CN115299459B - Composition for preventing and treating tobacco virus diseases and application thereof - Google Patents
Composition for preventing and treating tobacco virus diseases and application thereof Download PDFInfo
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/45—Tobacco
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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
- A01N37/12—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 the group, wherein Cn means a carbon skeleton not containing a ring; Thio analogues 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
- 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
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01P21/00—Plant growth regulators
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Abstract
The invention relates to the field of prevention and treatment of tobacco virus diseases, and discloses a composition for preventing and treating tobacco virus diseases and application thereof, wherein the composition comprises the following components in parts by weight: and (3) a component A: at least one of organic water-soluble fertilizer and traditional Chinese medicine fertilizer; and the component B comprises the following components: at least one of amino-oligosaccharin and Ningnanmycin; and C, component: at least one of diethyl aminoethyl hexanoate and zinc sulfate; wherein the weight ratio of the component A to the component B to the component C is 1:0.2-1:0.2-1.5. The invention creatively utilizes the combination of fertilizer and pesticide to prevent and treat tobacco virus diseases, not only can provide nutrition required by tobacco growth, but also can prevent and treat tobacco virus diseases, simultaneously can enhance the stress resistance of tobacco, improve the yield and has good effect on increasing the yield and controlling the diseases of tobacco.
Description
Technical Field
The invention relates to the field of prevention and treatment of tobacco virus diseases, in particular to a composition for preventing and treating tobacco virus diseases and application thereof.
Background
Tobacco viruses are a plant virus general term for causing tobacco virus diseases, can harm various plants, are common infection pathogens of tobacco with serious harm, and are one of important diseases worldwide. In recent years, due to the adjustment of climate, cultivation system and agricultural industry structure, the harm of tobacco virus diseases to plants is increasingly serious, and once the tobacco is ill in the field, flue-cured tobacco is subjected to large-area harvest, so that irrecoverable loss is caused to farmers. However, in the prior art, the prevention and treatment method for tobacco virus diseases is single, chemical agents are used in a large area, the nutrition requirements and the resistance culture of plants are ignored, and the use of some agents can further damage the environment. Therefore, at present, no method for preventing and controlling tobacco virus diseases with good prevention and control effect is available, and the method is economical and environment-friendly. Therefore, development of a combined product which can enhance resistance of tobacco plants, supplement nutrition of tobacco plants and increase yield of tobacco plants and can effectively prevent and control tobacco virus diseases and realize sustainable development of tobacco industry is needed.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a composition for preventing and treating tobacco viruses and application thereof, wherein the composition not only can provide nutrition required by tobacco growth, but also can prevent and treat tobacco viruses, and can enhance stress resistance of tobacco, improve yield and have good effects on increasing and controlling tobacco yield.
In order to achieve the above object, the present invention provides, in one aspect, a composition for controlling tobacco virus diseases, wherein the composition comprises:
and (3) a component A: at least one of organic water-soluble fertilizer and traditional Chinese medicine fertilizer;
and the component B comprises the following components: at least one of amino-oligosaccharin and Ningnanmycin;
and C, component: at least one of diethyl aminoethyl hexanoate and zinc sulfate;
wherein the weight ratio of the component A to the component B to the component C is 1:0.2-1:0.2-1.5.
In a second aspect the invention provides the use of a composition as described above in the control of tobacco yield.
By the technical scheme, the composition not only can provide nutrition required by tobacco growth, but also can prevent and treat tobacco virus diseases, improves yield, and has good effect on tobacco yield increase and disease control.
Detailed Description
The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
In one aspect, the invention provides a composition for preventing and treating tobacco virus diseases, wherein the composition comprises:
and (3) a component A: at least one of organic water-soluble fertilizer and traditional Chinese medicine fertilizer;
and the component B comprises the following components: at least one of amino-oligosaccharin and Ningnanmycin;
and C, component: at least one of diethyl aminoethyl hexanoate and zinc sulfate;
wherein the weight ratio of the component A to the component B to the component C is 1:0.2-1:0.2-1.5.
In the invention, the component B is a component with antiviral activity commonly used in the field, and the component C is a functional auxiliary commonly used in the field.
Preferably, the weight ratio of the component A to the component B to the component C is 1:0.5-0.75:0.5-1.
Preferably, the component B is amino-oligosaccharin and ningnanmycin, and the weight ratio of the amino-oligosaccharin to the ningnanmycin is 1:0.5-3.
More preferably, the weight ratio of the amino-oligosaccharin to the ningnanmycin is 1:1-2.
Preferably, the component C is diethyl aminoethyl hexanoate and zinc sulfate, and the weight ratio of diethyl aminoethyl hexanoate to zinc sulfate is 1:2-6, more preferably 1:3-5.
In the invention, the organic water-soluble fertilizer is a fertilizer commonly used for tobacco growth in the field, preferably, the organic water-soluble fertilizer is prepared by adding nitrogen element, phosphorus element, potassium element, boron element, zinc element and molybdenum element into organic matters, wherein the weight ratio of the nitrogen element, the phosphorus element, the potassium element, the boron element, the zinc element, the molybdenum element to the organic matters is 1:1-2:1-2:0.1-0.5:0.1-0.5:0.1-0.5:3-5, more preferably 1:1-1.5:1-1.5:0.1-0.3:0.1-0.3:0.1-0.3:3-4, the phosphorus element is P 2 O 5 The potassium element is expressed as K 2 O is calculated, and the organic matter is calculated as C.
In the invention, the traditional Chinese medicine fertilizer is a common fertilizer containing Chinese herbal medicines in the field, preferably, the traditional Chinese medicine fertilizer is prepared by adding nitrogen element, phosphorus element, potassium element and boron element into a mixture of Chinese herbal medicine extract, humic acid, biochemical potassium fulvate and organic matters, wherein the weight ratio of the Chinese herbal medicine, humic acid, biochemical potassium fulvate, nitrogen element, phosphorus element, potassium element, boron element and organic matters is 1:2-4:2-4:0.5-0.8:0.5-0.8:0.5-0.8:0.1-0.3:1.5-4, more preferably 1:2-3:2-3:0.5-0.7:0.5-0.7:0.5-0.7:0.1-0.2:1.5-2.5, said phosphorus element being in the form of P 2 O 5 And C, the organic matters are calculated as C.
In the invention, the Chinese herbal medicine is common in the field and is used for tobacco growth, and the Chinese herbal medicine extract is obtained by extracting at least one of tarragon, tripterygium wilfordii, red sage root, safflower, radix stemonae, rheum officinale, nux vomica, honeysuckle, astragalus membranaceus, phellodendron amurense and radix euphorbiae Fischerianae with ethanol. The concentration of the ethanol is 70-80 wt%, and the dosage of the ethanol is 0.4-0.6mL/g of Chinese herbal medicine. The solids content after extraction is 18-25% by weight.
In the invention, the traditional Chinese medicine fertilizer is prepared from Chinese herbal medicines by ethanol extraction and other components after ethanol removal.
Preferably, the Chinese herbal medicine extract is prepared from the following components in percentage by weight: 1-4:2-15:1-10:1-15:1-15:2-10:2-13:2-15:2-10:2-8 of herba Artemisiae Scopariae, radix Tripterygii Wilfordii, radix Salviae Miltiorrhizae, flos Carthami, radix Stemonae, radix et rhizoma Rhei, semen Strychni, flos Lonicerae, radix astragali, cortex Phellodendri and radix Euphorbiae Fischerianae by extracting with ethanol.
In the invention, the organic water-soluble fertilizer and the traditional Chinese medicine fertilizer also need to be added with water before use, and the water content is 40-70 wt%.
In a second aspect the invention provides the use of a composition as described above in the control of tobacco yield.
The present invention will be described in detail by examples.
Table 1 shows the components of organic water-soluble fertilizer and Chinese medicinal fertilizer, and the examples and comparative examples were prepared by mixing the components according to the respective formulations shown in Table 2.
In the following examples, organic water-soluble fertilizers were purchased from Guangxi chemical institute of England, and traditional Chinese medicine fertilizers were purchased from Dehe Biotech Co., ltd. In Shaanxi. The organic carbon content in the organic water-soluble fertilizer and the traditional Chinese medicine fertilizer is measured by adopting a potassium dichromate external heating method, the total nitrogen content is measured by adopting a Kjeldahl nitrogen determination method, the phosphorus is measured by adopting a quinoline phosphomolybdate weight method, the potassium is measured by adopting a potassium tetraphenylborate weight method, the humic acid is measured by adopting a sodium pyrophosphate alkaline extraction method, the pH is measured by adopting a potential method, and the boron is measured by adopting an azomethine colorimetric method; the zinc and molybdenum in the organic water-soluble fertilizer are measured by flame atomic absorption spectrophotometry; the Chinese herbal medicine extracts (tarragon, tripterygium wilfordii, red sage root, safflower, stemona root, rheum officinale, nux vomica, honeysuckle, astragalus membranaceus, phellodendron bark and stellera chamaejasme) in the traditional Chinese medicine fertilizer are measured by an ultraviolet spectrophotometry method according to the weight ratio of 1:1-4:2-15:1-10:1-15:1-15:2-10:2-13:2-15:2-10:2-8, and the main components of the biochemical potassium fulvate are shown in the table 1 according to the volumetric method (wherein the water content is calculated by taking the total mass of materials as a reference, and the rest components are calculated by taking dry matters in the materials as a reference).
TABLE 1
TABLE 2
Note that: the components of the compositions of the examples and comparative examples are added with water in parts by weight on a dry matter basis before use
Comparative example 5
The procedure of example 2 was followed except that the amino-oligosaccharin was replaced with an equal weight (on a dry matter basis) of lentinan, which was purchased from the san Shennong chemical technology Co., ltd.
Comparative example 6
The procedure of example 2 was followed except that the amino-oligosaccharin was replaced with equal weight (on a dry matter basis) of gluco-poiyose, available from the halier pharmaceutical company, inc.
Comparative example 7
The procedure of example 4 was followed except that Ningnanmycin was replaced with an equal weight (on a dry matter basis) of oligosaccharins available from Shandong Bailong, biotech Inc.
Comparative example 8
The procedure of example 4 was followed except that the Ningnanmycin was replaced with equal weight (on a dry matter basis) of matrine, which was purchased from Sianrelin Biotechnology Co.
Comparative example 9
The procedure of example 2 was followed except that the diethyl aminoethyl hexanoate was replaced with an equal weight (on a dry matter basis) of brassinolide, available from atanan luya biotechnology limited.
Comparative example 10
The procedure of example 4 was followed except that zinc sulfate was replaced with equal weight (on a dry basis) of zinc oxide.
Comparative example 11
The procedure of example 2 was followed except that Ningnanmycin was 35 parts by weight in the B-component.
Comparative example 12
The procedure of example 4 was followed except that zinc sulfate in the C component was 45 parts by weight.
Comparative example 13
The procedure of example 2 was followed except that the organic water-soluble fertilizer in the A-component was missing.
Comparative example 14
The procedure of example 4 was followed except that the Chinese herbal fertilizer in the A-component was missing.
Test case
Before transplanting tobacco seedlings, weighing 100g of tobacco sample leaves with tobacco tomato spotted wilt virus, tobacco pepper vein mottle virus, tobacco vein mottle virus and tobacco potato virus Y, adding PBS buffer solution according to the proportion of 1:1, adding a small amount of quartz sand, grinding uniformly, removing residues after grinding, filtering to obtain a virus stock solution, diluting the virus stock solution to the concentration of 20mg/L for inoculation, subpackaging in 2mL centrifuge tubes, and inoculating one tobacco seedling to each centrifuge tube. The inoculation method comprises the following steps: 5g of silicon carbide is sprayed on tobacco leaves to be inoculated, the prepared inoculation liquid is uniformly smeared on the tobacco leaves, and residues on the surfaces of the tobacco leaves are washed clean by clear water after a period of time, so that viruses are guaranteed to be carried in the growth process of tobacco seedlings. The fertilizer and pesticide combination compositions of the above examples and comparative examples were applied to leaf surfaces of 1 mu of tobacco plants in the amounts shown in table 3, with a frequency of twice per crop (applied 0 day and 20 days after tobacco transplanting, respectively), 1000 plants were planted per mu of land, the disease conditions were investigated during the harvest period, the control effect was calculated (table 3), and the flue-cured tobacco yield, the yield value and the upper tobacco yield (table 4) of the examples and comparative examples were measured during the harvest period, the yields being on a dry basis. The tobacco evaluation standard refers to YC/T530-2015, the flue-cured tobacco quality style characteristic sensory evaluation method [ S ], and the quality characteristic index scoring scales 4 and 5 are the cigarettes of the top grade.
Tobacco tomato spotted wilt virus disease and tobacco pepper vein mottle virus disease investigation classification standard:
level 0: disease-free whole plant
Stage 1: top blade deformity;
3 stages: the top blade is deformed and shrunken, and a small amount of irregular necrotic spots appear;
5 stages: deformity or shrinkage of the top leaf or side branch, and a large number of necrotic spots on the top leaf;
7 stages: the top leaf is necrotic, irregular necrotic spots appear on the middle and lower leaves, and the plant is dwarfed;
stage 9: the plants severely die, and the plants obviously dwarf and even die.
Tobacco vein banding mosaic virus disease and tobacco potato Y virus disease survey grading criteria:
level 0: disease-free whole plant
Stage 1: heart She Maiming or slight flowers and leaves, and the disease plant is not obviously dwarfed;
3 stages: 1/3 leaf flowers and leaves are not deformed, or the sick plant is dwarfed to be more than 3/4 of the normal plant height;
5 stages: 1/3-1/2 leaf flower leaf, or few leaves deform, or main vein is blackened, or the sick plant is dwarfed to 2/3-3/4 of the normal plant height;
7 stages: 1/2-2/3 leaf flower and leaf, or deformation or main vein necrosis, or dwarfing of the sick plant into 1/2-2/3 of the normal plant height;
stage 9: the whole plant leaves and flowers are severely deformed or necrotized, or the diseased plant is dwarfed to be more than 1/2 of the normal plant height.
The control effect is calculated by adopting the following two formulas:
disease index = [ (Σ (number of disease stages×representative stage))/(total number of plants×highest representative stage value) ]×100%
Control effect (%) = [ (disease index of blank control group-disease index of treatment group)/disease index of blank control group ] ×100%
TABLE 3 Table 3
Note that: the compositions of the examples and comparative examples are applied in amounts on a dry matter basis that require the addition of water prior to use
TABLE 4 Table 4
| Implementation numbering | Yield (kg/mu) | Yield value (Yuan/mu) | First-class smoke yield (kg/mu) |
| Example 1 | 189.48 | 8214.63 | 82.47 |
| Example 2 | 212.65 | 11254.45 | 121.58 |
| Example 3 | 182.77 | 8147.96 | 87.36 |
| Example 4 | 197.85 | 9058.85 | 108.74 |
| Example 5 | 177.54 | 7145.66 | 79.45 |
| Example 6 | 176.58 | 7481.85 | 68.53 |
| Comparative example 1 | 123.85 | 5214.83 | 65.92 |
| Comparative example 2 | 114.12 | 4789.41 | 48.78 |
| Comparative example 3 | 157.72 | 6327.21 | 54.87 |
| Comparative example 4 | 143.46 | 6014.14 | 49.52 |
| Comparative example 5 | 93.14 | 2154.17 | 31.57 |
| Comparative example 6 | 100.41 | 2412.38 | 35.52 |
| Comparative example 7 | 94.82 | 2235.29 | 29.28 |
| Comparative example 8 | 96.48 | 2641.82 | 33.24 |
| Comparative example 9 | 89.71 | 1927.25 | 28.91 |
| Comparative example 10 | 88.62 | 1937.18 | 27.64 |
| Comparative example 11 | 90.15 | 2015.37 | 26.08 |
| Comparative example 12 | 81.24 | 1874.24 | 27.38 |
| Comparative example 13 | 70.65 | 1458.26 | 24.20 |
| Comparative example 14 | 71.28 | 1582.17 | 21.57 |
As can be seen from the results of tables 3 and 4, the examples within the scope of the composition of the present invention have significantly better effects of controlling tobacco virus diseases and improving the yield of higher-grade cigarettes.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, a number of simple variants of the technical solution of the invention are possible, including combinations of the individual technical features in any other suitable way, which simple variants and combinations should likewise be regarded as being disclosed by the invention, all falling within the scope of protection of the invention.
Claims (4)
1. A composition for controlling tobacco viral diseases, wherein the composition comprises:
and (3) a component A: at least one of organic water-soluble fertilizer and traditional Chinese medicine fertilizer;
and the component B comprises the following components: amino oligosaccharins and ningnanmycin;
and C, component: diethyl aminoethyl hexanoate and zinc sulfate;
wherein the weight ratio of the component A to the component B to the component C is 1-1.5:1:0.75-1.5;
the organic water-soluble fertilizer is obtained by adding nitrogen element, phosphorus element, potassium element, boron element, zinc element and molybdenum element into organic matters, wherein the weight ratio of the nitrogen element, the phosphorus element, the potassium element, the boron element, the zinc element, the molybdenum element to the organic matters is 1:1-2:1-2:0.1-0.5:0.1-0.5:0.1-0.5:3-5, the phosphorus element is P 2 O 5 The potassium element is expressed as K 2 O is calculated, and the organic matter is calculated as C;
the Chinese medicinal fertilizer is prepared from Chinese herbal extract, humic acid, and biochemical yellow rotAdding nitrogen element, phosphorus element, potassium element and boron element into the mixture of potassium acid and organic matters to obtain the Chinese herbal medicine, humic acid, biochemical potassium fulvate, nitrogen element, phosphorus element, potassium element, boron element and organic matters, wherein the weight ratio of the Chinese herbal medicine to the humic acid to the biochemical potassium fulvate is 1:2-4:2-4:0.5-0.8:0.5-0.8:0.5-0.8:0.1-0.3:1.5-4, said phosphorus element being in the form of P 2 O 5 The organic matter is calculated by C;
the weight ratio of the Chinese herbal medicine extract is 1:1-4:2-15:1-10:1-15:1-15:2-10:2-13:2-15:2-10:2-8 of herba Artemisiae Scopariae, radix Tripterygii Wilfordii, saviae Miltiorrhizae radix, carthami flos, radix Stemonae, radix et rhizoma Rhei, semen Strychni, flos Lonicerae, radix astragali, cortex Phellodendri and radix Euphorbiae Fischerianae by extracting with ethanol;
the weight ratio of the amino-oligosaccharin to the ningnanmycin is 1:1, a step of;
the weight ratio of the diethyl aminoethyl hexanoate to the zinc sulfate is 1:2-5.
2. The composition of claim 1, wherein the organic water-soluble fertilizer is prepared by adding nitrogen element, phosphorus element, potassium element, boron element, zinc element and molybdenum element into organic matters, and the weight ratio of the nitrogen element, the phosphorus element, the potassium element, the boron element, the zinc element, the molybdenum element and the organic matters is 1:1-1.5:1-1.5:0.1-0.3:0.1-0.3:0.1-0.3:3-4, the phosphorus element is P 2 O 5 The potassium element is expressed as K 2 O is calculated, and the organic matter is calculated as C.
3. The composition of claim 1, wherein the traditional Chinese medicine fertilizer is prepared by adding nitrogen element, phosphorus element, potassium element and boron element into a mixture of Chinese herbal medicine extract, humic acid, biochemical potassium fulvate and organic matters, wherein the weight ratio of the Chinese herbal medicine, humic acid, biochemical potassium fulvate, nitrogen element, phosphorus element, potassium element, boron element to the organic matters is 1:2-3:2-3:0.5-0.7:0.5-0.7:0.5-0.7:0.1-0.2:1.5-2.5, said phosphorus element being in the form of P 2 O 5 And C, the organic matters are calculated as C.
4. Use of a composition according to any one of claims 1-3 for the control of tobacco yield.
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| CN104522089A (en) * | 2015-01-13 | 2015-04-22 | 姬俊杰 | Green pollution-free plant compound preparation for preventing and treating virus, fungal and bacterial diseases of crops and preparation method and application thereof |
| CN107347915A (en) * | 2017-07-04 | 2017-11-17 | 沈阳农业大学 | A kind of medicament composition for preventing and treating the viroses of plant and its application |
| CN109673646B (en) * | 2019-02-13 | 2023-07-28 | 佛山市海力盈生物科技有限公司 | Antiviral composition containing amino oligosaccharin and application thereof |
| CN109744243A (en) * | 2019-02-15 | 2019-05-14 | 昆明百事德生物化学科技有限公司 | The amino-oligosaccharide compound preparation and preparation method and application for preventing and treating tobacco virus |
| CN112493076A (en) * | 2020-12-15 | 2021-03-16 | 中国烟草总公司重庆市公司酉阳分公司 | Method for preventing and treating tobacco virus diseases |
| CN114467979B (en) * | 2022-01-14 | 2024-01-19 | 云南省烟草公司保山市公司 | Preparation for preventing and treating plant diseases, preparation method thereof and prevention and treatment method |
| CN114773107B (en) * | 2022-05-17 | 2023-05-02 | 云南省烟草公司丽江市公司 | Application of ethylenediamine tetraacetic acid EDTA and liquid organic fertilizer in tobacco disease control |
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