CN113080144B - Method and device for luring spodoptera frugiperda imagoes to intensively lay eggs and receive eggs - Google Patents
Method and device for luring spodoptera frugiperda imagoes to intensively lay eggs and receive eggs Download PDFInfo
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- CN113080144B CN113080144B CN202110356216.1A CN202110356216A CN113080144B CN 113080144 B CN113080144 B CN 113080144B CN 202110356216 A CN202110356216 A CN 202110356216A CN 113080144 B CN113080144 B CN 113080144B
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- 235000013601 eggs Nutrition 0.000 title claims abstract description 72
- 241000256251 Spodoptera frugiperda Species 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 29
- 240000008042 Zea mays Species 0.000 claims abstract description 69
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 69
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 69
- 235000005822 corn Nutrition 0.000 claims abstract description 69
- 230000001939 inductive effect Effects 0.000 claims abstract description 13
- 238000010008 shearing Methods 0.000 claims abstract description 3
- 241000238631 Hexapoda Species 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 235000016709 nutrition Nutrition 0.000 claims description 18
- 230000035764 nutrition Effects 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 13
- 238000001802 infusion Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 229930006000 Sucrose Natural products 0.000 claims description 7
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 7
- SPFMQWBKVUQXJV-BTVCFUMJSA-N (2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanal;hydrate Chemical compound O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O SPFMQWBKVUQXJV-BTVCFUMJSA-N 0.000 claims description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 5
- 235000012907 honey Nutrition 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 239000005720 sucrose Substances 0.000 claims description 4
- 235000015097 nutrients Nutrition 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000032669 eclosion Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000013589 supplement Substances 0.000 description 7
- 229960004793 sucrose Drugs 0.000 description 5
- 241000607479 Yersinia pestis Species 0.000 description 4
- 241000382353 Pupa Species 0.000 description 3
- 230000017448 oviposition Effects 0.000 description 3
- 208000003643 Callosities Diseases 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
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- 230000013011 mating Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- 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
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- Life Sciences & Earth Sciences (AREA)
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- Animal Behavior & Ethology (AREA)
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- Catching Or Destruction (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
The invention discloses a method for luring spodoptera frugiperda imagoes to intensively lay eggs and receive eggs, which comprises the following steps: putting the spodoptera frugiperda pupae to be eclosized into a yarn cage, or directly putting eclosized spodoptera frugiperda imagoes into the yarn cage; placing a corn cluster in a creel, and inducing spodoptera frugiperda female adults to lay eggs on leaves of the corn cluster; and (4) shearing off the corn leaves with the egg masses. The invention also discloses a device based on the method for inducing the spodoptera frugiperda imagoes to intensively lay eggs and receive eggs. The method is simple to operate, male and female adults do not need to be distinguished, manual pairing is not needed, manpower and material resources are saved, and production cost is saved.
Description
Technical Field
The invention relates to the technical field of artificial breeding of spodoptera frugiperda, in particular to a method and a device for inducing spodoptera frugiperda imagoes to intensively lay eggs and collect eggs.
Background
Spodoptera frugiperda is a worldwide pest, can harm hundreds of crops, quickly spreads since 2018 invasion into China, and causes serious harm to corn production in China. If the insect pests are well controlled, the biological habits of the insect pests need to be known, and a large number of test insects are obtained by adopting an artificial feeding method. The spawning and collection of adults are important links in the artificial feeding process, and the efficient, centralized, simple and less-pollution egg obtaining of spodoptera frugiperda is of great importance. If Spodoptera frugiperda is laid to produce effective eggs capable of hatching larvae, male and female adults must mate, and only fertilized eggs can hatch into larvae. In the spodoptera frugiperda bred in the same batch, female insects emerge first, and male insects emerge after two days. The female, which is first eclosion, needs to be supplemented with nutrients to promote the ovary to develop to maturity. Naturally, the eclosion adult male-female ratio is close to 1.
The current technology has the following defects:
1. the current method is to first distinguish the males and females of the newly emerged imagoes, and then put the male and female pairs into a paper tube or an insect cage. The step comprises a link of distinguishing male and female adults, so that the workload is increased. Training new insect feeders and teaching a male and female distinguishing method; the wing surface pattern is not obvious, and the tail part of the wing surface pattern is observed, so that adult insects are injured and frightened.
2. The adult which is eclosion firstly is female, and needs to be placed for 2-3 days independently to wait for the male eclosion, if the adult is not placed in a culture dish or an insect cage for supplying nutrition, the adult can die or is not nutritious, and the supply of nutrition takes manpower and material resources.
3. It is difficult to put the spodoptera frugiperda imagoes into the paper cylinder. The existing operation method is that the plant spodoptera frugiperda imagoes are put into the paper tube from the top end, but the spodoptera frugiperda imagoes can fly upwards, if a top cover is not quickly covered, the imagoes can escape, and a large amount of fine scales are generated when wings are flapped, so that the health of operators is damaged.
4. The Spodoptera frugiperda adults paired in the paper cylinder often lay eggs on the inner wall of the paper cylinder, the paper cylinder is generally cut to collect the eggs, the adults need to be moved out when the eggs are collected, and the adults can escape; the Spodoptera frugiperda adults paired in the yarn cage often lay eggs on the yarn net of the yarn cage or in the sewing gap of the yarn net, so that the egg collection is difficult.
5. When one of the paired male and female dies, one end needs to be supplemented, and the operation links are increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a method for inducing spodoptera frugiperda imagoes to intensively lay eggs and receive eggs, which is simple to operate and saves manpower and material resources.
The invention also aims to provide a device for inducing the spodoptera frugiperda imagoes to lay eggs in a centralized manner.
The purpose of the invention is realized by the following technical scheme:
the method for inducing spodoptera frugiperda imagoes to lay eggs in a centralized manner comprises the following steps:
putting the Spodoptera frugiperda pupae to be eclosized into a yarn cage, or directly putting the eclosized Spodoptera frugiperda imagoes into the yarn cage without distinguishing male and female; placing the cultivated corn cluster in a yarn cage, and inducing spodoptera frugiperda female adults to lay eggs on leaves of the corn cluster; the corn leaves with the egg mass were cut off and incubated separately.
Preferably, the corn clump is a plurality of corn seedlings which are planted together in a centralized mode and have 3-5 leaves, and the planting density is 20-50 seedlings planted per square decimeter.
Preferably, the planting method of the corn clumps comprises the following steps:
transversely cutting an aged corn cob into corn sections with the length of 3-5 cm, longitudinally and evenly dividing the corn sections into two semi-cylindrical corn sections, burying the semi-cylindrical corn cobs downwards in a flowerpot, covering the flowerpot with 3-4 cm of soil, watering the flowerpot with enough water, placing the flowerpot in a warm environment with sufficient light, and taking the corn sections when most of the corn grows out of 3-5 leaves.
Preferably, the method further comprises the following steps: and (3) supplying nutrition to the Spodoptera frugiperda imagoes in the yarn cage.
Preferably, the method for supplementing nutrition to the spodoptera frugiperda imagoes in the sarong cages specifically comprises the following steps:
placing degreased cotton or sponge above the yarn cage, and automatically adding honey water, sucrose water or glucose water into the degreased cotton or sponge by using a medical infusion device or a catheter.
A device for luring spodoptera frugiperda adults to lay eggs in a centralized manner comprises a yarn cage and a corn cluster arranged in the yarn cage.
Preferably, the corn clump is 20-50 corn seedlings with 3-5 leaves gathered together.
Preferably, an automatic nutrition supplementing device is arranged above the yarn cage.
Preferably, the nutrition supplementing device comprises degreased cotton or sponge and a medical infusion device or a catheter; the medical infusion device or the catheter is used for automatically adding honey water, sucrose water or glucose water into the degreased cotton or the sponge.
Preferably, one side or two sides of the yarn cage are provided with zipper openings, so that the yarn cage can be conveniently cleaned and Spodoptera frugiperda can be conveniently placed in the yarn cage.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention finds that the spodoptera frugiperda imagoes like to lay eggs on young and tender corn leaves based on field observation, particularly like the habit of laying eggs in a corn cluster or a place with high corn seedling density, and achieves the purpose of inducing spodoptera frugiperda females to lay eggs in a centralized manner by placing the corn cluster in a yarn cage.
2. The invention puts the spodoptera frugiperda pupae to be eclosized into an insect cage, or directly puts the eclosized adult insects into the insect cage, generally female insects eclosize first, sugar water can be taken from the insect cage to supplement nutrition, and the adult insects can mate and lay eggs after eclosion, wherein the female-male ratio of the eclosized spodoptera frugiperda adult is about 1.
3. The method only needs to check the corn leaves every day or every other day when eggs are collected, and the eggs are directly cut off together with the corn leaves and are incubated, so that the operation is simple and safe.
4. According to the method, when the adult part of one yarn cage dies, only the adult Spodoptera frugiperda or pupa needs to be put in batches, dead insects do not need to be cleaned, and the number of male and female individuals does not need to be counted.
5. According to the method, after most leaves of the corn cluster are cut off, the newly cultivated corn cluster is replaced; the yarn cage can be repeatedly used, and the operation steps are repeated, so that manpower and material resources are greatly saved.
Drawings
FIG. 1 is a schematic view of the device for luring the spodoptera frugiperda imagoes to collectively lay eggs and receive eggs.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
FIG. 1 is a schematic view of the device for inducing spodoptera frugiperda imagoes to intensively lay eggs and collect eggs in the embodiment, and the device comprises a yarn cage 1, wherein a cultivated corn stand 2 is arranged in the yarn cage; and a nutrition supplementing device is arranged above the yarn cage. The nutrition supplementing device comprises degreased cotton 3 and a medical infusion device 4; the medical infusion device is used for automatically adding honey water, cane sugar water or glucose water into the degreased cotton; the two sides of the yarn cage are provided with zipper openings (or one side of the yarn cage can be provided with the zipper openings), so that the yarn cage can be conveniently cleaned and Spodoptera frugiperda can be put into the yarn cage.
The method for inducing spodoptera frugiperda adults to intensively lay eggs comprises the following steps:
firstly, cultivating a corn cluster, transversely cutting an aged corn cob into sections with the length of 5 cm, longitudinally and equally dividing the corn cob into two semi-cylindrical shapes, burying the semi-cylindrical corn cob downwards in a flowerpot, and covering the flowerpot with 3 cm of soil. Pouring enough water, and placing in a warm environment with sufficient light. When most corns show 5 leaves, the corns are taken, the density of the corn seedlings is very high at the moment, the corn seedlings reach 50 plants per square decimeter, the leaves are staggered, and the Spodoptera frugiperda imagoes are favorite for laying eggs.
A50X 35 cm gauze cage was used, most of the grown corn clumps with 5 leaves were placed in the gauze cage, and a drip tray was placed under the pot to prevent the oozing water from wetting the gauze cage. The yarn cage is arranged in a pest breeding room suitable for spodoptera frugiperda to lay eggs.
A piece of degreased cotton with the thickness of 12 multiplied by 20 cm and the thickness of 1.5 cm is placed on the insect cage, and 10 percent of cane sugar water is added by a medical infusion device to supplement nutrition for adults. The flow rate is controlled by adjusting the switch, so that the dropped liquid can soak the degreased cotton but not drop the liquid. To prevent excess liquid from dripping to contaminate the yarn cage, a petri dish or water pan can be placed at the bottom of the yarn cage under the cotton wool. The adult can feed liquid through the yarn cage to supplement nutrition.
100 Spodoptera frugiperda pupas to be eclosized are placed into an insect cage, after the female insects eclosion, sugar water is taken from the insect cage to supplement nutrition, and after two days, the male insects begin to mate after eclosion, and then lay eggs.
In the daytime, females prefer to inhabit the corn cluster. Mating at night and laying eggs on leaves. And checking whether the leaves and the stalks of the corn cluster have egg masses every other day, and shearing the egg masses together with the leaves of the corn directly and incubating additionally. One pot of corn clump can be changed every three days. When egg masses which are individually laid on the yarn cage are found, the egg masses are cleaned in time by a writing brush and taken out.
As a result, it was found that 46 eggs were produced in 3 days, 43 eggs (93.5%) were produced on leaves or stalks of corn, 2 eggs (4.3%) were produced on a gauze cage, and 1 egg (2.2%) was produced on a pot for cultivating a corn clump. When only 3 pots of corn seedlings planted individually are placed in the same cage, the percentage of egg laying on the cage is as high as 78.1%. The corn clumps have strong attraction effect on the egg laying of the spodoptera frugiperda imagoes.
Example 2
The method for inducing spodoptera frugiperda adults to intensively lay eggs comprises the following steps:
a gauze cage of 50X 35 cm is taken, 3 pots of corn seedlings planted with 5 leaves are placed in the gauze cage, and a water receiving tray is placed below the flowerpot to prevent seepage water from wetting the gauze cage. The yarn cage is arranged in an environment suitable for spodoptera frugiperda to lay eggs.
A sponge with the thickness of 1.5 cm and the thickness of 12 multiplied by 20 cm is placed on the insect cage, 10 percent of cane sugar water is added by a duct, and the sponge is soaked by the dripped liquid but the liquid is not dripped; to supplement nutrition to adults. To prevent excess liquid from dripping to contaminate the creel, a petri dish or a drip tray can be placed at the bottom of the creel below the sponge. The adult can take the liquid to supplement nutrition through the yarn cage.
100 Spodoptera frugiperda pupas to be eclosized are placed into an insect cage, after the female insects eclosion, sugar water is taken from the insect cage to supplement nutrition, and after two days, the male insects begin to mate after eclosion, and then lay eggs.
As a result, 32 eggs were found in 3 days, which was significantly less than 46 eggs laid in the corn clumps, and only 7 eggs (21.9%) were laid on the corn leaves, and 25 eggs (78.1%) were laid on the gauze, indicating that not the corn seedlings but the corn clumps were more attractive for the egg laying of the Spodoptera frugiperda adults.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (7)
1. The method for luring the spodoptera frugiperda imagoes to intensively lay eggs and receive eggs is characterized by comprising the following steps:
putting the spodoptera frugiperda pupae to be eclosized into a yarn cage, or directly putting the eclosized spodoptera frugiperda imagoes into the yarn cage without distinguishing males and females; placing the cultivated corn cluster in a yarn cage, and inducing female insects in the spodoptera frugiperda adults to lay eggs on leaves of the corn cluster; shearing off the corn leaves with the egg masses;
the planting method of the corn clumps comprises the following steps:
the method comprises the steps of transversely cutting an aged corn cob into corn sections with the lengths of 3-5 cm, longitudinally and evenly dividing the corn sections into two semicylindrical cores, burying the semicylindrical corn cobs downwards in a flowerpot, covering the flowerpot with soil with the lengths of 3-4 cm, pouring enough water, placing the flowerpot in a warm environment with sufficient light, and taking out the corn cobs when most of the corn has 3-5 leaves.
2. The method for attracting spodoptera frugiperda adults to intensively lay eggs and accept eggs according to claim 1, further comprising the following steps: and the nutrition is supplemented to the Spodoptera frugiperda imagoes in the yarn cage.
3. The method for attracting spodoptera frugiperda adults to lay eggs and accept eggs intensively as claimed in claim 2, wherein the method for supplementing nutrients to the spodoptera frugiperda adults in the gauze cage specifically comprises the following steps:
placing degreased cotton or sponge above the yarn cage, and adding Mel water, sucrose water or glucose water into the degreased cotton or sponge by using medical infusion device or catheter.
4. The device for inducing the spodoptera frugiperda imagoes to lay eggs and collect eggs in a centralized manner is characterized by comprising a yarn cage and a corn cluster placed in the yarn cage;
the planting method of the corn clumps comprises the following steps:
the method comprises the steps of transversely cutting an aged corn cob into corn sections with the lengths of 3-5 cm, longitudinally and evenly dividing the corn sections into two semicylindrical cores, burying the semicylindrical corn cobs downwards in a flowerpot, covering the flowerpot with soil with the lengths of 3-4 cm, pouring enough water, placing the flowerpot in a warm environment with sufficient light, and taking out the corn cobs when most of the corn has 3-5 leaves.
5. The device for attracting spodoptera frugiperda adults to intensively lay eggs and collect eggs as claimed in claim 4, wherein a nutrition supplementing device is arranged above the yarn cage.
6. The device for attracting spodoptera frugiperda adults to lay eggs and accept eggs in a centralized manner as claimed in claim 5, wherein the nutrition supplementing device comprises degreased cotton or sponge and a medical infusion device or a catheter; the medical infusion device or the catheter is used for adding honey water, sucrose water or glucose water into degreased cotton or sponge.
7. The device for attracting spodoptera frugiperda adults to spawn and collect eggs in a centralized manner as claimed in claim 4, wherein one side or two sides of the yarn cage are provided with zipper openings.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111449028A (en) * | 2020-06-09 | 2020-07-28 | 贵阳学院 | Winter laboratory breeding method for Spodoptera frugiperda |
| CN111758672A (en) * | 2020-07-16 | 2020-10-13 | 中国热带农业科学院环境与植物保护研究所 | Group breeding method for feeding spodoptera frugiperda larvae with young corn shoots |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111449028A (en) * | 2020-06-09 | 2020-07-28 | 贵阳学院 | Winter laboratory breeding method for Spodoptera frugiperda |
| CN111758672A (en) * | 2020-07-16 | 2020-10-13 | 中国热带农业科学院环境与植物保护研究所 | Group breeding method for feeding spodoptera frugiperda larvae with young corn shoots |
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| "斜纹夜蛾发生规律生活习性及防治方法的初步探讨";黄河;《棉花》;19590531;第1-3页 * |
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Application publication date: 20210709 Assignee: GUANGZHOU YUEFENG BIOLOGICAL CONTROL TECHNOLOGY Co.,Ltd. Assignor: PLANT PROTECTION Research Institute GUANGDONG ACADEMY OF AGRICULTURAL SCIENCES Contract record no.: X2022440000298 Denomination of invention: Method and device for luring adults of spodoptera gracilis to lay eggs and collect eggs intensively Granted publication date: 20221122 License type: Common License Record date: 20221206 |