CN106614396A - Method for feeding sitotroga cerealella by utilizing unhusked rice - Google Patents

Method for feeding sitotroga cerealella by utilizing unhusked rice Download PDF

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Publication number
CN106614396A
CN106614396A CN201611096744.3A CN201611096744A CN106614396A CN 106614396 A CN106614396 A CN 106614396A CN 201611096744 A CN201611096744 A CN 201611096744A CN 106614396 A CN106614396 A CN 106614396A
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China
Prior art keywords
gelechiid
paddy
ova
raises
utilization
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CN201611096744.3A
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Inventor
白树雄
太红坤
韩永连
郑礼
王振营
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YUNNAN DEHONG DAI AND JINGPO AUTONOMOUS PREFECTURE PLANT PROTECTION AND PLANT QUARANTINE STATION
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Institute of Plant Protection of Chinese Academy of Agricultural Sciences
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Priority to CN201611096744.3A priority Critical patent/CN106614396A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/033Rearing or breeding invertebrates; New breeds of invertebrates

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The invention relates to the field of biological prevention and control, in particular to a method for feeding sitotroga cerealella by utilizing unhusked rice. The method comprises the steps that unhusked rice is sterilized; sitotroga cerealella eggs are inoculated to the sterilized unhusked rice; the sitotroga cerealella eggs are fed under the conditions of the temperature of 25-28 DEG C and the humidity of 70-80% to obtain adult sitotroga cerealella. A large number of host eggs is obtained by utilizing the method and the unhusked rice to feed the sitotroga cerealella, and a choice is provided for trichogramma popularization and application in regions lack of barley resources.

Description

A kind of method that utilization paddy raises gelechiid
Technical field
The present invention relates to field of biological control, and in particular to a kind of method that utilization paddy raises gelechiid.
Background technology
Trichogramma (Trichogramma westwood) category Hymenoptera (Hymenoptera), apocrita (Apocrita) Chalcidoidea (Chalcidoidea), Trichogrammatidae (Trichogrammatidae), Trichogramma spp is a kind of egg parasitoidses;Its The whole world is distributed across, species is various, the current whole world records altogether Trichogramma spp more than 180 and plants, and China have recorded 29 kinds.Trichogramma Become in the biology prevention and control of modern agriculture and forestry injurious insect that research history is at most, range of application is most wide, preventing and treating area is maximum, anthelminthic effect most The good important egg parasitoidses of a class;Using the agriculture and forestry injurious insect of trichogramma success prevention and control up to as many as 28 kinds.
The research of trichogramma host egg has played great impetus to the application development of trichogramma.It is used in the world at present The host egg of large-scale production has the hosts such as gelechiid ova, Anagasta kuehniella ovum, rice moth egg, squeezing silkworm seed.Gelechiid ova is current generation The host egg of trichogramma large-scale production is widely used in boundary, mainly gelechiid is raised using barley, but in many regional barleys Resource is relative to be lacked, and the breeding technology using other host eggs falls behind, to the application band of trichogramma biology Control Technology Serious hindrance is carried out.Simultaneously recent years, the barley market price goes up all the way, increased the feeding cost of trichogramma.
Can paddy rice be the staple food crop in many Asian countries and south China area, be used to raise vector wheat Moth is so as to amount reproduction trichogramma is there is not yet relevant report.
The content of the invention
It is an object of the invention to provide a kind of method that utilization paddy raises gelechiid.
Utilization paddy of the invention is raised the method for gelechiid and is comprised the following steps:
(1) paddy is carried out disinfection;
(2) to the paddy inoculation gelechiid ova after sterilization;
(3) in 25~28 DEG C of temperature, gelechiid ova is raised under conditions of humidity 70~80%, obtains gelechiid adult.
The method that the utilization paddy of specific embodiment of the invention raises gelechiid, in step (1), paddy is put Enter in water and soak, remove impurity, under 0.02MPa~0.04MPa pressure, using steam to paddy sterilization 30min.
The method that the utilization paddy of specific embodiment of the invention raises gelechiid, in step (2), per 2kg rice Paddy, is inoculated with gelechiid ova 3ml.
The method that the utilization paddy of specific embodiment of the invention raises gelechiid, in step (3), raises gelechiid After ovum 25 days, paddy is transferred to imago breeding frame and is raised to moth and is sprouted wings, and collect gelechiid ova.
The utilization paddy of specific embodiment of the invention raises the method for gelechiid, repeat step (1)-step (3) 5 It is secondary.
The utilization paddy of specific embodiment of the invention is raised the method for gelechiid and is comprised the following steps:
(1) by paddy be put into water soak 20min after, remove impurity, after leak, load disinfecting container, 0.02MPa~ Under 0.04MPa pressure, using steam to paddy sterilization 30min.In the raising of gelechiid, easily by other insects, such as tyrophagus putrescentiae, spider Spider is infected, and so as to pollute whole workshop, affects gelechiid to raise, it is therefore desirable to periodically to disappear to raising apparatus and workshop Poison, or gelechiid population is introduced again.
(2) after cooling at room temperature, paddy is transferred in larva raising disk, often disk 2kg, is inoculated with the gelechiid that will hatch Ovum 3ml.At room temperature, gelechiid egg development is very fast, then becomes within 3-5 days red or larvae hatch, reduce Trichogramma effect or Cannot be parasitic, it is therefore desirable to collect gelechiid ova on time, and it is fresh-keeping under conditions of being stored in 3-5 DEG C.
(3) in 25~28 DEG C of temperature, after raising 25 days under conditions of humidity 70~80%, paddy is transferred to respectively adult Raise frame and raise to moth and sprout wings, gelechiid ova is obtained by adult disposable box and spawning box.
Similar to barley due to there is clever shell outside paddy but thicker than barley, it affects the moth food rate of gelechiid larva, so as to The utilization rate of paddy is reduced, increases feeding cost.For this purpose, the method for the raising gelechiid of specific embodiment of the invention is first First be soaked in water paddy, then using the damp and hot sterilization of high temperature, both can sterilize, and can make clever shell soft again, is conducive to larva moth food, from And the quantity that gelechiid breeds is effectively increased, reduce feeding cost.
The method of the raising gelechiid of specific embodiment of the invention, test is repeated 5 times, and main detection record is sprouted wings Gelechiid adult quantity, body size, life-span, egg laying amount, the size of ovum, development duration.From the beginning of sprouting wings from gelechiid, collect daily Gelechiid adult and gelechiid ova, wherein gelechiid ova obtain after net ovum, with graduated cylinder its yield being measured by knot screen, remember respectively Record adult quantity and egg laying amount.
The method of the raising gelechiid of the present invention is raised gelechiid and obtains a large amount of host eggs using paddy, especially for barley money The regional popularization and application trichogramma that source lacks provides chance.The present invention gives full play to the advantage of biological control, is reduced or avoided Using agricultural chemicals, increase the bio-diversity of field species, with minimum ecological cost, cover crop healthy growth, increase food Security, promotes the sustainability of environment, reaches preferable overall economic efficiency.
Specific embodiment
Embodiment 1
It is to raise the gelechiid ova that gelechiid obtains using barley for trying gelechiid ova.Paddy for trying feed is cave Jing 14, It is purchased from market.Larva raising disk, long * width * height=0.47*0.32*0.035m;Illumination box, model GXZ-403, and elder brother Worm anatomical lens SZ3100, is purchased from market.Imago breeding frame, long * width * height=0.90*0.70*0.03m, imago breeding bag, long * Wide * height=1.50*0.80*0.10m, adult disposable box and spawning box, long * width * height=0.45*0.30*0.05m is self-control.
1st, method for breeding
Paddy is put into water is respectively soaked after 20min, remove impurity, after leak, load disinfecting container, in 0.02MPa Under~0.04MPa pressure, using steam to paddy sterilization 30min.After cooling at room temperature, paddy is transferred to larva raising disk In, often disk 2kg, is inoculated with the gelechiid ova 3ml that will hatch.In 25~28 DEG C of temperature, under conditions of humidity 70~80% 25 are raised After it, paddy is transferred to respectively imago breeding frame and is raised to moth and sprouted wings, wheat is obtained by adult disposable box and spawning box Moth ovum, test is repeated 5 times.Main detection record sprout wings gelechiid adult quantity, body size, the life-span, egg laying amount, ovum it is big Little, development duration.From the beginning of sprouting wings from gelechiid, a gelechiid adult and gelechiid ova are collected daily, wherein gelechiid ova is filled by removal of impurities Put and obtain after net ovum, with graduated cylinder its yield being measured, borer population amount and egg laying amount are recorded as respectively.
2nd, gelechiid egg hatching rate
Randomly select 0.5ml paddy breed come gelechiid ova stick on two-sided tape, in being placed in larva raising disk, in temperature 25~28 DEG C, develop after 5d under the feeding environment of humidity 70~80%, adhesive tape is placed under insect anatomy mirror, in the visual field (eyepiece Under × object lens=10 × 5), the hatching ovum grain number and brown of the white chorion of record and it is shrivelled do not hatch ovum grain number, calculate it and incubate Rate.With barley as control, it is repeated 3 times.
3rd, larva moth food rate and gelechiid adult eclosion rate
The paddy of inoculation gelechiid ova randomly selects 30 paddy when 20d is raised in larva raising room, whether observes its surface There is channel, cut paddy open and checked whether gelechiid larva, if any channel or larva, be then shown as moth food grain, be otherwise shown as not eating into food Grain.When raising 25d, 30 paddy are randomly selected, observe whether its surface has emergence hole, cut paddy open and checked whether puparium, If any puparium or for empty grain, then it is shown as gelechiid and sprouts wings.Record larva moth eats paddy grain number and does not eat into food grain number, adult eclosion grain Number and grain number of not sprouting wings, calculate larva moth food rate and adult eclosion rate.It is repeated 3 times.
4th, gelechiid adult polypide and gelechiid Egg size are measured
Adult polypide measures:It is random to extract 30 gelechiid adults respectively, under being placed in insect anatomy mirror, surveyed using slide measure The body length and width of spreading the wings of amount gelechiid adult.Egg size is measured:30 gelechiid ovas are randomly selected, under being placed in insect anatomy mirror, profit With the length and width of vernier caliper measurement ovum.And record the size of gelechiid adult polypide and ovum.
5th, gelechiid development duration and Life of Adult
Development duration is to start time for sprouting wings to first gelechiid, to be repeated 5 times from inoculation gelechiid ova.Life of Adult is then From sprouting wings to the dead time, concrete grammar is to cover gauze on gelechiid larva raising disk, just emergence moth single head will have been loaded Test tube, a diameter of 20mm of test tube, length is 100mm, and is sealed with black cloth, does not provide food.Observe its life-span, if gelechiid without Substantially during activity, polypide is contacted with insect anatomy pin, if moving as survival, otherwise for death.Record development duration number of days and adult Life-span number of days.Repeat 30 times.
6th, paddy utilization rate
Ovum is collected from first time and start timing, if can not receive within continuous 5 days moth and ovum, stop collecting.Measurement feed Utilization rate, randomly selects 500 paddy, is immersed in the water holding 30min, records the paddy number at connate water bottom, calculates its utilization rate. It is repeated 5 times.
7th, gelechiid ova raises the development index measure of trichogramma
The two-sided tape for being stained with gelechiid ova is placed in Boiling tube, a width of 15mm of two-sided tape, a length of 180mm, about 15000 ovum, a diameter of 30mm of Boiling tube, long 200mm, by 1:10 honeybee ovum ratio, proceed to new emergence into honeybee about 1500, Wherein queen bee about 1000, with black cloth test tube mouth is sealed, and the hydromel with 50% is as food source.It it is 25 ± 1 DEG C in temperature, humidity is 70%~80%, the photoperiod is 14L:Parasitism 24h in the illumination box of 10D, observed and recorded Parasitism of Trichogramma, eclosion rate, The quality index of queen bee ratio and honeybee abnormal rate.
Parasitic rate:After parasitic egg development 7 days, take out band ovum two-sided tape and be placed in the anatomical lens visual field (eyepiece × object lens=10 × 5) under, inspection record black (egg parasitoid), white and shrinkage (non-egg parasitoid) ovum quantity, calculate its parasitic rate.Repeat 3 It is secondary.
Eclosion rate:After cute conjunctivitis bee eclosion, take out two-sided tape and be placed under the anatomical lens visual field, eyepiece × object lens=10 × 5, note Record black ovum grain number, and check whether there is emergence hole thereon, if the ovum without obvious emergence hole, is chosen with pin Open, check wherein whether have the residue of parasitic wasp or do not exist emergence into honeybee, be shown as if having sprout wings, if liquid from Gush out in ovum, be then shown as not sprouting wings.Calculate its eclosion rate.It is repeated 3 times.
Queen bee ratio:30 are randomly selected into honeybee, under being placed in the anatomical lens visual field, eyepiece × object lens=10 × 5, inspection record is female Honeybee and the quantity of drone, the feeler minor details of queen bee in bar-shaped, the feeler minor details of strong wind in it is bar-shaped and growth hair, calculate queen bee Than.It is repeated 3 times.
Honeybee abnormal rate:Take out at random 30 just sprouted wings into honeybee, under being placed in the anatomical lens visual field (eyepiece × object lens=10 × 5), Check whether its wing is complete, records the quantity of vestigial wing honeybee, calculates honeybee abnormal rate.It is repeated 3 times.
As a result
Gelechiid development duration result is shown, is raised in the development duration of gelechiid as feed using paddy, up to 45 days, most It is short for 40 days, it is averagely most short to go through the phase for 42.4 days.The longest-lived of adult is 8 days, and most short is 3 days, its average life span difference For 5.5 days.
Survival rate result of the test shows that the highest incubation rate of the gelechiid ova bred using paddy is 98.8%, minimum 96.0%, average out to 97.3%.Gelechiid larva is 96.7%, minimum 83.3% to the highest moth food rate of paddy, average out to 89.6%.Gelechiid adult highest eclosion rate is 96.7%, minimum 80.0%, average out to 88.9%.
Produce moth amount and egg laying amount and quality results show, when raising gelechiid with paddy, per kilogram paddy produces moth amount and is up to 2065, minimum 1856, average out to 1976.14.3ml, minimum 12.8ml are up to per kg paddy egg laying amounts, averagely For 13.4ml.With the gelechiid that paddy is raised, adult size is body length up to 6.5mm, most short for 4.3mm, and average body is long 5.5mm;Spread the wings most a width of 12.3mm, it is most narrow for 9.1mm, wide average out to 10.1mm of spreading the wings.The most long 0.6mm of its gelechiid ova is most short For 0.5mm, a length of 0.6mm of average ovum;The most a width of 0.3mm of ovum width, ovum width is most narrow for 0.2mm, a width of 0.2mm of average ovum.
Paddy utilization rate result of the test shows, when raising gelechiid with paddy, the optimum rate of utilization of paddy is 80.8%, minimum For 77.6%, average out to 79.5%.
Gelechiid percentage of egg parasitism and trichogramma result of growing shows, the gelechiid ova breeding oophagous trichogrammae raised using paddy, The highest parasitic rate of gelechiid ova is 92.4%, minimum 84.7%, average out to 88.8%;Highest eclosion rate is 97.0%, minimum For 95.3%, average out to 96.0%;Queen bee ratio is up to 63.3%, minimum 53.3%, average out to 57.8%;Honeybee abnormal rate is most A height of 13.3%, minimum 3.3%, average out to 7.8%.
Economic and Efficiency Analysis shows that Dehong prefecture release Trichogramma Ostriniae prevents and treats the field test of Ostrinia furnacalis in Yunnan As a result show, using trichogramma prevention and control corn borer, about 150000 trichogrammas of each trichogramma releases of per hectare, about 15ml gelechiids Ovum, needs paddy 1.2kg, by every 2.2 yuan of the kg paddy rice of local market valency, then needs 2.6 yuan of feed cost.Production 15ml gelechiid ovas, Raising gelechiid efficiency using barley according to Dehong locality then needs 1.1kg, by local 3.2 yuan of barley market price per kilogram, then needs to raise 3.5 yuan of cost of material.Per hectare often discharges a trichogramma, if breeding gelechiid using paddy, saves 0.9 yuan of feed cost.It is sub- Continent corn borer generation overlap is seriously regional, needs trichogramma releases to can be only achieved control effect for 3~5 times, and per hectare can save feed 2.6~4.4 yuan of cost.
Shown using the result of the test of barley, wheat, four kinds of feed breeding gelechiids of paddy rice and corn, larva moth food rate difference For 88.6%, 74.6%, 89.6% and 41.8%, eclosion rate is respectively 91.85%, 67.4%, 88.89% and 46.2%, often Kg diet energy output adult is respectively 2005,820,1976 and 315, spawning be respectively 15.5ml, 5.7ml, 13.4ml and 4.2ml.
Using paddy raise gelechiid can reduces cost, can solve without barley cultivation country and area breed cute conjunctivitis in a large number Honeybee carries out the restriction of biological control of insect pests application, makes full use of local abundant paddy resource, is trichogramma vector gelechiid Raising provide more choices chance, will greatly promote these regional trichogrammas in the preventing and treating of agricultural lepidoptera pest Using.

Claims (5)

1. the method for raising gelechiid using paddy, it is characterised in that the method comprising the steps of:
(1) paddy is carried out disinfection;
(2) to the paddy inoculation gelechiid ova after sterilization;
(3) in 25~28 DEG C of temperature, gelechiid ova is raised under conditions of humidity 70~80%, obtains gelechiid adult.
2. the method that utilization paddy according to claim 1 raises gelechiid, it is characterised in that in step (1), by paddy It is put into water and soaks, remove impurity, under 0.02MPa~0.04MPa pressure, using steam to paddy sterilization 30min.
3. the method that utilization paddy according to claim 1 raises gelechiid, it is characterised in that in step (2), per 2kg Paddy, is inoculated with gelechiid ova 3ml.
4. the method that utilization paddy according to claim 1 raises gelechiid, it is characterised in that in step (3), raises wheat After moth ovum 25 days, paddy is transferred to imago breeding frame and is raised to moth and is sprouted wings, and collect gelechiid ova.
5. the method that utilization paddy according to claim 1 raises gelechiid, it is characterised in that repeat step (1)-step (3) 5 times.
CN201611096744.3A 2016-12-02 2016-12-02 Method for feeding sitotroga cerealella by utilizing unhusked rice Pending CN106614396A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113508713A (en) * 2021-07-30 2021-10-19 中国农业科学院植物保护研究所 Method for breeding trichogramma by using eggs of tuber moths of potatoes
CN115349580A (en) * 2022-09-08 2022-11-18 湖南农业大学 Breeding substrate and artificial breeding method for cyenopsis griseus

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Publication number Priority date Publication date Assignee Title
CN1253723A (en) * 1999-11-19 2000-05-24 长春鸿达农业生物技术开发有限公司 Small egg intermediate host industrial production process of oophagous trichogrammae
CN1397159A (en) * 2002-09-04 2003-02-19 衡水田益生防有限责任公司 Technology for industrially culturing trichogramma with gelechiid ova
CN105379683A (en) * 2015-11-13 2016-03-09 云南农业大学 Artificial breeding method of gelechiid moths

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CN1253723A (en) * 1999-11-19 2000-05-24 长春鸿达农业生物技术开发有限公司 Small egg intermediate host industrial production process of oophagous trichogrammae
CN1397159A (en) * 2002-09-04 2003-02-19 衡水田益生防有限责任公司 Technology for industrially culturing trichogramma with gelechiid ova
CN105379683A (en) * 2015-11-13 2016-03-09 云南农业大学 Artificial breeding method of gelechiid moths

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113508713A (en) * 2021-07-30 2021-10-19 中国农业科学院植物保护研究所 Method for breeding trichogramma by using eggs of tuber moths of potatoes
CN115349580A (en) * 2022-09-08 2022-11-18 湖南农业大学 Breeding substrate and artificial breeding method for cyenopsis griseus
CN115349580B (en) * 2022-09-08 2024-01-09 湖南农业大学 Feeding substrate and artificial feeding method for aphids with tube

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Application publication date: 20170510