CN104488996A - Method for preparing Bradysia odoriphaga control pesticide - Google Patents
Method for preparing Bradysia odoriphaga control pesticide Download PDFInfo
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Abstract
The invention discloses a method for preparing Bradysia odoriphaga control pesticide, and relates to the field of biological pest killing. The method for preparing the Bradysia odoriphaga control pesticide is characterized in that the raw materials are multiple types of traditional Chinese medicine. Compared with the prior art, the composition for controlling the larvae of chinese chive Bradysia odoriphaga is safe and efficient, the high yield of agricultural products is promoted, and it is achieved that agriculture products are safe and non-toxic.
Description
Technical field
The present invention relates to Biocidal field, be specifically related to a kind of composition and method of making the same preventing and treating olaiphage larva in Chinese Chive.
Background technology
Leek belongs to Liliaceae herbaceos perennial, is numerous citizen, the vegetables that enjoy a lot of common people.And Bradysia fungus gnat (Bradysia odoriphaga Yang et Zhang), the liliaceous vegetables such as main harm leek, shallot, onion, spring onion, garlic, also endanger lettuce, green vegetables, celery etc. once in a while, are one of primary pests of allium vegetables.Its larva harm form: spring, the young stem rot mainly causing leek season in autumn two are rotten, makes fragrant-flowered garlic leaf withered and yellow and dead.The downward activity of larva in summer is eaten into into bulb, and severe one bulb rots, and whole pier leek is dead.
The method of current control olaiphage larva in Chinese Chive is the chemical pesticide such as A Wei bacterium element ﹑ organic phosphor mainly, but there is following defect: 1. olaiphage larva in Chinese Chive is lived in underground, and general agricultural chemicals is difficult to be killed; 2. use the high residue such as acephatemet, nuvacron, highly toxic organophosphorous pesticide is watered and fills with root and kill fragrant-flowered garlic maggot, because a large amount of organophosphorous pesticide can be stayed in leek body by leek root absorption of residual, so be not easy simply to be washed, just make people eat rear generation poisoning.
Also some botanical pesticides have been there are in the market, Main Function mechanism mostly is and uses the virose Chinese medicine of some tools to allocate, though be plant resource, but still do not depart from large poison, there is hidden danger in production and sales, and affect the self-sow of leek, cause decline and the taste deterioration of leek nutritive value.
Summary of the invention
Technical assignment of the present invention is for above the deficiencies in the prior art, provides a kind of composition preventing and treating olaiphage larva in Chinese Chive, on the basis ensureing vermins-proof effect, can promote that again leek grows.
The technical scheme that the present invention solves its technical problem is: a kind of composition preventing and treating olaiphage larva in Chinese Chive, it is characterized in that, comprise the raw material of following part by weight: the Bi roots of grass 10 ~ 35 parts, bitter kettle Lu 15 ~ 65 parts, lycopodium calvatum 40 ~ 10 parts, cloves 30 ~ 80 parts, the root of Chinese wild ginger 20 ~ 75 parts, rattan fiber crops 20 ~ 90 parts, fortune holly fern rhizome 3 ~ 30 parts, osmanthus fourth 2 ~ 40 parts, red halloysite 5 ~ 40 parts, sea lettuce 2 ~ 25 parts, 1 ~ 20 part, dog bone wood, Herba Lycopi 10 ~ 60 parts, centella 2 ~ 8 parts, red back of the body ma 10 ~ 40 parts, crab 73 ~ 20 parts, lycopodium 8 ~ 20 parts, winebibber's grass 8 ~ 60 parts, baccate sedge herb 5 ~ 15 parts, 6 ~ 25 parts, delicate fragrance osmanthus.
Its preparation method can be:
(1) the Bi roots of grass, crab seven, fortune holly fern rhizome, bitter kettle Lu, cloves, the root of Chinese wild ginger, Gui Ding, delicate fragrance osmanthus meal are extracted volatile oil respectively, and mixing for standby use after collecting, the dregs of a decoction are for subsequent use;
(2) dregs of a decoction mixing in lycopodium calvatum, rattan fiber crops, dog bone wood, Herba Lycopi, centella, red back of the body ma, Jiu Xiancao, red halloysite, lycopodium, sea lettuce, baccate sedge herb and step 1 is added the water of 3 times amount, decoct 2 times, each 1 hour, collecting decoction, leave standstill and filter, obtain filtrate for subsequent use;
(3) filtrate will obtained in step 2, adds the emulsifier of 30% and the water of 40% makes microemulsion;
(4) volatile oil obtained in step 1 is sprayed in the microemulsion obtained in step 2, mixing.
The Bi roots of grass in prescription, the nearly ripe or mature fruit cluster of the drying for Piperaceae plant Bi roots of grass Piper longum L..
Bitter kettle Lu is cucurbitaceous plant small gourd Lagenaria siceraria (Molina) Standl var. microcarpa(Naud.) fruit of Hara.
Lycopodium calvatum is the dry herb of lycopsid lycopod Lycopodium japonicum Thunb..
Cloves is the dry flower of plant clove of myrtaceae Eugenia caryophllata Thunb.
The root of Chinese wild ginger is the dry herb of aristolochiaceae plant Herba Asari Asarum heterotropoides Fr. Var.mandshuricum (Max ~ im.) Kitag., Seoul root of Chinese wild ginger Asarum sieboldii Miq.var.seoulense Nakai or magnificent root of Chinese wild ginger Asaru ~ m sieboldii Miq..
Rattan fiber crops, Urticaceae Elatostematis E rattan of plant fiber crops Elatostema laevigatum (Blume) Hassk. (Procris laevigata Blume), with all herbal medicine.
Fortune holly fern rhizome is the rhizome of Dryopteridaceae plant mountain region rhizome of cyrtomium.
Gui Ding is the tender fruit of children of canella Chinese cassia tree Cinnamomum cassia Presl.
Red halloysite is silicates mineral halloysite race halloysite, main containing hydrated aluminium silicate Al4(Si4O10) (OH) 8.4H2O].
Sea lettuce is the frond of Ulvaceae plant sea lettuce Ulva lactuca L, U. pertusa Ulva pertusa Kjellm, sliver sea lettuce Ulva fasciata Delile.
Dog bone wood is the root of madder wort South Mountain flower Prismatomeris tetrandra (Roxb.) k. Schum..
Herba Lycopi is the cauline leaf of labiate lycopus lucidus Lycopus lucidus Tu rcz. var.hirtus Regel.
Centella is the dry herb of samphire centella Centella asiatica (L.) Urb..
Red back of the body ma is the leaf of mussel section mountain waste of flax platymiscium red back of the body mountain waste of flax Alchornea trewioides (Benth.) Muell. ~ Arg.
Crab seven is root-like stock and the root of Liliaceae Smilacina plant tube flower Smilacina japonica Smilacina henryi (Baker) Wang et Tang.
Lycopodium is lycopsid lycopod copodium japonicum Thunb., crowfoot lycopod Lycopodium centro ~ chinense Ching, Spora Lycopodii Palhinhaea cernua(L.) spore of Franco et Vasc. and single fringe lycopod Lycopodium cernuum L..
Winebibber's grass, for Santalaceae plant comes into leaves Thesium chinese Thesium longifolium Turcaz., dew post Thesium chinese Thesium himalense Royle, the herb of Thesium longifolium Hand.-Mazz Thesium longiflorum Hand. ~ Mazz. or Thesium refractum C. A. Meyer Thesium refractum C.A.Mey. or root.
Baccate sedge herb is sedge family carex baccate sedge herb Carex baccans Nees seed.
Delicate fragrance osmanthus is Buxaceae Sarcococca plant open country fan flower Sarcococca ruscifolia Stapf root.
Cassiae nodosae,semen is the seed of leguminous plant chickpea Cicer arietinum L.
Hai Qian is Sargassaceae plant sargassum Sargassum enerve C.Ag., Sargassum henslowianum Sargassum henslowianum C.Ag., sargassum thunbergii Sargassum thunbergii(Mert.) O.Kuntze or Sargassum horneri argassum horneri(Turn.) frond of C. Ag.
Semen Leonuri is the dry mature fruit of labiate siberian motherwort Leonurus japonicus Houtt..
Asparagus fern is Liliaceae asparagus fern Asparagus setaceus (Kunth) Jessop [A. plumosus Baker] block root.
Mussel is Mollusca lamellibranchiata Mytilidae Trachyostracous mussel Mytilus crassitesta Lischke; Mussel M. edulis L.; Perna viridis M. (Chloromya) smaragdinus Chemnitz; Flat top clam Modiolus modiolus (L.); Philippine pushes up clam M. philippinarum Hanley partially, is used as medicine with meat.
Pin sand, be the fines under mill during draw point processed, forge vinegar with fire and quench, porphyrize is used as medicine.Main component is iron, and impurity is iron oxide (hyrate) etc., but the also element such as normal carbon containing, phosphorus, silicon, sulphur.
Compared with prior art, invention has following outstanding beneficial effect:
1, the object of prescription of the present invention not " poisoning " olaiphage larva in Chinese Chive, but driven by the drug ingedient of said medicine, and disturb the growing environment of olaiphage larva in Chinese Chive;
2, the Bi roots of grass, crab seven, fortune holly fern rhizome, bitter kettle Lu, cloves, the root of Chinese wild ginger, Gui Ding, delicate fragrance osmanthus mixed volatilization oil component can expel olaiphage larva in Chinese Chive effectively;
3, the leek inoculation olaiphage larva in Chinese Chive after lycopodium calvatum, rattan fiber crops, dog bone wood, Herba Lycopi, centella, red back of the body ma, the immersion of winebibber's grass mixing water extract take sterile water as blank, 5d corrected mortality 79.93%.
4, the active component Yi Bei Duo Huo Su (MSM) contained in mussel, MSM can reduce olaiphage larva in Chinese Chive secretion silk thread ability;
5, lycopodium, baccate sedge herb, sea lettuce, cassiae nodosae,semen, Hai Qian, Semen Leonuri, asparagus fern, mussel contribute to leek growth, and red halloysite, pin sand provide mineral matter and metal ion;
6, easy to use, safety is high, and safety interval is short, and can not damage surrounding environment.
Embodiment
Below in conjunction with actual conditions, the specific embodiment of the present invention is elaborated.
Embodiment 1
In embodiment 1, bulk drug and part by weight are: the Bi roots of grass 10 parts, bitter kettle Lu 15 parts, lycopodium calvatum 40 parts, cloves 30 parts, the root of Chinese wild ginger 20 parts, rattan fiber crops 20 parts, fortune holly fern rhizome 3 parts, osmanthus fourth 40 parts, red halloysite 5 parts, sea lettuce 2 parts, 1 part, dog bone wood, Herba Lycopi 10 parts, centella 2 parts, red back of the body ma 10 parts, crab 73 parts, lycopodium 8 parts, winebibber's grass 8 parts, baccate sedge herb 15 parts, 25 parts, delicate fragrance osmanthus.
The preparation method of embodiment 1 is:
(1) the Bi roots of grass, crab seven, fortune holly fern rhizome, bitter kettle Lu, cloves, the root of Chinese wild ginger, Gui Ding, delicate fragrance osmanthus meal are extracted volatile oil respectively, and mixing for standby use after collecting, the dregs of a decoction are for subsequent use;
(2) dregs of a decoction mixing in lycopodium calvatum, rattan fiber crops, dog bone wood, Herba Lycopi, centella, red back of the body ma, Jiu Xiancao, red halloysite, lycopodium, sea lettuce, baccate sedge herb and step 1 is added the water of 3 times amount, decoct 2 times, each 1 hour, collecting decoction, leave standstill and filter, obtain filtrate for subsequent use;
(3) filtrate will obtained in step 2, adds the emulsifier of 30% and the water of 40% makes microemulsion;
(4) volatile oil obtained in step 1 is sprayed in the microemulsion obtained in step 2, mixing.
Wherein, the method extracting volatile oil in step 1 can be steam distillation extraction method.
Percentage in described step 3 is with filtrate Weight computation, and emulsifier used is sorbitan monooleate (sorbester p17).
Embodiment 2
In example 2, bulk drug and part by weight are: the Bi roots of grass 35 parts, bitter kettle Lu 65 parts, lycopodium calvatum 10 parts, cloves 80 parts, the root of Chinese wild ginger 75 parts, rattan fiber crops 90 parts, fortune holly fern rhizome 30 parts, osmanthus fourth 2 parts, red halloysite 40 parts, sea lettuce 25 parts, 20 parts, dog bone wood, Herba Lycopi 60 parts, centella 8 parts, red back of the body ma 40 parts, crab 7 20 parts, lycopodium 20 parts, winebibber's grass 60 parts, baccate sedge herb 5 parts, 6 parts, delicate fragrance osmanthus.
The preparation method of embodiment 2 is:
(1) load diafiltration still after being pulverized by above-mentioned raw materials, adding 3 times amount volumetric concentrations is the ethanol of 99%, is heated to 50 DEG C, heats 6 hours, obtains percolate and filter residue;
(2) percolate step 1 obtained injects distillation still, distills to obtain distillate;
(3) after filter residue dealcoholysis step 1 obtained, add 3 times amount soak by water 1 hour, filter, filtrate is concentrated into relative density 1.36(60 DEG C);
(4), after concentrated filtrate spraying dry step 3 obtained, the humus of weight such as to be mixed into, and to spray into step 1 gained distillate, drying and granulating becomes granule.
Embodiment 3
In embodiment 3, bulk drug and part by weight are: the Bi roots of grass 22 parts, bitter kettle Lu 45 parts, lycopodium calvatum 20 parts, cloves 55 parts, the root of Chinese wild ginger 40 parts, rattan fiber crops 55 parts, fortune holly fern rhizome 16 parts, osmanthus fourth 21 parts, red halloysite 22 parts, sea lettuce 13 parts, 10 parts, dog bone wood, Herba Lycopi 35 parts, centella 5 parts, red back of the body ma 25 parts, crab 7 11 parts, lycopodium 14 parts, winebibber's grass 34 parts, baccate sedge herb 10 parts, 15 parts, delicate fragrance osmanthus.
The preparation method of embodiment 3:
(1) the Bi roots of grass, crab seven, fortune holly fern rhizome, bitter kettle Lu, cloves, the root of Chinese wild ginger, Gui Ding, delicate fragrance osmanthus meal are obtained mixed essential oil through supercritical fluid CO2 extraction, the dregs of a decoction are for subsequent use;
(2) dregs of a decoction mixing in lycopodium calvatum, rattan fiber crops, dog bone wood, Herba Lycopi, centella, red back of the body ma, Jiu Xiancao, red halloysite, lycopodium, sea lettuce, baccate sedge herb and step 1 is added the water of 3 times amount, decoct 2 times, each 1 hour, collecting decoction, leave standstill and filter, obtain filtrate for subsequent use;
(3) filtrate will obtained in step 2, adds the propane diols of 10%, mixing, and refrigeration leaves standstill and filters to get filtrate;
(4) filtrate obtained in step 3 is added the mixed essential oil of step 1 gained, mix, 100 DEG C of circulation steam sterilizations 30 minutes, packaging.
Percentage in described step 3 is with filtrate Weight computation.
Embodiment 4
In example 4, bulk drug and part by weight are: the Bi roots of grass 22 parts, bitter kettle Lu 45 parts, lycopodium calvatum 20 parts, cloves 55 parts, the root of Chinese wild ginger 40 parts, rattan fiber crops 55 parts, fortune holly fern rhizome 16 parts, Gui Ding 21 parts, red halloysite 22 parts, sea lettuce 13 parts, 10 parts, dog bone wood, Herba Lycopi 35 parts, centella 5 parts, red back of the body ma 25 parts, crab 7 11 parts, lycopodium 14 parts, winebibber's grass 34 parts, baccate sedge herb 10 parts, 15 parts, delicate fragrance osmanthus, cassiae nodosae,semen 5 parts, alizarin 10 parts of sea, Semen Leonuri 8 parts, asparagus fern 30 parts, mussel 10 parts, 5 parts, pin sand.
The preparation method of embodiment 4:
(1) the Bi roots of grass, crab seven, fortune holly fern rhizome, bitter kettle Lu, cloves, the root of Chinese wild ginger, Gui Ding, delicate fragrance osmanthus meal are extracted volatile oil respectively, and mixing for standby use after collecting, the dregs of a decoction are for subsequent use;
(2) dregs of a decoction in lycopodium calvatum, rattan fiber crops, dog bone wood, Herba Lycopi, centella, red back of the body ma, Jiu Xiancao, red halloysite, lycopodium, sea lettuce, baccate sedge herb, cassiae nodosae,semen, Hai Qian, Semen Leonuri, asparagus fern, mussel, pin sand and step 1 are mixed the filtrate added in step 2, decoct 2 times, each 1 hour, collecting decoction, leave standstill and filter, obtain filtrate for subsequent use;
(3) filtrate will obtained in step 2, adds the emulsifier of 40% and the water of 30% makes microemulsion;
(4) volatile oil obtained in step 1 is sprayed in the microemulsion obtained in step 2, mixing.
Wherein, the method extracting volatile oil in step 1 can be steam distillation extraction method.
Percentage in described step 3 is with filtrate Weight computation.Emulsifier used is polyoxyethylene 20 sorbitan monostearate (polysorbate60).
Embodiment 5
In embodiment 5, bulk drug and part by weight are: the Bi roots of grass 10 parts, bitter kettle Lu 15 parts, lycopodium calvatum 40 parts, cloves 30 parts, the root of Chinese wild ginger 20 parts, rattan fiber crops 20 parts, fortune holly fern rhizome 3 parts, Gui Ding 40 parts, red halloysite 5 parts, sea lettuce 2 parts, 1 part, dog bone wood, Herba Lycopi 10 parts, centella 2 parts, red back of the body ma 10 parts, crab 73 parts, lycopodium 8 parts, winebibber's grass 8 parts, baccate sedge herb 15 parts, 25 parts, delicate fragrance osmanthus, cassiae nodosae,semen 15 parts, alizarin 70 parts of sea, Semen Leonuri 50 parts, asparagus fern 20 parts, mussel 30 parts, 30 parts, pin sand.
The preparation method of embodiment 5 is:
(1) load diafiltration still after being pulverized by above-mentioned raw materials, adding 4 times amount volumetric concentrations is the ethanol of 98%, is heated to 45 DEG C, heats 10 hours, obtains percolate and filter residue;
(2) percolate step 1 obtained injects distillation still, distills to obtain distillate;
(3) after filter residue dealcoholysis step 1 obtained, add 4 times amount soak by water 2 times, each 1 hour, filter, filtrate is concentrated into relative density 1.34(60 DEG C after merging);
(4), after concentrated filtrate spraying dry step 3 obtained, the bentonite of weight such as to be mixed into, and to spray into step 1 gained distillate, granule made by granulator.
Embodiment 6
In embodiment 6, bulk drug and part by weight are: the Bi roots of grass 35 parts, bitter kettle Lu 65 parts, lycopodium calvatum 10 parts, cloves 80 parts, the root of Chinese wild ginger 75 parts, rattan fiber crops 90 parts, fortune holly fern rhizome 30 parts, Gui Ding 2 parts, red halloysite 40 parts, sea lettuce 25 parts, 20 parts, dog bone wood, Herba Lycopi 60 parts, centella 8 parts, red back of the body ma 40 parts, crab 7 20 parts, lycopodium 20 parts, winebibber's grass 60 parts, baccate sedge herb 5 parts, 6 parts, delicate fragrance osmanthus, cassiae nodosae,semen 10 parts, alizarin 40 parts of sea, Semen Leonuri 29 parts, asparagus fern 45 parts, mussel 20 parts, 17 parts, pin sand.
The preparation method of embodiment 6 is:
(1) the Bi roots of grass, crab seven, fortune holly fern rhizome, bitter kettle Lu, cloves, the root of Chinese wild ginger, Gui Ding, delicate fragrance osmanthus meal are obtained mixed essential oil through supercritical fluid CO2 extraction, the dregs of a decoction are for subsequent use;
(2) dregs of a decoction mixing in lycopodium calvatum, rattan fiber crops, dog bone wood, Herba Lycopi, centella, red back of the body ma, Jiu Xiancao, red halloysite, lycopodium, sea lettuce, baccate sedge herb, cassiae nodosae,semen, Hai Qian, Semen Leonuri, asparagus fern, mussel, pin sand and step 1 was added the water soaking of 3 times amount after 12 hours, decoct 2 times, each 1 hour, collecting decoction, leave standstill and filter, obtain filtrate for subsequent use;
(3) filtrate will obtained in step 2, adds the propane diols of 15%, mixing, and 4 DEG C of refrigerations leave standstill and filter to get filtrate;
(4) filtrate obtained in step 1 is added the mixed essential oil of step 1 gained, mix, 100 DEG C of circulation steam sterilizations 30 minutes, packaging.
Percentage in described step 3 is with filtrate Weight computation.
Diafiltration in preparation technology described in embodiment 1 ~ 6, distillation, circulation diafiltration, supercritical fluid CO2 extraction, dealcoholysis, filtrate are concentrated, microemulsion preparation, granule preparation, steam sterilization, technique of the prior art all can be adopted to realize, do not limited by technique, equipment.
Mentioned component efficient combination, complete the task of desinsection fast and effectively, and production cost is low, adopts plant material, and Chun Ran ﹑ are nuisanceless, environmental protection, and the above results is experimental data sufficient proof, and interrelated data is as follows.
One, desk research
1, object and method
1.1 objects:
1.1.1 potted plant: to cultivate a collection of potted plant without insect pest leek in advance, flowerpot diameter 20cm.
1.1.2 worm is tried: the larva gathering Bradysia odoriphaga from the leek planting site of east province Liaocheng City, be placed in the glass culture dish being covered with filter paper moisturizing, make feed with the false stem portion of the red kind of the leek only son and heir, raise continuously in (25 ± 1) DEG C insulating box.The culture dish that timely replacing is clean, and timing adding water keeps suitable humidity.
1.1.3 tested medicament and grouping:
1. chlopyrifos group: chlopyrifos (48% Le Siben missible oil), The Dow Agrosciences, LLC., dilute 1000 times, dosage is 100ml/ mu.
2. test 1 group: embodiment 1 gained agricultural chemicals, dosage is 1.34kg(crude drug)/mu.
3. test 2 groups: embodiment 2 gained agricultural chemicals, dosage is 3.46kg(crude drug)/mu.
4. test 3 groups: embodiment 3 gained agricultural chemicals, dosage is 2.34kg(crude drug)/mu.
5. test 4 groups: embodiment 4 gained agricultural chemicals, dosage is 2.68kg(crude drug)/mu.
6. test 5 groups: embodiment 5 gained agricultural chemicals, dosage is 2.41kg(crude drug)/mu.
7. test 6 groups: embodiment 6 gained agricultural chemicals, dosage is 4.26kg(crude drug)/mu.
8. model group: clear water.
9. blank group: clear water.
1.2 methods:
1.2.1 the potted plant test of pesticide effectiveness: at topsoil near the false stem place of leek, except blank group, every basin connects fragrant-flowered garlic maggot 4 instar larvae 20 of 3 ages in days, stablizes 24h, it is made to pierce in the soil of leek basal part of stem. then with the liquid pouring of having diluted, only to water clear water in contrast.Within after process the 5th day, check survival borer population.Calculate each group of lethality and corrected mortality.
1.2.2 after respectively organizing leek process, the 5th day plant is evaluated.
2, result
1.2.1 potted plant test of pesticide effectiveness result: see the following form,
| Grouping | Lethality (%) | Correct lethality (%) |
| Chlopyrifos group | 100 | 100 |
| Test 1 group | 82.6 | 81.9 |
| Test 2 groups | 91.2 | 88.4 |
| Test 3 groups | 87.1 | 86.4 |
| Test 4 groups | 89.3 | 87.3 |
| Test 5 groups | 83.7 | 82.9 |
| Test 6 groups | 90.5 | 88.5 |
| Model group | 12.8 | - |
| Blank group | - | - |
This shows, use the experiment 1 ~ 6 group of embodiment 1 ~ 6 gained agricultural chemicals to compare with model group, killing effect is extremely obvious.
1.2.2 after respectively organizing leek process, the 5th day plant is evaluated: with blank group for contrast, model group leek plant height, leaf quality obviously decline, and chlopyrifos group and experiment 1 ~ 3 group are compared with blank group, no significant difference.And test 4 ~ 6 groups of plant heights, leaf quality is better than blank group.
Two, field research
1, materials and methods
1.1.1 tested vegetables and region: the leek planting site selecting Liaocheng of Shandong Province.
1.1.2 tested medicament and grouping:
1. chlopyrifos group: chlopyrifos (48% Le Siben missible oil), The Dow Agrosciences, LLC., dilute 1000 times, dosage is 100ml/ mu.
2. 1 group is tested:: embodiment 1 gained agricultural chemicals, dosage is 1.34kg(crude drug)/mu.
3. test 2 groups: embodiment 2 gained agricultural chemicals, dosage is 3.46kg(crude drug)/mu.
4. test 3 groups: embodiment 3 gained agricultural chemicals, dosage is 2.34kg(crude drug)/mu.
5. test 4 groups: embodiment 4 gained agricultural chemicals, dosage is 2.68kg(crude drug)/mu.
6. test 5 groups: embodiment 5 gained agricultural chemicals, dosage is 2.41kg(crude drug)/mu.
7. test 6 groups: embodiment 6 gained agricultural chemicals, dosage is 4.26kg(crude drug)/mu.
8. blank group: clear water.
1.2 methods: after the using method of each experimental group is dilution in early spring leek water before germinateing wherein in leek planting site, measure leek stem drug residue after each dispenser and drop to interval time needed for maximum maximum permission quantity.
2, result
2.1 60d respectively organize control and to be efficiently respectively: chlopyrifos group 99%, test 1 group 88%, test 2 group 96%, test 3 group 95%, test 4 group 94%, test 5 group 91%, test 6 group 98%, compare, there is notable difference with blank group.Between each experimental group and chlopyrifos group, no significant difference (P>0.05).
2.2 safety intervals: through repeatedly measuring, it is 6.8 days that the chlopyrifos residue amount of leek stem drops to maximum maximum permission quantity required time, after the present invention tests 1 ~ 6 group of medication, 12h measures and there is no poisonous remaining, and finds out that the safety interval of prescription of the present invention is significantly shorter than chlopyrifos thus.
Shown by above-mentioned result of study, use the efficient height of insecticide desinsection of prescription of the present invention, its killing ability and chlopyrifos similar, but safety interval is shorter, and nontoxic, and safety is high, can not damage surrounding environment.
It should be noted that; the particular of invention has been described in detail invention; for a person skilled in the art, the various apparent change carried out it when not deviating from the spirit and scope of invention is all within the protection domain of invention.
Claims (1)
1. prevent and treat a preparation method for Bradysia fungus gnat medicine, it is characterized in that, preparation method comprises the following steps:
(1) the Bi roots of grass, crab seven, fortune holly fern rhizome, bitter kettle Lu, cloves, the root of Chinese wild ginger, Gui Ding, delicate fragrance osmanthus meal are extracted volatile oil respectively, and mixing for standby use after collecting, the dregs of a decoction are for subsequent use;
(2) dregs of a decoction mixing in lycopodium calvatum, rattan fiber crops, dog bone wood, Herba Lycopi, centella, red back of the body ma, Jiu Xiancao, red halloysite, lycopodium, sea lettuce, baccate sedge herb and step 1 is added the water of 3 times amount, decoct 2 times, each 1 hour, collecting decoction, leave standstill and filter, obtain filtrate for subsequent use;
(3) filtrate will obtained in step 2, adds the emulsifier of 30% and the water of 40% makes microemulsion;
(4) volatile oil obtained in step 1 is sprayed in the microemulsion obtained in step 2, mixing.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105145488A (en) * | 2015-07-08 | 2015-12-16 | 山东省农业科学院植物保护研究所 | Method for trapping and monitoring Chinese chive maggot larvae |
| CN105409656A (en) * | 2015-11-25 | 2016-03-23 | 泰安市农业科学研究院 | Pollution-free integrated control method for Bradysia odoriphaga |
| CN105475385A (en) * | 2016-01-28 | 2016-04-13 | 济南思拓新源医药科技有限公司 | Method for preparing Chinese-chive-maggot-preventing pesticide through biogas slurry |
| CN106035409A (en) * | 2016-06-03 | 2016-10-26 | 重庆市璧山区两座种养殖农民专业合作社 | Composition for killing Chinese chive maggots |
| PL421949A1 (en) * | 2017-06-20 | 2019-01-02 | Sołtys Józef Przedsiębiorstwo Techniczno-Handlowe Intermark | Preparation for fighting insects and method for applying it |
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| CN102742611A (en) * | 2012-06-21 | 2012-10-24 | 毛松 | Chinese herbal medicine prescription for preventing and curing Chinese chive maggot |
| CN102755581A (en) * | 2012-07-16 | 2012-10-31 | 唐山职业技术学院 | Pharmaceutical composition for treating unstable angina pectoris |
| CN103040995A (en) * | 2012-10-12 | 2013-04-17 | 王春红 | Medicament for treating hashimoto disease |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105145488A (en) * | 2015-07-08 | 2015-12-16 | 山东省农业科学院植物保护研究所 | Method for trapping and monitoring Chinese chive maggot larvae |
| CN105145488B (en) * | 2015-07-08 | 2019-09-06 | 山东省农业科学院植物保护研究所 | A method of it traps and monitors bradysia odoriphaga larva |
| CN105409656A (en) * | 2015-11-25 | 2016-03-23 | 泰安市农业科学研究院 | Pollution-free integrated control method for Bradysia odoriphaga |
| CN105409656B (en) * | 2015-11-25 | 2018-01-30 | 泰安市农业科学研究院 | A kind of Environment-friendly integrated control method of fragrant-flowered garlic maggot |
| CN105475385A (en) * | 2016-01-28 | 2016-04-13 | 济南思拓新源医药科技有限公司 | Method for preparing Chinese-chive-maggot-preventing pesticide through biogas slurry |
| CN105475385B (en) * | 2016-01-28 | 2018-08-17 | 芜湖航天特种电缆厂股份有限公司 | A method of preparing the pesticide of prevention bradysia odoriphaga using biogas slurry |
| CN106035409A (en) * | 2016-06-03 | 2016-10-26 | 重庆市璧山区两座种养殖农民专业合作社 | Composition for killing Chinese chive maggots |
| PL421949A1 (en) * | 2017-06-20 | 2019-01-02 | Sołtys Józef Przedsiębiorstwo Techniczno-Handlowe Intermark | Preparation for fighting insects and method for applying it |
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