CN104430356A - Brassinolide and eugenol complex pesticide and application thereof - Google Patents
Brassinolide and eugenol complex pesticide and application thereof Download PDFInfo
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Abstract
The invention relates to a brassinolide and eugenol complex pesticide and application thereof, belongs to the field of pesticides, and aims to provide the brassinolide and eugenol complex pesticide. The brassinolide and eugenol complex pesticide is characterized in that the active ingredients are 0.001 to 0.2 part by weight of brassinolide and 0.5 to 100 parts by weight of eugenol. The brassinolide and eugenol complex pesticide has a favorable sterilizing effect, and can be used for preventing and treating plant diseases such as powdery mildew, gray mold, downy mildew, viral disease leaf mold, anthracnose, rust disease, blight and phytophthora disease; due to the two botanical effective components of different action mechanisms, the brassinolide and eugenol complex pesticide is lower in cost, pesticide residue is avoided, the risk of phytotoxicity is greatly reduced.
Description
Technical field
The present invention relates to brassin lactones and eugenol built agent and application thereof, belong to pesticide field.
Background technology
The normal physiological function of plant is damaged or disturbs caused consequence to be called plant disease.Many plant diseases such as powdery mildew, gray mold, downy mildew, virus disease, leaf mold, anthracnose, rust, wilt, epidemic disease etc. have become the Major Diseases affecting agricultural production.The large generation of corps diseases, often makes national economy and people's lives sustain losses severely.Some ill crop can also cause person poultry poisoning.Some good quality and high output kinds are often eliminated because disease is serious.
At present, mainly chemical bactericide is adopted to the chemical control of plant disease.For a long time, due to aborning in order to ensure that agricultural output and quality use chemical bactericide in a large number, immense pressure is caused to ecotope, and cause some germ to create pesticide resistance, increase the consumption of chemical bactericide further, thus cause residue of pesticide to exceed standard, significant damage is caused to people and animals, environment.Therefore, develop the favor that toxicity is low, environment compatibility is good botanical fungicide is subject to various countries day by day, meanwhile, the botanical fungicide of different mechanism of action also plays a kind of effect alleviating resistance risk by producing now the pesticide species developed immunity to drugs.
Brassin lactones, English common name brassinolide, to people and animals' low toxicity, being known as by academia is the 6th class plant hormone.Found that there is nearly 40 kinds at present, what wherein biologically active was higher, with practical value only has a few.Its chemical structural formula is:
Brassin lactones may be used for field crop, fruit, vegetables, flowers etc.Have that brute force is taken root, growth promoting effects, carry seedling, strong sprout, keep a full stand of seedings, yellowtop leaf turns green, promote that setting Fruit is precocious, alleviate that disease is alleviated poisoning, coordinated nutrient balance, drought resisting is cold-resistant, strengthen the multi-functionals such as crop anti-adversity.To the dead seedling caused because of reasons such as continuous cropping, disease, poisoning, freeze injuries, rotten, vertical withered, phenomenon of dampinging off first aid effect remarkable, use and namely obviously take effect for 12-24 hours, come back to life, recover life rapidly.Be applicable to cereal crops, economic crops, vegetables and fruit etc., growth promoting effects, do Fruit agent, increase yield.
In test, the present inventor finds brassin lactones and eugenol is composite good synergistic function, mixing according to a certain percentage can be prepared as composite bactericide, has good control efficiency to plant diseases such as powdery mildew, gray mold, downy mildew, virus disease, leaf mold, anthracnose, rust, wilt, epidemic diseases.
Summary of the invention
The technical problem that the present invention solves is to provide brassin lactones and eugenol built agent.
Brassin lactones of the present invention and eugenol built agent, its active component is made up of the component of following weight portion: brassin lactones 0.001 ~ 0.2 part, eugenol 0.5 ~ 100 part.
Further, its active component is preferably made up of the component of following weight portion: brassin lactones 0.01 ~ 0.1 part, eugenol 1 ~ 50 part.Its active component is more preferably made up of the component of following weight portion: brassin lactones 0.03 ~ 0.08 part, eugenol 5 ~ 20 parts.
Can also contain auxiliary agent in brassin lactones of the present invention and eugenol built agent, described auxiliary agent is at least one in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent, wetting agent.
Brassin lactones of the present invention and eugenol built agent can be prepared as missible oil, suspending agent, water dispersible granules, aqueous emulsion or microemulsion.
In the various formulations of brassin lactones of the present invention and eugenol built agent, the mass fraction of active component is preferably 0.1 ~ 20%.
The present invention also provides brassin lactones of the present invention and the application of eugenol built agent in controlling plant diseases.
Wherein, described plant disease is powdery mildew, gray mold, downy mildew, virus disease, leaf mold, anthracnose, rust, wilt or epidemic disease.In use, the concentration preferably described brassin lactones and eugenol built agent being diluted to active component is 1 ~ 20ppm, is preferably 5 ~ 15ppm.
Brassin lactones of the present invention and eugenol built agent, together with brassin lactones is composite with eugenol, utilize the synergy of bactericidal property between brassin lactones and eugenol, medicament of the present invention is made not only to have good growth regulation effect to crop, also there is good bactericidal action, compared with prior art, brassin lactones of the present invention and eugenol built agent have the following advantages: 1, composite have obvious synergistic function, can bactericidal effect be improved, to plant disease, there is good control efficiency; 2, be made up of the active ingredient that two kinds of mechanism of action are different, cost is lower; 3, compound drug is plant resource, there is not Pesticide Residue, and the risk producing poisoning reduces greatly.
Embodiment
Brassin lactones of the present invention and eugenol built agent, is characterized in that, its active component is made up of the component of following weight portion: brassin lactones 0.001 ~ 0.2 part, eugenol 0.5 ~ 100 part.Wherein, brassin lactones can adopt conventional kind, as BR1, BR2, BR3, BR4, BR5 and BR6 etc. separately or the composition of mixing.When mixing composition, BR1: BR2: BR3: BR4: BR5 and the weight ratio of BR6 can be 0.01 ~ 100: 0.01 ~ 100: 0.01 ~ 100: 0.01 ~ 100: 0.01 ~ 100: 0.01 ~ 100.
Further, its active component is preferably made up of the component of following weight portion: brassin lactones 0.01 ~ 0.1 part, eugenol 1 ~ 50 part; Be more preferably and be made up of the component of following weight portion: brassin lactones 0.03 ~ 0.08 part, eugenol 5 ~ 20 parts.
Also auxiliary agent is contained in brassin lactones of the present invention and eugenol built agent, use and acceptable auxiliary element is allowed all to can be used as auxiliary agent of the present invention in agricultural chemicals, as solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent, wetting agent etc., also can add other be of value to active ingredient in the formulation stable and drug effect play oneself know material.
Wherein, conventional addible solvent comprises water, ethanol, isopropyl alcohol, n-butanol, ethyl acetate, butyl acetate, methyl-sulfoxide, turpentine oil, solvent naphtha, 1-METHYLPYRROLIDONE, dimethyl formamide etc.
Emulsifier comprises non-ionic surface active agent and/or anion surfactant.The non-ionic surface active agent that can adopt is selected from: dibenzyl xenyl APEO, styryl phenyl APEO, styryl phenyl APEO, phenethyl phenyl polyoxyethylene one polyethenoxy ether, OPEO, alkylphenol polyoxyethylene sulfosuccinate, aliphatic acid polyethenoxy ether, fatty alcohol-polyoxyethylene ether, aliphatic amine polyoxyethylene ether, castor oil ethylene oxide adduct and derivative thereof, polyol fatty acid ester and ethylene oxide adduct etc. thereof, the anion surfactant that can adopt is selected from: calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate etc.In addition, commercially available various emulsifier types can also be adopted, as No. 500, agriculture breast, agricultural emulsifier NO.600 series, serial, the TWEEN Series of BY or any one or the multiple combination that have in the emulsifier of similar features.
Dispersant to reduce the material that in dispersion, solid or liquid particle are assembled, and comprises lignosulfonates, PAA and propionamide copolymer, alkylnaphthalene sulfonate, polycarboxylic acid salt's condensation product, methyl sodiosul foaliphatate etc.
Stabilizing agent can be used for the stability increasing built agent, comprises 2-expoxy propane, butyl glycidyl ether, isopropyl alcohol, n-butanol, polyethylene glycol and well known to a person skilled in the art at least one in stabilizing agent.Antifreezing agent comprises ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite etc.; Wetting agent comprises the condensation product etc. of dodecyl sulphate potassium, sodium butylnaphthalenesulfonate salt, fatty alcohol and oxirane.
Brassin lactones of the present invention and eugenol built agent directly can adopt brassin lactones and eugenol simply to mix and obtain.Wherein, brassin lactones can adopt commercially available, and the method described in patent 201310063327.9 also can be adopted to prepare; Eugenol can adopt commercially available, and alcohol extracting thermal reflux oneself also can be adopted to prepare.
Brassin lactones of the present invention and eugenol built agent can be prepared into any one formulation of applicable agricultural use by the method for this area routine, reasonable formulation is missible oil, suspending agent, water dispersible granules, aqueous emulsion or microemulsion.
Further, in order to improve stability, in brassin lactones and eugenol built agent, the mass fraction of active component is 0.1 ~ 20%.
The present invention also provides brassin lactones of the present invention and the application of eugenol built agent in controlling plant diseases.Brassin lactones of the present invention and eugenol built agent have significant control efficiency to diseases such as crop powdery mildew, gray mold, downy mildew, virus disease, leaf mold, anthracnose, rust, wilt or epidemic diseases, also have good growth regulation effect in addition to crop.Brassin lactones of the present invention and eugenol built agent can be used by common method, and as cast, injection or spraying etc., its amount of application is with weather condition or crop condition change.General, concentration when using, brassin lactones and eugenol built agent being diluted to active component is 1 ~ 20ppm, is preferably 5 ~ 15ppm.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
Embodiment 1
Get 0.2 gram of brassin lactones BR1,0.5 gram of eugenol, add auxiliary material neopelex 20 grams, OPEO 10 grams, complement to 1000 grams with ethanol+ethyl acetate+dimethyl formamide (7:3:0.5), stir, make soluble concentrate.
Embodiment 2
Get 0.001 gram of brassin lactones BR2,100 grams of eugenols, add auxiliary material neopelex 500 grams, OPEO 100 grams, complement to 1000 grams with ethanol+ethyl acetate+dimethyl formamide (6.5:2.8:0.3), stir, make soluble concentrate.
Embodiment 3
Get 0.01 gram of brassin lactones BR3,50 grams of eugenols, add auxiliary material 20% sodium carboxymethyl cellulose solution 120 grams, sodium lignin sulfonate 30 grams, bentonite 100 grams, white carbon 50 grams, calcium chloride is mended to 1000 grams, mixes, extruder grain, dries, makes water dispersible granules.
Embodiment 4
Get 0.1 gram of brassin lactones BR4,1 gram of eugenol, add auxiliary material calcium dodecyl benzene sulfonate 50 grams, styrenated phenol APEO 20 grams, ethylene glycol 20 grams, add water and mend to 1000 grams, be uniformly mixed, make microemulsion.
Embodiment 5
Get 0.03 gram of brassin lactones BR5,5 grams of eugenols, add auxiliary material alkylnaphthalene sulfonate condensation polymer 50 grams, white carbon 20 grams, xanthans 20 grams, add water and mend to 1000 grams, high speed shear, is uniformly mixed, and makes suspending agent.
Embodiment 6
Get 0.08 gram of brassin lactones BR6,20 grams of eugenols, add auxiliary material agriculture breast 500#28 gram, agriculture breast 601#72 gram, ethylene glycol 200 grams, adds water and mends to 1000 grams, be uniformly mixed, make aqueous emulsion.
Embodiment 7
Get 0.05 gram of brassinolide mixture (in mixture BR1:BR2:BR3:BR4:BR5:BR6=0.4:0.4:0.4:0.4:0.4:98), 15 grams of eugenols, enter auxiliary material organosilicon 20 grams, neopelex 30 grams, OPEO 10 grams, complement to 1000 grams with ethanol+ethyl acetate+dimethyl formamide (7:3:0.5), stir, make soluble concentrate.
Test example 1 prevents and treats the field control effectiveness test of balsam pear powdery mildew
For clear and definite brassin lactones and eugenol built agent put into field efficacy situation, applicant has carried out to this medicament the field control effectiveness test preventing and treating balsam pear powdery mildew in Meishan city in September, 2013.
1, reagent agent
Embodiment 1-6 product
Brassin lactones single dose: the BR2 prepared by the method described in patent 201310063327.9.
Eugenol single dose: prepared by alcohol extracting thermal reflux.
2, experimental scheme and method
Small plot experiment is designed with reference to standard GB/T/T 17980.30-2000 " field control effectiveness test criterion (one) bactericidal agent for preventing and treating powdery mildew of cucumber ".Reagent agent is watered 30kg by every mu and carries out even spraying, and establishes clear water blank, adopts following stage division:
0 grade: without scab;
1 grade: lesion area accounts for less than 5% of one-piece blade area;
3 grades: lesion area accounts for the 6%-10% of one-piece blade area;
5 grades: lesion area accounts for the 11%-20% of one-piece blade area;
7 grades: lesion area accounts for the 21%-40% of one-piece blade area;
9 grades: lesion area accounts for more than 40% of one-piece blade area.
According to survey data, calculate disease index and the control efficiency of each process.
Disease index is pressed formula (1) and is calculated, and result of calculation retains 2 significant digits:
Control efficiency is pressed formula (2) and is calculated, and result of calculation retains 2 significant digits:
In formula: CK: blank group disease index; PT: chemicals treatment group disease index.
Within after medicine 14 days, investigate, record total leaf tree and the sick number of sheets, process the data obtained, adds up the preventive effect of each reagent agent and concentration, the results are shown in Table 1.
Table 1 medicament of the present invention is to the preventive effect of balsam pear powdery mildew
As can be seen from Table 1, product of the present invention has good control efficiency to balsam pear powdery mildew, can more than 60% be reached, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function in control balsam pear powdery mildew.
Test example 2 prevents and treats the field control effectiveness test of celery gray mold
By the method for test example 1, reagent agent is carried out the drug effect test of field zone preventing and treating celery gray mold, test of pesticide effectiveness result is as table 2:
Table 2 medicament of the present invention is to the preventive effect of celery gray mold
As can be seen from Table 2, product of the present invention has good control efficiency to celery gray mold, can more than 80% be reached, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function in control celery gray mold.
Test example 3 prevents and treats the field control effectiveness test of cladosporium leaf and fruit mould of tomato
By the method for test example 1, reagent agent is carried out the drug effect test of field zone preventing and treating cladosporium leaf and fruit mould of tomato, test of pesticide effectiveness result is as table 3:
Table 3 medicament of the present invention is to the preventive effect of cladosporium leaf and fruit mould of tomato
As can be seen from Table 3, product of the present invention has good control efficiency to cladosporium leaf and fruit mould of tomato, can more than 70% be reached, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function preventing and treating in cladosporium leaf and fruit mould of tomato.
Test example 4 prevents and treats the field control effectiveness test of pepper anthracnose
By the method for test example 1, reagent agent is carried out the drug effect test of field zone preventing and treating pepper anthracnose, test of pesticide effectiveness result is as table 4:
Table 4 medicament of the present invention is to the preventive effect of pepper anthracnose
As can be seen from Table 4, product of the present invention has good control efficiency to pepper anthracnose, can more than 80% be reached, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function in control pepper anthracnose.
Test example 5 prevents and treats the field control effectiveness test of downy mildew of garpe
By the method for test example 1, reagent agent is carried out the drug effect test of field zone preventing and treating downy mildew of garpe, test of pesticide effectiveness result is as table 5:
Table 5 medicament of the present invention is to the preventive effect of downy mildew of garpe
As can be seen from Table 5, product of the present invention has good control efficiency to downy mildew of garpe, can more than 80% be reached, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function preventing and treating in downy mildew of garpe.
Test example 6 prevents and treats the field control effectiveness test of garlic rust
By the method for test example 1, reagent agent is carried out the drug effect test of field zone preventing and treating garlic rust, test of pesticide effectiveness result is as table 6:
Table 6 medicament of the present invention is to the preventive effect of garlic rust
As can be seen from Table 6, product of the present invention has good control efficiency to garlic rust, can reach more than 75%, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function in control garlic rust.
Test example 7 prevents and treats the field control effectiveness test of capsicum epidemic disease
Small plot experiment is designed with reference to standard GB/T/T 17980.32-2000 " field control effectiveness test criterion (one) bactericidal agent for preventing and treating capsicum epidemic disease ".Reagent agent is watered 30kg by every mu and carries out even spraying, and establishes clear water blank, record diseased plant number.
According to survey data, calculate diseased plant rate and the control efficiency of each process.
Diseased plant rate is pressed formula (1) and is calculated, and result of calculation retains 2 significant digits:
Control efficiency is pressed formula (2) and is calculated, and result of calculation retains 2 significant digits:
In formula: CK: blank group diseased plant rate; PT: chemicals treatment group diseased plant rate.
Within after medicine 15 days, investigate, record diseased plant number, process the data obtained, add up the preventive effect of each reagent agent and concentration, result of the test is as table 7:
Table 7 medicament of the present invention is to the preventive effect of capsicum epidemic disease
As can be seen from Table 7, product of the present invention has good control efficiency to capsicum epidemic disease, can reach more than 70%, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function in control capsicum epidemic disease.
Test example 8 prevents and treats the field control effectiveness test of cucumber fusarium axysporum
By the method for test example 7, reagent agent is carried out the drug effect test of field zone preventing and treating cucumber fusarium axysporum, test of pesticide effectiveness result is as table 8:
Table 8 medicament of the present invention is to the preventive effect of cucumber fusarium axysporum
As can be seen from Table 8, product of the present invention has good control efficiency to cucumber fusarium axysporum, can more than 70% be reached, far away higher than brassin lactones single dose and eugenol single dose, visible, brassin lactones and eugenol built agent have good synergistic function in control cucumber fusarium axysporum.
Claims (10)
1. brassin lactones and eugenol built agent, is characterized in that, its active component is made up of the component of following weight portion: brassin lactones 0.001 ~ 0.2 part, eugenol 0.5 ~ 100 part.
2. brassin lactones according to claim 1 and eugenol built agent, is characterized in that, its active component is made up of the component of following weight portion: brassin lactones 0.01 ~ 0.1 part, eugenol 1 ~ 50 part.
3. brassin lactones according to claim 2 and eugenol built agent, is characterized in that, its active component is made up of the component of following weight portion: brassin lactones 0.03 ~ 0.08 part, eugenol 5 ~ 20 parts.
4. the brassin lactones according to any one of claims 1 to 3 and eugenol built agent, it is characterized in that: also contain auxiliary agent in described brassin lactones and eugenol built agent, described auxiliary agent is at least one in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent, wetting agent.
5. brassin lactones according to claim 4 and eugenol built agent, is characterized in that: described brassin lactones and eugenol built agent are missible oil, suspending agent, water dispersible granules, aqueous emulsion or microemulsion.
6. brassin lactones according to claim 4 and eugenol built agent, is characterized in that: in described brassin lactones and eugenol built agent, the mass fraction of active component is 0.1 ~ 20%.
7. the brassin lactones described in any one of claim 1 ~ 6 and the application of eugenol built agent in controlling plant diseases.
8. brassin lactones according to claim 7 and the application of eugenol built agent in controlling plant diseases, is characterized in that: described plant disease is powdery mildew, gray mold, downy mildew, virus disease, leaf mold, anthracnose, rust, wilt or epidemic disease.
9. eugenol according to claim 7 and the application of the composite lactone agent of brassin in controlling plant diseases, is characterized in that: concentration during use, described brassin lactones and eugenol built agent being diluted to active component is 1 ~ 20ppm.
10. eugenol according to claim 9 and the application of the composite lactone agent of brassin in controlling plant diseases, is characterized in that: concentration during use, described brassin lactones and eugenol built agent being diluted to active component is 5 ~ 15ppm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980777A (en) * | 2017-12-07 | 2018-05-04 | 广西南宁乐蕊生物科技有限责任公司 | A kind of bactericidal composition containing bromothalonil and eugenol |
| CN114503842A (en) * | 2022-02-28 | 2022-05-17 | 贵阳学院 | Blueberry anthracnose control method |
| CN114916549A (en) * | 2021-07-30 | 2022-08-19 | 山东仕邦农化有限公司 | Plant growth regulating composition, preparation and application thereof |
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| CN101940206A (en) * | 2010-09-30 | 2011-01-12 | 江苏天容集团股份有限公司 | Application of eugenol in preventing and controlling plant diseases and bactericide |
| CN102037966A (en) * | 2010-12-31 | 2011-05-04 | 山东亿嘉农化有限公司 | Eugenol biological pesticide and preparation method thereof |
| CN103843828A (en) * | 2012-12-04 | 2014-06-11 | 青岛艾华隆生物科技有限公司 | Novel environment-friendly pesticide |
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Patent Citations (4)
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| CN101584316A (en) * | 2009-05-27 | 2009-11-25 | 江苏省农业科学院 | Soluble eugenol solvent, preparation method and application thereof |
| CN101940206A (en) * | 2010-09-30 | 2011-01-12 | 江苏天容集团股份有限公司 | Application of eugenol in preventing and controlling plant diseases and bactericide |
| CN102037966A (en) * | 2010-12-31 | 2011-05-04 | 山东亿嘉农化有限公司 | Eugenol biological pesticide and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980777A (en) * | 2017-12-07 | 2018-05-04 | 广西南宁乐蕊生物科技有限责任公司 | A kind of bactericidal composition containing bromothalonil and eugenol |
| CN114916549A (en) * | 2021-07-30 | 2022-08-19 | 山东仕邦农化有限公司 | Plant growth regulating composition, preparation and application thereof |
| CN114916549B (en) * | 2021-07-30 | 2024-04-19 | 山东仕邦农化有限公司 | Plant growth regulating composition, preparation and application thereof |
| CN114503842A (en) * | 2022-02-28 | 2022-05-17 | 贵阳学院 | Blueberry anthracnose control method |
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Application publication date: 20150325 |