CN117502452A - Synergistic bactericidal composition for preventing and treating jackfruit rot - Google Patents
Synergistic bactericidal composition for preventing and treating jackfruit rot Download PDFInfo
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- 244000025352 Artocarpus heterophyllus Species 0.000 title claims abstract description 30
- 235000008725 Artocarpus heterophyllus Nutrition 0.000 title claims abstract description 30
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 title claims abstract description 15
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 10
- 239000000260 (2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-ol Substances 0.000 claims abstract description 38
- 229940043259 farnesol Drugs 0.000 claims abstract description 38
- 229930002886 farnesol Natural products 0.000 claims abstract description 38
- CRDAMVZIKSXKFV-UHFFFAOYSA-N trans-Farnesol Natural products CC(C)=CCCC(C)=CCCC(C)=CCO CRDAMVZIKSXKFV-UHFFFAOYSA-N 0.000 claims abstract description 38
- CRDAMVZIKSXKFV-FBXUGWQNSA-N (2-cis,6-cis)-farnesol Chemical compound CC(C)=CCC\C(C)=C/CC\C(C)=C/CO CRDAMVZIKSXKFV-FBXUGWQNSA-N 0.000 claims abstract description 35
- 239000005737 Benzovindiflupyr Substances 0.000 claims abstract description 20
- CCCGEKHKTPTUHJ-UHFFFAOYSA-N N-[9-(dichloromethylene)-1,2,3,4-tetrahydro-1,4-methanonaphthalen-5-yl]-3-(difluoromethyl)-1-methylpyrazole-4-carboxamide Chemical compound FC(F)C1=NN(C)C=C1C(=O)NC1=CC=CC2=C1C1CCC2C1=C(Cl)Cl CCCGEKHKTPTUHJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000575 pesticide Substances 0.000 abstract description 16
- 239000004480 active ingredient Substances 0.000 abstract description 6
- 244000052616 bacterial pathogen Species 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 206010059866 Drug resistance Diseases 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 4
- 239000011885 synergistic combination Substances 0.000 abstract description 2
- 239000005757 Cyproconazole Substances 0.000 description 26
- UFNOUKDBUJZYDE-UHFFFAOYSA-N 2-(4-chlorophenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol Chemical compound C1=NC=NN1CC(O)(C=1C=CC(Cl)=CC=1)C(C)C1CC1 UFNOUKDBUJZYDE-UHFFFAOYSA-N 0.000 description 24
- 239000003814 drug Substances 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 9
- 235000013399 edible fruits Nutrition 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 244000052769 pathogen Species 0.000 description 6
- 230000001717 pathogenic effect Effects 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 231100000419 toxicity Toxicity 0.000 description 5
- 230000001988 toxicity Effects 0.000 description 5
- 244000299461 Theobroma cacao Species 0.000 description 4
- 235000009470 Theobroma cacao Nutrition 0.000 description 4
- 230000004071 biological effect Effects 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 241001071917 Lithospermum Species 0.000 description 3
- XQJQCBDIXRIYRP-UHFFFAOYSA-N N-{2-[1,1'-bi(cyclopropyl)-2-yl]phenyl}-3-(difluoromethyl)-1-methyl-1pyrazole-4-carboxamide Chemical compound FC(F)C1=NN(C)C=C1C(=O)NC1=CC=CC=C1C1C(C2CC2)C1 XQJQCBDIXRIYRP-UHFFFAOYSA-N 0.000 description 3
- 239000005834 Sedaxane Substances 0.000 description 3
- 230000009036 growth inhibition Effects 0.000 description 3
- 230000037308 hair color Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001018 virulence Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 241000190144 Lasiodiplodia theobromae Species 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- GOFJDXZZHFNFLV-UHFFFAOYSA-N 5-fluoro-1,3-dimethyl-N-[2-(4-methylpentan-2-yl)phenyl]pyrazole-4-carboxamide Chemical compound CC(C)CC(C)C1=CC=CC=C1NC(=O)C1=C(F)N(C)N=C1C GOFJDXZZHFNFLV-UHFFFAOYSA-N 0.000 description 1
- 241001443610 Aschersonia Species 0.000 description 1
- 241001529387 Colletotrichum gloeosporioides Species 0.000 description 1
- 241000122173 Cylindrocladium Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 239000005815 Penflufen Substances 0.000 description 1
- 241000209046 Pennisetum Species 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 244000037666 field crops Species 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 244000053095 fungal pathogen Species 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- A01N49/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds containing the group, wherein m+n>=1, both X together may also mean —Y— or a direct carbon-to-carbon bond, and the carbon atoms marked with an asterisk are not part of any ring system other than that which may be formed by the atoms X, the carbon atoms in square brackets being part of any acyclic or cyclic structure, or the group, wherein A means a carbon atom or Y, n>=0, and not more than one of these carbon atoms being a member of the same ring system, e.g. juvenile insect hormones or mimics thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P3/00—Fungicides
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Insects & Arthropods (AREA)
- Microbiology (AREA)
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Abstract
The invention relates to the technical field of pesticides, in particular to a synergistic bactericidal composition for preventing and treating jackfruit rot. The synergistic bactericidal composition for preventing and treating jackfruit rot is prepared by compounding active ingredients of farnesol and benzovindiflupyr; the mass ratio of the farnesol to the benzovindiflupyr is 1-10:25-1. On the basis of the existing pesticides, the invention combines the effective components of different pesticides, screens out synergistic combinations, can improve the control effect of jackfruit rot, is beneficial to reducing the pesticide application dosage and delaying the generation of pathogenic bacteria drug resistance.
Description
Technical Field
The invention relates to the technical field of pesticides, in particular to a synergistic bactericidal composition for preventing and treating jackfruit rot.
Background
Both aschersonia (Cylindrocladium sp.) and curvatus (l. Thenobromae) and the like can cause jackfruit rot. Among them, the cocoa hair color two spore (l. Theobromae) can be parasitic to more than 500 plants in tropical and subtropical areas, causing various diseases of field crops, vegetables, fruits and woods, mainly including various types of shoot blight, branch blight, root rot, fruit rot, leaf spot, ulcer and gummosis.
The jackfruit cocoa hairy color two-spore fruit rot mainly damages jackfruit male flowers and fruits. When the male flowers are infected, the initially infected parts turn brown and spread to four weeks rapidly, and the whole male flowers are infected by pathogenic bacteria rapidly; the male flowers become black and fall off in the later stage of the disease. Any part of the fruit can be diseased, the disease spots are irregular, the initial infected pericarp turns brown, and the surface is accompanied with white hyphae; the initial part of the jackfruit at the later stage of the disease turns black brown, which causes the rot of the fruit and affects the yield and quality of jackfruit.
At present, chemical agents are one of the more remarkable means for preventing and treating jackfruit rot, but the resistance of pathogenic bacteria of the jackfruit rot to various agents used at present is different degrees due to the unscientific medication modes such as long-term singleness, continuity, repeatability and the like. The unscientific medication mode shortens the generation time of resistance of various medicaments year by year, and greatly increases the prevention and treatment cost, the environmental cost and the medicament research and development cost. Based on the current situation, improving the prevention and treatment effect of the medicine based on the prior art is an economical and effective means for solving the problems.
The compounding of the active ingredients of different pesticides is an effective and rapid way of developing and developing new pesticides and preventing and treating agricultural resistant bacteria at present. After the active ingredients of different pesticides are compounded, three action types are generally shown: additive action, synergistic action and antagonistic action. The compound formulation with good synergy can obviously improve the actual control effect and reduce the use amount of pesticides, thereby greatly delaying the generation speed of pathogen resistance, and being an important means for comprehensively controlling diseases.
The inventor discovers that the compound of the farnesol and the sedaxane, the benzovindiflupyr or the cyproconazole in a certain mass ratio range shows a synergistic effect on jackfruit rot, and no report of related compound is found at present.
Disclosure of Invention
The invention aims to provide a synergistic bactericidal composition for preventing and treating jackfruit rot, which is prepared by compounding different pesticide active ingredients on the basis of the existing pesticide, and screening out synergistic combinations, so that the preventing and treating effect of jackfruit rot can be improved, the pesticide application dosage can be reduced, and the generation of pathogenic bacteria drug resistance can be delayed.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the synergistic bactericidal composition for preventing and treating jackfruit rot is prepared by compounding farnesol, cyproconazole, benzovindiflupyr or cyproconazole as effective components.
Preferably, the mass ratio of the farnesol to the cyproconazole is 1-40:2-1.
Preferably, the mass ratio of the farnesol to the benzovindiflupyr is 1-10:25-1.
Preferably, the mass ratio of the farnesol to the cyproconazole is 1-9:5-1.
The invention also aims to provide the application of the bactericidal composition in preventing and treating jackfruit rot.
Compared with the prior art, the invention has the following beneficial effects:
the composition has good synergistic effect after the active ingredient of the famous alcohol and the cyproconazole, the benzovindiflupyr or the cyproconazole are compounded, can improve the control effect of jackfruit rot, is beneficial to reducing the application dosage of pesticides and delaying the generation of drug resistance of pathogenic bacteria.
Detailed Description
The invention will be better understood from the following examples. However, it will be readily appreciated by those skilled in the art that the description of the embodiments is provided for illustration only and should not limit the invention as described in detail in the claims.
Examples: indoor biological activity test of compound farnesol on jackfruit rot
Test object: and selecting diseased fruits in a jackfruit plantation, purifying the diseased fruits by a laboratory separation method to obtain the cocoa hair color bisporus (Lasiodiplodia theobromae), and storing the cocoa hair color bisporus on a PDA (personal digital assistant) culture medium.
Test agent: 98% of farnesol technical (Shanghai Yuan leaf Biotechnology Co., ltd.), 96% of penflufen technical (Lithospermum candidum) 96% of benzovindiflupyr technical (Lithospermum candidum) and 95% of cyproconazole technical (Lithospermum candidum)
The test method comprises the following steps: ( Reference to section 2 of the pesticide "NY/T1156.2-2006 indoor bioassay test guidelines for pesticides: test Petri dish method for inhibiting growth of pathogenic fungi hyphae )
1. Dissolving the raw materials with dimethyl sulfoxide, diluting with 0.1% Tween-80 water solution to obtain single-dose mother solution, and setting multiple groups of proportions, wherein each single dose and each group of proportion are provided with 5 gradient mass concentrations.
2. 9mL of the PDA culture medium which is melted in advance is added into a sterile conical flask, 1mL of the liquid medicine is quantitatively sucked from low concentration and high concentration in sequence, and the liquid medicine is respectively added into the conical flask and fully and uniformly shaken. Then pouring the same amount into 3 culture dishes with the diameter of 9cm to prepare a medicine-containing flat plate with corresponding concentration; treatments without agent were included as blank, 3 replicates per treatment.
3. And (3) taking bacterial cakes with the diameter of 5mm from the bacterial colonies of the colletotrichum gloeosporioides after propagation by using a puncher, inoculating the centers of a medicine-containing flat plate and a blank control flat plate, and culturing in a constant-temperature incubator at 28 ℃.
After 4.24 hours, colony diameters were measured by the crisscross method, and the hypha growth inhibition rates of different treatments were calculated. Taking the medicine logarithmic value as an independent variable and the hypha growth inhibition rate value as a dependent variable, analyzing by using DPS software to obtain a virulence regression equation and the virulence EC of the medicine to target bacteria 50 Values and co-toxicity coefficients (CTCs) were calculated according to the grand cloud Pei method.
D＝D 1 -D 2 Wherein D is colony growth diameter; d (D) 1 Is colony diameter; d (D) 2 The diameter of the fungus cake;
I＝[(D 0 -D t )÷D0]x 100, wherein I is the hypha growth inhibition (%); d (D) 0 Growing the diameter of a blank control colony; d (D) t Colony growth diameter for agent treatment;
measured virulence index (ATI) = (standard agent EC 50 Reagent EC 50 )×100；
Theoretical Toxicity Index (TTI) =a agent toxicity index x percentage of agent toxicity index in mixture + B agent toxicity index x percentage of agent toxicity in mixture;
co-toxicity coefficient (CTC) = [ actual drug susceptibility index (ATI)/(theoretical drug susceptibility index (TTI) ] x 100.
Dividing the standard according to the joint action: the co-toxicity coefficient (CTC) is more than or equal to 120, and the synergistic effect is shown; the cotoxicity coefficient (CTC) is less than or equal to 80 and shows antagonism; 80< co-toxicity coefficient (CTC) <120 shows additive effect. The experimental results are shown in tables 1-3.
TABLE 1 determination of indoor biological Activity of famous alcohol and Fluozolyl Cycloxafen in combination with jackfruit rot pathogen
| Medicament name and ratio | EC50(mg/L) | ATI | TTI | CTC |
| Farnesol | 18.3491 | 100.0000 | -- | -- |
| Cyproconazole | 1.7283 | 1061.6849 | -- | -- |
| Farnesol 1: cyproconazole 2 | 1.8704 | 981.0254 | 741.1233 | 132.3701 |
| Farnesol 1: cyproconazole 1 | 2.5511 | 719.2623 | 580.8424 | 123.8309 |
| Farnesol 3: cyproconazole 1 | 3.7088 | 494.7449 | 340.4212 | 145.3332 |
| Farnesol 7: cyproconazole 1 | 6.0529 | 303.1456 | 220.2106 | 137.6617 |
| Farnesol 15: cyproconazole 1 | 4.4881 | 408.8389 | 160.1053 | 255.3563 |
| Farnesol 30: cyproconazole 1 | 9.8974 | 185.3931 | 131.0221 | 141.4976 |
| Farnesol 40: cyproconazole 1 | 11.5630 | 158.6881 | 123.4557 | 128.5384 |
As can be seen from Table 1, the mass ratio is 1-40:2-1, the co-toxicity coefficient of the compound of the farnesol and the sedaxane to the jackfruit rot pathogen is 123.8309-255.3563, which is greater than 120, and the synergistic effect is shown.
Table 2 determination of indoor biological Activity of farnesol and Benzenofloxacin Complex against jackfruit rot pathogen
| Medicament name and ratio | EC50(mg/L) | ATI | TTI | CTC |
| Farnesol | 18.3491 | 100.0000 | -- | -- |
| Benzovindiflupyr | 10.5042 | 174.6835 | -- | -- |
| Farnesol 1: benzovindiflupyr 25 | 8.8170 | 208.1105 | 171.8110 | 121.1275 |
| Farnesol 1: benzovindiflupyr 15 | 5.0460 | 363.6365 | 170.0157 | 213.8840 |
| Farnesol 1: benzovindiflupyr 7 | 7.1186 | 257.7628 | 165.3480 | 155.8910 |
| Farnesol 1: benzovindiflupyr 3 | 2.8687 | 639.6312 | 156.0126 | 409.9869 |
| Farnesol 1: benzovindiflupyr 1 | 4.0190 | 456.5588 | 137.3417 | 332.4254 |
| Farnesol 3: benzovindiflupyr 1 | 3.4194 | 536.6175 | 118.6709 | 452.1898 |
| Farnesol 7: benzovindiflupyr 1 | 1.4122 | 1299.3273 | 109.3354 | 1188.3863 |
| Farnesol 10: benzovindiflupyr 1 | 10.0151 | 183.2143 | 106.7894 | 171.5660 |
As can be seen from table 2, the mass ratio is 1-10: within 25-1, the co-toxicity coefficients of the compound of the farnesol and the benzovindiflupyr to the jackfruit rot pathogen are between 121.1275 and 1188.3863 and are all more than 120, and the synergistic effect is shown; in particular, the mass ratio is 7: in the 1, the co-toxicity coefficient reaches 1188.3863, and the synergistic effect is most remarkable.
TABLE 3 determination of indoor biological Activity of Fanniol and cyproconazole in combination with jackfruit rot pathogen
| Medicament name and ratio | EC50(mg/L) | ATI | TTI | CTC |
| Farnesol | 18.3491 | 100.0000 | -- | -- |
| Cyproconazole | 3.1429 | 583.8270 | -- | -- |
| Farnesol 1: cyproconazole 5 | 2.6527 | 691.7141 | 503.1892 | 137.4660 |
| Farnesol 1: cyproconazole 3 | 3.1786 | 577.2699 | 462.8703 | 124.7153 |
| Farnesol 1: cyproconazole 1 | 4.0142 | 457.1048 | 341.9135 | 133.6902 |
| Farnesol 3: cyproconazole 1 | 5.0338 | 364.5179 | 220.9568 | 164.9725 |
| FaniAlcohol 5: cyproconazole 1 | 7.7554 | 236.5977 | 180.6378 | 130.9790 |
| Farnesol 9: cyproconazole 1 | 10.0853 | 181.9391 | 148.3827 | 122.6147 |
As can be seen from table 3, the mass ratio is 1-9:5-1, the co-toxicity coefficient of the compound of the farnesol and the cyproconazole on the jackfruit rot pathogen is 122.6147-164.9725, and the co-toxicity coefficient is more than 120, and the synergistic effect is shown.
In conclusion, the active ingredient of the composition disclosed by the invention has a good synergistic effect after being compounded with the pennisetum and the sedaxane, the benzovindiflupyr or the cyproconazole, can improve the control effect of jackfruit rot, is beneficial to reducing the application dosage of pesticides and delaying the generation of drug resistance of pathogenic bacteria.
The foregoing is merely illustrative of the preferred embodiments of this invention and modifications, obvious to those skilled in the art, may be made without departing from the principles of this invention and are within the scope of this invention.
Claims (2)
1. The synergistic bactericidal composition for preventing and treating jackfruit rot is characterized in that the effective components are compounded by farnesol and benzovindiflupyr; the mass ratio of the farnesol to the benzovindiflupyr is 1-10:25-1.
2. The use of the synergistic bactericidal composition of claim 1 for controlling jackfruit rot.
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| CN202211101474.6A CN115413671B (en) | 2022-09-09 | 2022-09-09 | Sterilization composition for preventing and treating jackfruit rot |
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| Publication number | Publication date |
|---|---|
| CN115413671A (en) | 2022-12-02 |
| CN115413671B (en) | 2023-12-22 |
| CN117502453A (en) | 2024-02-06 |
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