CN102511513B - Compound plant bactericide, preparation thereof and application - Google Patents
Compound plant bactericide, preparation thereof and application Download PDFInfo
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- CN102511513B CN102511513B CN201110383524.XA CN201110383524A CN102511513B CN 102511513 B CN102511513 B CN 102511513B CN 201110383524 A CN201110383524 A CN 201110383524A CN 102511513 B CN102511513 B CN 102511513B
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Abstract
The invention discloses a compound plant bactericide, a preparation thereof and application. The bactericide is composed of, by weight, 40-80% of raw material chemicals and 20%-60% of conventional auxiliary materials. The raw material chemicals comprise the components including, by weight, 5-40% of cinnamomum camphora extract, 5-40% of tomato extract, 2-30% of chenopodium serotinum extract and 2-30% of solanum nigrum extract. The compound plant bactericide is efficient, free of residue, low in production cost, economical, practical, environment-friendly and good in combination property, adopts agricultural wastes, has no environmental pollution problems, and is a pollution-free, botanical and biological pesticide.
Description
Technical field
The present invention relates to a kind of bactericide of technical field of pesticide, concrete relate to a kind of compound plant bactericide that contains fragrant camphor tree and preparation and application.
Background technology
Agricultural chemicals is to controlling agricultural pest, ensureing that agricultural production and income plays an important role.In order to improve the mankind's living environment quality and food quality, countries in the world are all in the research that reduces chemical pesticide consumption, the developing direction of agricultural chemicals from high poison, high residue, grow persistent synthetic chemistry agricultural chemicals and turn to the biopesticide of high security, low-residual, nuisanceless, high bioactivity, high selectivity.Wherein, from plant, find the material with bacteriostatic activity, become an important channel of current new type bactericide initiative.In addition, arbitrarily abandoning of current a large amount of agricultural wastes, not only cause the idle and waste of ample resources, but also cause certain burden to environment, therefore, realize recycling of agriculture waste resource, fully idle resource is brought into play to its due society and economy and be worth, realizing sustainable development becomes the direction of Current Agricultural Development.
Summary of the invention
Being of the object of the invention: for prior art above shortcomings, provide that a kind of efficient, noresidue, production cost are low, economical and practical, environmental friendliness, high comprehensive performance, include agricultural wastes in interior compound plant bactericide and preparation and application.
The present invention is achieved by the following technical solutions:
The invention provides a kind of compound plant bactericide, be made up of bulk drug (40～80%) and conventional auxiliary material (20%～60%), the weight percentage of its bulk drug component and shared bulk drug total amount thereof is: fragrant Cinnomomum Sps. Extract 5～40%, tomato extract 5～40%, little lamb's-quarters extract 2～30%, black nightshade extract 2～30%.
Described fragrant camphor tree (Cinnamomum camphora (L.) Presl.) is taken from fragrant camphor tree while pruning or the discarded stem, leaf, flower, fruit or its mixture that naturally come off.Described fragrant Cinnomomum Sps. Extract is to clay into power after fragrant camphor tree is dried, then through lixiviate, filters, and reduced pressure concentration obtains.
Described tomato (Solanum melongena L.) is taken from tomato and prunes or gather in the crops rear discarded stem, leaf or root; Described tomato extract is to clay into power after tomato is dried, then through lixiviate, filters, and reduced pressure concentration obtains.
Described little lamb's-quarters (Chenopodium serotinum L.) is taken from stem, leaf or the root of little lamb's-quarters; Described little lamb's-quarters extract is to clay into power after little lamb's-quarters is dried, then through lixiviate, filters, and reduced pressure concentration obtains.
Described black nightshade (Solanum nigrum L.) is taken from stem, leaf or the root of black nightshade.Described black nightshade extract is to clay into power after black nightshade is dried, then through lixiviate, filters, and reduced pressure concentration obtains.
Described conventional auxiliary material, refers to solubilizer (tween, polyethylene glycol, neopelex, Potassium dodecylbenzenesulfonate etc.), emulsifier (odium stearate, lauryl sodium sulfate, APEO etc.) and/or suspending agent, synergist (Tea Saponin etc.), the bleeding agent (emulsifier BP etc.) etc. that can promote extract to dissolve or suspend.
The present invention relates to the preparation method of above-mentioned compound plant bactericide, discarded stem, leaf, flower, fruit or its mixture that is when respectively fragrant camphor tree being pruned or naturally come off and tomato is pruned or results discarded stem, leaf or root afterwards, stem, leaf or the root of little lamb's-quarters and the stem of black nightshade, leaf or root are clayed into power after drying, again using ethanolic solution as extraction solvent, lixiviate, filter, filtrate adopts the method for reduced pressure concentration to obtain respectively medicinal extract, and then add conventional auxiliary material, make compound plant bactericide of the present invention.
Described oven dry refers to: at 30-50 DEG C, dry;
Described powder refers to: 20-40 object particulate powder;
Described ethanol refers to ethanolic solution or the absolute ethyl alcohol of 10%-95%v/v, and the 10-20 that its consumption is powder quality doubly.
Described lixiviate, its time is 1-7 days.
Described reduced pressure concentration refers to: the crude extract obtaining after lixiviate is vacuumized to decompression to-0.1 atmospheric pressure and is placed in water-bath at 30-80 DEG C, make crude extract simmer down to medicinal extract.
The present invention relates to the application of above-mentioned compound plant bactericide, refer to: under stirring at normal temperature, water is added in compound plant bactericide, making it be diluted to compound plant extract is that bulk drug accounts for after the concentration of 0.5-5wt% and sprays and use.
Compound plant bactericide of the present invention can be applied in the common disease aspects such as control fruit, vegetables, wheat, paddy rice, and the disease of concrete control comprises: the scab of apple, pears, peach, anthracnose, brown spot, ring spot etc.; The powdery mildew of grape, watermelon, cucumber, muskmelon, downy mildew, anthracnose etc.; Wheat powdery mildew; Rice blast, banded sclerotial blight etc.; The powdery mildews of vegetables, vertical withered, downy mildew, anthracnose etc.
The present invention has the following advantages compared with the prior art:
(1) between the primary raw material of composition product of the present invention, synergy on the one hand can strengthen bactericidal effect, and the pesticide resistance that can delay medicament due to the acting in conjunction of the active ingredient of the different mechanisms of action on the other hand produces.
(2) raw material be easy to get, process simple, low for equipment requirements, be extremely beneficial to suitability for industrialized production, and solvent after reclaiming also can reuse.Four Plants raw material has plantation in the most of place of China, and fragrant camphor tree of the present invention and tomato all belong to agricultural wastes, in addition, little lamb's-quarters and black nightshade are all also weeds, and therefore, the present invention has realized the recycling of resource, avoid secondary pollution, be conducive to agriculture sustainable development.
(3) this bactericide derives from natural plant extracts, is easy under field conditions (factors) decompose, and to environment and ecosystem safety around, there is no problem of environmental pollution, is a kind of pollution-free plant source biological bactericide.
Embodiment
Below embodiments of the invention are elaborated; taking bactericidal agent for preventing and treating cucumber anthracnose of the present invention as example; the effect of controlling plant diseases of the present invention is described; the present embodiment is implemented under taking technical solution of the present invention as prerequisite; detailed embodiment and concrete operating process are provided; conventional auxiliary material is selected tween, but protection scope of the present invention is not limited to following embodiment.
In following examples, conventional auxiliary material is taking tween as example, should be understood that, conventional auxiliary material can adopt other solubilizer (tween, polyethylene glycol, neopelex, Potassium dodecylbenzenesulfonate etc.), emulsifier (odium stearate, lauryl sodium sulfate, APEO etc.) and/or the suspending agent that can promote extract dissolving or suspension, synergist (Tea Saponin etc.), bleeding agent (emulsifier BP etc.) etc. equally.Other unaccounted conditions operate according to general common technology.
Embodiment 1
The compound plant bactericide that bulk drug 80% and conventional auxiliary material 20% form
When taking respectively fragrant camphor tree and pruning or the discarded stem naturally coming off, leaf, flower, fruit or its mixture and tomato are pruned or the rear discarded stem of results, leaf or root, the stem of little lamb's-quarters, the stem of leaf or root and black nightshade, the powder (20 order particle) of leaf or root is total to 100g, and (wherein fragrant camphor tree accounts for 40%, tomato 5%, little lamb's-quarters 25%, black nightshade 30%), flood 2d in room temperature with 70% ethanolic solution 500ml, filter, the filtrate decompression concentration and recovery solvent of getting Four Plants obtains extracting medicinal extract, then add weight to account for the tween of whole compound plant bactericide 20%, stir according to common process, it is mixed, make compound plant bactericide.And then dilute with water, be mixed with the compound plant bactericide that bulk drug concentration is 2wt%.This compound plant bactericide is carried out to indoor pot method to cucumber anthracnose and measure, method is carried out according to the raw potted plant determination method of melon anthracnose of surveying in SOP in the southern agricultural chemicals initiative of country center.
Test concrete grammar: the method that adopts cauline leaf spraying by medicament even spraying on cucumber seedling; Set the not blank of adding medicine simultaneously; 24h dries in the shade examination material in fume hood or greenhouse.The melon anthracnose germ of 24h left and right spray inoculation spore suspension after chemicals treatment, 4 repetitions of every processing.Postvaccinal examination material moves to the moisturizing (RH100%) of obmubing in thermostatic chamber humidistat and brings out, after 24 hours, again melon seedling is shifted out to humidistat, move on the shelf of light-illuminating (2000 lux intensity of illumination), five days " Invest, Then Investigate " disease severity, with blank comparison, calculate control efficiency.Investigate each processing, its preventive effect is 85%.
Embodiment 2
The compound plant bactericide that bulk drug 70% and conventional auxiliary material 30% form
When taking respectively fragrant camphor tree and pruning or the discarded stem naturally coming off, leaf, flower, fruit or its mixture and tomato are pruned or the rear discarded stem of results, leaf or root, the stem of little lamb's-quarters, the stem of leaf or root and black nightshade, the powder (20 order particle) of leaf or root is total to 200g, and (wherein fragrant camphor tree accounts for 5%, tomato 40%, little lamb's-quarters 30%, black nightshade 25%), at room temperature flood 3d with 50% ethanolic solution 2000ml, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, then add weight to account for the tween of whole compound plant bactericide 30%, stir according to common process, it is mixed, make compound plant bactericide.And then dilute with water, be mixed with the compound plant bactericide that bulk drug concentration is 4wt%.Adopt indoor pot method to give birth to survey to cucumber anthracnose, after result of the test statistics, draw, its preventive effect is 88.5%.
Embodiment 3
The compound plant bactericide that bulk drug 40% and conventional auxiliary material 60% form
When taking respectively fragrant camphor tree and pruning or the discarded stem naturally coming off, leaf, flower, fruit or its mixture and tomato are pruned or the rear discarded stem of results, leaf or root, the stem of little lamb's-quarters, the stem of leaf or root and black nightshade, the powder (20 order particle) of leaf or root is total to 200g, and (wherein fragrant camphor tree accounts for 35%, tomato 33%, little lamb's-quarters 30%, black nightshade 2%), at room temperature flood 1d with 30% ethanolic solution 1500ml, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, then add weight to account for the conventional auxiliary material of whole compound plant bactericide 60% according to common process, make compound plant bactericide.And then dilute with water, be mixed with the compound plant bactericide that bulk drug concentration is 3wt%.Adopt indoor pot method to give birth to survey to cucumber anthracnose, after result of the test statistics, draw, its preventive effect is 83.3%.
Embodiment 4
The compound plant bactericide of bulk drug 40～80% and conventional auxiliary material 20%～60% composition
When taking respectively fragrant camphor tree and pruning or the discarded stem naturally coming off, leaf, flower, fruit or its mixture and tomato are pruned or the rear discarded stem of results, leaf or root, the stem of little lamb's-quarters, the stem of leaf or root and black nightshade, leaf or root powder (30 order particle) altogether 200g (wherein fragrant camphor tree accounts for 38%, tomato 30%, little lamb's-quarters 2%, black nightshade 30%), at room temperature flood 4d with 60% ethanolic solution 2000ml, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, then add weight to account for the conventional auxiliary material of whole compound plant bactericide 20%-60% according to common process, make compound plant bactericide.And then dilute with water, the compound plant bactericide that is mixed with bulk drug concentration and is 3wt% is adopted the experiment of community, field with reference to national agricultural chemicals field trial criterion cucumber anthracnose is carried out to field control effectiveness test, statistical results after 7 days, and preventive effect reaches 86.8%.
Embodiment 5
The compound plant bactericide of bulk drug 40～80% and conventional auxiliary material 20%～60% composition
When taking respectively fragrant camphor tree and pruning or the discarded stem naturally coming off, leaf, flower, fruit or its mixture and tomato are pruned or the rear discarded stem of results, leaf or root, the stem of little lamb's-quarters, the stem of leaf or root and black nightshade, the powder (30 order particle) of leaf or root is total to 300g, and (wherein fragrant camphor tree accounts for 25%, tomato 25%, little lamb's-quarters 25%, black nightshade 25%), at room temperature flood 7d with 90% ethanolic solution 2000ml, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, then add weight to account for the conventional auxiliary material of whole compound plant bactericide 20%-60% according to common process, make compound plant bactericide.And then dilute with water, the compound plant bactericide that is mixed with bulk drug concentration and is 1wt% is adopted the experiment of community, field with reference to national agricultural chemicals field trial criterion cucumber anthracnose is carried out to field control effectiveness test, statistical results after 7 days, and preventive effect reaches 82.3%.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Read after foregoing those skilled in the art, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. the application of a compound plant bactericide, it is characterized in that described bactericide is for preventing and treating cucumber anthracnose, the bulk drug that described bactericide is 40～80% by weight percentage and weight percentage are that 20%～60% conventional auxiliary material forms, and the weight percentage of wherein said bulk drug component and shared bulk drug total amount thereof is: fragrant Cinnomomum Sps. Extract 5～40%, tomato extract 5～40%, little lamb's-quarters extract 2～30%, black nightshade extract 2～30%;
Described fragrant camphor tree is taken from fragrant camphor tree while pruning or the discarded stem, leaf, flower, fruit or its mixture that naturally come off, and described fragrant Cinnomomum Sps. Extract is clay into power after will fragrant camphor tree drying, then through alcohol steep, filtration, reduced pressure concentration obtains;
Described tomato is taken from tomato and prunes or gather in the crops rear discarded stem, leaf or root, and described tomato extract is after tomato oven dry, to clay into power, then through alcohol steep, filters, and reduced pressure concentration obtains;
Described little lamb's-quarters is taken from stem, leaf or the root of little lamb's-quarters, and described little lamb's-quarters extract is to clay into power after little lamb's-quarters is dried, then through alcohol steep, filters, and reduced pressure concentration obtains;
Described black nightshade is taken from stem, leaf or the root of black nightshade, and described black nightshade extract is to clay into power after black nightshade is dried, then through alcohol steep, filters, and reduced pressure concentration obtains.
2. the application of compound plant bactericide according to claim 1, it is characterized in that: when respectively fragrant camphor tree pruning or the discarded stem, leaf, flower, fruit or its mixture that naturally come off and tomato is pruned or results discarded stem, leaf or root afterwards, stem, leaf or the root of little lamb's-quarters and the stem of black nightshade, leaf or root are clayed into power after drying, again using ethanolic solution as extraction solvent, lixiviate, filter, filtrate adopts the method for reduced pressure concentration to obtain respectively medicinal extract, and then add conventional auxiliary material, make compound plant bactericide.
3. the application of compound plant bactericide according to claim 2, is characterized in that: described oven dry refers to: at 30-50 DEG C, dry.
4. according to the application of the compound plant bactericide described in claim 2 or 3, it is characterized in that: described powder refers to: 20-40 object particulate powder.
5. according to the application of the compound plant bactericide described in claim 2 or 3, it is characterized in that: described lixiviate, its time is 1-7 days.
6. according to the application of the compound plant bactericide described in claim 2 or 3, it is characterized in that: described ethanol refers to ethanolic solution or the absolute ethyl alcohol of 10%-95%v/v, the 10-20 that its consumption is powder quality doubly.
7. according to the application of the compound plant bactericide described in claim 2 or 3, it is characterized in that: described reduced pressure concentration refers to: the crude extract obtaining after lixiviate is vacuumized to decompression to-0.1 atmospheric pressure and is placed in water-bath at 30-80 DEG C, make crude extract simmer down to medicinal extract.
8. the application of compound plant bactericide according to claim 1, is characterized in that: under stirring at normal temperature, water is added in compound plant bactericide, making it be diluted to compound plant extract is that bulk drug accounts for after the concentration of 0.5-5wt% and sprays and use.
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| CN201110383524.XA CN102511513B (en) | 2011-11-25 | 2011-11-25 | Compound plant bactericide, preparation thereof and application |
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| CN201110383524.XA CN102511513B (en) | 2011-11-25 | 2011-11-25 | Compound plant bactericide, preparation thereof and application |
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| CN102511513B true CN102511513B (en) | 2014-08-06 |
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| CN103271100B (en) * | 2013-06-14 | 2015-06-17 | 南京中医药大学 | Camphor fruit extract provided with activity resistant to crop pathogenic fungus, as well as preparation method and application of camphor fruit extract |
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| CN103907648B (en) * | 2014-03-25 | 2015-10-14 | 上海交通大学 | A kind of Synthesis and applications preventing and treating the compound plant bactericide of plant downy mildew |
| CN105028506A (en) * | 2015-06-27 | 2015-11-11 | 蚌埠市双墩农业生物科技开发有限责任公司 | Composition for preventing and controlling leaf spot disease of pumpkin |
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| CN105309503A (en) * | 2015-11-18 | 2016-02-10 | 无锡市稼宝药业有限公司 | Botanical fungicide for anthracnose |
| CN105309512B (en) * | 2015-11-27 | 2018-03-30 | 辽宁科技大学 | A kind of complex biological agricultural chemicals for preventing and treating fibert powdery mildew and preparation method thereof |
| CN105851066B (en) * | 2016-05-04 | 2018-07-13 | 北京联合大学 | A kind of natural bactericidal agent and preparation method thereof of prevention peach scab |
| CN108456526A (en) * | 2017-02-20 | 2018-08-28 | 中国科学院沈阳应用生态研究所 | A method of renovation agent restoration of soil polluted by heavy metal is strengthened using the reinforcing renovation agent and its utilization of super enriching plant black nightshade |
| CN107996626A (en) * | 2017-11-02 | 2018-05-08 | 王小刚 | A kind of combined bactericide containing tomato stem-leaf extract and preparation method thereof |
| CN107864788A (en) * | 2017-12-18 | 2018-04-03 | 罗城仫佬族自治县明亿农业开发农民专业合作社 | The prevention and controls of tea oil tree sooty mould |
| CN108558499B (en) * | 2018-04-09 | 2021-07-13 | 山东省农业科学院农业资源与环境研究所 | Compound preparation containing edible fungus residue extract and used for melon crops |
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