CN116869004A - Sterilization composition and organic fertilizer with dual effects of stress resistance and sterilization - Google Patents
Sterilization composition and organic fertilizer with dual effects of stress resistance and sterilization Download PDFInfo
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- CN116869004A CN116869004A CN202310839669.9A CN202310839669A CN116869004A CN 116869004 A CN116869004 A CN 116869004A CN 202310839669 A CN202310839669 A CN 202310839669A CN 116869004 A CN116869004 A CN 116869004A
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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
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
- A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic 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
- 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
- A01N37/36—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 singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- 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
- A01P21/00—Plant growth regulators
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- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
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- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The invention belongs to the technical field of pesticides, and particularly relates to a sterilization composition and an organic fertilizer with dual effects of stress resistance and sterilization. The effective component of the bactericidal composition with the dual effects of stress resistance and sterilization is formed by binary compounding of melatonin and coumoxystrobin, orysastrobin or mandipropamid. The bactericidal composition can improve the control effect on plant diseases, reduce the use amount of pesticides and reduce pesticide residues and environmental pollution. In addition, the bactericidal composition can delay the development of drug resistance of plant pathogens and reduce the risk of drug resistance by using single active ingredient. Secondly, the bactericidal composition can improve the stress resistance of plants and resist the invasion of plant diseases; when the application object is rice crops, the chalkiness of the rice can be reduced. The organic fertilizer can prevent and control plant diseases, can be a plant growth nutrient substance, can enhance plant stress resistance, and achieves the effect of 'one application multiple effects'.
Description
Technical Field
The invention belongs to the technical field of pesticides, and particularly relates to a sterilization composition and an organic fertilizer with dual effects of stress resistance and sterilization.
Background
Infection of rice with helminth (Bipolaris oryzae) can cause fungal disease, rice flax leaf spot. The rice Hupeng spot germ passes winter on seeds or field plant residues in the form of conidium or mycelium, and becomes an initial infection source of the next year. The leaf spot disease of the rice can be developed from seedling stage to harvest stage, the overground part of the rice plant can be developed, the most serious part of the development is the rice leaf, and then the grain, the neck and the branch stem, etc. Leaf blight is caused by leaf damage, blighted grains are increased due to ear damage, thousand grain weight is reduced, and rice yield and rice quality are affected.
The chemical agent is a main and effective means for preventing and treating the rice leaf spot, for example, the rice leaf spot can be effectively prevented and treated by utilizing various agents such as carbendazim, propineb, ethylicin and the like. However, with the long-term use of chemical agents, the drug resistance of pathogenic bacteria gradually accumulates, so that the prevention effect of the chemical agents is reduced, and meanwhile, the problems of environmental pollution, pesticide residues and the like are caused. Therefore, development of an efficient and low-residue medicament for preventing and treating rice leaf spot is necessary.
Melatonin (N-acetyl-5-methoxytryptamine, CAS: 73-31-4) is a naturally occurring small molecule indole neurohormone. In plants, melatonin is widely present and involved in plant growth regulation, environmental and biotic stresses, etc., enhancing plant stress resistance. Publication No. CN107318846A discloses a novel application of melatonin in inhibiting plant oomycete diseases and a novel plant oomycete bactericide, and in the specification, the melatonin can inhibit potato late blight or tobacco black shank.
Publication No. CN202110958672.3 discloses the use of melatonin in the preparation of a plant antifungal agent, and in its specification, melatonin inhibits corn small spot, fusarium pseudograminearum, fusarium graminearum, sclerotinia sclerotiorum, black shank of rape, apple rot pathogen, apple anthracnose pathogen, pear rot pathogen, or brown rot of peach. Meanwhile, melatonin can be used as a plant immunity inducer to enhance plant immunity.
Publication No. CN116172012A discloses a bactericidal composition for preventing and treating powdery mildew of bitter gourd, and in the specification, the composition is disclosed as a compound of tetrazolium picolinate and melatonin, which has a synergistic effect on powdery mildew of bitter gourd and can improve the preventing and treating effect on powdery mildew of bitter gourd.
Publication number CN114246188A discloses the use of melatonin in reducing the chalkiness of rice, in the description of which it is disclosed that melatonin can significantly reduce the chalkiness of rice, and at the same time can reduce the chalkiness of rice to a certain extent, which is beneficial for improving the quality of rice.
Compounding different pesticide varieties is a convenient way for developing new medicaments, and is an effective way for preventing and treating plant resistance diseases. At present, no report on the compounding of melatonin and coumoxystrobin, orysastrobin or mandipropamid is known.
Disclosure of Invention
The invention aims to provide a sterilization composition and an organic fertilizer with dual effects of stress resistance and sterilization.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the active ingredients of the sterilizing composition with the dual effects of stress resistance and sterilization are formed by binary combination of melatonin and coumoxystrobin, trifloxystrobin or mandipropamid.
Preferably, the mass ratio of the melatonin to the coumoxystrobin is 1-2:15-1.
Preferably, the mass ratio of the melatonin to the orysastrobin is 1-10:10-1.
Preferably, the mass ratio of the melatonin to the mandipropamid is 1-12:20-1.
The invention also provides a plant organic fertilizer, which comprises the sterilization composition with the dual effects of stress resistance and sterilization.
Preferably, the plant organic fertilizer comprises the following raw materials in percentage by mass: 0.5-8% of sterilizing composition with dual effects of stress resistance and sterilization, 20-65% of macroelement fertilizer, 2-8% of trace element fertilizer, 2-5% of humic acid, 1-3% of dispersing agent and 100% of carrier.
Preferably, the macroelement fertilizer is selected from one or more of urea, potassium nitrate, monopotassium phosphate and magnesium sulfate;
the trace element fertilizer is one or more selected from zinc chloride, copper chloride, manganese sulfate, ferric nitrate and ammonium molybdate;
the dispersing agent is one or more selected from sodium dodecyl sulfate, sodium laureth sulfate, calcium dodecyl sulfate, sodium lignin sulfonate and sodium butylnaphthalene sulfonate;
the carrier is one or more selected from light calcium carbonate, bentonite, talcum powder and attapulgite.
The invention also provides the application of the sterilization composition with the dual effects of stress resistance and sterilization or the plant organic fertilizer in enhancing the stress resistance of plants and preventing and killing plant fungal diseases.
The invention also provides an application of the sterilizing composition with the dual effects of stress resistance and sterilization or the plant organic fertilizer in reducing the chalkiness of rice.
Compared with the prior art, the invention has the following beneficial effects:
(1) The bactericidal composition can improve the control effect on plant diseases, reduce the use amount of pesticides, reduce pesticide residues and environmental pollution, and has the potential of developing high-efficiency and low-residue medicaments.
(2) The bactericidal composition can delay the development of drug resistance of plant pathogens and reduce the risk of drug resistance by using single active ingredient.
(3) The bactericidal composition is compounded by melatonin and other components, and can improve plant stress resistance and resist the invasion of plant diseases while playing an antibacterial bactericidal role; when the application object is rice crops, the chalkiness of the rice can be reduced.
(2) The organic fertilizer contains a plurality of components such as sterilizing components, macroelement fertilizers, trace element fertilizers, humic acid and the like, can prevent and control plant diseases and can be plant growth nutrient substances when in use, can enhance plant stress resistance, and achieves the effect of 'one application multiple effects'.
Detailed Description
The following is a clear and complete description of the technical solutions of the present patent.
In the following examples, humic acid was purchased from Tesco chemical (Hubei) Co., ltd, with a purity of 99%.
Example 1
1. Test strain
Collecting infected rice plant leaves, separating and purifying pathogenic bacteria in a laboratory, identifying to obtain rice vermicularia Bipolaris (Bipolaris oryzae), and activating in PDA culture medium for use.
2. Test agent
98% melatonin (Shaanxi's construction and biotechnology Co., ltd.), 96% coumoxystrobin (Jilin province, octada pesticide Co., ltd.), 99% orysastrobin (Wuhan Hongshenkang fine chemical Co., ltd.), 93% mandipropamid (Switzerland, zhengda crop protection Co., ltd.)
After the reagent to be tested is dissolved by dimethyl sulfoxide, the reagent to be tested is diluted into a single-dose mother solution by using a tween-80 water solution with the mass fraction of 0.1%, a plurality of groups of proportions are arranged, and each single-dose mother solution and the proportion mixture are provided with 5 mass concentration gradients.
3. Test method
The hypha growth rate method is adopted. Adding PDA culture medium cooled to about 55deg.C into sterile conical flask, sucking appropriate amount of medicinal liquid, adding into the conical flask, shaking thoroughly, pouring into culture dishes with diameter of 9cm, pouring 15mL (volume ratio of PDA culture medium to medicinal liquid is 9:1) into each culture dish, cooling, and making into medicated plate; and a treatment with 0.1% tween-80 aqueous solution was used as a blank, and 8 plates were set for each mass concentration of the drug solution. Cutting bacterial cake with diameter of 5mm at colony edge of tested bacterial strain with puncher, inoculating to the centers of medicated plate and blank control plate, covering with dish cover, and culturing in a 28 deg.C incubator. When the diameter of the blank control colony grows to 2/3 of the diameter of the culture dish, measuring the colony diameter by using a crisscross method, and calculating the inhibition rate of different treatments on hypha growth.
4. Data analysis
Performing data statistical analysis by DPS software to obtain EC of each treatment liquid to the strain to be tested 50 Co-toxicity coefficient (CTC) was calculated according to grand cloud pei method.
5. Measurement results
The synergy of the agents was evaluated based on the calculated co-toxicity coefficient (CTC), CTC.ltoreq.80 being antagonism, CTC.ltoreq.120 being additive, CTC.ltoreq.120 being synergy, the results being shown in tables 1-3.
TABLE 1 indoor biological Activity of melatonin and coumoxystrobin combination against Helminthosporium graminearum
| Medicament name and ratio | EC50(mg/L) | ATI | TTI | CTC |
| Melatonin | 181.7047 | 100.0000 | -- | -- |
| Coumoxystrobin | 4.2610 | 4264.3675 | -- | -- |
| Melatonin 1: coumoxystrobin 15 | 3.3386 | 5442.5418 | 4004.0945 | 135.9244 |
| Melatonin 1: coumoxystrobin 10 | 2.2818 | 7963.2176 | 3885.7887 | 204.9318 |
| Melatonin 1: coumoxystrobin 5 | 3.1258 | 5813.0623 | 3570.3063 | 162.8169 |
| Melatonin 1: coumoxystrobin 3 | 4.3506 | 4176.5435 | 3223.2756 | 129.5745 |
| Melatonin 1: coumoxystrobin 1 | 6.8625 | 2647.7916 | 2182.1838 | 121.3368 |
| Melatonin 2: coumoxystrobin 1 | 7.1403 | 2544.7768 | 1488.1225 | 171.0059 |
As can be seen from table 1, after the melatonin and the coumoxystrobin are compounded, the mass ratio is 1-2: the co-toxicity coefficient of the vermiculella bipinnata to rice in the range of 15-1 is greater than 120, and the synergistic effect is shown.
Table 2 indoor biological Activity of melatonin and orysastrobin on Helminthosporium graminearum
| Medicament name and ratio | EC50(mg/L) | ATI | TTI | CTC |
| Melatonin | 181.7047 | 100.0000 | -- | -- |
| Oxime-dimoxystrobin | 12.6899 | 1431.8844 | -- | -- |
| Melatonin 1: oxime-dimoxystrobin 10 | 10.7906 | 1683.9166 | 1310.8040 | 128.4644 |
| Melatonin 1: oxime-dimoxystrobin 5 | 12.3438 | 1472.0321 | 1209.9037 | 121.6652 |
| Melatonin 1: oxime-dimoxystrobin 3 | 9.4226 | 1928.3924 | 1098.9133 | 175.4818 |
| Melatonin 1: oxime-dimoxystrobin 1 | 15.1992 | 1195.4886 | 765.9422 | 156.0808 |
| Melatonin 3: oxime-dimoxystrobin 1 | 26.0421 | 697.7344 | 432.9711 | 161.1503 |
| Melatonin 5: oxime-dimoxystrobin 1 | 38.8071 | 468.2254 | 321.9807 | 145.4203 |
| Melatonin 10: oxime-dimoxystrobin 1 | 44.3544 | 409.6656 | 221.0804 | 185.3016 |
As shown in table 2, after the melatonin and the orysastrobin are compounded, the mass ratio is 1-10: the co-toxicity coefficient of the vermicularia graminea on the umbilicus in the range of 10-1 is more than 120, and the synergism is shown.
TABLE 3 indoor biological Activity of melatonin and mandipropamid complexes against Helminthosporium graminearum
| Medicament name and ratio | EC50(mg/L) | ATI | TTI | CTC |
| Melatonin | 181.7047 | 100.0000 | -- | -- |
| Mandipropamid | 23.2016 | 783.1559 | -- | -- |
| Melatonin 1: mandipropamid 20 | 17.4237 | 1042.8594 | 750.6247 | 138.9322 |
| Melatonin 1: mandipropamid 15 | 16.3261 | 1112.9706 | 740.4587 | 150.3083 |
| Melatonin 1: mandipropamid 10 | 12.6594 | 1435.3342 | 721.0508 | 199.0614 |
| Melatonin 1: mandipropamid 5 | 18.7096 | 971.1843 | 669.2966 | 145.1052 |
| Melatonin 1: mandipropamid 3 | 22.9797 | 790.7183 | 612.3669 | 129.1249 |
| Melatonin 1: mandipropamid 1 | 23.2483 | 781.5827 | 441.5780 | 176.9977 |
| Melatonin 4: mandipropamid 1 | 47.5181 | 382.3905 | 236.6312 | 161.5977 |
| Melatonin 8: mandipropamid 1 | 53.7649 | 337.9616 | 175.9062 | 192.1260 |
| Melatonin 12: mandipropamid 1 | 64.4577 | 281.8976 | 152.5505 | 184.7897 |
As can be seen from table 3, after the melatonin and mandipropamid are compounded, the mass ratio is 1-12: the co-toxicity coefficient of the vermiculella bipinnata to rice in the range of 20-1 is more than 120, and the synergistic effect is shown.
In conclusion, after the melatonin is compounded with the coumoxystrobin, the orysastrobin or the mandipropamid, the prevention and control effects on plant diseases can be improved, the using amount of pesticides can be reduced, pesticide residues and environmental pollution can be reduced, and the preparation method has the potential of developing efficient and low-residue medicaments.
Example 2
The plant organic fertilizer consists of the following raw materials in percentage by mass: 2% of a sterilizing composition with dual effects of stress resistance and sterilization, 13% of urea, 16% of potassium nitrate, 20% of monopotassium phosphate, 0.5% of zinc chloride, 1% of copper chloride, 3% of manganese sulfate, 0.75% of ferric nitrate, 0.25% of ammonium molybdate, 5% of humic acid, 2% of calcium dodecyl sulfate and 100% of talcum powder; wherein, the sterilization composition with dual effects of stress resistance and sterilization is prepared from melatonin and coumoxystrobin according to the proportion of 1:10 mass ratio.
Example 3
The plant organic fertilizer consists of the following raw materials in percentage by mass: 5% of a sterilizing composition with dual effects of stress resistance and sterilization, 20% of potassium nitrate, 26% of monopotassium phosphate, 1.5% of zinc chloride, 0.75% of copper chloride, 2% of manganese sulfate, 0.5% of ammonium molybdate, 4% of humic acid and 3% of calcium dodecyl sulfate, and supplementing light calcium carbonate to 100%; wherein, the sterilization composition with dual effects of stress resistance and sterilization is prepared from melatonin and orysastrobin according to the proportion of 10:1 by mass ratio.
Example 4
The plant organic fertilizer consists of the following raw materials in percentage by mass: 8% of a sterilizing composition with dual effects of stress resistance and sterilization, 20% of potassium nitrate, 26% of monopotassium phosphate, 8% of magnesium sulfate, 2% of copper chloride, 2% of manganese sulfate, 1.5% of ferric nitrate, 5% of humic acid, 3% of calcium dodecyl sulfate and 100% of attapulgite; the bactericidal composition with the dual effects of stress resistance and sterilization is prepared from melatonin and coumoxystrobin according to the proportion of 1:10 or 8:1 by mass ratio.
Claims (9)
1. The sterilizing composition with the dual effects of stress resistance and sterilization is characterized in that the effective components of the sterilizing composition with the dual effects of stress resistance and sterilization are formed by binary combination of melatonin and coumoxystrobin, trifloxystrobin or mandipropamid.
2. The bactericidal composition with dual effects of stress resistance and sterilization according to claim 1, wherein the mass ratio of the melatonin to the coumoxystrobin is 1-2:15-1.
3. The bactericidal composition with dual effects of stress resistance and sterilization according to claim 1, wherein the mass ratio of melatonin to orysastrobin is 1-10:10-1.
4. The bactericidal composition with dual effects of stress resistance and sterilization according to claim 1, wherein the mass ratio of the melatonin to the mandipropamid is 1-12:20-1.
5. A plant organic fertilizer, characterized in that the plant organic fertilizer comprises the sterilization composition with dual effects of stress resistance and sterilization as claimed in any one of claims 1 to 5.
6. The plant organic fertilizer according to claim 5, which is composed of the following raw materials in percentage by mass: 0.5-8% of sterilizing composition with dual effects of stress resistance and sterilization, 20-65% of macroelement fertilizer, 2-8% of trace element fertilizer, 2-5% of humic acid, 1-3% of dispersing agent and 100% of carrier.
7. The plant organic fertilizer according to claim 6, wherein the macroelement fertilizer is selected from one or more of urea, potassium nitrate, potassium dihydrogen phosphate and magnesium sulfate;
the trace element fertilizer is one or more selected from zinc chloride, copper chloride, manganese sulfate, ferric nitrate and ammonium molybdate;
the dispersing agent is one or more selected from sodium dodecyl sulfate, sodium laureth sulfate, calcium dodecyl sulfate, sodium lignin sulfonate and sodium butylnaphthalene sulfonate;
the carrier is one or more selected from light calcium carbonate, bentonite, talcum powder and attapulgite.
8. Use of the bactericidal composition with dual effects of stress resistance and sterilization as defined in any one of claims 1 to 4 or the plant organic fertilizer as defined in any one of claims 5 to 7 for enhancing stress resistance of plants and preventing and controlling fungal diseases of plants.
9. Use of the bactericidal composition with dual effects of stress resistance and sterilization as claimed in any one of claims 1 to 4 or the plant organic fertilizer as claimed in any one of claims 5 to 7 for reducing rice chalkiness.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117981757A (en) * | 2024-04-02 | 2024-05-07 | 中国农业科学院作物科学研究所 | Composition and method for spraying to improve wheat resistance to stem base rot caused by Fusarium graminearum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117981757A (en) * | 2024-04-02 | 2024-05-07 | 中国农业科学院作物科学研究所 | Composition and method for spraying to improve wheat resistance to stem base rot caused by Fusarium graminearum |
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Application publication date: 20231013 |
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