CN107926394A - Utilize Phytoseiulus Persimilis watermelon and the method for muskmelon tetranychid - Google Patents
Utilize Phytoseiulus Persimilis watermelon and the method for muskmelon tetranychid Download PDFInfo
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- CN107926394A CN107926394A CN201710959615.0A CN201710959615A CN107926394A CN 107926394 A CN107926394 A CN 107926394A CN 201710959615 A CN201710959615 A CN 201710959615A CN 107926394 A CN107926394 A CN 107926394A
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- tetranychid
- watermelon
- phyloseiulus nersimilis
- muskmelon
- mite
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 241000179203 Phytoseiulus persimilis Species 0.000 title claims abstract description 11
- 244000241257 Cucumis melo Species 0.000 title claims abstract 6
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- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 description 1
- QXJKBPAVAHBARF-BETUJISGSA-N procymidone Chemical compound O=C([C@]1(C)C[C@@]1(C1=O)C)N1C1=CC(Cl)=CC(Cl)=C1 QXJKBPAVAHBARF-BETUJISGSA-N 0.000 description 1
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- QGHREAKMXXNCOA-UHFFFAOYSA-N thiophanate-methyl Chemical group COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC QGHREAKMXXNCOA-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of method using Phytoseiulus Persimilis watermelon tetranychid.The described method includes by Phyloseiulus nersimilis into mite and deutonymph according to 5~30/m2The step of bestowing plant to be prevented.It is demonstrated experimentally that if into mite and acarid control spring greenhouse watermelon and muskmelon, (burst size is 5~30/m using Phyloseiulus nersimilis2) and Watermelon in Greenhouse and muskmelon (burst size is 5~30/m2) on tetranychid, continuous release 2 times obtained good prevention effect, and the average preventive effect of tetranychid can be up to more than 81% in spring greenhouse, and the average preventive effect of tetranychid can be up to more than 78% in greenhouse, and the sustainable pest controlling more than 3 weeks in different facilities.Method provided by the present invention has the advantages that efficient, ecology, safety and lasting period are long, is with a wide range of applications in the field of biological control of watermelon and muskmelon tetranychid.
Description
Technical field
It is more particularly to a kind of to utilize Phytoseiulus Persimilis watermelon and muskmelon the present invention relates to technical field of plant protection
The method of tetranychid.
Background technology
Tetranychid (spider mite) is commonly called as " red spider ", belongs to Arachnoidea (Arachnida) Acarina (Acarina), is
One of primary pest on watermelon, muskmelon, field are occurred with Tetranychus urticae and Tetranychus cinnabarinus mixing.In northern area greenhouse
It can inside breed every year 12-15 generations, high temperature, arid are conducive to breaking out for tetranychid.When early spring temperature rise morning, temperature drift,
Tetranychid generation is early, it is serious to cause harm.Greenhouse since temperature is higher, tetranychid occur it is more early, initial worm sources generally with watermelon and
The transplantation of seedlings of muskmelon kind enters canopy room, also have it is overwintering on canopy indoor wintering or canopy room periphery weeds after the tetranychid that moves into, by wind-force
Or with farming operations diffusive transport, diffusion.To be gathered in the spinning netting of blade back into mite, deutonymph and young mite, thorn inhales juice
Cause harm, aggrieved initial stage occurs pale asphyxia spot in blade, gradually turns yellow, and the shrivelled even whole strain that comes off in advance of blade is dead when serious.
Usually first cause harm lower blade, gradually creeps up, photosynthesis is seriously affected after blade is aggrieved, to the yield of watermelon and muskmelon
Influence is very big, can generally cause melon crop underproduction 15%-20%.
Tetranychid is prevented in production at present mainly to spray based on chemical pesticide, but mite class all easily produces all kinds of pesticides
The resistance to the action of a drug, the in addition upper long-term unreasonable use of production have more triggered the serious resistance to the action of a drug, how have caused prevention effect undesirable
Do not gone under going and buy Chinese medicine " red spider " all.Data shows that the tetranychid on the ground such as Beijing, Shanxi, Shandong, Hainan generates avermectin
The Tetranychus urticae population fold resistance of very high resistance, wherein Miyun Region of Beijing is more than 1000 times；The tetranychid population of some areas
The Multiple Pesticides such as Envidor, pyridaben, Biphenthrin, ethyl pleocidin, propargite, Bifenazate are shown under drug resistance
Drop or in, low-level resistance.Therefore it is noted that medication selects the pesticide wheel different with a variety of mechanisms of action in production
Use is changed, delays drug-fast generation.
Phyloseiulus nersimilis (Phytoseiuluspersimilis) belongs to Arachnoidea (Arachnida), Acarina
(Acarina), Phytoseiidae (Phytoseiidae), is the obligate Predatory Mites of tetranychid.The mite is larger than tetranychid, mobility
By force, creep speed is exceedingly fast, and can control tetranychid rapidly.Young mite not feeding, deutonymph and can catch each mite state of tetranychid into mite
Food.Usual every Phyloseiulus nersimilis can prey on each mite state 5-30 heads of tetranychid daily, and most strong female of prey ability is into mite to tetranychid
The predatory number of ovum be more up to every it is 60-70 daily.Phytoseiidae be current exploitation most species, research it is most deep, using most
Extensive one kind Predatory Mites, are distributed all over the world, can prey on the phytophagous miteses such as tetranychid, goitre mite, tarsonemid, have compared with
High biological and ecological methods to prevent plant disease, pests, and erosion application value.The known kind more than 30 that has that can prey on tetranychid in Phytoseiidae, including Amblysiuss, small phytoseiid mite
Category, Typhlodromus etc., most widely used in the facility of Beijing area is Phyloseiulus nersimilis and the new small peaceful mite of Pasteur.Chile is small
Phytoseiid mite is to be screened out in late 1960s for preventing tetranychid earliest, and is successfully commercially produced.I
State introduced in the seventies and eighties in 20th century Phyloseiulus nersimilis, west it is quiet walk mite and pseudo- new small peaceful mite, for preventing tetranychid.
The content of the invention
The object of the present invention is to provide a kind of using Phytoseiulus Persimilis watermelon and the method for muskmelon tetranychid, including will
Phyloseiulus nersimilis is 5~30/m according to burst size2The step of bestowing watermelon and muskmelon to be prevented；
The watermelon can be small fruit type, middle fruit type and large fruit；Muskmelon can be Melon, thick-skinned melon and netted melon
Deng；
The burst size refers to bestow average commercialization Chile on every square metre of area of the watermelon and muskmelon to be prevented
Small phytoseiid mite quantity.
In the above-mentioned methods, the averag density of the Phyloseiulus nersimilis for bestowing watermelon and muskmelon to be prevented is every square
Plot where meter Suo Shu watermelons to be prevented and muskmelon is 5~30, depending on pest generation light and heavy degree.Release is advanced
A situation arises the investigation of row tetranychid, when tetranychid is only fragmentary occurs, small plant of Chile is discharged on generative center region or plant and is pacified
Mite, every square metre discharges 5~15；When the full field of tetranychid occurs, then carry out full field and uniformly discharge Phyloseiulus nersimilis, burst size
For 20~30 every square metre.
In the above-mentioned methods, the mite state of the Phyloseiulus nersimilis is into mite and deutonymph.
In the above-mentioned methods, when the Phyloseiulus nersimilis mite state be into mite and deutonymph when, the burst size for 5/
m2, 10/m2, 15/m2, 20/m2, 25/m2, 30/m2。
In the above-mentioned methods, described by Phyloseiulus nersimilis is 5~30/m according to burst size2Bestow watermelon to be prevented and
The step of muskmelon is to be carried out 1 time at interval of 5~7 days, is carried out 2~3 times altogether.
In the above-mentioned methods, it is to be ensured that broad spectrum insecticide acaricide should be not used in release area or release field in 10 days, prevent
Loss of the major structure into Phyloseiulus nersimilis.
In the above-mentioned methods, 24% Envidor suspending agent, 73% propargite breast cannot be applied when discharging Phyloseiulus nersimilis
The insecticidal/acaricidal agent such as oil, 15% pyridaben missible oil, Chongmanke missible oil and 0.5% aqueous matrine solution, can be with the mite killing of synergistic application
Agent is that acaricidal cream, hexythiazox missible oil, 20% azocyclotin dispersant are protected in 8%；Conventional sterilization agent is that 40% dimethomorph hangs
Floating agent, 40% prochloraz aqueous emulsion, 50% procymidone wettable powder, 722 grams/L propamocarbs aqua, 2% gram of dew can
Wet powder, 50% carbendazol wettable powder and the 70% supporting application of thiophanate methyl wettable powder, after dispenser, treat liquid
Phyloseiulus nersimilis can be discharged after air-drying.
In the above-mentioned methods, it is described bestow watermelon and muskmelon to be prevented mode be：
When the watermelon and muskmelon for when hanging climing cultivation, by the Phyloseiulus nersimilis, (3000 Chile are small with medium
Phytoseiid mite is uniformly mixed with 450ml media, is 1 bottle, capacity 680ml), medium is vermiculite and sawdust according to volume ratio 1：1
Proportioning, then uniformly assigns to 1 bottle of Phyloseiulus nersimilis mixture in 50-100 release (depending on tetranychid quantity), then
Hang in watermelon and the muskmelon stalk to be prevented, or the Phyloseiulus nersimilis is directly released to the plant to be prevented
On.
When the watermelon and muskmelon are Creeping-culture, the Phyloseiulus nersimilis is directly released to and described treats that prevention is planted
On thing；The mode of the release is concretely inoculated with, or is spread fertilizer over the fields；
The position for bestowing watermelon and muskmelon to be prevented is concretely on watermelon and muskmelon blade, i.e., the leaf that tetranychid occurs
On piece.
In the above-mentioned methods, the tetranychid is not limited to the Tetranychus urticae prevented in the embodiment of the present invention
(Tetranychusurticae) and Tetranychus cinnabarinus (Tetranychuscinnabarinus).
The advantage of the invention is that：
1st, the present invention uses Phyloseiulus nersimilis, is to take from nature to be used for naturally, can be with conservation of nature natural enemy, not dirty
Contaminate environment, maintain the Natural Population ecological balance.
2nd, the present invention carries out tetranychid biological prevention and control using Phyloseiulus nersimilis, and chemical pesticide use can be greatly decreased,
Pesticide residue is reduced, delays and avoid the generation of pest resistance to insecticide.
3rd, the present invention uses Phyloseiulus nersimilis prevention and control watermelon and muskmelon tetranychid, has effect stability, lasting period length, cost
It is relatively low, workable, there is obvious professional advantage in agricultural sustainable development and ecological safety production.
Embodiment
Below by embodiment, the present invention is described in detail.
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.
In following embodiments the variety name of watermelon used be respectively surmount dream (Small-sized watermelon), glad No. 2 of capital (in
Fruit type watermelon)；The kind of muskmelon is respectively that netted melon and goat's horn are crisp.
Phyloseiulus nersimilis used is purchased from Beijing Kuo Ye rural areas Bioisystech Co., Ltd in following embodiments.
Embodiment 1, Phyloseiulus nersimilis key application technical research
1st, materials and methods
Plant used in the present embodiment is watermelon, and kind is to surmount dream；Experiment period, small plant of Chile was pacified to bloom the phase of bearing fruit
Mite is into mite and deutonymph.
(1) influence of the period to Phyloseiulus nersimilis pest control effect is discharged
3 processing are set：
A situation arises for regular personal monitoring tetranychid after handling the field planting of 1 crop, and a situation arises for 1 tetranychid of investigation in every 3 days, works as plant
There is tetranychid and par≤2/piece leaf, 30/m of release Phyloseiulus nersimilis in strain2；
Processing 2 discharges 30/m of Phyloseiulus nersimilis when number of pest >=2 on plant and≤50/piece leaf2；
Processing 3 discharges 30/m of Phyloseiulus nersimilis when number of pest >=50/piece leaf on plant2；After release every
5 points are selected within 7 days in solarium, take 1 plant, selects the blade of upper, middle and lower 3 to be investigated, and records evil mite quantity at every.
(2) influence of the burst size to Phyloseiulus nersimilis pest control effect
According to Phyloseiulus nersimilis prey ability result of study early period, 8 different burst size processing, personal monitoring are set
A situation arises for tetranychid, when tetranychid and par≤2 head/plant occurs in plant, according to 5/m of burst size2, 10/m2, 15/
m2, 20/m2, 25/m2, 30/m2, 35/m2, 40/m2Release Phyloseiulus nersimilis is carried out, 43% Bifenazate suspends
Agent (Mai Demei agricultural solutions Co., Ltd) is used as comparison medicament, and 1d, 3d, 7d, 14d, 28d investigate pest number after processing
Amount.Each processing takes 5 points, and every takes 2 plants, selects the blade of upper, middle and lower 3 to be investigated, and records tetranychid quantity.
Calculate the Revision insect recluced rate and preventive effect of each processing.
2nd, data statistics
Test data application SPSS statistical analysis softwares are analyzed, and significance difference analysis uses the new multipoles of DuncanShi
Poor method (SSR).
3rd, result
(1) influence of the Phyloseiulus nersimilis release period to pest control effect
As it can be seen from table 1 the preventive effect significant difference of the release time of different disposal, illustrates release period to the small plant of Chile
The pest control effect of peaceful mite has a great influence.When occurring tetranychid and par≤2/piece leaf on plant, release Chile is small for processing 1
Phytoseiid mite can play good prevention effect, and preventive effect reaches up to 82.3% during 7d, and when 28d is arrived in lasting investigation, preventive effect is still
For 69.2%；Processing 2 when tetranychid quantity >=2 on plant and≤50/piece leaf, release Phyloseiulus nersimilis can also play compared with
Good prevention effect, preventive effect is still 54.7% when preventive effect reaches up to 73.2%, 28d during 14d；Processing 3 occurs when on plant
When tetranychid and par >=50/piece leaf, release Phyloseiulus nersimilis control effect is poor, and preventive effect reaches up to during 14d
Preventive effect has been -14.6% when 28.1%, 28d.
Result of the test further demonstrates that, at tetranychid population number relatively low (par≤2/piece leaf), release Chile
Small phytoseiid mite, can control the generation of tetranychid, but when tetranychid quantity is more (par >=50/piece leaf) well, prevent
It is poor to control effect, tetranychid quantity rapid development, it is difficult to control field to endanger.Phyloseiulus nersimilis is as a kind of biological prevention
Means, will carry out releasing effect more preferably in tetranychid early period of origination.
Prevention effect of the Phyloseiulus nersimilis in the different release periods of table 1 to tetranychid
Note：Data are average value ± standard error in table 1, and (P (is put significant difference between representing different disposal with a, b after column data
Believe section)<0.05, LSD test (least significant difference test)).
(2) influence of the Phyloseiulus nersimilis burst size to pest control effect
As known from Table 2, when field manually monitors tetranychid quantity≤2/piece leaf, with Phyloseiulus nersimilis burst size
Increase, control effect constantly raises, and the density for discharging Phyloseiulus nersimilis is 30/m2, 35/m2, 40/m2, after 7d
Reach good control effect, three's preventive effect is more than 80%, and without significant difference between three；35/m after 14d2, 40/
m2Control effect begin to decline, 40/m2Effect decline it is the most obvious.Release density is 20/m2With 25/m2When,
Preventive effect and 30/m during 14d2No significant difference, when 28d is substantially better than chemical agent.Release density is 10/m2With 15/
m2When, preventive effect during 7d is suitable with comparison medicament (Bifenazate) preventive effect, and is better than chemical control in the lasting effect of field.Biphenyl
For hydrazine ester prevention and control tetranychid in 3d, preventive effect reaches highest, is 87.3%, but as the time elapses, preventive effect constantly reduces.Test at the same time
For as shown by data when field tetranychid quantity is too big, low-density release Phyloseiulus nersimilis is difficult to play the role of controlling tetranychid.
Personal monitoring should be combined during Field information, Predatory Mites should be discharged as early as possible.It is mostly spot film that field tetranychid, which occurs, such as
Early stage preventative release Phyloseiulus nersimilis, considers, release density is 5~10/m from economic and pest control effect2
It is advisable；Later stage can according to tetranychid, a situation arises, at center plant weight point discharge, by 15/m2Or 20/m2Spot film discharges, can be effective
Prevention and control field tetranychid occurs, while saves cost, saves artificial；If full field generally occurs, and tetranychid par for >=2 and
During≤50/piece leaf, from economic and comprehensive pest controlling angle, according to 25/m2Or 30/m2Release carries out prevention and control.
The Phyloseiulus nersimilis of the different release density of table 2 is to Control of Pest Mites effect
Note：Data are average value ± standard error in table 2, and with after column data, different letters represent significant difference between different disposal
(P<0.05,LSD test)。
Embodiment 2, using the tetranychid on Phytoseiulus Persimilis Small-sized watermelon
1st, experiment material
Phyloseiulus nersimilis (Phytoseiuluspersimilis) is into mite and deutonymph：For examination hall institute：Spring and autumn canopy；
Test site：Daxing District Liu Minzhuan villages；
For studying thing：The Small-sized watermelon of 45-50 days after field planting, kind are to surmount dream；
Controlling object：Tetranychid, the Tetranychus urticae and Tetranychus cinnabarinus of melon crop of predominantly causing harm.
2nd, experimental method
3 processing of experimental setup：Discharge Phyloseiulus nersimilis processing, Chemical treatment (43% Bifenazate suspending agent)
And blank control, 3 repetitions are each handled, a cell is each repeated as, 9 cells is set altogether, using RANDOMIZED BLOCK DESIGN.Often
The area of a cell is 50 square metres, 200~250 plants.Two long 5 meters, wide 2 meters of isolated area are set between each processing.
It is described release Phyloseiulus nersimilis processing be：On May 12nd, 2017, early monitoring is manually carried out, when on plant
When there is tetranychid and par≤2/piece leaf, 5~15/m of Phyloseiulus nersimilis is discharged2；When indivedual core trees are averaged
When tetranychid quantity >=2 and≤50/piece leaf, 20~30/m of Phyloseiulus nersimilis is discharged2, that is, bestow Chile of watermelon to be prevented
Plot where the averag density of small phytoseiid mite is watermelon to be prevented described in every square metre is 5~30, is occurred with specific reference to tetranychid
Depending on light and heavy degree.The step of preventing watermelon is to be carried out 1 time at interval of 5~7 days, is carried out 2~3 times altogether.
Delivery mode is：Spread fertilizer over the fields, be directly released on the blade of watermelon to be prevented, i.e., on the blade that tetranychid occurs.
3rd, data survey
May 26, before processing was investigated each repetition using 5 fix point methods, each clicked 5 plant, Mei Gezhi
Strain investigation upper, middle and lower three pieces blade, records tetranychid insect population, is then handled, respectively 1d, 3d after treatment,
The tetranychid quantity on plant that 7d, 14d, 28d investigation each pinpoint (unit is head/piece).
Calculate the Revision insect recluced rate and preventive effect of each processing.
4th, experimental result
As shown in table 3 the result shows that：It is good anti-into having to watermelon tetranychid after mite and deutonymph to discharge Phyloseiulus nersimilis
Effect is controlled, after discharging Phyloseiulus nersimilis 7d, the Revision insect recluced rate for the treatment of group can reach 76.8%, and prevention effect is
76.4%, the prevention effect 86.3% of Bifenazate (comparison medicament)；After 14d, the insect population decline of Phyloseiulus nersimilis treatment group
Rate is still 82.9%, prevention effect 83.4%, and the prevention effect of Bifenazate (comparison medicament) is 67.1%；After 28d, processing
The Revision insect recluced rate of group is still 63.9%, prevention effect 62.5%, the prevention effect of Bifenazate (comparison medicament) for-
12.4%.Phyloseiulus nersimilis discharges 2 times in this experiment, and release interval is 7 days.Result of the test is shown, using the small plant of Chile
Peaceful mite can effectively control the generation of watermelon tetranychid, and preventive effect is suitable with chemical agent after discharging 7d, and the preventive effect after 14d and 28d is notable
Higher than comparison medicament, further demonstrate that Phyloseiulus nersimilis can continue pest controlling 3~4 weeks, there is good continuation, Ke Yi great
Width reduces the use of chemical insecticide.
Prevention effect of 3 Phyloseiulus nersimilis of table to Small-sized watermelon tetranychid
Note：Data are average value ± standard error in table 4, and with after column data, different letters represent significant difference between different disposal
(P<0.05,LSD test)。
Embodiment 3, using the tetranychid on Phytoseiulus Persimilis muskmelon
1st, experiment material
Phyloseiulus nersimilis (Phytoseiuluspersimilis) is into mite and deutonymph：3000 every bottle,
For examination hall institute：Heliogreenhouse
Test site：Shunyi District is along special vegetables production base；
For studying thing：The muskmelon of 40-50 days after field planting, kind are crisp for goat's horn；
Controlling object：Tetranychid, the Tetranychus urticae and Tetranychus cinnabarinus of melon crop of mainly causing harm.
2nd, experimental method
3 processing of experimental setup：Discharge Phyloseiulus nersimilis processing, Chemical treatment (43% Bifenazate suspending agent)
And blank control, 3 repetitions are each handled, a cell is each repeated as, 9 cells is set altogether, using RANDOMIZED BLOCK DESIGN.Often
The area of a cell is 200 square metres, 150~200 plants.Two long 8 meters, wide 4 meters of isolated area are set between each processing.
It is described release Phyloseiulus nersimilis processing be：On May 17th, 2017, early stage personal monitoring, when occurring on plant
When tetranychid and par≤2/piece leaf, 5~15/m of Phyloseiulus nersimilis is discharged2；When indivedual core trees are averaged tetranychid
When quantity >=2 and≤50/piece leaf, 20~30/m of Phyloseiulus nersimilis is discharged2, that is, bestow the Chilean small plant of muskmelon to be prevented
Plot where the averag density of peaceful mite is muskmelon to be prevented described in every square metre is 5~30, and weight occurs with specific reference to pest
Depending on degree.The step of preventing muskmelon is to be carried out 1 time at interval of 5~7 days, is carried out 2~3 times altogether.
Delivery mode is：Spread fertilizer over the fields, be directly released on the blade of muskmelon to be prevented, i.e., on the blade that tetranychid occurs.
3rd, data survey
May 17, before processing was investigated each repetition using 5 fix point methods, each clicked 5 plant, Mei Gezhi
Strain investigation upper, middle and lower three pieces blade, record tetranychid insect population, then handled, respectively after treatment the 1st, 3,7,
14th, the 28 days tetranychid quantity investigated on the plant each pinpointed (unit is head/piece).
Calculate the Revision insect recluced rate and preventive effect of each processing.
4th, experimental result
As shown in table 4 the result shows that：It is good anti-into having to watermelon tetranychid after mite and deutonymph to discharge Phyloseiulus nersimilis
Effect is controlled, after discharging Phyloseiulus nersimilis 7d, the Revision insect recluced rate for the treatment of group can reach 84.3%, and prevention effect is
81.5%, the prevention effect 87.2% of Bifenazate (comparison medicament)；After 14d, the insect population decline of Phyloseiulus nersimilis treatment group
Rate is still 79.1%, prevention effect 75.4%, and the prevention effect of Bifenazate (comparison medicament) is 67.6%；After 28d, processing
The Revision insect recluced rate of group is still 62.5%, prevention effect 60.2%, the prevention effect of Bifenazate (comparison medicament) for-
5.9%.Phyloseiulus nersimilis discharges 2 times in this experiment, and release interval is 7 days.Result of the test is shown, is pacified using small plant of Chile
Mite can effectively control west
The generation of melon tetranychid, preventive effect is suitable with chemical agent after discharging 7d, and the preventive effect after 14d and 28d is significantly higher than control
Medicament, further demonstrates that Phyloseiulus nersimilis can continue pest controlling 3~4 weeks, has good continuation, can efficiently substitute and subtract
The use of few Chemical acaricide.
Prevention effect of 4 Phyloseiulus nersimilis of table to muskmelon tetranychid
Note：Data are average value ± standard error in table, and with after column data, different letters represent significant difference between different disposal
(P<0.05, LSD test).
Claims (6)
1. it is a kind of using Phytoseiulus Persimilis watermelon and the method for muskmelon tetranychid, including by Phyloseiulus nersimilis according to release
Measure 5~30/m2The step of bestowing watermelon and muskmelon to be prevented.
2. according to the method described in claim 1, it is characterized in that：When there is tetranychid and par≤2/piece leaf in plant,
Phyloseiulus nersimilis, every square metre of release 5-15 head are discharged on generative center region or plant；When the full field of tetranychid occurs, then
Carry out full field and uniformly discharge Phyloseiulus nersimilis, burst size is 20~30 every square metre.
3. method according to claim 1 or 2, it is characterised in that：The mite state of the Phyloseiulus nersimilis include into mite and
Deutonymph, the burst size are 5/m2, 10/m2, 15/m2, 20/m2, 25/m2, 30/m2。
4. method according to claim 1 or 2, it is characterised in that：Area or release field are discharged it is ensured that not making in 10 days
With broad spectrum insecticide acaricide.
5. according to the described method of any one of claim 1-4, it is characterised in that：It is described by Phyloseiulus nersimilis according to every
1 release was carried out every 5~7 days, carries out 2~3 release altogether.
6. according to the method described in claim 5, it is characterized in that：It is described that Phyloseiulus nersimilis is carried out 1 according at interval of 7 days
It is secondary, discharge 2 times altogether.
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| CN108849307A (en) * | 2018-06-22 | 2018-11-23 | 北京市植物保护站 | A method of greenhouse vegetable aleyrodid is prevented and treated using cigarette fleahopper |
| CN113647283A (en) * | 2021-09-10 | 2021-11-16 | 潍坊学院 | Biological control method for tetranychidae vegetables |
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| CN105075746A (en) * | 2015-08-18 | 2015-11-25 | 中国农业科学院植物保护研究所 | Method for preventing and controlling tetranychid mites of fruits and vegetables through predatory mites |
| CN105075745A (en) * | 2015-08-18 | 2015-11-25 | 中国农业科学院植物保护研究所 | Method for preventing and controlling spider mites of horticultural plants through predatory mites |
| CN105104028A (en) * | 2015-08-10 | 2015-12-02 | 中国农业科学院植物保护研究所 | Method of efficiently preventing and treating tetranychidae of leaf vegetables by predatory mites |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104222012A (en) * | 2013-06-21 | 2014-12-24 | 中国农业科学院植物保护研究所 | Predatory mite mass breeding method by breeding spider mites |
| CN104855188A (en) * | 2015-06-02 | 2015-08-26 | 邵显芝 | Method for efficiently preventing strawberry spider mites with predaceous mites |
| CN105104028A (en) * | 2015-08-10 | 2015-12-02 | 中国农业科学院植物保护研究所 | Method of efficiently preventing and treating tetranychidae of leaf vegetables by predatory mites |
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| CN108849307A (en) * | 2018-06-22 | 2018-11-23 | 北京市植物保护站 | A method of greenhouse vegetable aleyrodid is prevented and treated using cigarette fleahopper |
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