CN106900779A - The application of seed of Job's tears shell and seed of Job's tears kind bark extract in Panagrellus redivivus are suppressed and combinations thereof and preparation method - Google Patents
The application of seed of Job's tears shell and seed of Job's tears kind bark extract in Panagrellus redivivus are suppressed and combinations thereof and preparation method Download PDFInfo
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- CN106900779A CN106900779A CN201710113061.2A CN201710113061A CN106900779A CN 106900779 A CN106900779 A CN 106900779A CN 201710113061 A CN201710113061 A CN 201710113061A CN 106900779 A CN106900779 A CN 106900779A
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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
- 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
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
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Abstract
The invention discloses the application of seed of Job's tears shell and seed of Job's tears kind bark extract in Panagrellus redivivus are suppressed, and a kind of composition for suppressing Panagrellus redivivus and preparation method thereof is also disclosed, the composition includes the raw material of following weight portion：10~15 parts of 15~20 parts of seed of Job's tears shell and seed of Job's tears kind skin.Seed of Job's tears shell of the invention and seed of Job's tears kind bark extract have lethal effect higher to Panagrellus redivivus, and 24 hours nemic death rates are up to 100%；Panagrellus redivivus ovum chorion can be destroyed, has stronger inhibitory action to the normal incubation of worm's ovum；The activity of the Panagrellus redivivus in soil can be suppressed, hence it is evident that reduce the Panagrellus redivivus quantity in soil, improve soil quality, the yield of larger raising plant.
Description
Technical field
Answered in the full tooth of suppression the present invention relates to Agricultural pest control field, more particularly to seed of Job's tears shell and seed of Job's tears kind bark extract
In living nematode using and combinations thereof and preparation method.
Background technology
In recent years, due to the continuous expansion of continuous cropping booth vegetable area, and medication not science, cause Panagrellus redivivus
Developmenting spread speed, resistance enhancing.Crop death rate is continuously increased, and so as to cause crop Severe Reduction, quality is reduced,
Through having had a strong impact on production estimation.By taking cucumber as an example, root knot Panagrellus redivivus disease occur canopy room death rate it is general 20~
50%, the canopy of ruining of most serious has no harvest.The a large amount of occurrence causes of the reason for root knot Panagrellus redivivus occur Panagrellus redivivus：Largely
Using highly toxic pesticide pouring root, crop root is not only destroyed, but also destroy root system beneficial microorganism existence ring in soil
Border, breaks soil balance, causes vicious circle, causes Panagrellus redivivus increasingly severe.
The content of the invention
In view of this, the invention provides seed of Job's tears shell and the answering in Panagrellus redivivus are suppressed of seed of Job's tears kind bark extract
With while proposing a kind of composition for suppressing Panagrellus redivivus and preparation method thereof.
The technological means that the present invention is used is as follows：Seed of Job's tears shell and seed of Job's tears kind bark extract are in Panagrellus redivivus are suppressed
Using.
Further, it is applied to a kind of composition for suppressing Panagrellus redivivus.
It is a kind of suppress Panagrellus redivivus composition, including following weight portion raw material：15~20 parts of seed of Job's tears shell and the heart of a lotus seed
10~15 parts of rice kind skin.
Further, the raw material of the composition for suppressing Panagrellus redivivus, including following weight portion：18 parts of seed of Job's tears shell
With 13 parts of seed of Job's tears kind skin.
The preparation method of the composition of described suppression Panagrellus redivivus, comprises the following steps：
S1, crushing：Seed of Job's tears shell, seed of Job's tears kind skin are crushed, powder crosses 20~100 mesh sieves；
S2, immersion：Seed of Job's tears shell, seed of Job's tears kind skin are put into 3~8 times of organic acid solns of weight and are soaked, soaking temperature is
30~40 degree, soak 20~24 hours；
S3, refluxing extraction：Seed of Job's tears kind skin acetone reflux is extracted 2~4 times, is extracted 3~4 hours every time, and filtering merges the heart of a lotus seed
Rice kind skin filtrate；
S4, extraction：Seed of Job's tears shell chloroform extraction 2~3 times, extraction temperature is 40~50 DEG C, 2~3 is extracted every time small
When, filtering merges seed of Job's tears shell filtrate；
S5, allotment：Seed of Job's tears kind skin filtrate and seed of Job's tears shell filtrate are put into agitated kettle, mixing speed is 80~100r/
Min, stirs 30~40 minutes, obtains the mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin；
S6, concentration：The rotated evaporator of mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin is concentrated and collects concentrate；
S7, second extraction：Concentrate is dissolved in hydrochloric acid solution, with petroleum ether extraction 2~4 times, extract is collected simultaneously
Medicinal extract is obtained after being evaporated, seed of Job's tears shell and seed of Job's tears kind bark extract is obtained final product.
Further, in the step S2, the organic acid soln is 8~10g/L acetums.
Further, in the step S2, soaking temperature is 35 degree, is soaked 20 hours.
Further, in the step S3, seed of Job's tears kind skin is extracted 3 times with acetone reflux, and each addition of acetone is 10
Measure again, extract 3 hours every time, filtering, merging seed of Job's tears kind skin filtrate.
Further, in the step S4, seed of Job's tears shell chloroform extraction 3 times, extraction temperature is 45 DEG C, chloroform
Each addition for 8 times amount, every time extract 2 hours, filtering, merge seed of Job's tears shell filtrate.
Further, in the step S7, the concentration of hydrochloric acid solution is 1~2mol/L.
Beneficial effect：Seed of Job's tears shell of the invention and seed of Job's tears kind bark extract there is killing higher to make Panagrellus redivivus
With, 24 hours nemic death rates up to 100%；Seed of Job's tears shell and seed of Job's tears kind bark extract can destroy Panagrellus redivivus ovum chorion, right
The normal incubation of worm's ovum has stronger inhibitory action.Seed of Job's tears shell and seed of Job's tears kind bark extract that the present invention is provided, can suppress soil
The activity of the Panagrellus redivivus in earth, hence it is evident that reduce the Panagrellus redivivus quantity in soil, improves soil quality, larger to carry
The yield of plant high.After seed of Job's tears shell of the invention and seed of Job's tears kind bark extract can be placed for a long time, and retain strong insecticidal effect.
And through experiment understand, the present invention provide seed of Job's tears shell and seed of Job's tears kind bark extract can suppress Panagrellus redivivus in application,
Can be applied to a kind of composition for suppressing Panagrellus redivivus activity.
Specific embodiment
Principle of the invention and feature are described below, illustrated embodiment is served only for explaining the present invention, is not intended to
Limit the scope of the present invention.
Embodiment 1
It is a kind of suppress Panagrellus redivivus composition, including following weight portion raw material：15 parts of seed of Job's tears shell and seed of Job's tears kind
10 parts of skin.
Embodiment 2
It is a kind of suppress Panagrellus redivivus composition, including following weight portion raw material：20 parts of seed of Job's tears shell and seed of Job's tears kind
15 parts of skin.
Embodiment 3
It is a kind of suppress Panagrellus redivivus composition, including following weight portion raw material：18 parts of seed of Job's tears shell and seed of Job's tears kind
13 parts of skin.
The preparation method of the composition of the suppression Panagrellus redivivus described in above-described embodiment 1~3, comprises the following steps：
The preparation method of the composition of described suppression Panagrellus redivivus, comprises the following steps：
S1, crushing：Seed of Job's tears shell, seed of Job's tears kind skin are crushed, powder crosses 50 mesh sieves；
S2, immersion：Seed of Job's tears shell, seed of Job's tears kind skin powder are put into 5 times of 10g/L acetums of weight and are soaked, immersion temperature
It is 35 degree to spend, and is soaked 20 hours.
S3, refluxing extraction：Step S2 seeds of Job's tears kind skin soak is extracted 3 times with acetone reflux, is extracted 3 hours every time, mistake
Filter, merges seed of Job's tears kind skin filtrate；
S4, extraction：By step S2 seed of Job's tears shell soaks chloroform extraction 3 times, extraction temperature is 45 DEG C, every time extraction
2 hours, filtering merged seed of Job's tears shell filtrate；
S5, allotment：Seed of Job's tears kind skin filtrate and seed of Job's tears shell filtrate are put into agitated kettle, mixing speed is 90r/min, stirred
35 minutes, obtain the mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin；
S6, concentration：The rotated evaporator of mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin is concentrated and collects concentrate；
S7, second extraction：Concentrate is dissolved in 1mol/L hydrochloric acid solutions, with petroleum ether extraction 3 times, extract is collected
And medicinal extract is obtained after being evaporated, obtain final product seed of Job's tears shell and seed of Job's tears kind bark extract.
Embodiment 4
It is a kind of suppress Panagrellus redivivus composition, including following weight portion raw material：18 parts of seed of Job's tears shell and seed of Job's tears kind
13 parts of skin.
S1, crushing：Seed of Job's tears shell, seed of Job's tears kind skin are crushed, powder crosses 20 mesh sieves；
S2, immersion：Seed of Job's tears shell, seed of Job's tears kind skin powder are put into 8 times of 8g/L acetums of weight and are soaked, soaking temperature
It is 30 degree, soaks 24 hours.
S3, refluxing extraction：Step S2 seeds of Job's tears kind skin soak is extracted 2 times with acetone reflux, is extracted 4 hours every time, mistake
Filter, merges seed of Job's tears kind skin filtrate；
S4, extraction：By step S2 seed of Job's tears shell soaks chloroform extraction 3 times, extraction temperature is 40 DEG C, every time extraction
3 hours, filtering merged seed of Job's tears shell filtrate；
S5, allotment：Seed of Job's tears kind skin filtrate and seed of Job's tears shell filtrate are put into agitated kettle, mixing speed is 80r/min, stirred
30 minutes, obtain the mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin；
S6, concentration：The rotated evaporator of mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin is concentrated and collects concentrate；
S7, second extraction：Concentrate is dissolved in 1mol/L hydrochloric acid solutions, with petroleum ether extraction 2 times, extract is collected
And medicinal extract is obtained after being evaporated, obtain final product seed of Job's tears shell and seed of Job's tears kind bark extract.
Embodiment 5
It is a kind of suppress Panagrellus redivivus composition, including following weight portion raw material：18 parts of seed of Job's tears shell and seed of Job's tears kind
13 parts of skin.
The preparation method of the composition of described suppression Panagrellus redivivus, comprises the following steps：
S1, crushing：Seed of Job's tears shell, seed of Job's tears kind skin are crushed, powder crosses 100 mesh sieves；
S2, immersion：Seed of Job's tears shell, seed of Job's tears kind skin powder are put into 3 times of 10g/L acetums of weight and are soaked, immersion temperature
It is 40 degree to spend, and is soaked 22 hours.
S3, refluxing extraction：Step S2 seeds of Job's tears kind skin soak is extracted 4 times with acetone reflux, is extracted 3 hours every time, mistake
Filter, merges seed of Job's tears kind skin filtrate；
S4, extraction：By step S2 seed of Job's tears shell soaks chloroform extraction 2 times, extraction temperature is 50 DEG C, every time extraction
2 hours, filtering merged seed of Job's tears shell filtrate；
S5, allotment：Seed of Job's tears kind skin filtrate and seed of Job's tears shell filtrate are put into agitated kettle, mixing speed is 100r/min, is stirred
Mix 40 minutes, obtain the mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin；
S6, concentration：The rotated evaporator of mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin is concentrated and collects concentrate；
S7, second extraction：Concentrate is dissolved in 2mol/L hydrochloric acid solutions, with petroleum ether extraction 4 times, extract is collected
And medicinal extract is obtained after being evaporated, obtain final product seed of Job's tears shell and seed of Job's tears kind bark extract.
Comparative example 1
Comparative example 1 is with the difference of embodiment 3, and the step S1 is not soaking after crushing, direct refluxing extraction or
Extraction.
Comparative example 2
Comparative example 1 is with the difference of embodiment 3, not concentrated after the step S5 allotments, directly carries out second extraction.
First, seed of Job's tears shell and seed of Job's tears kind bark extract suppress Panagrellus redivivus activity test
1st, Panagrellus redivivus are prepared：Panagrellus redivivus are inoculated on solid medium, are preserved after activated treatment
It is standby in 4 DEG C of refrigerators；Required nematode is washed out with the graceful funnel method of shellfish, is placed in 5ml centrifuge tubes, plus the aseptic water washings of 5ml, instantaneously
Centrifugation, abandons supernatant, is repeated 5 times and obtains clean for examination nematode, nematode is diluted into the nematode that content is 15/μ l with sterilized water and is hanged
Supernatant liquid；
2nd, the aqueous solution of seed of Job's tears shell and seed of Job's tears kind bark extract is prepared：By embodiment 1~6 and the seed of Job's tears shell of comparative example 1~2
With the seed of Job's tears kind bark extract water is dissolved in by 10g/L；
3rd, Panagrellus redivivus experiment is killed：The soil of pollution-free nematode is selected, is divided into 7 parts of soil, every part of soil 1m3, connect
Enter Panagrellus redivivus about 500, Example 1~5 and the corresponding 1L seeds of Job's tears shell of comparative example 1~2 and seed of Job's tears kind skin are extracted respectively
The aqueous solution of thing is uniformly spilled into each part 1m3In soil；12h is observed once, and Continuous Observation 24h randomly selects 100 nematodes every time
Calculate the death rate.
4th, seed of Job's tears shell and seed of Job's tears kind bark extract are shown in Table 1 to the fragmentation effect of Panagrellus redivivus：
Above-mentioned experiment shows that 24 hours death rates of embodiment 1~5 show seed of Job's tears shell of the invention and the heart of a lotus seed all up to 100%
Rice kind bark extract has stronger inhibitory action to Panagrellus redivivus, and fragmentation effect is good, and seed of Job's tears shell and seed of Job's tears kind skin are extracted
Thing can destroy Panagrellus redivivus ovum chorion, have stronger inhibitory action to the normal incubation of worm's ovum, wherein, embodiment 3 is obtained
Seed of Job's tears shell and seed of Job's tears kind bark extract are optimal to the inhibition of Panagrellus redivivus.It is identical when the desinsection time, embodiment 3 it is dead
The rate of dying is much higher than comparative example 1~2, illustrates that the inhibition of embodiment 3 is substantially better than comparative example 1~2, shows to soak and concentrates
The two steps are obviously improved to the inhibition of seed of Job's tears shell and seed of Job's tears kind bark extract, and immersion causes seed of Job's tears shell and the seed of Job's tears
The more preferable dissolution of active component of the suppression nematode of bark extract is planted, concentration causes the suppression in seed of Job's tears shell and seed of Job's tears kind bark extract
The active component of nematode processed more preferably merges and plays a part of more preferably to suppress Panagrellus redivivus.
2nd, seed of Job's tears shell and seed of Job's tears kind bark extract are in field test
The growing environments such as selection 9 blocks of same size, soil are identical, upgrowth situation identical peanut cultivation ground is used as real
Field is tested, every piece is 1 mu, and the 1st~5 piece of farmland is extracted using the seed of Job's tears shell and seed of Job's tears kind skin of the gained of the embodiment of the present invention 1~5 respectively
Thing, using the seed of Job's tears shell and seed of Job's tears kind bark extract obtained by comparative example 1~2, the 8th piece of farmland is killed using tradition in the 6th~7 piece of farmland
Worm agent, the 9th piece of farmland does not use any insecticide, and other management are consistent, and the experiment of peanut is observed after 1 year.Result see the table below
2：
| Project | Yield (Kg/ mus) | Peanut rhizosphere is per 100g dry ground Panagrellus redivivus quantity (bar) |
| Embodiment 1 | 328 | 13 |
| Embodiment 2 | 331 | 15 |
| Embodiment 3 | 334 | 10 |
| Embodiment 4 | 318 | 14 |
| Embodiment 5 | 321 | 13 |
| Comparative example 1 | 232 | 25 |
| Comparative example 2 | 226 | 20 |
| Conventional pesticides | 186 | 32 |
| Blank test | 154 | 53 |
Result shows from table, and any insecticide is not used, and Panagrellus redivivus quantity is more, yield poorly；Killed using tradition
Worm agent, Panagrellus redivivus quantity is also more, yield is relatively low；Relative to comparative example 1~2, after the desinsection of embodiment 1~5, peanut
Yield have a lifting higher, peanut rhizosphere is significantly reduced per 100g dry ground Panagrellus redivivus quantity, wherein, embodiment 3
Nematode population is minimum, yield highest, illustrate that embodiment 3 is obtained seed of Job's tears shell and seed of Job's tears kind bark extract to full tooth resurrection in soil
The inhibition of nematode is optimal.Show the present invention offer seed of Job's tears shell and seed of Job's tears kind bark extract, to soil in full tooth bring back to life
Nematode has obvious inhibitory action, significantly improves the quality of soil.
The seed of Job's tears shell of embodiment 1~3 and seed of Job's tears kind bark extract are positioned in warehouse, 20~28 DEG C of room temperature, 70%RH
Deposited 12 months under damp condition, after taking-up, above-mentioned experiment is repeated, as a result such as table 3 below：
| Project | Yield (Kg/ mus) | Peanut rhizosphere is per 100g dry ground Panagrellus redivivus quantity (bar) |
| Embodiment 1 | 288 | 13 |
| Embodiment 2 | 281 | 16 |
| Embodiment 3 | 284 | 11 |
| Blank test | 156 | 56 |
As can be seen from the table, the seed of Job's tears shell and seed of Job's tears kind bark extract in embodiment 1 and 2 be after long-term placement, peanut
Yield is slightly decreased, but insecticidal effect still remains unchanged.
Above-mentioned experiment shows that seed of Job's tears shell and seed of Job's tears kind bark extract can also may be used in the application in suppressing Panagrellus redivivus
It is applied to a kind of composition for suppressing Panagrellus redivivus activity.
The upper only presently preferred embodiments of the present invention, is not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (10)
1. the application of seed of Job's tears shell and seed of Job's tears kind bark extract, it is characterised in that the application in Panagrellus redivivus inhibitor.
2. the application of seed of Job's tears shell according to claim 1 and seed of Job's tears kind bark extract, it is characterised in that be applied to a kind of suppression
The composition of Panagrellus redivivus activity processed.
3. it is a kind of suppress Panagrellus redivivus composition, it is characterised in that the raw material including following weight portion：Seed of Job's tears shell 15~
20 parts and 10~15 parts of seed of Job's tears kind skin.
4. it is according to claim 3 suppress Panagrellus redivivus composition, it is characterised in that including following weight portion
Raw material：13 parts of 18 parts of seed of Job's tears shell and seed of Job's tears kind skin.
5. it is according to claim 3 suppress Panagrellus redivivus composition preparation method, it is characterised in that including with
Lower step：
S1, crushing：Seed of Job's tears shell, seed of Job's tears kind skin are crushed, powder crosses 20~100 mesh sieves；
S2, immersion：Seed of Job's tears shell, seed of Job's tears kind skin powder are put into 3~8 times of organic acid solns of weight and are soaked, soaking temperature is
30~40 degree, soak 20~24 hours；
S3, refluxing extraction：Step S2 seeds of Job's tears kind skin soak is extracted 2~4 times with acetone reflux, is extracted 3~4 hours every time,
Filtering, merges seed of Job's tears kind skin filtrate；
S4, extraction：By step S2 seed of Job's tears shell soaks chloroform extraction 2~3 times, extraction temperature is 40~50 DEG C, every time
Extraction 2~3 hours, filtering merges seed of Job's tears shell filtrate；
S5, allotment：Seed of Job's tears kind skin filtrate and seed of Job's tears shell filtrate are put into agitated kettle, mixing speed is 80~100r/min, is stirred
Mix 30~40 minutes, obtain the mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin；
S6, concentration：The rotated evaporator of mixed liquor of seed of Job's tears shell and seed of Job's tears kind skin is concentrated and collects concentrate；
S7, second extraction：Concentrate is dissolved in hydrochloric acid solution, with petroleum ether extraction 2~4 times, extract is collected and is simultaneously evaporated
Medicinal extract is obtained afterwards, seed of Job's tears shell and seed of Job's tears kind bark extract is obtained final product.
6. it is according to claim 5 suppress Panagrellus redivivus composition preparation method, it is characterised in that the step
In rapid S2, the organic acid soln is 8~10g/L acetums.
7. it is according to claim 5 suppress Panagrellus redivivus composition preparation method, it is characterised in that the step
In rapid S2, soaking temperature is 35 DEG C, is soaked 20 hours.
8. it is according to claim 5 suppress Panagrellus redivivus composition preparation method, it is characterised in that the step
In rapid S3, seed of Job's tears kind skin is extracted 3 times with acetone reflux, is extracted 3 hours every time, and filtering merges seed of Job's tears kind skin filtrate.
9. it is according to claim 5 suppress Panagrellus redivivus composition preparation method, it is characterised in that the step
In rapid S4, seed of Job's tears shell chloroform extraction 3 times, extraction temperature is 45 DEG C, is extracted 2 hours every time, filtering, merges the filter of seed of Job's tears shell
Liquid.
10. it is according to claim 5 suppress Panagrellus redivivus composition preparation method, it is characterised in that it is described
In step S7, the concentration of hydrochloric acid solution is 1~2mol/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113061.2A CN106900779B (en) | 2017-02-28 | 2017-02-28 | Application of coix seed shell and coix seed hull extracts in inhibiting whole-tooth revival nematodes, composition and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113061.2A CN106900779B (en) | 2017-02-28 | 2017-02-28 | Application of coix seed shell and coix seed hull extracts in inhibiting whole-tooth revival nematodes, composition and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104430649A (en) * | 2014-11-27 | 2015-03-25 | 青岛崂乡茶制品有限公司 | Biological pesticide capable of being used for killing and disinfecting pests and snails |
| CN106220397A (en) * | 2016-08-16 | 2016-12-14 | 朱兰英 | For improving the fertilizer of phytophagous nematodes harmful in soil |
| CN106336320A (en) * | 2016-08-16 | 2017-01-18 | 朱兰英 | Preparation method of fertilizer for improving harmful phytophagous nematode in soil |
-
2017
- 2017-02-28 CN CN201710113061.2A patent/CN106900779B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104430649A (en) * | 2014-11-27 | 2015-03-25 | 青岛崂乡茶制品有限公司 | Biological pesticide capable of being used for killing and disinfecting pests and snails |
| CN106220397A (en) * | 2016-08-16 | 2016-12-14 | 朱兰英 | For improving the fertilizer of phytophagous nematodes harmful in soil |
| CN106336320A (en) * | 2016-08-16 | 2017-01-18 | 朱兰英 | Preparation method of fertilizer for improving harmful phytophagous nematode in soil |
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