CN102669086A - Novel method for preventing hyphantria cunea by means of Chouioia cunea Yang - Google Patents
Novel method for preventing hyphantria cunea by means of Chouioia cunea Yang Download PDFInfo
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- CN102669086A CN102669086A CN2012101763580A CN201210176358A CN102669086A CN 102669086 A CN102669086 A CN 102669086A CN 2012101763580 A CN2012101763580 A CN 2012101763580A CN 201210176358 A CN201210176358 A CN 201210176358A CN 102669086 A CN102669086 A CN 102669086A
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Abstract
The invention discloses a novel method for preventing hyphantria cunea by means of Chouioia cunea Yang. The method mainly includes steps of selecting a forestland, hanging tussah pupa with the parasitic Chouioia cunea Yang and releasing the Chouioia cunea Yang. According to the method, the Chouioia cunea Yang with the intervals of the bee born time from 5-7 days are released for one time to prevent the hyphantria cunea, and the difference of the bee born time of the Chouioia cunea Yang ranges from 5 days to 7 days; the parasitic rate of the Chouioia cunea Yang on the hyphantria cunea is high, the control efficacy is good, and the control is complete; and the control cost is low, and the method is simple in using, obvious in economic benefits, ecological benefits and social benefits, good in popularization and application prospects and capable of protecting natural enemies of the hyphantria cunea from being killed.
Description
Technical field
The present invention relates to fall webworm Prevention Technique field, specifically, relate to a kind of new method of utilizing Chouioia cunea control fall webworm.
Background technology
Fall webworm Hyphantria cunea (Drury) has another name called U.S. moths attracted by lamplight, autumn curtain caterpillar, Qiu Mue, belongs to Lepidoptera, Arctiidae.It is the worldwide quarantine pest insect that attracts worldwide attention.Main harm fruit tree, street tree and ornamental trees and shrubs are especially attached most importance to broad-leaved tree.Ornamental trees and shrubs, economic forest, field safeguarding forest etc. are caused serious harm.The first batch of exotic invasive species of China have been put at present.
Fall webworm are defoliators of a kind of serious harm various plants.Its harm characteristics: the one, feeding habits are assorted, can endanger the various plants that comprises forest, fruit tree, crops, flowers; The 2nd, fertility is strong, 1 year breeding three generations, and early spring, 1 pair of fall webworm adult through behind the three generations, can breed 0.77 hundred million larva; The 3rd, the route of transmission is wide, can do remote propagation with goods, means of transport etc. throughout the year; The 4th, harm is serious, can in the extremely short time, eat up the blade of all green plantss, serious threat ecological safety during outburst.Fall webworm are forestry pest, are again pest, have listed global quarantine object in.Though the chemical prevention and control method instant effect of the routine that the control fall webworm are taked, the chemicals that sprays away is contaminated environment both, can kill and wound other useful various pest natural enemies again; Spend 1 year, the pesticide resistance of fall webworm has strengthened, and also can stage a comeback, and will produce more serious disaster to each plant species, ecotope.
The three generations took place in 1 year in the area, Shandong in fall webworm, cocoond with pupa and in bark crack, ground leaf-cover or topsoil, survived the winter.Whole larva is totally 7 ages, and the 1-3 instar larvae is harm in net curtain, the harm of scoring a goal of 4 instar larvaes.
In recent years, we are based on biological control in the research of fall webworm Prevention Technique, with reach sustainable Control, repairing environment is a target, under prerequisite free from environmental pollution, prevents and treats fall webworm.The method of conventional biological control fall webworm is to utilize Chouioia cunea, and the best worm attitude of preventing and treating fall webworm with Chouioia cunea is that the mature larva Sheng phase is to the initial stage of pupating.Exist individual difference own and receive external influence because the fall webworm mature larva is grown, show development progress difference, along with the increase in age of larva worm, the difference more and more significant that development progress shows.The method of conventional biological control fall webworm is, discharges Chouioia cunea for the first time in the phase of the containing beginning of fall webworm mature larva, discharges Chouioia cunea latter stage for the second time in the Sheng of fall webworm mature larva, puts honeybee general 5-7 days at interval twice.Discover by inquiry; There are some problems in the method for twice Chouioia cunea control of the release of this routine fall webworm: one is twice release Chouioia cunea; Blanking time is short, is difficult to hold the best worm attitude of fall webworm and Chouioia cunea cooperation; The 2nd, discharge fine, the gentle breeze of Chouioia cunea requirement, but put the honeybee time on the occasion of rainy season, very difficult selection meets the weather of release; Three is twice release Chouioia cunea, has increased the control cost greatly.So just, delayed the best control time, the machine of can taking the opportunity has been arranged for local fall webworm diffusion, caused control not thorough, thereby influenced control efficiency.
Summary of the invention
Technical problem to be solved by this invention is: a kind of new method of utilizing Chouioia cunea control fall webworm is provided, to reduce the control cost, improves control efficiency.
For solving the problems of the technologies described above, technical scheme of the present invention is: utilize the new method of Chouioia cunea control fall webworm, may further comprise the steps
(1) select the forest land: select that fall webworm net curtain is arranged, have worm strain rate below 10%, average population density is in the forest land of 10～20/strain;
(2) the parasitic tussah chrysalis that Chouioia cunea is arranged of suspension: parasitism is had Chouioia cunea and goes out a plurality of tussah chrysalis mix and match of 5～7 days of honeybee time phase difference, be suspended on afterwards on the same plant;
(3) put honeybee: select the date of calm or gentle breeze, discharge Chouioia cunea.
Preferably, in the said step (2), the mix and match ratio of a plurality of tussah chrysalis is that the tussah chrysalis that Chouioia cunea early is born is 2:1 with the ratio of the tussah chrysalis of Chouioia cunea birth in evening.
Preferably, in the said step (3), the time that discharges Chouioia cunea is selected in the morning 10 up at 5 o'clock in afternoon.
Preferably, in the said step (3), the time that discharges Chouioia cunea is selected at dusk.
Owing to adopted technique scheme; The invention has the beneficial effects as follows: with discharge Chouioia cunea twice of routine and compare, the present invention adopts and once discharges the Chouioia cunea that different time goes out honeybee and prevent and treat fall webworm, is convenient to hold the best worm attitude of fall webworm and Chouioia cunea cooperation; Control best control opportunity; Avoided fall webworm to seize the opportunity the possibility of diffusion, thereby prevented and treated thoroughly, control efficiency is good; And, once discharge with twice release and compare, can significantly reduce the input of human and material resources, can significantly reduce the control cost, reach the effect of getting twice the result with half the effort.
In sum, once discharge honeybee 5-7 days the new method of Chouioia cunea control fall webworm at interval of the present invention prevent and treat with low costly, and method is used simple, and is economical, ecological, social benefit is obvious, protects natural enemy, and popularizing application prospect is wide.
Embodiment
Below in conjunction with embodiment the present invention is done further explain.Should be appreciated that specific embodiment described herein only is used to explain the present invention, but not be used to limit the present invention.
1, select the forest land: select that fall webworm net curtain is arranged, have worm strain rate below 10%, average population density is in the forest land of 10～20/strain.Saline land ash tree, sandy loam 107 willows, loam apple tree that we have set up with the life in 2 years of planting (seeding row spacing is 2 meters * 3 meters) are experimental subjects.Every kind of trees are set up 10 points for investigation, are provided with by same standard and handle contrast.
2, the parasitic tussah chrysalis that Chouioia cunea is arranged of suspension: parasitism is had Chouioia cunea and goes out a plurality of tussah chrysalis mix and match of 5～7 days of honeybee time phase difference, be suspended on afterwards on the same plant.Wherein, the ratio of 5～7 days tussah chrysalis of Chouioia cunea tussah chrysalis of early being born and Chouioia cunea birth in evening is preferably 2:1.Suspension height both had been convenient to operating personnel's suspension generally between 1.2 meters～2 meters, was unlikely to again to spend because of height lowly to be taken away tussah chrysalis by child.
Chouioia cunea is a kind of advantage parasitic wasp; Only about 1 millimeter of honeybee height, parasitic rate is high, fertility is strong, and Lepidoptera pests such as fall webworm " are shown special preference to "; Can oopod be thrust in the insect pupas such as fall webworm; And in pupa growing, exhaust in the parasitic pupa all nutrition, have the good reputation of " the little bodyguard of forest ".
Chouioia cunea is trooped and is parasitized in the pupa of fall webworm, all in host's pupa, spends the preoviposition period of its ovum, larva, pupa and adult.At local occurring in nature, can take place in 1 year 6-7 generation.Under indoor artificial culture condition, development duration is different and different with environment.
Indoor observation shows, Chouioia cunea post-coitum in pin main body is broken host's puparium by the teeth and the female one-tenth honeybee that goes out, under 21 ℃ room temperature, can survive 15 days, under 28-30 ℃ room temperature, can survive 8-10 days; Adult horizontal flight distance once can reach 45 meters, and vertical height can reach 40 meters, has the stronger ability of circling in the air.In 3-5 days, Chouioia cunea preservation and parasitic rate are higher under the natural environment.
Cultivate in the process of Chouioia cunea in artificial propagation, can calculate Chouioia cunea through the effective accumulated temperature formula and grow required time and worm attitude, it is controlled to make it go out the honeybee time.The artificial propagation of Chouioia cunea is cultivated being at present ripe prior art, gives unnecessary details no longer in detail at this.
3, put the honeybee time: go out the honeybee time according to the controlled of weather forecasting and aforementioned calculation; The date that is chosen in calm or gentle breeze makes the broken tussah chrysalis of Chouioia cunea and goes out; Prevent height only the Chouioia cunea of 1 millimeter blown away by wind, thereby little bee eclosion and go out the back and seek fall webworm pupa host ovipositing hosts.Going out the honeybee time can be selected in and carried out up at 5 o'clock in afternoon the morning 10, and this moment is bright and clear, is convenient to chalcid fly flight, seeks fall webworm pupa host and ovipositing hosts.The the dusk time is also relatively good, and a little less than the wind, pitch-dark, chalcid fly is difficult for dispersing, and also can replenish dew and nectar at this moment, and it is parasitic to help the chalcid fly survival.
Control cost with Chouioia cunea control fall webworm new method of the present invention mainly comprises: Chouioia cunea purchase commodity, labour cost, traffic expense and other expense.Through our large-area for many years application, calculate used expense through weighted mean and mathematical statistics, general every mu of expenses for prevention and control is merely 5.33 yuan (4.73-5.93 unit/mus).
Subordinate list is: employing of the present invention is once discharged the method that different time goes out the Chouioia cunea control fall webworm of honeybee make comparisons with the method that discharges Chouioia cunea control fall webworm for conventional twice.
Subordinate list explanation: A1: represent the Chouioia cunea that different time goes out honeybee that once discharges of the present invention, prevent and treat first generation fall webworm; A2: represent twice conventional release Chouioia cunea, prevent and treat first generation fall webworm; B1: represent the Chouioia cunea that different time goes out honeybee that once discharges of the present invention, prevent and treat second generation fall webworm; B2: represent twice conventional release Chouioia cunea, prevent and treat second generation fall webworm.
Can be found out by subordinate list: once discharge the Chouioia cunea that different time goes out honeybee, the accumulative total pupa parasitic rate of preventing and treating first generation fall webworm is 52.97%; Discharge Chouioia cunea twice, the accumulative total pupa parasitic rate of preventing and treating first generation fall webworm is 51.82%.One time release ratio discharges Chouioia cunea twice, and the accumulative total pupa parasitic rate of preventing and treating first generation fall webworm is high by 1.15%, but the control cost is merely 50%.
Therefore, the present invention adopts and once to discharge Chouioia cunea that different time goes out honeybee to prevent and treat fall webworm be feasible.Chouioia cunea is high to the parasitic rate of fall webworm pupa in this new method, and control efficiency is good, and control thoroughly; And prevent and treat with low costly, method is used simple, and is economical, ecological, social benefit is obvious, the protection natural enemy, and popularizing application prospect is wide.
Claims (4)
1. utilize the new method of Chouioia cunea control fall webworm, it is characterized in that, may further comprise the steps
(1) select the forest land: select that fall webworm net curtain is arranged, have worm strain rate below 10%, average population density is in the forest land of 10～20/strain;
(2) the parasitic tussah chrysalis that Chouioia cunea is arranged of suspension: parasitism is had Chouioia cunea and goes out a plurality of tussah chrysalis mix and match of 5～7 days of honeybee time phase difference, be suspended on afterwards on the same plant;
(3) put honeybee: select the date of calm or gentle breeze, discharge Chouioia cunea.
2. the new method of utilizing Chouioia cunea control fall webworm as claimed in claim 1; It is characterized in that; In the said step (2); The mix and match ratio of a plurality of tussah chrysalis is that the tussah chrysalis that Chouioia cunea early is born is 2:1 with the ratio of the tussah chrysalis of Chouioia cunea birth in evening.
3. according to claim 1 or claim 2 the new method of utilizing Chouioia cunea control fall webworm is characterized in that in the said step (3), the time that discharges Chouioia cunea is that the morning 10 is up at 5 o'clock in afternoon.
4. according to claim 1 or claim 2 the new method of utilizing Chouioia cunea control fall webworm is characterized in that in the said step (3), the time that discharges Chouioia cunea be the dusk.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105296498A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp40 (Heat shock protein) and application |
| CN105296495A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp60 (Heat shock protein) and application |
| CN105296497A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp83 (Heat shock protein) and application |
| CN105296496A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp70 (Heat shock protein) and application |
| CN105420244A (en) * | 2015-11-26 | 2016-03-23 | 天津师范大学 | cDNA total-length sequence of Chouioia cunea heat shock protein Hsp90 and application |
| CN105850897A (en) * | 2016-05-09 | 2016-08-17 | 漯河市森林病虫害防治检疫站 | Artificial multiplication method for tetrastichus septentrionalis |
| CN113287456A (en) * | 2021-06-21 | 2021-08-24 | 巢湖市友林林业有害生物防治有限公司 | Biological control method for fall webworms |
| CN113317282A (en) * | 2021-06-20 | 2021-08-31 | 沈阳农业大学 | Method for preventing and treating fall webworms by using golden wasps |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105296498A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp40 (Heat shock protein) and application |
| CN105296495A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp60 (Heat shock protein) and application |
| CN105296497A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp83 (Heat shock protein) and application |
| CN105296496A (en) * | 2015-11-26 | 2016-02-03 | 天津师范大学 | cDNA full-length sequence of Chouioia cunea Yang Hsp70 (Heat shock protein) and application |
| CN105420244A (en) * | 2015-11-26 | 2016-03-23 | 天津师范大学 | cDNA total-length sequence of Chouioia cunea heat shock protein Hsp90 and application |
| CN105420244B (en) * | 2015-11-26 | 2018-10-26 | 天津师范大学 | Zhou Shi nibbles cDNA full length sequences and the application of chalcid fly heat shock protein Hsp90 |
| CN105296498B (en) * | 2015-11-26 | 2018-10-26 | 天津师范大学 | Zhou Shi nibbles cDNA full length sequences and the application of chalcid fly heat shock protein Hsp40 |
| CN105850897A (en) * | 2016-05-09 | 2016-08-17 | 漯河市森林病虫害防治检疫站 | Artificial multiplication method for tetrastichus septentrionalis |
| CN105850897B (en) * | 2016-05-09 | 2018-10-26 | 漯河市森林病虫害防治检疫站 | A kind of artificial fecundation method of Tetrastichus septentrionalis |
| CN113317282A (en) * | 2021-06-20 | 2021-08-31 | 沈阳农业大学 | Method for preventing and treating fall webworms by using golden wasps |
| CN113317282B (en) * | 2021-06-20 | 2022-07-12 | 沈阳农业大学 | Method for preventing and treating fall webworms by using golden wasps |
| CN113287456A (en) * | 2021-06-21 | 2021-08-24 | 巢湖市友林林业有害生物防治有限公司 | Biological control method for fall webworms |
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Application publication date: 20120919 |