CN115152800B - Pesticide composition containing carvacrol, preparation and application thereof - Google Patents
Pesticide composition containing carvacrol, preparation and application thereof Download PDFInfo
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- CN115152800B CN115152800B CN202210951970.4A CN202210951970A CN115152800B CN 115152800 B CN115152800 B CN 115152800B CN 202210951970 A CN202210951970 A CN 202210951970A CN 115152800 B CN115152800 B CN 115152800B
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
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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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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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
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
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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
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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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Abstract
The invention relates to the technical field of pesticides, and particularly discloses a carvacrol-containing pesticide composition, a preparation and application thereof. The pesticide composition containing carvacrol comprises the following active ingredients in parts by weight: 3 to 6 percent of carvacrol, 2 to 8 percent of rhamnolipid and 2 to 10 percent of soapberry extract. The components of the pesticide composition provided by the invention have obvious synergistic effect, and the addition of the high-efficiency targeting biological source auxiliary agent rhamnolipid can promote the penetration of carvacrol to the cell walls of fungi and bacteria, damage zoospore membranes of the fungi and effectively block the development of various fungal diseases. The prepared pesticide composition has quick pesticide effect and long action period when applied to crops, can improve the sterilization effect and has obvious control effect. The prepared pesticide composition is green, has no residue and convenient use, and has outstanding control effect on pepper gray mold and pumpkin powdery mildew.
Description
Technical Field
The invention relates to the technical field of pesticides, in particular to a carvacrol-containing pesticide composition, a preparation and application thereof.
Background
Many plant pathogens can cause serious diseases to crops, and plant diseases are one of the main factors affecting agricultural yield. The infection sources causing plant diseases mainly include viral diseases, bacterial diseases, fungal diseases, nematode diseases, parasitic plants and the like. Crop diseases and insect pests are one of main agricultural disasters in China, and have the characteristics of multiple types, large influence and frequent outbreaks of disasters. The following kinds of plant diseases and insect pests are common for crops in China: rice planthoppers, powdery mildew, corn borers, cotton bollworms, wheat rust, cotton aphids, rice sheath blight, rice blast, wheat aphids, wheat red spiders, locust, wheat scab and the like.
The carvacrol is a green bactericide, can prevent gray mold, powdery mildew, brown spot, virus diseases and the like in vegetables and fruit trees, has good safety, no drug resistance and synergistic effect with various plant source active ingredients, and is a plant source active ingredient meeting the production standard of green pesticides. Carvacrol is mainly present in Labiatae plants such as thyme, rosemary thyme, moldavica dragonhead, oregano and the like, and has good biological activities such as sterilization, deinsectization, disinfection, corrosion prevention and the like. The use of conventional chemical pesticides often results in pesticide residues that are out of standard and have serious biological and environmental toxicity. The development of the current plant source carvacrol pesticide is limited by the problems of slow drug effect, short duration period and the like. Therefore, the development of the environment-friendly pesticide which has the advantages of high efficiency, broad spectrum, no pollution, quick effect, and capability of remarkably improving the lasting effect of the effect and further enhancing the action period is of great significance.
Disclosure of Invention
Aiming at the problems of slow effect and short action period of the existing carvacrol pesticide, the invention provides a pesticide composition containing carvacrol.
The invention also provides a preparation of the pesticide composition containing the carvacrol.
The invention also provides an application of the carvacrol-containing pesticide composition.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
the invention provides a pesticide composition containing carvacrol, which comprises the following active ingredients: carvacrol, rhamnolipid and soapberry extract.
Compared with the prior art, the pesticide composition containing carvacrol provided by the invention takes plant source carvacrol, high-efficiency targeting biological source auxiliary agent rhamnolipid and high-efficiency biological source surfactant soapberry extract as main active ingredients, and all the components have obvious synergistic effect. The carvacrol has better antibacterial activity and can kill bacteria and fungi well; the rhamnolipid is used as an environment-friendly biosurfactant, can promote the penetrability of carvacrol to fungus and bacterial cell walls, damage zoospore membranes of the fungus and effectively block the development of various fungal diseases; the soapberry extract is added, so that sterilization is thorough and efficient, the cost is low, and the burden of farmers can be reduced. The compound medicament is a plant source, so that the problem of pesticide residue is avoided, and the risk of generating phytotoxicity is greatly reduced. The pesticide composition containing carvacrol has the advantages of quick effect, long action period, greenness and no residue when applied to crops, and does not harm the bodies of the crops while killing insects and bacteria.
Carvacrol, english name: the carvacrol is a plant pesticide prepared by extracting and processing Chinese herbal medicine origanum vulgare, and is mainly used for preparing spices, bactericides and disinfectants and also used as edible essence. The carvacrol serving as a bactericide has a strong antibacterial effect, can act on the membrane structure of cells, can quickly improve the permeability and osmotic pressure of bacterial cell membranes, causes the leakage of intracellular substances, and phenolic substances entering the interior of the cells can change bacterial enzyme systems to cause the death of microorganisms. In vitro bacteriostasis tests of escherichia coli, salmonella, pseudomonas aeruginosa and staphylococcus aureus, carvacrol can lead to cell membrane rupture and intracellular material leakage, thereby killing pathogenic bacteria.
The rhamnolipid serving as a glycolipid anionic biosurfactant has stronger surface and interface activity, low toxicity and biodegradability and is widely applied to petroleum exploitation, environmental protection, pharmaceutical chemical industry, food and agriculture.
The soapberry extract mainly contains soapberry saponin, wherein the soapberry saponin is a natural nonionic surfactant, can reduce the surface tension of water, has the characteristics of antibiosis, environmental protection, no public hazard and the like, can be used as a pesticide emulsifier, and has good killing effect on cotton aphids, red spiders, sweet potato golden hua worms and the like.
Further, the pesticide composition containing carvacrol consists of carvacrol, rhamnolipid, soapberry extract, an auxiliary agent and a solvent.
Preferably, the pesticide composition containing carvacrol comprises, by weight, 3% -6% of carvacrol, 2% -8% of rhamnolipid, 2% -10% of soapberry extract, 12% -20% of an auxiliary agent and solvent compensation to 100%.
Preferably, the pesticide composition containing carvacrol, the auxiliary agent comprises at least one of wetting agent, defoamer or stabilizer.
Wherein the wetting agent is at least one of sodium dodecyl sulfate, sodium carboxymethyl cellulose or styrylphenol polyoxyethylene ether.
The defoaming agent is at least one of polydimethylsiloxane, methanol or silicone oil.
The stabilizer is at least one of propylene oxide, butyl glycidyl ether, isopropanol, n-butanol or polyethylene glycol.
Preferably, the pesticide composition containing carvacrol, and the solvent is at least one of water or ethanol.
Furthermore, the pesticide composition is in the form of an aqueous solution or a concentrated solvent.
The invention also provides application of the pesticide composition containing carvacrol in controlling gray mold or powdery mildew.
Preferably, the pesticide composition containing carvacrol is applied to preventing and treating gray mold or powdery mildew of plants, wherein the plants are peppers, grapes, tomatoes, pumpkins and eggplants.
Of course, the pesticide composition of the invention is not limited to the treatment of gray mold and powdery mildew, and simultaneously, the plants to be acted are not limited to peppers, grapes, tomatoes, pumpkins and eggplants; the composition also has good control effects on oomycete diseases, fungal diseases, bacterial diseases, viral diseases, mites, pests and the like of other plants.
The pesticide composition containing carvacrol can be applied according to a common method, such as pouring, spraying or spraying, and the application amount of the pesticide composition changes with weather conditions or crop states. When in use, the liquid is diluted according to the need. The medicine is applied before the onset of disease or when the disease spots are seen, and constant spraying (i.e. a layer of water film appears on the leaf surface, and the medicine liquid is suitable for not dropping). Generally, the dosage is: 30-200 mL/mu, and the drug application mode is as follows: the water consumption per mu is 15-30L, the spraying is carried out, and the application times are as follows: 3 times, each application interval is 7-10 days.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In order to better illustrate the embodiments of the present invention, the following is further illustrated by examples.
Example 1
Taking 3 kg of carvacrol, 2 kg of rhamnolipid, 2 kg of soapberry extract, adding 1 kg of isopropanol, 1 kg of methanol and 10 kg of styrene phenol polyoxyethylene ether serving as auxiliary materials, adding water to supplement to 100 kg, mixing and stirring uniformly, and preparing into a water agent.
Example 2
Taking 6 kg of carvacrol, 8 kg of rhamnolipid, 10 kg of soapberry extract, adding 2 kg of isopropanol, 1 kg of methanol and 15 kg of styrene phenol polyoxyethylene ether serving as auxiliary materials, adding water to supplement to 100 kg, mixing and stirring uniformly, and preparing into a water agent.
Example 3
Taking 5 kg of carvacrol, 4 kg of rhamnolipid, 6 kg of soapberry extract, adding 2 kg of isopropanol, 1 kg of methanol and 15 kg of styrene phenol polyoxyethylene ether serving as auxiliary materials, adding water to supplement to 100 kg, mixing and stirring uniformly, and preparing into a water agent.
Example 4
Taking 5 kg of carvacrol, 4 kg of rhamnolipid, 6 kg of soapberry extract, adding 2 kg of auxiliary materials sodium lignin sulfonate, 1 kg of methanol, 15 kg of styrene phenol polyoxyethylene ether, 2 kg of sodium dodecyl sulfate, adding ethanol solvent to supplement to 100 kg, mixing and stirring uniformly, and preparing into a solution.
Comparative example 1
The comparative example was prepared by using the same raw materials and preparation method as in example 3, except that soapberry extract was replaced with equal weight of rhamnolipid to prepare an aqueous preparation.
Comparative example 2
The comparative example was prepared by using the same raw materials and preparation method as in example 3, except that rhamnolipid was replaced with the soapberry extract of equal weight to prepare an aqueous solution.
Comparative example 3
The comparative example was prepared using the same materials and preparation method as in example 3, except that carvacrol was replaced with the same weight of soapberry extract to make a water aqua.
Comparative example 4
This comparative example was prepared using the same materials and preparation method as in example 3, except that rhamnolipid was replaced with equal weight of sophorolipid to prepare an aqueous preparation.
Recording with reference to GB/T17980-2000 grading standard, adopting the following grading method:
level 0: no disease spots;
stage 1: the area of the disease spots accounts for less than 5% of the area of the positive leaf;
3 stages: the area of the disease spots accounts for 6% -10% of the area of the positive leaf;
5 stages: the area of the disease spots accounts for 11% -20% of the area of the positive leaf;
7 stages: the area of the disease spots accounts for 21% -40% of the area of the positive leaf;
stage 9: the area of the disease spots accounts for more than 40% of the area of the positive leaf;
the disease index (disease index) and the control efficiency (control efficiency) in the test examples are calculated according to the following formulas:
the disease index was investigated 7 days after completion of administration and test data were recorded.
Test example 1
Preventing and treating gray mold of capsicum. The pesticide compositions of examples 1 to 4 of the present invention, and comparative examples 1 to 4 were used for controlling gray mold of capsicum. The control group is carvacrol single dose, rhamnolipid single dose and soapberry extract single dose respectively, and the blank control is clear water. Dosage of application: 100 mL/mu, the drug administration mode is as follows: 100mL of water agent is mixed with 15-30L of water and sprayed, and the application times are as follows: 3 times, each application interval is 7-10 days. The test results are shown in Table 1:
TABLE 1 test results of field control of Botrytis cinerea
As can be seen from Table 1, the pesticide composition provided by the invention has the efficiency of controlling the gray mold of the capsicum of 73.9-77.3%, the disease is below 4.3, the capsicum grows normally during the test period, and no disease symptoms are observed. Compared with comparative examples 1-4 and comparative groups 1-4, the efficiency of preventing and treating the gray mold of the capsicum is obviously improved, and the disease index is reduced. The invention shows that the carvacrol, the rhamnolipid and the soapberry extract can produce good synergistic effect, and the control effect on the pepper diseases is obviously improved.
Test example 2
Preventing and treating gray mold of tomato. The pesticide compositions of examples 1 to 4 according to the invention, as well as comparative examples 1 to 4, were used for controlling tomato gray mold. The control group is carvacrol single dose, rhamnolipid single dose and soapberry extract single dose respectively, and the blank control is clear water. Dosage of application: 100 mL/mu, the drug administration mode is as follows: 100mL of water agent is mixed with 15-30L of water and sprayed, and the application times are as follows: 3 times, each application interval is 7-10 days. The test results are shown in Table 2:
TABLE 2 test results of field control of Botrytis cinerea
As can be seen from Table 2, the pesticide composition provided by the invention has the efficiency of controlling the gray mold of tomatoes between 73.5% and 76.7%, the disease is below 4.6, the tomatoes normally grow during the test period, and no disease symptoms are observed. Compared with comparative examples 1-4 and comparative groups 1-4, the control efficiency of the tomato gray mold is obviously improved, and the disease index is reduced. The invention shows that the carvacrol, the rhamnolipid and the soapberry extract can produce good synergistic effect, and the tomato disease prevention and control effect is obviously improved.
Test example 3
Preventing and treating powdery mildew of pumpkin. The pesticide compositions of examples 1-4 of the present invention, and comparative examples 1-4 were used to control powdery mildew of pumpkin. The control group is carvacrol single dose, rhamnolipid single dose and soapberry extract single dose respectively, and the blank control is clear water. Dosage of application: 100 mL/mu, the drug administration mode is as follows: 100mL of water agent is mixed with 15-30L of water and sprayed, and the application times are as follows: 3 times, each application interval is 7-10 days. The test results are shown in Table 3:
TABLE 3 test results of field control of powdery mildew in pumpkin
As can be seen from Table 3, the pesticide composition provided by the invention has the efficiency of controlling the gray mold of the pumpkin between 74.5% and 78.6%, the disease refers to the normal growth of the pumpkin during the test period below 4.2, and no disease symptoms are observed. Compared with comparative examples 1-4 and comparative groups 1-4, the efficacy of controlling pumpkin powdery mildew is obviously improved, and the disease index is reduced. The invention shows that the carvacrol, the rhamnolipid and the soapberry extract can produce good synergistic effect, and the prevention and control effects on pumpkin diseases are obviously improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (7)
1. A pesticide composition containing carvacrol, characterized in that: the effective components of the pesticide composition containing carvacrol comprise carvacrol, rhamnolipid and soapberry extract; the soapberry extract is soapberry saponin;
wherein the mass ratio of carvacrol, rhamnolipid and soapberry extract is 3-6:2-8:2-10.
2. A carvacrol-containing pesticidal composition according to claim 1, wherein: the pesticide composition containing carvacrol also comprises an auxiliary agent.
3. A carvacrol-containing pesticidal composition according to claim 2, wherein: the auxiliary agent comprises at least one of a wetting agent, an antifoaming agent or a stabilizing agent.
4. A carvacrol-containing pesticidal composition according to claim 3, wherein: the wetting agent is at least one of sodium dodecyl sulfate, sodium carboxymethyl cellulose or styrylphenol polyoxyethylene ether;
the defoaming agent is at least one of polydimethylsiloxane, methanol or silicone oil;
the stabilizer is at least one of propylene oxide, butyl glycidyl ether, isopropanol, n-butanol or polyethylene glycol.
5. A soluble liquid formulation characterized by: a pesticidal composition comprising carvacrol as claimed in any of claims 1-4.
6. The soluble liquid formulation of claim 5, wherein: the soluble liquid preparation is water aqua.
7. Use of a pesticide composition containing carvacrol as claimed in any of claims 1 to 4 or a soluble liquid formulation as claimed in any of claims 5 to 6 for controlling gray mold or powdery mildew.
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| CN202210951970.4A CN115152800B (en) | 2022-08-09 | 2022-08-09 | Pesticide composition containing carvacrol, preparation and application thereof |
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| CN115152800B true CN115152800B (en) | 2023-10-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108850002A (en) * | 2018-06-28 | 2018-11-23 | 兰州世创生物科技有限公司 | It is a kind of for preventing and treating the botanical pesticide preparation of crops gray mold |
| CN109874815A (en) * | 2019-03-19 | 2019-06-14 | 武汉达汇新科技有限公司 | The agricultural functional composition and its preparation method and application of tobacco waste guiding |
| CN114617137A (en) * | 2022-04-07 | 2022-06-14 | 华植河北生物科技有限公司 | Pesticide composition and preparation for treating tobacco powdery mildew and black shank and application thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108850002A (en) * | 2018-06-28 | 2018-11-23 | 兰州世创生物科技有限公司 | It is a kind of for preventing and treating the botanical pesticide preparation of crops gray mold |
| CN109874815A (en) * | 2019-03-19 | 2019-06-14 | 武汉达汇新科技有限公司 | The agricultural functional composition and its preparation method and application of tobacco waste guiding |
| CN114617137A (en) * | 2022-04-07 | 2022-06-14 | 华植河北生物科技有限公司 | Pesticide composition and preparation for treating tobacco powdery mildew and black shank and application thereof |
Non-Patent Citations (2)
| Title |
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| 陈士林等.《中药材无公害栽培生产技术规范》.中国医药科技出版社,2018,第91页. * |
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