CN109168803A - A kind of root guard layer improving dirty flies natural enemy insect preventive effect - Google Patents
A kind of root guard layer improving dirty flies natural enemy insect preventive effect Download PDFInfo
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- CN109168803A CN109168803A CN201810915862.5A CN201810915862A CN109168803A CN 109168803 A CN109168803 A CN 109168803A CN 201810915862 A CN201810915862 A CN 201810915862A CN 109168803 A CN109168803 A CN 109168803A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/23—Wood, e.g. wood chips or sawdust
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- Life Sciences & Earth Sciences (AREA)
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- Botany (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention discloses a kind of root guard layers for improving dirty flies natural enemy insect preventive effect.The present invention provides a kind of methods for preparing the root guard layer for improving dirty flies natural enemy insect preventive effect, comprising: makes the dry matrix expansion according to the ratio that every 500 grams of butt matter adds 2-4 to rise water, obtains wet basis matter；Then the wet basis matter of 0.5-2 cm thick kind is covered on to be implanted with using the upper soll layer of crop to get the root guard layer.Thin and weak dirty fly prevention and control Bradysia odoriphaga is applied with root guard layer of the present invention, it is significantly increased than not applying the control of root guard layer to the Revision insect recluced rate of Bradysia odoriphaga adult and larva, leek dry weight, plant height, chlorophyll content increase than not applying the control of root guard layer.The method of the present invention is simple, and raw material sources are wide, easily buys, less investment, production cost is low, is suitable for promoting and applying in vegetables industry.
Description
Technical field
The present invention relates to field of biological control, and in particular to a kind of root guard layer for improving dirty flies natural enemy insect preventive effect.
Background technique
Root maggot class pest is the important refractory pests of China's allium vegetables, is fond of liliaceous vegetable especially, is seriously endangered
When can cause to have no harvest.Since its larva endangers in underground, concealment is high, all not satisfactory using the preventive effect of chemical prevention.It is anti-
Control bradysia odoriphaga harm and largely abuse chemical pesticide and caused by " malicious leek " event be again that China's food safety has beaten police
Clock.Therefore, it is particularly important that the application method that excavation natural enemy insect and research and development are suitable for carries out biological control to root maggot class pest.
Thin and weak dirty fly (Coenosia attenuata) originates from European Region, gradually to spreading all over the world.Currently, I
The ground such as state Taiwan, Beijing, Tianjin have been distributed.Thin and weak dirty fly is a kind of excellent predatory natural enemy insect, and larva can catch
Food fungus gnat and ephydrid larva, adult can prey on the adult and alatae of the pests such as fungus gnat, liriomyza bryoniae, aleyrodid and leafhopper, therefore can
To carry out ground and underground omnibearing stereo prevention and control to crop.In addition, its predatory number is big, high temperature resistant, these advantages are caused very
The concern of more biological control scholars.
Due to thin and weak dirty fly high temperature resistant, people are mainly used for the indoor biological control of insect pests of temperature.Thin and weak dirty fly
Female adult pest originates in ovum in soil, walks search prey after larvae hatch in the soil.Due to the high temperature in greenhouse, soil is volatile
Water, topsoil are easily dried hardened, and this cured earth's surface is not easy to walk, it is difficult to search for the dirty fly larvae just hatched
As a result rope causes larval mortality to rise to prey, reduce to target pest preventive effect.Therefore, it is fixed that thin and weak dirty fly can be improved in research and development
The root guard layer of potential is grown, and then raising seems important and urgent to the preventive effect of target pest.Currently, both at home and abroad there is not yet improving
The report of the root guard layer of dirty flies natural enemy insect preventive effect.
Summary of the invention
In order to solve the above-mentioned prior art problems, dirty flies natural enemy insect preventive effect is improved the object of the present invention is to provide a kind of
Root guard layer.
In a first aspect, the present invention provides a kind of sides for preparing the root guard layer for improving dirty flies natural enemy insect preventive effect
Method.
Method of the preparation provided by the present invention for improving the root guard layer of dirty flies natural enemy insect preventive effect, it may include as follows
Step: make the dry matrix expansion according to the ratio that every 500 grams of butt matter adds 2-4 to rise water, obtain wet basis matter；Then by 0.5-2
The wet basis matter of cm thick is covered on kind and is implanted with using the upper soll layer of crop to get the root guard layer.
Further, the root guard layer is prepared by a method comprising the following steps: according to every 500 grams of butts
Matter adds the ratio of 3 liters of water to make the dry matrix expansion, obtains wet basis matter；Then the wet basis matter of 1 cm thick is covered on kind
The upper soll layer using crop is implanted with to get the root guard layer.
In the method, the matrix be in coco bran, sawdust, sawdust and vermiculite any one or it is any several mixed
Close object.
Second aspect, it is claimed to utilize the root guard layer that method described in first aspect is prepared above.
The third aspect, root guard layer described in claimed second aspect above are improving dirty flies natural enemy insect
Application in preventive effect.
Fourth aspect, a kind of claimed method for improving dirty flies natural enemy insect preventive effect.
The method provided by the present invention for improving dirty flies natural enemy insect preventive effect, it may include following steps: crop is being applied
Upper soll layer covering root guard layer described in second aspect above, then discharge dirty flies natural enemy insect and target pest carried out
Prevention and treatment (improves dirty flies natural enemy insect preventive effect compared with the control without using the root guard layer).
In above-mentioned various aspects, the dirty flies natural enemy insect concretely thin and weak dirty fly, brown thin and weak dirty fly, the dirty fly of tiger,
The dirty fly of short sun, version receive dirty fly or the dirty fly of white valve etc..
Further, the target pest of the root guard layer application prevention and control is fungus gnat.
Further, the fungus gnat concretely Bradysia odoriphaga, different Bradysia fungus gnat, balsamine Bradysia fungus gnat or excrement
Eye fungus gnat etc..
In above-mentioned various aspects, the application crop can be liliaceous vegetable or flowers.
Further, the liliaceous vegetable or flowers concretely leek, shallot, garlic, onion or lily etc..
Root guard layer provided by the present invention can be used for improving the preventive effect of dirty flies natural enemy insect, especially thin and weak dirty fly,
Suitable for the thin and weak dirty each worm state of fly.The result shows that being imitated with root guard layer of the present invention using thin and weak dirty fly prevention and control Bradysia odoriphaga
Fruit is preferable.The root guard layer of scheme 1-6 is to the Revision insect recluced rate of olaiphage larva in Chinese Chive than not applying root guard layer in embodiment
Control improves 7.46-11.21%, improves to the Revision insect recluced rate of Bradysia odoriphaga adult than not applying the control of root guard layer
8.93-17.12%, leek dry weight increase 1.91-6.36% than not applying the control of root guard layer, and leek plant height ratio does not apply root guard
The control of layer increases 0.09-0.66%, and leek chlorophyll content increases 0.15-0.74% than not applying the control of root guard layer.Side
4 effect of case is best, 62.44% is up to olaiphage larva in Chinese Chive Revision insect recluced rate with 4 root guard layer of scheme, to leek Bradysia gill fungus
Mosquito adult Revision insect recluced rate is up to 69.65%.Dirty flies natural enemy insect prevention and treatment gill fungus is improved using root guard layer there is not yet having both at home and abroad
The report of mosquito.Application method of the invention is simple, and raw material sources are wide, easily buys, less investment, production cost is low, is suitable in vegetable
It is promoted and applied in dish industry.
Specific embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Embodiment 1, the root guard layer for improving dirty flies natural enemy insect preventive effect and its application
One, scheme 1
Root guard layer in this programme is made of following ratio amount of water substances and applied thickness:
2 liters of dry coco brans in water/500 gram of root guard layer amount of water,
0.5 centimetre of root guard thickness degree.
Wherein, the natural enemy insect and target pest of root guard layer application are made of following quantity portion rates:
1 part of dirty fly adult；
10 parts of fungus gnat adult.
It is 1 × 1.5 × 1m in specification3In shrouding, 10 basin leek are placed, every basin contains 20 plants of leek.According to every 500 grams of dry coconut palms
Chaff adds the ratio of 2 liters of water to expand coco bran, and every basin leek covers the wet coco bran of 0.5 cm thick.Experiment wipes out leek on the ground when starting
Partial blade, to shroud it is interior launch it is new emergence Bradysia odoriphaga adult 300, thin and weak dirty fly adult 30.The 7-9 month (high temperature
Season) Bradysia odoriphaga adult population quantity dramatic decrease when, every circumferential direction shrouds interior dispensing and newly sprouts wings thin and weak dirty fly adult 15
Head.Other months launch weekly thin and weak dirty fly adult according to Bradysia odoriphaga adult quantity, application percentage be thin and weak dirty fly at
Worm: Bradysia odoriphaga adult=1:10 (keeps this ratio when discharging weekly).
Two, scheme 2
Root guard layer in this programme is constituted by following ratio amount of water substances and with thickness:
4 liters of dry coco brans in water/500 gram of root guard layer amount of water,
0.5 centimetre of root guard thickness degree.
Wherein, the natural enemy insect and target pest of root guard layer application are made of following quantity portion rates:
1 part of dirty fly adult；
10 parts of fungus gnat adult.
It is 1 × 1.5 × 1m in specification3In shrouding, 10 basin leek are placed, every basin contains 20 plants of leek.According to every 500 grams of dry coconut palms
Chaff adds the ratio of 4 liters of water to expand coco bran, and every basin leek covers the wet coco bran of 0.5 cm thick.Experiment wipes out leek on the ground when starting
Partial blade, to shroud it is interior launch it is new emergence Bradysia odoriphaga adult 300, thin and weak dirty fly adult 30.The 7-9 month (high temperature
Season) Bradysia odoriphaga adult population quantity dramatic decrease when, every circumferential direction shrouds interior dispensing and newly sprouts wings thin and weak dirty fly adult 15
Head.Other months launch weekly thin and weak dirty fly adult according to Bradysia odoriphaga adult quantity, application percentage be thin and weak dirty fly at
Worm: Bradysia odoriphaga adult=1:10 (keeps this ratio when discharging weekly).
Three, scheme 3
Root guard layer in this programme is constituted by following ratio amount of water substances and with thickness:
2 liters of dry coco brans in water/500 gram of root guard layer amount of water,
1 centimetre of root guard thickness degree.
Wherein, the natural enemy insect and target pest of root guard layer application are made of following quantity portion rates:
1 part of dirty fly adult；
10 parts of fungus gnat adult.
It is 1 × 1.5 × 1m in specification3In shrouding, 10 basin leek are placed, every basin contains 20 plants of leek.According to every 500 grams of dry coconut palms
Chaff adds the ratio of 2 liters of water to expand coco bran, and every basin leek covers the wet coco bran of 1 cm thick.Experiment wipes out leek overground part when starting
Leaflet piece, to shroud it is interior launch it is new emergence Bradysia odoriphaga adult 300, thin and weak dirty fly adult 30.The 7-9 month (the high warm season
Section) Bradysia odoriphaga adult population quantity dramatic decrease when, every circumferential direction shroud it is interior dispensing newly sprout wings thin and weak dirty fly adult 15.
Other months launch weekly thin and weak dirty fly adult according to Bradysia odoriphaga adult quantity, and application percentage is dirty fly adult: leek
Bradysia fungus gnat adult=1:10 (keeps this ratio when discharging weekly).
Four, scheme 4
Root guard layer in this programme is constituted by following ratio amount of water substances and with thickness:
3 liters of dry coco brans in water/500 gram of root guard layer amount of water,
1 centimetre of root guard thickness degree.
Wherein, the natural enemy insect and target pest of root guard layer application are made of following quantity portion rates:
1 part of dirty fly adult；
10 parts of fungus gnat adult.
It is 1 × 1.5 × 1m in specification3In shrouding, 10 basin leek are placed, every basin contains 20 plants of leek.According to every 500 grams of dry coconut palms
Chaff adds the ratio of 3 liters of water to expand coco bran, and every basin leek covers the wet coco bran of 1 cm thick.Experiment wipes out leek overground part when starting
Leaflet piece, to shroud it is interior launch it is new emergence Bradysia odoriphaga adult 300, thin and weak dirty fly adult 30.The 7-9 month (the high warm season
Section) Bradysia odoriphaga adult population quantity dramatic decrease when, every circumferential direction shroud it is interior dispensing newly sprout wings thin and weak dirty fly adult 15.
Other months launch weekly thin and weak dirty fly adult according to Bradysia odoriphaga adult quantity, and application percentage is thin and weak dirty fly adult:
Bradysia odoriphaga adult=1:10 (keeps this ratio when discharging weekly).
Five, scheme 5
Root guard layer in this programme is constituted by following ratio amount of water substances and with thickness:
2 liters of dry coco brans in water/500 gram of root guard layer amount of water,
2 centimetres of root guard thickness degree.
Wherein, the natural enemy insect and target pest of root guard layer application are made of following quantity portion rates:
1 part of dirty fly adult；
10 parts of fungus gnat adult.
It is 1 × 1.5 × 1m in specification3In shrouding, 10 basin leek are placed, every basin contains 20 plants of leek.According to every 500 grams of dry coconut palms
Chaff adds the ratio of 2 liters of water to expand coco bran, and every basin leek covers the wet coco bran of 2 cm thicks.Experiment wipes out leek overground part when starting
Leaflet piece, to shroud it is interior launch it is new emergence Bradysia odoriphaga adult 300, thin and weak dirty fly adult 30.The 7-9 month (the high warm season
Section) Bradysia odoriphaga adult population quantity dramatic decrease when, every circumferential direction shroud it is interior dispensing newly sprout wings thin and weak dirty fly adult 15.
Other months launch weekly thin and weak dirty fly adult according to Bradysia odoriphaga adult quantity, and application percentage is thin and weak dirty fly adult:
Bradysia odoriphaga adult=1:10 (keeps this ratio when discharging weekly).
Six, scheme 6
Root guard layer in this programme is constituted by following ratio amount of water substances and with thickness:
3 liters of dry coco brans in water/500 gram of root guard layer amount of water,
2 centimetres of root guard thickness degree.
Wherein, the natural enemy insect and target pest of root guard layer application are made of following quantity portion rates:
1 part of dirty fly adult；
10 parts of fungus gnat adult.
It is 1 × 1.5 × 1m in specification3In shrouding, 10 basin leek are placed, every basin contains 20 plants of leek.According to every 500 grams of dry coconut palms
Chaff adds the ratio of 3 liters of water to expand coco bran, and every basin leek covers the wet coco bran of 2 cm thicks.Experiment wipes out leek overground part when starting
Leaflet piece, to shroud it is interior launch it is new emergence Bradysia odoriphaga adult 300, thin and weak dirty fly adult 30.The 7-9 month (the high warm season
Section) Bradysia odoriphaga adult population quantity dramatic decrease when, every circumferential direction shroud it is interior dispensing newly sprout wings thin and weak dirty fly adult 15.
Other months launch weekly thin and weak dirty fly adult according to Bradysia odoriphaga adult quantity, and application percentage is thin and weak dirty fly adult:
Bradysia odoriphaga adult=1:10 (keeps this ratio when discharging weekly).
Seven, the effect experiment of above-mentioned six kinds of schemes
Experiment carries out six groups, respectively the application method in application scheme 1-6, and every group carries out as follows: investigating weekly
Once as a result, launching insect and root guard layer according to the ratio in corresponding scheme, dirty fly and fungus gnat quantity are recorded, monthly measurement is primary
Every cage leek dry weight, the plant height and chlorophyll content of 15 plants of leek of highest.Each scheme repeats six times, and (i.e. every kind of investigation 1 year
Six cage parallel laboratory tests are arranged in method, and 1 year is an experimental period).
Six kinds of schemes as above are finally calculated to the Revision insect recluced rate of Bradysia odoriphaga, as shown in table 1.Different schemes
Every monthly average leek dry weight (g), every monthly average leek plant height (cm) and the every monthly average leek chlorophyll content (SPAD) obtained
(Mean ± SE) measurement result is as shown in table 2.
The Revision insect recluced rate (%) to fungus gnat that the different method for releasing of table 1 obtain
Note: Revision insect recluced rate=(fungus gnat number after the thin and weak dirty fly adult of fungus gnat quantity-release before the thin and weak dirty fly adult of release
Amount)/discharge fungus gnat quantity × 100% before thin and weak dirty fly adult, (Chi-square Test, α=0.05).Control for compared with scheme 1-6,
Difference, which is only that, does not put root guard layer.It is significant to mark different lowercase letter indication differences for same column in table.
Every monthly average leek dry weight (g), every monthly average leek plant height (cm) and the every monthly average fragrant-flowered garlic that 2 different schemes of table obtain
Dish leaf chlorophyll contents (SPAD) (Mean ± SE).
Note: it compares and does not put root guard layer for compared with scheme 1-6, difference is only that.(average value ± SE, single factor test variance point
Analysis, Fisher LSD test；p<0.05).It is significant to mark different lowercase letter indication differences for same column in table.
The result shows that preferable using thin and weak dirty fly prevention and control Bradysia odoriphaga effect with root guard layer of the present invention.Application scheme
1-6 root guard layer improves 7.46-11.21% than not applying the control of root guard layer to the Revision insect recluced rate of olaiphage larva in Chinese Chive,
8.93-17.12%, leek dry weight ratio are improved than not applying the control of root guard layer to the Revision insect recluced rate of Bradysia odoriphaga adult
The control for not applying root guard layer increases 1.91-6.36%, and leek plant height increases 0.09- than not applying the control of root guard layer
0.66%, leek chlorophyll content increases 0.15-0.74% than not applying the control of root guard layer.4 effect of scheme is best, uses scheme
4 root guard layers are up to 62.44% to olaiphage larva in Chinese Chive Revision insect recluced rate, high to Bradysia odoriphaga adult Revision insect recluced rate
Up to 69.65%.There is not yet there is the report for improving dirty flies natural enemy insect prevention and treatment fungus gnat using root guard layer both at home and abroad.
Claims (10)
1. a kind of method for preparing the root guard layer for improving dirty flies natural enemy insect preventive effect, includes the following steps: according to every 500
The ratio that gram butt matter adds 2-4 to rise water makes the dry matrix expansion, obtains wet basis matter；Then by the described wet of 0.5-2 cm thick
Matrix is covered on kind and is implanted with using the upper soll layer of crop to get the root guard layer.
2. according to the method described in claim 1, it is characterized by: the root guard layer is according to the method system included the following steps
For what is obtained: adding the ratio of 3 liters of water to make the dry matrix expansion according to every 500 grams of butt matter, obtain wet basis matter；Then by 1 li
The thick wet basis matter of rice is covered on kind and is implanted with using the upper soll layer of crop to get the root guard layer.
3. method according to claim 1 or 2, it is characterised in that: the matrix is in coco bran, sawdust, sawdust and vermiculite
Any one or any several mixture.
4. the root guard layer being prepared using any the method in claim 1-3.
5. root guard layer described in claim 4 is improving the application in dirty flies natural enemy insect preventive effect.
6. a kind of method for improving dirty flies natural enemy insect preventive effect includes the following steps: to cover in the upper soll layer of application crop
Then root guard layer described in claim 4 discharges dirty flies natural enemy insect and prevents and treats target pest.
7. any method or root guard layer or application in -6 according to claim 1, it is characterised in that: the dirty flies natural enemy
Insect is that thin and weak dirty fly, brown thin and weak dirty fly, the dirty fly of tiger, the dirty fly of short sun, version receive dirty fly or the dirty fly of white valve.
8. any method or root guard layer or application in -7 according to claim 1, it is characterised in that: the root guard layer application
The target pest of prevention and control is fungus gnat.
9. the method according to claim 11 or root guard layer or application, it is characterised in that: the fungus gnat is leek Bradysia gill fungus
Mosquito, different Bradysia fungus gnat, balsamine Bradysia fungus gnat or excrement eye fungus gnat.
10. any method or root guard layer or application in -9 according to claim 1, it is characterised in that: described to apply crop
For liliaceous vegetable or flowers；
Further, the liliaceous vegetable or flowers are leek, shallot, garlic, onion or lily.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810915862.5A CN109168803A (en) | 2018-08-13 | 2018-08-13 | A kind of root guard layer improving dirty flies natural enemy insect preventive effect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810915862.5A CN109168803A (en) | 2018-08-13 | 2018-08-13 | A kind of root guard layer improving dirty flies natural enemy insect preventive effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110710497A (en) * | 2019-12-02 | 2020-01-21 | 天津市植物保护研究所 | Method for feeding predatory filthy flies by using substitute prey |
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| CN101779569A (en) * | 2010-03-16 | 2010-07-21 | 郁有宁 | Method for cultivating field blueberry |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110710497A (en) * | 2019-12-02 | 2020-01-21 | 天津市植物保护研究所 | Method for feeding predatory filthy flies by using substitute prey |
| CN110710497B (en) * | 2019-12-02 | 2021-11-05 | 天津市农业科学院 | Method for feeding predatory filthy flies by using substitute prey |
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