CN114946849A - Medicament for preventing and treating root rot of pachyrhizua angulatus stems - Google Patents
Medicament for preventing and treating root rot of pachyrhizua angulatus stems Download PDFInfo
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- CN114946849A CN114946849A CN202210584451.9A CN202210584451A CN114946849A CN 114946849 A CN114946849 A CN 114946849A CN 202210584451 A CN202210584451 A CN 202210584451A CN 114946849 A CN114946849 A CN 114946849A
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
- A01N37/04—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof polybasic
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/50—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton
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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
- A01N43/34—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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- 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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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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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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to the technical field of pesticides, and particularly relates to a medicament for preventing and treating pachyrhizua angulatus stem basal rot. The composition for preventing and treating the root rot of the pachyrhizus angulatus stems comprises the effective components of copper succinate ferrite and any one of alkene oxime amine, propionyl bacteria amine and fluopyram. When the copper succinate + glutarate + adipate and other active ingredients in the composition are compounded in a certain mass ratio range, the co-toxicity coefficients are all larger than 120, no cross resistance exists, a good synergistic effect is shown, and compared with a single agent, the composition can improve the control effect on the pathogenic bacteria of the stem rot of the pachyrhizua angulatus, reduce the pesticide application dose, further reduce the control cost, relieve the environmental pressure and reduce the pesticide residue.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a medicament for preventing and treating pachyrhizua angulatus stem basal rot.
Background
Radix Puerariae is a leguminous plant, and its root tuber can be eaten fresh, and can be processed into radix Puerariae powder, and has good nutrition and health promotion value. The root rot of the pueraria thomsonii is a disease commonly occurring in the production of the pueraria thomsonii, the root of the pueraria thomsonii is infected by pathogenic bacteria and then is decayed, water stain-shaped brown spots are presented, then the juice is gradually changed into black brown, the diseased part can flow out, then the leaves become yellow due to the blockage of conveying water, and plants are gradually withered. And after the disease is developed, the pachyrhizua angulatus root tuber is festered and stops growing due to lack of nutrition supply of the overground part, and serious consequences of no harvest can be caused in severe cases. In production, chemical agents are usually applied for prevention and treatment, but long-term use of a single chemical agent easily causes drug resistance of pathogenic bacteria, and the prevention and treatment effects of the existing chemical agents such as 50% fludioxonil, 50% compound carbendazim or copper sulfate lime sulfur mixture are gradually reduced, so that the prevention and treatment effects of the existing chemical agents are not ideal.
Copper succinate + glutarate, english name: copper, which is a mixture of copper succinate, copper glutarate and copper adipate, belongs to organic copper bactericides. The copper succinate + glutarate mainly makes proteins on the cell membrane of pathogenic bacteria solidify through exchange of copper ions with potassium ions, hydrogen ions and the like on the surface of the pathogenic bacteria membrane, meanwhile, part of copper ions permeate into the cells of the pathogenic bacteria to be combined with certain acids, so that the activity of enzymes is influenced, the bactericidal effect is achieved, and the effects on cucumber bacterial angular leaf spot, citrus canker and the like are good. However, copper succinate + glutarate + adipate is mainly used for preventing and treating plant bacterial diseases and has poor effect of preventing and treating fungal diseases.
The chemical medicament components with different components are compounded, and the formula with the synergistic effect is screened, so that the prevention and treatment effect on plant diseases and insect pests can be improved, and the insecticidal bactericidal spectrum can be expanded compared with a single agent. The application number CN201810944473.5 discloses a sterilization composition containing fluxapyroxad hydroxylamine and copper succinate + glutarate, the sterilization composition can be used for preventing and treating fungal diseases such as gibberellic disease, powdery mildew and the like, and the sterilization spectrum of the copper succinate + adipate is expanded; the application number CN201410788175.3 discloses a compound composition containing methylsulfonylconazole and copper succinate + glutarate and a preparation thereof, the compound composition can effectively prevent and treat bacterial diseases such as citrus canker and cucumber bacterial angular leaf spot, and simultaneously can prevent and treat fungal diseases such as grape downy mildew, and the bactericidal spectrum of the copper succinate + adipate is also expanded.
The inventor discovers that when copper succinate ferrite is compounded with alkene oxime amine, propionyl ring amine or fluopyram through a large number of indoor biological activity tests, cross resistance does not exist in a certain mass ratio range, a good synergistic effect is shown, and related reports are not found at present.
Disclosure of Invention
The invention aims to provide a medicament for preventing and treating the pueraria thomsonii stalk rot, which aims to solve the problems that the existing chemical medicaments have unsatisfactory prevention and treatment effects on the pueraria thomsonii stalk rot and copper succinate adipate is mainly used for preventing and treating plant bacterial diseases and has poor prevention and treatment effects on fungal diseases.
In order to achieve the purpose, the invention provides the following technical scheme:
the composition for preventing and treating the root rot of the pachyrhizus angulatus stems comprises the effective components of copper succinate ferrite and any one of alkene oxime amine, propionyl bacteria amine and fluopyram.
Preferably, the mass ratio of the copper succinate + ferulate to the alkene oxime amine is 1-5: 40-1.
Preferably, the mass ratio of the copper (succinate + glutarate + adipate) to the carpropamid is 1-10: 30-1.
Preferably, the mass ratio of the copper (succinate + glutarate + adipate) to the fluopyram is 1-5: 15-1.
The invention also provides a medicament for preventing and treating the stem base rot of pachyrhizua angulatus, which consists of the effective components of the composition and an auxiliary agent acceptable in agriculture and pharmacy.
Preferably, the mass of the active ingredient of the composition accounts for 1-80% of the total mass of the medicament.
Preferably, the preparation form of the medicament is wettable powder, suspending agent, water dispersible granule or aqueous emulsion.
The invention also provides application of the composition or the medicament in preventing and treating the radix puerariae basic rot caused by fusarium solani.
Compared with the prior art, the invention has the following beneficial effects:
(1) when the copper succinate + glutarate + adipate and other active ingredients in the composition are compounded in a certain mass ratio range, the co-toxicity coefficients are all larger than 120, no cross resistance exists, a good synergistic effect is shown, and compared with a single agent, the composition can improve the control effect on the pathogenic bacteria of the stem rot of the pachyrhizua angulatus, reduce the pesticide application dose, further reduce the control cost, relieve the environmental pressure and reduce the pesticide residue.
(2) The composition and the medicament can be used for preventing and treating fungal diseases such as pachyrhizua angulatus stem rot and the like, and have a wide bactericidal spectrum.
(3) The composition and the medicament can delay the drug resistance of pathogenic bacteria, thereby prolonging the service life of the composition and the medicament.
Detailed Description
The technical solutions of the present invention are described in detail below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: indoor bioactivity test after compounding of copper succinate + glutarate
Reagent to be tested: 30% of copper succinate + glutarate wettable powder, 98% of alkene oxime amine raw material, 99% of cyclopropanamide raw material and 96% of fluopyram raw material.
Test germs: taking the stem base part of the diseased pachyrhizua angulatus, cutting 5mm multiplied by 5mm and organizing a plurality of blocks from the boundary of the diseased pachyrhizus angulatus by using a scalpel, then carrying out separation, purification and identification on pathogenic bacteria, identifying the pathogenic bacteria as Fusarium solani (Fusarium solani), and culturing in a PDA culture medium for later use.
The test method comprises the following steps: (refer to "agricultural chemical laboratory bioassay laboratory criteria Fungicide part 2: inhibition of pathogenic fungi hypha growth test plate method")
1. Dissolving a test reagent to be dissolved by using ethanol, diluting the test reagent into single-dose mother liquor by using 0.1% Tween-80 aqueous solution, setting multiple groups of mixture ratios, and setting 6-series gradient mass concentrations of the single-dose mother liquor and each group of mixture ratios;
2. quantitatively adding a pre-melted sterile culture medium into a sterile conical flask, sequentially sucking 1mL of liquid medicine from low concentration to high concentration, respectively adding into the conical flasks, fully shaking up, and then pouring into 3 culture dishes with the diameter of 9cm in equal amount to prepare a medicine-containing flat plate; meanwhile, setting a blank control without medicament treatment, and repeating the treatment for 3 times;
3. under aseptic condition, cutting off bacterial cake from the edge of bacterial colony by using a sterilization puncher with diameter of 7mm, inoculating the bacterial cake to the center of a drug-containing flat plate by using an inoculator, covering a dish cover, and culturing in an incubator at 25 ℃;
4. when the blank control hyphae just grow over the culture dish, the diameter (unit mm) of the bacterial colony is measured by a caliper, the diameter of each bacterial colony is measured by a cross method, the average value is taken, and the hyphae growth inhibition rate is calculated. Using DPS software to make regression analysis of logarithmic value of medicine concentration and probability value of hypha growth inhibition rate and calculate EC of every medicine 50 And calculating the co-toxicity coefficient (CTC value) of the mixture according to the Sun Yupei method.
D＝D 1 -D 2 (1)
In formula (1): d- -colony growth diameter (mm); d 1 -colony diameter (mm); d 2 -cake diameter (mm).
I＝[(D 0 -D t )÷D 0 ]×100 (2)
In the formula (2): i- -hypha growth inhibition (%); d 0 -blank control colony growth diameter (mm); d t Agent-treated colony growth diameter (mm).
ATI＝(S÷M)×100 (3)
In formula (3): ATI- -the observed virulence index of the combination; s- -EC of Standard drug 50 (mg/L); m- -EC of the test mixture 50 (mg/L)。
TTI＝TI A ×P A +TI B ×P B (4)
In formula (4): TTI hybridThe theoretical virulence index of the agent; TI A -a agent virulence index; p A -the percentage (%) of agent a in the mixture; TI B -B agent virulence index; p B The percentage (%) of the agent B in the mixture,
CTC＝(ATI÷TTI)×100 (5)
in formula (5): CTC-co-toxicity coefficient; ATI- -measured virulence index of the mixture; TTI- -mixture theory virulence index.
Criteria are divided according to joint action: the co-toxicity coefficient (CTC) is more than or equal to 120, which shows a synergistic effect; the co-toxicity coefficient (CTC) is less than or equal to 80, and the antagonism is shown; 80< co-toxicity coefficient (CTC) <120 showed additive effect. The results are shown in tables 1-3.
TABLE 1 indoor bioactivity assay of copper succinate-ferulate and alkene oxime amine compounded on Fusarium solani
| Name and proportion of the medicament | EC 50 (mg/L) | ATI | TTI | CTC |
| Copper (succinate + glutarate + adipate) | 13.38 | 100.00 | -- | -- |
| Alkene oxime amine | 3.67 | 364.58 | -- | -- |
| Copper succinate + glutarate 1: alkene oxime amine 40 | 2.16 | 619.44 | 358.12 | 172.97 |
| Copper succinate + glutarate + adipate 1: alkene oxime amine 30 | 1.02 | 133.76 | 356.04 | 368.43 |
| Copper succinate + glutarate + adipate 1: alkene oxime amine 20 | 2.83 | 472.79 | 351.98 | 134.32 |
| Copper succinate + glutarate 1: alkene oxime amine 10 | 0.82 | 1631.71 | 340.53 | 479.17 |
| Copper succinate + glutarate 1: alkene oxime amine 5 | 1.77 | 755.93 | 320.48 | 235.87 |
| Copper succinate + glutarate 1:alkene oxime amine 1 | 3.37 | 397.03 | 232.29 | 170.92 |
| Copper succinate + glutarate + adipate 2: alkene oxime amine 1 | 5.05 | 264.95 | 188.19 | 140.79 |
| Copper succinate + 3: alkene oxime amine 1 | 4.94 | 270.85 | 166.14 | 163.02 |
| Copper succinate + glutarate 4: alkene oxime amine 1 | 3.06 | 437.25 | 152.92 | 285.95 |
| Copper (succinate + glutarate + adipate) 5: alkene oxime amine 1 | 2.64 | 506.82 | 144.10 | 351.72 |
As can be seen from table 1, copper succinate + glutarate + hydroxamate was present in a mass ratio of 1 to 5: the co-toxicity coefficients within the range of 40-1 are all larger than 120, namely the copper succinate + glutarate + enoximam is compounded to have synergistic effect on the biological activity of fusarium solani.
TABLE 2 indoor determination of biological Activity of copper succinate + Ferylate and Cyclopropanamide combinations on Fusarium solani
As can be seen from Table 2, the mass ratio of copper (succinate + glutarate + adipate) to the carpropamid is 1-10: the cotoxicity coefficients within the range of 30-1 are all larger than 120, namely the compound of the copper succinate + glutarate and the cyclopropanamide has synergistic effect on the biological activity of the fusarium solani.
TABLE 3 indoor determination of bioactivity of Fusarium solani compounded by copper (succinate + glutarate + adipate) and fluopyram
| Name and proportion of the medicament | EC 50 (mg/L) | ATI | TTI | CTC |
| Copper (succinate + glutarate + adipate) | 13.38 | 100.00 | -- | -- |
| Fluopyram | 4.37 | 306.18 | -- | -- |
| Copper succinate + glutarate 1: fluopyram 15 | 3.17 | 422.08 | 293.29 | 143.91 |
| Copper succinate + glutarate 1: fluopyram 12 | 3.05 | 438.69 | 290.32 | 151.11 |
| Copper succinate + glutarate 1: fluopyram 9 | 2.47 | 541.70 | 285.56 | 189.70 |
| Copper succinate + glutarate + adipate 1: fluopyram 7 | 1.72 | 777.91 | 280.41 | 277.42 |
| Copper succinate + glutarate 1: fluopyram 5 | 1.41 | 948.94 | 271.82 | 349.11 |
| Copper succinate + glutarate 1: fluopyram 3 | 2.49 | 537.35 | 254.63 | 211.03 |
| Copper succinate + glutarate 1: fluopyram 1 | 4.45 | 300.67 | 203.09 | 148.05 |
| Copper succinate + glutarate 2: fluopyram 1 | 5.76 | 232.29 | 168.73 | 137.67 |
| Copper succinate + 3: fluopyram 1 | 4.12 | 324.76 | 151.54 | 214.30 |
| Copper (succinate + glutarate + adipate) 4: fluopyram 1 | 3.77 | 354.91 | 141.24 | 251.29 |
| Copper (succinate + glutarate + adipate) 5: fluopyram 1 | 2.52 | 530.95 | 134.36 | 395.16 |
As can be seen from Table 3, the mass ratio of copper (succinate + glutarate + adipate) to fluopyram is 1-15: the cotoxicity coefficient within the range of 40-1 is more than 120, namely the synergistic effect is shown on the biological activity of the fusarium solani after the copper succinate + glutarate + fluopyram is compounded.
In conclusion, when the copper succinate ferrite and the alkene oxime amine, the propionyl bacteria amine or the fluopyram are compounded in a certain mass ratio range, the co-toxicity coefficients are all larger than 120, and the obvious synergistic effect is shown, compared with a single agent, the control effect on the radix puerariae basic rot caused by fusarium solani can be improved, the application dosage of the pesticide can be further reduced, the control cost is reduced, and the environmental pressure is relieved; meanwhile, the bactericidal spectrum of the copper succinate + glutarate + adipate can be expanded.
Claims (8)
1. The composition for preventing and treating the root rot of the pachyrhizus angulatus stems is characterized in that the effective components of the composition are compounded by copper succinate ferrite and any one of alkene oxime amine, propionyl cyamine and fluopyram.
2. The composition for preventing and treating pachyrhizua angulatus stem rot according to claim 1, wherein the mass ratio of copper succinate + copper ferulate + alkene oxime amine is 1-5: 40-1.
3. The composition for preventing and treating pachyrhizua angulatus stem rot according to claim 1, wherein the mass ratio of the copper succinate + glutarate + malonamide is 1-10: 30-1.
4. The composition for preventing and treating pachyrhizua angulatus stem rot according to claim 1, wherein the mass ratio of copper succinate + copper phosphate + fluopyram is 1-5: 15-1.
5. A medicament for preventing and treating the stem base rot of pachyrhizua angulatus, which is characterized by consisting of the effective components of the composition as claimed in claim 1 and agriculturally and pharmaceutically acceptable auxiliaries.
6. The medicament of claim 5, wherein the mass of the active ingredient of the composition is 1-80% of the total mass of the medicament.
7. The medicament as claimed in claim 5, wherein the medicament is in the form of wettable powder, suspending agent, water dispersible granule or emulsion in water.
8. Use of a composition according to any one of claims 1 to 4 or of an agent according to any one of claims 5 to 7 for controlling rhizoctonia solani caused by fusarium solani.
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| CN202210584451.9A CN114946849B (en) | 2022-05-27 | 2022-05-27 | Medicament for preventing and treating powder Ge Jingji rot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116473062A (en) * | 2023-04-26 | 2023-07-25 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Sterilization composition for preventing and treating passion fruit stem basal rot |
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| CN107660539A (en) * | 2016-07-27 | 2018-02-06 | 海利尔药业集团股份有限公司 | A kind of bactericidal composition containing fluopyram and copper 8-hydroxyquinolinate |
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- 2022-05-27 CN CN202210584451.9A patent/CN114946849B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102626099A (en) * | 2012-03-28 | 2012-08-08 | 陕西上格之路生物科学有限公司 | Bactericidal composition containing cupric nonyl phenolsulfonate and methoxy-acrylate bactericide |
| WO2015062353A1 (en) * | 2013-11-04 | 2015-05-07 | Rotam Agrochem International Company Limited | Fungicidal composition and the use thereof |
| CN104351244A (en) * | 2014-11-06 | 2015-02-18 | 陕西上格之路生物科学有限公司 | Bactericidal composition containing oxalate diacetone ketone amine and amide bactericides |
| CN105660638A (en) * | 2014-11-18 | 2016-06-15 | 陕西美邦农药有限公司 | Bactericidal composition containing copper(succinate+glutarate+adipate) and strobilurin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116473062A (en) * | 2023-04-26 | 2023-07-25 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Sterilization composition for preventing and treating passion fruit stem basal rot |
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| CN114946849B (en) | 2024-04-26 |
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