CN114794129B - Pesticide composition for preventing and treating anthracnose of macadimia nut - Google Patents
Pesticide composition for preventing and treating anthracnose of macadimia nut Download PDFInfo
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- CN114794129B CN114794129B CN202210339858.5A CN202210339858A CN114794129B CN 114794129 B CN114794129 B CN 114794129B CN 202210339858 A CN202210339858 A CN 202210339858A CN 114794129 B CN114794129 B CN 114794129B
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- 239000000575 pesticide Substances 0.000 title claims abstract description 22
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- DHVLDKHFGIVEIP-UHFFFAOYSA-N 2-bromo-2-(bromomethyl)pentanedinitrile Chemical compound BrCC(Br)(C#N)CCC#N DHVLDKHFGIVEIP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 150000002596 lactones Chemical class 0.000 claims description 42
- 241001092371 Bergenia Species 0.000 claims description 7
- YWJXCIXBAKGUKZ-HJJNZUOJSA-N Bergenin Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@H]2C3=C(O)C(OC)=C(O)C=C3C(=O)O[C@@H]21 YWJXCIXBAKGUKZ-HJJNZUOJSA-N 0.000 abstract description 20
- XULPLJSODQQHPH-UHFFFAOYSA-N Bergenin Natural products OCC1OC2C(OC(=O)c3cc(O)c(CO)c(O)c23)C(O)C1O XULPLJSODQQHPH-UHFFFAOYSA-N 0.000 abstract description 20
- 239000003814 drug Substances 0.000 abstract description 20
- 229940079593 drug Drugs 0.000 abstract description 10
- 206010059866 Drug resistance Diseases 0.000 abstract description 8
- 238000013329 compounding Methods 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 240000004972 Bergenia crassifolia Species 0.000 description 37
- 235000014785 Bergenia crassifolia Nutrition 0.000 description 37
- 239000005869 Pyraclostrobin Substances 0.000 description 17
- HZRSNVGNWUDEFX-UHFFFAOYSA-N pyraclostrobin Chemical compound COC(=O)N(OC)C1=CC=CC=C1COC1=NN(C=2C=CC(Cl)=CC=2)C=C1 HZRSNVGNWUDEFX-UHFFFAOYSA-N 0.000 description 16
- 239000005782 Fluopicolide Substances 0.000 description 14
- GBOYJIHYACSLGN-UHFFFAOYSA-N fluopicolide Chemical compound ClC1=CC(C(F)(F)F)=CN=C1CNC(=O)C1=C(Cl)C=CC=C1Cl GBOYJIHYACSLGN-UHFFFAOYSA-N 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 9
- 244000052769 pathogen Species 0.000 description 8
- 230000001717 pathogenic effect Effects 0.000 description 8
- 201000010099 disease Diseases 0.000 description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 7
- 230000001988 toxicity Effects 0.000 description 6
- 231100000419 toxicity Toxicity 0.000 description 6
- 239000005783 Fluopyram Substances 0.000 description 5
- 239000013043 chemical agent Substances 0.000 description 5
- KVDJTXBXMWJJEF-UHFFFAOYSA-N fluopyram Chemical compound ClC1=CC(C(F)(F)F)=CN=C1CCNC(=O)C1=CC=CC=C1C(F)(F)F KVDJTXBXMWJJEF-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002195 synergetic effect Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000004071 biological effect Effects 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009036 growth inhibition Effects 0.000 description 3
- 241000207199 Citrus Species 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 2
- 235000020971 citrus fruits Nutrition 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- IQZZFVDIZRWADY-UHFFFAOYSA-N isocoumarin Chemical compound C1=CC=C2C(=O)OC=CC2=C1 IQZZFVDIZRWADY-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000447 pesticide residue Substances 0.000 description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 2
- 229920000053 polysorbate 80 Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000208467 Macadamia Species 0.000 description 1
- 235000018330 Macadamia integrifolia Nutrition 0.000 description 1
- 240000000912 Macadamia tetraphylla Species 0.000 description 1
- 235000003800 Macadamia tetraphylla Nutrition 0.000 description 1
- 241000918585 Pythium aphanidermatum Species 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MKFJRRMYWGERCT-UHFFFAOYSA-N bihapten 1 dimethyl ether Chemical compound COC1=CC=CC(CCCCCCCCCC2OC(=O)C(=C)C2)=C1OC MKFJRRMYWGERCT-UHFFFAOYSA-N 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 125000000332 coumarinyl group Chemical class O1C(=O)C(=CC2=CC=CC=C12)* 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 235000011869 dried fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 244000053095 fungal pathogen Species 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- -1 lactone compound Chemical class 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
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000036269 ulceration Effects 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
Classifications
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticides, and particularly relates to a pesticide composition for preventing and treating anthracnose of macadimia nuts. A pesticide composition for preventing and treating macadimia nut anthracnose comprises bergenin and bromothalonil as effective components. The pesticide composition for preventing and treating the anthracnose of the macadimia nut is prepared by compounding two effective components, can delay the generation of drug resistance of the anthracnose of the macadimia nut to the compound drug, reduces the risk caused by independently applying bergenin, and can play a certain role in protecting the bergenin.
Description
Technical Field
The invention belongs to the technical field of pesticides, and particularly relates to a pesticide composition for preventing and treating anthracnose of macadimia nuts.
Background
Macadamia nut, namely hawaii nut, is a nut plant native to the macadamia, has high economic value, good nutritional value and medicinal value, and is a reputation of 'king dried fruits'. The macadimia nut has more diseases and insect pests, more than 30 diseases and more than 300 insect pests, and the diseases are damping off, root rot, flower blight, anthracnose, ulceration and gray mold. Wherein anthracnose mainly damages leaves, tender tips and fruits of macadimia nuts, and is characterized in that the tender tips of the macadimia nuts are dead, the tender leaves of the macadimia nuts are yellow, black plaques appear on the surfaces of the tender tips, and young fruits and shells of the macadimia nuts are black brown and gradually develop into black conidium devices, so that the yield and quality of the macadimia nuts are affected. The chemical agent is a common means for preventing and controlling anthracnose, but the anthracnose can generate drug resistance after long-term application of a single chemical agent, and at present, the anthracnose generates different degrees of drug resistance to the existing chemical agent, so that fruit farmers usually increase the application dosage of the chemical agent to improve the prevention and control effect, the generation of drug resistance is accelerated, and meanwhile, the problem of pesticide residues is also caused.
Wang Xuelian, li MinminAnd the like, the inhibition effect of 18 coumarin compounds on citrus anthracnose is measured by adopting a growth rate method, and the fact that the isocoumarin compound bergenin has the strongest inhibition activity on citrus anthracnose is found, and EC 50 Is 7.2766 mug/mL. Therefore, the bergenia lactone can be utilized to effectively prevent anthracnose. As with the chemical agents, if the active ingredient is singly applied for a long time, the diseases are easy to generate drug resistance.
Compounding different pesticide effective components is an effective shortcut for developing new pesticide varieties. Three types of actions can be shown after the different pesticide active ingredients are compounded: addition, synergy and antagonism. The inventor discovers that when bergenin is binary compounded with pyraclostrobin, fluopyram or bromothalonil through a large number of experiments, the bergenin can show remarkable synergistic effect within a certain mass ratio range, and has important significance for protecting bergenin medicaments and delaying the drug resistance of diseases.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a pesticide composition for preventing and treating anthracnose of macadimia nut, and aims to overcome the defect that diseases are easy to generate drug resistance due to single application of bergenin for a long time.
In order to achieve the aim, the invention provides a pesticide composition for preventing and treating anthracnose of macadimia nut, and the effective components of the pesticide composition are compounded by bergenin and bromothalonil.
Preferably, the mass ratio of bergenin to bromothalonil is 1-40:40-1.
Compared with the prior art, the invention has the following beneficial effects:
when the pesticide composition for preventing and controlling the anthracnose of the macadimia nut is subjected to binary compounding, the synergistic effect is obvious, and compared with a single agent, the pesticide composition for preventing and controlling the anthracnose of the macadimia nut has the advantages that the application dosage and times of pesticides can be reduced, the prevention and control cost is reduced, and the pesticide residue of the macadimia nut is reduced.
The pesticide composition for preventing and treating the anthracnose of the macadimia nut is prepared by compounding two effective components, can delay the generation of drug resistance of the anthracnose of the macadimia nut to the compound drug, reduces the risk caused by independently applying bergenin, and can play a certain role in protecting the bergenin.
Detailed Description
The following detailed description of specific embodiments of the invention is, but it should be understood that the invention is not limited to specific embodiments.
Examples: indoor biological activity test of bergenia lactone compound
Test agent: 98.8% bergenin crude drug, 98% pyraclostrobin crude drug, 96% fluopyram crude drug and 95% bromothalonil crude drug
Test pathogen: the pathogen of macadimia nut anthracnose is collected from the disease incidence part of the macadimia nut anthracnose, and is separated and purified in a laboratory
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 original medicine with ethanol, diluting with 0.1% Tween-80 to prepare single-dose mother solution, setting multiple groups of proportions, and setting multiple gradient mass concentrations of each single dose and each group of proportions according to an equal ratio method for standby;
2. under aseptic condition, the pre-melted PDA culture medium is quantitatively added into an aseptic conical flask, the liquid medicine is quantitatively sucked from low concentration to high concentration sequentially, and the liquid medicine is respectively added into the conical flask and fully shaken. Then, the mixture was poured into 4 dishes of 9cm diameter in equal amounts to prepare medicated plates, and a blank treatment containing only ethanol and 0.1% Tween-80 was applied, each treatment being repeated 3 times.
3. Under the aseptic condition, a sterilizing puncher with the diameter of 5mm is used for punching holes on the edges of the pathogen colonies of the macadimia nut anthracnose to prepare a bacterial cake with the diameter of 5 mm; the bacterial cake is inoculated in the center of the drug-containing flat plate by an inoculator, the mycelium surface faces upwards, and the bacterial cake is placed in an incubator at 25 ℃ for culture after the dish cover is covered.
4. When the diameter of the blank control colony reaches more than 2/3 of the diameter of the culture dish, the diameter of the colony is measured by a caliper, the diameter of each colony is measured vertically by a crisscross method, the average value of the colony is taken, the growth inhibition rate of hyphae of each treatment is calculated, regression analysis is carried out on the numerical value of the concentration of the medicament and the growth inhibition rate value of the hyphae by DPS software, the EC50 of each treatment medicament is calculated, and the co-toxicity coefficient (CTC value) of the mixed medicament is calculated according to a Sun Yunpei method.
Hypha growth inhibition (%) = [ (control colony diameter-5) - (agent-treated colony diameter-5) ]/[ (control colony diameter-5) ]100;
measured virulence index (ATI) = (standard agent EC 50/test agent 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 indoor biological Activity determination of bergenin and pyraclostrobin Complex against Australian nut anthracnose pathogen
| Medicament name and ratio | EC50（mg/L） | ATI | TTI | CTC |
| Bergenia lactone | 9.84 | 100 | -- | -- |
| Pyraclostrobin | 4.43 | 222.12 | -- | -- |
| Bergenia crassifolia lactone 1: pyraclostrobin 20 | 3.43 | 286.88 | 216.31 | 132.63 |
| Bergenia crassifolia lactone 1: pyraclostrobin 16 | 3.17 | 310.41 | 214.94 | 144.42 |
| Bergenia crassifolia lactone 1: pyraclostrobin 12 | 2.94 | 334.69 | 212.73 | 157.33 |
| Bergenia crassifolia lactone 1: pyraclostrobin 8 | 2.27 | 433.48 | 205.88 | 207.85 |
| Bergenia crassifolia lactone 1: pyraclostrobin 4 | 1.93 | 509.84 | 197.70 | 257.89 |
| Bergenia crassifolia lactone 1: pyraclostrobin 1 | 1.66 | 592.77 | 161.06 | 368.04 |
| Bergenia crassifolia lactone 2: pyraclostrobin 1 | 4.83 | 203.73 | 140.71 | 144.79 |
| Bergenia crassifolia lactone 4: pyraclostrobin 1 | 5.92 | 166.22 | 124.42 | 133.59 |
| Bergenia crassifolia lactone 6: pyraclostrobin 1 | 3.17 | 310.41 | 117.45 | 264.30 |
| Bergenia crassifolia lactone 8: pyraclostrobin 1 | 2.88 | 341.67 | 113.57 | 300.84 |
| Bergenia crassifolia lactone 10: pyraclostrobin 1 | 4.17 | 235.97 | 111.10 | 212.39 |
From table 1, it can be seen that the mass ratio of bergenin to pyraclostrobin is 1-10: the co-toxicity coefficient of the total toxicity to the pathogen of the macadimia nut anthracnose is more than 120 in the range of 20-1, and the synergy is obvious.
TABLE 2 indoor biological Activity determination of bergenin and Fluopyram Complex against Australian nut anthracnose pathogen
| Medicament name and ratio | EC50（mg/L） | ATI | TTI | CTC |
| Bergenia lactone | 9.84 | 100.00 | -- | -- |
| Fluopicolide | 3.29 | 299.09 | -- | -- |
| Bergenia crassifolia lactone 1: fluopicolide 15 | 1.93 | 509.84 | 286.65 | 177.87 |
| Bergenia crassifolia lactone 1: fluopicolide 12 | 1.85 | 531.89 | 283.77 | 187.44 |
| Bergenia crassifolia lactone 1: fluopicolide 9 | 1.66 | 592.77 | 279.18 | 212.33 |
| Bergenia crassifolia lactone 1: fluopicolide 7 | 1.53 | 643.14 | 274.20 | 234.55 |
| Bergenia crassifolia lactone 1: fluopicolide 5 | 1.35 | 728.89 | 265.91 | 274.11 |
| Bergenia crassifolia lactone 1: fluopicolide 3 | 1.19 | 826.89 | 249.32 | 331.66 |
| Bergenia crassifolia lactone 1: fluopicolide 1 | 2.83 | 347.70 | 199.54 | 174.25 |
| Bergenia crassifolia lactone 5: fluopicolide 1 | 3.91 | 251.66 | 133.18 | 188.96 |
| Bergenia crassifolia lactone 10: fluopicolide 1 | 4.22 | 233.18 | 118.10 | 197.44 |
| Bergenia crassifolia lactone 15: fluopicolide 1 | 5.51 | 178.58 | 112.44 | 158.82 |
| Bergenia crassifolia lactone 20: fluopicolide 1 | 4.88 | 201.64 | 109.48 | 184.18 |
| Bergenia crassifolia lactone 25: fluopicolide 1 | 3.46 | 284.39 | 107.66 | 264.17 |
| Bergenia crassifolia lactone 30: fluopicolide 1 | 4.42 | 222.62 | 106.42 | 209.19 |
As can be seen from table 2, the bergenin and fluopyram of the invention are compounded in a mass ratio of 1-30: the co-toxicity coefficient of the macadimia nut anthracnose pathogenic bacteria is more than 120 in the range of 15-1, and the synergy is obvious.
TABLE 3 indoor biological Activity determination of bergenin and bromothalonil Complex against Australian nut anthracnose pathogen
| Medicament name and ratio | EC50（mg/L） | ATI | TTI | CTC |
| Bergenia lactone | 9.84 | 100.00 | -- | -- |
| Bromothalonil | 4.86 | 202.47 | -- | -- |
| Bergenia crassifolia lactone 1: bromothalonil 40 | 3.47 | 283.57 | 199.97 | 141.81 |
| Bergenia crassifolia lactone 1: bromothalonil 30 | 2.84 | 346.48 | 199.16 | 173.97 |
| Bergenia crassifolia lactone 1: bromothalonil 20 | 2.13 | 461.97 | 197.59 | 233.80 |
| Bergenia crassifolia lactone 1: bromothalonil 15 | 1.68 | 585.71 | 196.06 | 298.74 |
| Bergenia crassifolia lactone 1: bromothalonil 10 | 2.46 | 400.00 | 193.15 | 207.09 |
| Bergenia crassifolia lactone 1: bromothalonil 5 | 2.21 | 445.25 | 185.39 | 240.17 |
| Bergenia crassifolia lactone 1: bromothalonil 1 | 1.20 | 820.00 | 151.23 | 542.20 |
| Bergenia crassifolia lactone 5: bromothalonil 1 | 2.92 | 336.99 | 117.08 | 287.83 |
| Bergenia crassifolia lactone 10: bromothalonil 1 | 3.69 | 266.67 | 109.32 | 243.94 |
| Bergenia crassifolia lactone 15: bromothalonil 1 | 4.39 | 224.15 | 106.40 | 210.65 |
| Bergenia crassifolia lactone 20: bromothalonil 1 | 6.05 | 162.64 | 104.88 | 155.08 |
| Bergenia crassifolia lactone 30: bromothalonil 1 | 7.12 | 138.20 | 103.31 | 133.78 |
| Bergenia crassifolia lactone 40: bromothalonil 1 | 7.47 | 131.73 | 102.50 | 128.52 |
As can be seen from Table 3, the bergenin and bromothalonil are compounded in a mass ratio of 1-40: the co-toxicity coefficient of the drug to the pathogen of the macadimia nut anthracnose is more than 120 in the range of 40-1, and the synergistic effect is obvious.
From tables 1-3, it can be seen that bergenin, pyraclostrobin, fluopyram or bromothalonil in the invention shows synergistic effect on macadimia nut anthracnose within a certain mass ratio range after being compounded.
The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (1)
1. The pesticide composition for preventing and treating the anthracnose of the macadimia nut is characterized in that the effective components of the pesticide composition are compounded by bergenia lactone and bromothalonil, and the mass ratio of the bergenia lactone to the bromothalonil is 1-40:40-1.
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| CN202110684271.3A CN113396924B (en) | 2021-06-21 | 2021-06-21 | Bactericidal composition for preventing and treating macadamia nut anthracnose |
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| CN115058141B (en) * | 2022-07-06 | 2023-08-15 | 广西维一涂料制造有限公司 | Mildew preventive containing BCM |
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