carried out according to the pesticide field efficacy test criteria. The disease index is calculated according to the formula (1), and the prevention and treatment effect is calculated according to the formula (2), and the results are shown in the following table 3.
TABLE 3
As can be seen from table 3, the benziothiazolinone-lentinan pesticide composition disclosed by the invention has a better persistent control effect on cucumber bacterial angular leaf spot, is an excellent agent for controlling cucumber bacterial angular leaf spot, and is worthy of popularization and application; and compared with the product of the comparative example, the effect is better, and the lasting period is longer.
Test example 4
In the test area of potatoes in Ulan city, inner Mongolia, the test for preventing and treating anthracnose and late blight of potatoes is carried out, and plots with flat terrain, consistent soil properties (pH, soil moisture preservation, crop rotation and the like), uniform fertility and the like are selected for treatment. The experiment was carried out by 18 treatments, spraying the rice in examples 1 to 14 and comparative examples 1 to 4, respectively, and using clean water as a blank treatment. Each treatment was repeated 3 times for a total of 39 cells in a random block arrangement. 0.5 mu per cell.
The control effects of potato late blight and anthracnose are investigated 10 days, 20 days and 30 days after pesticide application, and the specific method is carried out according to the pesticide field efficacy test criteria. The disease index is calculated according to the formula (1), and the prevention and treatment effect is calculated according to the formula (2), and the results are shown in the following table 4.
TABLE 4
As can be seen from Table 4, the benziothiazolinone-lentinan pesticide composition disclosed by the invention has a better persistent control effect on potato late blight and anthracnose, is an excellent agent for controlling potato late blight and anthracnose, and is worthy of popularization and application; and compared with the product of the comparative example, the effect is better, and the lasting period is longer.
Test example 5
The test example is experimentally arranged in a Shanxi Weinan apple test base to carry out comprehensive control tests on apple scab, alternaria leaf spot, rot, ring spot and canker: the variety is crystal sugar red Fuji, the application period is the initial stage of disease onset, the interval period is 10-15 days, 8-10 years old land parcels with consistent tree vigor, consistent soil property and uniform fertility are selected for treatment. The test is carried out by 18 treatments, wherein the apple trees are subjected to spray treatment by adopting examples 1-14 and comparative examples 1-4 respectively, and clear water is used as blank treatment. Each treatment was repeated 3 times for a total of 39 cells in a random block arrangement. 5 fruit trees in each plot.
The control effects of scab, alternaria leaf spot, rot, ring spot and canker of apple trees are investigated 10 days after application, and the specific method is carried out according to the pesticide field efficacy test criteria. The control effect was calculated according to the formulas (1) and (2), and the results are shown in Table 5 below.
TABLE 5
As can be seen from Table 5, the benziothiazolinone-lentinan pesticide composition disclosed by the invention has better persistent control effects on scab, alternaria leaf spot, rot, ring spot and canker of apple trees, and is worthy of popularization and application; and compared with the product of the comparative example, the effect is better.
As can be seen from tables 1 to 5, the composition disclosed by the invention has better control effects on late blight, bacterial angular leaf spot, anthracnose, rice blast, false smut, banded sclerotial blight, scab, alternaria leaf spot, rot, ring spot, ulcer and virus diseases of crop fungal diseases. After the lentinan and the benziothiazolinone are compounded, compared with a single agent, the compound preparation has the advantages that the control effect is obviously improved, the lasting period is prolonged, and the synergistic effect is obvious; can achieve the purposes of reducing the times of medication, saving the cost and lightening the pressure of environmental pollution. Comparing examples 1-7, it can be seen that the weight ratio of lentinan to benziothiazolinone is 1: (0.02-60), and particularly, the weight ratio of lentinan to benziothiazolinone is 1: (0.2-6), the control effect can be further improved; the weight ratio of the auxiliary agent to the active component is 1: (0.1 to 20), the control effect can be further improved.
The preferred embodiments of the present disclosure have been described in detail above, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The pesticide composition is characterized by comprising active components and an auxiliary agent, wherein the active components comprise lentinan and benziothiazolinone in a weight ratio of 1: (0.01-90).
2. The composition of claim 1, wherein the weight ratio of lentinan to benziothiazolinone is 1: (0.02-60).
3. The composition of claim 1, wherein the weight ratio of lentinan to benziothiazolinone is 1: (0.2-6).
4. The composition according to claim 1, wherein the weight ratio of adjuvant to active component is 1: (0.05-30).
5. The composition according to claim 4, wherein the weight ratio of adjuvant to active component is 1: (0.1 to 20).
6. The composition according to claim 1, wherein the adjuvant is at least one selected from the group consisting of a solvent, a cosolvent, a penetrant, an emulsifier, a dispersion wetting agent, a colloid stabilizer, an antifreeze, a preservative, an antifoaming agent, a pH adjuster, a disintegrant, a binder, a wall material, and a solid inert carrier.
7. The composition of claim 6, wherein the solvent is at least one selected from the group consisting of xylene, mineral spirits, cyclohexanone, sec-butyl acetate, methyl oleate, ethyl acetate, mineral oil, and petroleum ether; the penetrating agent is at least one selected from fatty alcohol-polyoxyethylene ether, cardanol polyoxyethylene ether and phosphate or sulfate ester salt thereof, azone, a rapid penetrating agent T and organic silicon; the emulsifier is at least one selected from sodium dodecyl benzene sulfonate, naphthalene sulfonate, styrene-maleic anhydride copolymer, fatty alcohol polyoxyethylene ether, phenethylnaphthol polyoxyethylene ether, sorbitan polyoxyethylene polyoxypropylene ether, sorbitan monostearate polyoxyethylene ether, sodium lauryl sulfate, sodium succinate sulfonate, polyvinyl alcohol, sodium lignin sulfonate, polycarboxylate and sodium dodecyl sulfate; the dispersing wetting agent is at least one selected from fatty alcohol-polyoxyethylene ether, polyoxyethylene polyoxypropylene ether block copolymer, alkyl naphthalene sulfonate formaldehyde condensate, polycarboxylate, sodium lignosulfonate, calcium lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate, phosphate, sodium succinate sulfonate, sodium dodecyl sulfate and hydroxy polyethylene oxide block copolymer; the colloid stabilizer is at least one selected from magnesium aluminum silicate, xanthan gum, polyethylene glycol, polyvinyl alcohol, carboxymethyl cellulose, bentonite and white carbon black; the antifreezing agent is at least one selected from ethylene glycol, propylene glycol, glycerol, polyethylene glycol, urea, sorbitol, sodium chloride and potassium chloride; the preservative is at least one selected from the group consisting of cason, formaldehyde, benzoic acid, sodium benzoate, sorbic acid and potassium sorbate; the defoaming agent is at least one selected from silicone oil, organic silicone compounds, ester-ether compounds, C8-C12 fatty alcohol compounds and C10-C20 fatty acid compounds; the pH regulator is at least one selected from hydrochloric acid, formic acid, acetic acid, citric acid, sodium hydroxide, triethanolamine, ammonium chloride and phosphate buffer; the disintegrant is at least one selected from sodium carboxymethyl starch, hydroxypropyl starch, carboxypropyl cellulose, croscarmellose sodium, soluble starch, ammonium sulfate and urea; the binder is at least one selected from starch, soluble starch, corn starch, gelatin, acacia, polyvinylpyrrolidone, methylcellulose, hydroxypropyl methylcellulose, polyethylene glycol, polyvinyl alcohol, glucose, maltose, lactose and sucrose; the wall material is at least one selected from urea, melamine, formaldehyde, polyethylene glycol, phenyl methane diisocyanate, isophorone diisocyanate, toluene diisocyanate, hexamethylene diisocyanate, gelatin and Arabic gum; the solid inert carrier is at least one of diatomite, kaolin, bentonite, white carbon black and light calcium carbonate.
8. The composition according to any one of claims 1 to 3, wherein the composition further comprises sodium lignosulfonate, polyoxyethylene polyoxypropylene ether block copolymer, xanthan gum, sodium benzoate and a silicone defoamer; the weight ratio of the total weight of the lentinan and the benziothiazolinone to the weight of the sodium lignin sulfonate, the polyoxyethylene polyoxypropylene ether block copolymer, the xanthan gum, the sodium benzoate and the organic silicon defoamer is 1: (0.05-2): (0.05-1): (0.005-0.2): (0.001-0.1): (0.005-0.2).
9. Use of the pesticidal composition of any one of claims 1 to 8 for controlling crop diseases.
10. The use of claim 7, wherein the disease comprises at least one of late blight, bacterial angular leaf spot, anthracnose, rice blast, false smut, sheath blight, scab, alternaria leaf spot, rot, ring spot, and ulcer disease.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111296448A (en) * | 2020-03-12 | 2020-06-19 | 福建省亚热带植物研究所 | Application of lentinan in preventing and treating fungal diseases of tea trees |
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| CN106070245A (en) * | 2016-08-15 | 2016-11-09 | 江苏辉丰农化股份有限公司 | A kind of microbicide compositions |
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| CN106070245A (en) * | 2016-08-15 | 2016-11-09 | 江苏辉丰农化股份有限公司 | A kind of microbicide compositions |
| CN106942240A (en) * | 2017-02-28 | 2017-07-14 | 江苏辉丰农化股份有限公司 | A kind of microbicide compositions comprising emodin derivates and BIT |
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| CN111296448A (en) * | 2020-03-12 | 2020-06-19 | 福建省亚热带植物研究所 | Application of lentinan in preventing and treating fungal diseases of tea trees |
| CN111296448B (en) * | 2020-03-12 | 2021-09-07 | 福建省亚热带植物研究所 | Application of lentinan in preventing and treating fungal diseases of tea trees |
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Application publication date: 20191206 |