CN102487929B - Method for killing grubs of underground pests - Google Patents
Method for killing grubs of underground pests Download PDFInfo
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- CN102487929B CN102487929B CN 201110438121 CN201110438121A CN102487929B CN 102487929 B CN102487929 B CN 102487929B CN 201110438121 CN201110438121 CN 201110438121 CN 201110438121 A CN201110438121 A CN 201110438121A CN 102487929 B CN102487929 B CN 102487929B
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Abstract
The invention discloses a method for killing grubs of underground pests, which comprises the following steps: (1) determining that the plants are infected with pests; (2) testing if the moisture content in the soil infected with the grubs is between 15 and 20 percent; (3) testing if the temperature of soil infected with the grubs at a depth of 10 centimeters is between 13 and 18 DEG C; (4) preparing a microwave irradiator for later use; (5) killing the grubs by horizontal and intermittent irradiation with microwaves; (6) starting the microwave irradiator, setting the microwave frequency at 915MHz, and irradiating intermittently for 3 to 6 times, 60 to 90 seconds each time, wherein the time interval between each two times of irradiation is 40 to 60 seconds; and (7) detecting the grub killing effect, namely sieving soil which is 5 centimeters above the irradiated area with a sieve with an aperture of 5 millimeters, collecting grubs, needling the grubs and seeing if the grubs react with bare eyes and determining the grubs are die if they give no reaction. The pure physical method kills grubs without polluting soil, water and the like.
Description
Technical field
The present invention relates to agriculture disinsection method, is the method for a kind of killing underground injurious insect grub.
Background technology
Grub is the general designation of Scarabaeoidea larva, another name carclazyte silkworm.Grub is dwelling property of the soil insect that is difficult to prevent and treat of generally acknowledging both at home and abroad, its kind is many, distribution is wide, feeding habits are assorted, life is hidden, adaptability is strong, the history of life is different in size, grub harm multiple kinds of crops, economic crops, the happiness food is the seed of sowing just, root, stem tuber and seedling, be global soil insect, endanger very big.The method of killing grub at present mainly contains following three kinds:
The physical method of black light lamp trapping.Utilize the adult scarab beetle of black light lamp trapping grub exactly and reduce the breeding of grub, but existing grub in the soil is not had insect killing effect.
The anti-therapy of biological natural enemy.Natural enemy commonly used has dark brown robber fly, chafer black earth honeybee etc.This method safety is good, free from environmental pollution, but the restriction that is subjected to natural conditions (for example temperature, wind-force etc.) is very big, effect is undesirable promoting the use of, the cost height, take effect slow and produce in be difficult to shortcoming such as popularization.
The chemical pesticide root-pouring method.This is the most frequently used method.The medicine that uses has absorption highly toxic pesticide in Isofenphos methyl, the furans pellet etc., even uses 1, and 2-two bromo-3-chloropropanes (are commonly called as: black powder).These agricultural chemicals are at first by crop absorption, and grub stings the food back and poisons with poison.The severe contamination crop, thus various " malicious food ", the life security that directly endangers people produced.Residue in the agricultural chemicals in the soil simultaneously, not only can polluted underground water, destroy natural environment, also can pollute the growing environment of next batch crop simultaneously, can't realize the production of organic vegetable and other crop.Along with the increase day by day of agricultural chemicals usage amount, environmental pollution is also more and more serious.
Summary of the invention
The objective of the invention is to, the method for a kind of killing underground injurious insect grub is provided, it adopts pure physical method to kill grub, and pollution-free to soil, water source etc.
The present invention is achieved through the following technical solutions for achieving the above object: the method for a kind of killing underground injurious insect grub comprises the steps:
1. determine that plant infected by grub: plant shoot divides leaf withering, the top tip sagging;
2. the soil moisture content that detects after being infected by grub is 15%-20%;
3. detect by grub and infect 13 ℃-18 ℃ of back soil depth 10 centimeters temperature;
4. it is standby to prepare the microwave irradiation machine: the microwave irradiation machine has housing 1, through hole 3 is offered in housing 1 bottom surface, microwave emitter 2 is installed in the housing 1, soil detector 6 and controller 7, microwave emitter 2 is connected with controller 7 respectively with soil detector 6, in housing 1 bottom surface, microwave irradiation cavity 4 is installed at through hole 3 places, microwave irradiation cavity 4 perisporiums and bottom interconnect and are closed, top is uncovered and is communicated with through hole 3, offer several micro through-holes 5 on the perisporium of microwave irradiation cavity 4, housing 1 one sides are installed the plant protection reflection unit, the plant protection reflection unit has a dividing plate 12 that is connected with housing 1, dividing plate 12 bottoms are connected with baffle 9, offer plant protection through hole 11 on the baffle 9, baffle 9 outer ends are 90 ° with reflecting plate 10 and are connected;
5. adopt the horizontal intermittent irradiation of microwave to kill grub: with step 4. described in microwave irradiation cavity 4 insert the soil depth 3-10 centimeters that grub distributes, microwave irradiation cavity 4 is positioned at plant root one side, with vegetative period plant pass plant protection through hole 11, reflecting plate 10 is inserted soil depth 3-10 centimeters;
6. open the microwave irradiation machine, get microwave frequency 915MHz, intermittent irradiation 3-6 time shines 60-90 second at every turn, stops 40-60 second between per twice irradiation;
7. detect the grub insect killing effect: after the irradiation, get the soil of irradiation area more than 10 centimetres with the sieve in 5 millimeters in aperture, collect grub, the perusal grub is reactionless after the acupuncture, grub death.
The center line of the microwave irradiation cavity 4 of step of the present invention described in 4. and the distance L between reflecting plate 10 inwalls are 10-30 centimetre.The intermittent irradiation of step described in 6. is: irradiation earlier 60 seconds, stop 40 seconds, and shone again 70 seconds, stop 60 seconds, shone at last 60 seconds.The microwave irradiation cavity 4 of step described in 4. is tapered, conical lower portion perisporium arranged outside soil fluting sword 14.The distance H of the micro through-hole of microwave irradiation cavity 4 topmosts of step described in 4. and soil fluting sword 14 bottoms is 3-10 centimetre.
Method provided by the invention designs according to characteristics such as grub breeding, existence.Studies show that the molecule in the grub body produces distortion and vibration under the effect of microwave electromagnetic field, cell membrane function is affected, and up to membranolysis, loses physiological function, produces non-thermal effect.And the heat that microwave irradiation produces, be converted into heat energy in the medium in the field energy of alternating electric field, medium temperature is constantly raise, when with the microwave irradiation grub, microwave makes grub produce fuel factor, at this moment, the moisture in the soil also can be because the phase mutual friction produces a large amount of heats, and both thermal mediums superpose to grub with havoc.The non-thermal effect acting in conjunction that the fuel factor that microwave irradiation produces and grub produce after by microwave irradiation is killed grub.
Because the death of grub is to be subjected to the fuel factor of microwave and the coefficient result of non-thermal effect of itself.Behind microwave irradiation, stop a period of time making heat transmission diffusion, irradiation again, death under the non-thermal effect acting in conjunction of microwave heating effect and grub itself.The inventive method adopts the microwave intermittent irradiation to kill grub, reach 100% kill the grub purpose in, kept illuminated soil to be in low-temperature condition, this temperature is generally below 45 ℃, reduce the influence to beneficial microbe bacterium colony in the soil, do not influenced the growth of plant.
The method of killing underground injurious insect grub of the present invention is being shone grub with microwave energy, and microwave will make it produce fuel factor.Moisture in the soil also can produce a large amount of heats because of the phase mutual friction.Both stacks make grub be subjected to havoc.Under the effect of microwave electromagnetic field, some molecules in the grub body will produce distortion and vibration, cell membrane function is affected, even causes membranolysis, lose physiological function, produce non-thermal effect simultaneously.The acting in conjunction of fuel factor and non-thermal effect causes grub and worm's ovum thereof to be killed.Method of the present invention environment such as soil, plant, water source are not had any pollution, and this method is easy to implement, kills grub to reach 100%, for food security provides real implementing measure.
A kind of method of killing underground grub of the present invention shows that through field experiment to kill the grub effect remarkable.The field experiment data are as follows:
1, experimental field is the raise seedling in greenhouse bed, area 900.0m
2, plantation rose seedling is loamy soil, middle fertility, and irrigation conditions is good.
Mortality appears in the rose cuttage seeding in 2, finding experimental field, detects through cutting the earth, and finds grub, and it is carried out the experiment that microwave irradiation is killed.
3, experiment is divided into two groups, and one group is processed group (irradiation group), and one group is control group (not shining group), and every group of data are provided with 3 repetitions, averages to be the statistics foundation.
4, radiation modality is intermittently adopted in irradiation.
5, irradiating machine adopts the microwave irradiation machine described in the step 3 of the present invention, and microwave frequency is 915MHz.
6, soil moisture content is 15-20%.
Experimental data is as follows:
7, microwave irradiation is to the experiment of plant growth influence
In order to verify microwave irradiation to the influence of plant growth, with normally killing the same crop that the grub insect pest does not take place for 1.6 times of the used time of grub, identical microwave frequency irradiation, observe its upgrowth situation.Its way is as follows:
1. use the intermittent irradiation method: according to 75 seconds, stopped 75 seconds, repeat 4 times, total irradiation time 5 minutes has exceeded the highest used time of grub of killing, and the maximum temperature of soil reaches 55 ℃ in the whole irradiation process, kills the temperature height of grub than experimental group.Through bimestrial observation, irradiated soil contrasts with the soil that does not have irradiation after the irradiation, and the plant growth in the soil is all right, does not find the anomaly of any plant growth.
2. put into flowerpot with normally killing the soil that 1.6 times of the used time of grub, identical microwave frequency shines, cultivation rose aseptic seedling, it is vigorous that the result observes seedling growth, do not find any growth failure phenomenon.
8, description of test, according to method of the present invention kill grub be feasible effectively, eradicative rate 100%, to be no more than 55 ℃ be can not influence plant growth to the temperature of soil in the irradiation process.
Description of drawings
Accompanying drawing 1 be in the method for a kind of killing underground injurious insect grub of the present invention step 4. in the structural representation of microwave irradiation machine.
Embodiment
The method of a kind of killing underground injurious insect grub of the present invention comprises the steps:
1. determine that plant infected by grub: plant shoot divides leaf withering, the top tip sagging;
2. the soil moisture content that detects after being infected by grub is 15%-20%;
3. detect by grub and infect 13 ℃-18 ℃ of back soil depth 10 centimeters temperature;
4. it is standby to prepare the microwave irradiation machine: the microwave irradiation machine has housing 1, through hole 3 is offered in housing 1 bottom surface, microwave emitter 2 is installed in the housing 1, soil detector 6 and controller 7, microwave emitter 2 is connected with controller 7 respectively with soil detector 6, in housing 1 bottom surface, microwave irradiation cavity 4 is installed at through hole 3 places, microwave irradiation cavity 4 perisporiums and bottom interconnect and are closed, top is uncovered and is communicated with through hole 3, offer several micro through-holes 5 on the perisporium of microwave irradiation cavity 4, housing 1 one sides are installed the plant protection reflection unit, the plant protection reflection unit has a dividing plate 12 that is connected with housing 1, dividing plate 12 bottoms are connected with baffle 9, offer plant protection through hole 11 on the baffle 9, baffle 9 outer ends are 90 ° with reflecting plate 10 and are connected;
5. adopt the horizontal intermittent irradiation of microwave to kill grub: with step 4. described in microwave irradiation cavity 4 insert the soil depth 3-10 centimeters that grub distributes, microwave irradiation cavity 4 is positioned at plant root one side, with vegetative period plant pass plant protection through hole 11, reflecting plate 10 is inserted soil depth 3-10 centimeters;
6. open the microwave irradiation machine, get microwave frequency 915MHz, intermittent irradiation 3-6 time shines 60-90 second at every turn, stops 40-60 second between per twice irradiation;
7. detect the grub insect killing effect: after the irradiation, get the soil of irradiation area more than 10 centimetres with the sieve in 5 millimeters in aperture, collect grub, the perusal grub is reactionless after the acupuncture, grub death.
The center line of the microwave irradiation cavity 4 of step of the present invention described in 4. and the distance L between reflecting plate 10 inwalls are 10-30 centimetre.
The intermittent irradiation of step of the present invention described in 6. is preferably: the intermittent irradiation of step described in 6. is: irradiation earlier 60 seconds, stop 40 seconds, and shone again 70 seconds, stop 60 seconds, shone at last 60 seconds.
The microwave irradiation cavity 4 of step of the present invention described in 4. is tapered, conical lower portion perisporium arranged outside soil fluting sword 14.
The distance H of the micro through-hole of microwave irradiation cavity 4 topmosts of step of the present invention described in 4. and soil fluting sword 14 bottoms is 3-10 centimetre.
The TZS-SX type multi-parameter soil surveying instrument that the soil detector of installing in the microwave irradiation machine in the above embodiment of the present invention selects for use Zhejiang Top Instrument Co.,Ltd. to produce.During use, the probe 8 of soil detector inserts in the soil, can be according to its data presented, set and start controller 7, and switch and the setting-up time of setting microwave emitter, for example: when soil moisture content is 12%, the irradiation accumulating time of microwave emitter is set to 180 seconds, when soil moisture content was 25%, the accumulative total irradiation time of microwave emitter can be set to 5 minutes etc., after irradiation is finished, microwave emitter is closed automatically, simultaneously, the soil detector shows soil temperature, and the soil temperature in the present embodiment behind the microwave irradiation is all below 55 ℃.Above-mentioned control circuit all adopts known technology to finish.13 is nuts among the figure, the 15th, and soil fluting sword.
Claims (2)
1. the method for a killing underground injurious insect grub is characterized in that: comprise the steps:
1. determine that plant infected by grub: plant shoot divides leaf withering, the top tip sagging;
2. the soil moisture content that detects after being infected by grub is 15%-20%;
3. detect by grub and infect 13 ℃-18 ℃ of back soil depth 10 centimeters temperature;
4. it is standby to prepare the microwave irradiation machine: the microwave irradiation machine has housing (1), through hole (3) is offered in housing (1) bottom surface, microwave emitter (2) is installed in the housing (1), soil detector (6) and controller (7), microwave emitter (2) is connected with controller (7) respectively with soil detector (6), in housing (1) bottom surface, through hole (3) locates to install microwave irradiation cavity (4), microwave irradiation cavity (4) perisporium and bottom interconnect and are closed, top is uncovered and is communicated with through hole (3), offer several micro through-holes (5) on the perisporium of microwave irradiation cavity (4), housing (1) one side is installed the plant protection reflection unit, the plant protection reflection unit has a dividing plate (12) that is connected with housing (1), dividing plate (12) bottom is connected with baffle (9), offer plant protection through hole (11) on the baffle (9), baffle (9) outer end is 90 ° with reflecting plate (10) and is connected;
5. adopt the horizontal intermittent irradiation of microwave to kill grub: with step 4. described in microwave irradiation cavity (4) insert the soil depth 3-10 centimeters that grub distributes, microwave irradiation cavity (4) is positioned at plant root one side, with vegetative period plant pass plant protection through hole (11), reflecting plate (10) is inserted soil depth 3-10 centimeters;
6. open the microwave irradiation machine, get microwave frequency 915MHz, intermittent irradiation 3-6 time shines 60-90 second at every turn, stops 40-60 second between per twice irradiation;
7. detect the grub insect killing effect: after the irradiation, get the soil of irradiation area more than 10 centimetres with the sieve in 5 millimeters in aperture, collect grub, the perusal grub is reactionless after the acupuncture, grub death;
The center line of the microwave irradiation cavity (4) of step described in 4. and the distance L between reflecting plate (10) inwall are 10-30 centimetre;
The microwave irradiation cavity (4) of step described in 4. is tapered, conical lower portion perisporium arranged outside soil fluting sword (14).
2. the method for a kind of killing underground injurious insect grub according to claim 1 is characterized in that: the micro through-hole of microwave irradiation cavity (4) topmost of step described in 4. and the distance H of soil fluting sword (14) bottom are 3-10 centimetre.
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| CN 201110438121 CN102487929B (en) | 2011-12-23 | 2011-12-23 | Method for killing grubs of underground pests |
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| CN 201110438121 CN102487929B (en) | 2011-12-23 | 2011-12-23 | Method for killing grubs of underground pests |
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| CN102487929A CN102487929A (en) | 2012-06-13 |
| CN102487929B true CN102487929B (en) | 2013-08-28 |
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| CN103858853B (en) * | 2014-03-18 | 2016-05-11 | 河南科技学院 | A kind of physics electric field goes out except the device of elimination of underground destructive pests |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2607780Y (en) * | 2003-04-10 | 2004-03-31 | 李月章 | Inserting type microwave sterilizing and inset-killing device |
| CN1829436A (en) * | 2003-03-28 | 2006-09-06 | 日商赛勒泰克研究管理股份有限公司 | Soil processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009148207A (en) * | 2007-12-20 | 2009-07-09 | National Agriculture & Food Research Organization | Soil treatment method and farming implement suitable to the method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829436A (en) * | 2003-03-28 | 2006-09-06 | 日商赛勒泰克研究管理股份有限公司 | Soil processing method |
| CN2607780Y (en) * | 2003-04-10 | 2004-03-31 | 李月章 | Inserting type microwave sterilizing and inset-killing device |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2009-148207A 2009.07.09 |
| 浅谈苗圃地下害虫蛴螬综合防治措施;董金宝 等;《黑龙江生态工程职业学院学报》;20100131;第23卷(第1期);第44页左栏第1段-右栏第1段 * |
| 董金宝 等.浅谈苗圃地下害虫蛴螬综合防治措施.《黑龙江生态工程职业学院学报》.2010,第23卷(第1期),第44、53页. |
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Inventor after: Lang Deshan Inventor after: Wang Zhihe Inventor after: Wang Xingcui Inventor after: Zhao Huiping Inventor after: Wang Lan Inventor before: Lang Deshan Inventor before: Wang Zhihe Inventor before: Wang Xingcui Inventor before: Zhao Huiping Inventor before: Wang Lan |
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Effective date of registration: 20170803 Address after: 266000, No. 1, Qingdao high level talent training center, No. 153 Zhuzhou Road, Laoshan District, Shandong, B801 Patentee after: Qingdao Russell Biotechnology Co., Ltd. Address before: 262700 Weifang, Shouguang City, Xueyuan Road Province, No. 166, No. Patentee before: Weifang University of Science & Technology |
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Effective date of registration: 20200513 Address after: Room b801, building 1, No. 153, Zhuzhou Road, Laoshan District, Qingdao City, Shandong Province Patentee after: QINGDAO RUSSELL IPM BIOTECH Co.,Ltd. Address before: 266000 No.166, Xueyuan Road, Shouguang City, Weifang City, Shandong Province Patentee before: WEIFANG UNIVERSITY OF SCIENCE & TECHNOLOGY |
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