One kind blocks the heterogamous acquisition equipment of Pomacea canaliculata and method
Technical field
The present invention relates to one kind to block the heterogamous acquisition equipment of Pomacea canaliculata and method.
Background technology
Pomacea canaliculata category Mollusca Mesogastropoda Ampullariidae bottle spiral shell category, is introduced into China mainland in 1981.Due to the spiral shell
Feeding habits are wide, heavy, adaptable, growth and breeding is fast, overflow in most Asian countries, seriously endanger the aquatic agricultures such as rice
The raw crop of drought near crop and waters, causes crops Severe Reduction or even has no harvest, it has also become a kind of CR Critical agricultural
Harmful organism, is included in one of Invasive Alien Species by China at present.In addition, Pomacea canaliculata or a kind of parasite of infecting both domestic animals and human
The host of disease-- angiostrongylus cantonensis.The edible Pomacea canaliculata not heated fully, may cause the parasites such as angiostrongylus cantonensis
In people's In vivo infection, the diseases such as meningitis can be caused, severe patient can cause death.
Pomacea canaliculata can form disaster, and maximum feature is that its reproductive capacity is extremely strong.Annual 3~November is the breeding season of Pomacea canaliculata
Section, wherein 5~August is breeding period.One piece of the oviposition every time of every spiral shell, egg laying amount 200~1000.It can lay eggs within 1 year 20~40
It is secondary, egg laying amount 3~50,000.1 female spiral shell bred young spiral shell more than 32.5 ten thousand only altogether through 1 year two generation, and reproductive capacity is extremely strong.Pomacea canaliculata is bred
Characteristic gets used to night oviposition on water surface above drying objects or the surface of plant, such as stalk, furrow bank, wall, ridge.
Currently the prevention to Pomacea canaliculata mainly has:1st, go out spiral shell using killing spiral shell medicament.Defect:Chemical agent toxicity is big, easily residual
Crops and water body are stayed, pollutes environment.2nd, duck culturing, the biological control method such as breed fish.Defect:Needed to have necessarily with the pattern
Cultivating condition and facility, and duck also has crop seedling part can be caused the infringement such as to trample, peck at.3rd, spiral shell or excision manually are picked up
Pieces of an egg.Defect:High labor cost, efficiency are low.The Chinese patent of Patent No. CN200810121170.X discloses《A kind of Fu Shou
Spiral shell pieces of an egg trap device》, Pomacea canaliculata can be lured to concentrate oviposition, the centralized processing that traps of pieces of an egg is killed, but can not for oviposition spiral shell
Catch and kill.One oviposition spiral shell can lay eggs 20~40 times for 1 year.Moreover, if the pieces of an egg in above device are not removed in time, newly incubate
The young spiral shell of change can fall into Tanaka, live again a generation.
The content of the invention
It is an object of the invention to provide one kind to block the heterogamous acquisition equipment of Pomacea canaliculata and method, not only structure letter
It is single, and trap oviposition Pomacea canaliculata using physical method and prevent oviposition Pomacea canaliculata and young spiral shell from escaping, while application method is easy.
Technical program of the present invention lies in:One kind blocks the heterogamous acquisition equipment of Pomacea canaliculata, including flat plate, institute
Stating the surface spraying of flat plate has the material layer of plant scent, be respectively arranged with the flat face of flat plate top both sides by
Tubular made of transparent material catches cage, and the upper end that the tubular catches cage is provided with transparent netted top plate, and tubular catches the lower end of cage
It is horizontally installed with the latticed unilateral gate that can only be upwardly opened and be automatically closed under gravity, the netted top plate and net
The grid specification of trellis unilateral gate is the mesh of 20 mesh~30.
Further, the tubular catches the inner cavity of cage and is spaced from top to bottom and is provided with laterally setting and tubular is caught cage point
It is segmented into the latticed unilateral gate of some chambers.
Further, the latticed unilateral gate includes transparent waffle slab, and the waffle slab catches cage away from flat with tubular
The side wall of shape plate side is hinged, the tubular catch on cage positioned at waffle slab hinged end on the downside of be provided with prevent waffle slab to
The baffle of lower upset.
Further, the tubular catches the sidewall spacers of cage and is laid with air hole, a diameter of 2 ~ 3mm of the air hole.
Further, the tubular catches cage and is square the square that column and lateral cross section are 8~10cm of the length of side, or tubular
Catch the rounded column of cage and lateral cross section is the circle of 8 ~ 10cm of diameter, the height that the tubular catches cage is 30 ~ 50cm.
Further, the lower part of the flat plate is provided with telescopically adjustable telescopic segment, the lower end of the telescopic segment
For tip.
Further, the flat plate is made of hard, the material with bionical color, and the material layer institute band smell can be
Corn taste, wild rice stem taste or lotus rhizome taste.
Further, the bionical color of the flat plate is light green color, grass green or yellow green.
One kind blocks the heterogamous method of Pomacea canaliculata, including a kind of blocking heterogamous acquisition equipment of Pomacea canaliculata, bag
Include following steps:
1)After the completion of annual crop harvesting in 10~December, trimming ridge, mending-leakage of filling a vacancy, and smooth soil block or straw higher than ridge
Bar;
2)Diversion fills unrestrained, mutually neat with the water surface and surrounding ridge, subject to no soil block or straw expose the surface;
3)The flat plate of acquisition equipment is inserted into Tanaka, depending on screw socket density, launches 500~1500 acquisition equipments per acre;
4)Amazonian snail oviposition needs to leave the water surface, into tubular catch cage and it is stranded wherein, until to second year March, crops are broadcast
Before kind, acquisition equipment of harvest is concentrated, the acquisition equipment containing oviposition Pomacea canaliculata is taken away.
Further, according to the height of water level regulation flat plate, the bottom that tubular catches cage is made to be no more than 5cm away from the water surface.
Compared with prior art, the present invention has the following advantages:
1)The heterogamous acquisition equipment of blocking Pomacea canaliculata is not only simple in structure, and utilizes physical method trapping oviposition Fu Shou
Spiral shell, and prevent oviposition Pomacea canaliculata and young spiral shell from escaping, application method is easy;
2)Needed to leave the water surface according to Amazonian snail oviposition, the breeding on the surface laid eggs in water surface above drying objects or plant is special
Property, with reference to farmland production, induction Amazonian snail oviposition catches and kills oviposition spiral shell at the same time, has safety and environmental protection, the spy such as efficient, effect is good
Point;
3)Female spiral shell, spiral shell ovum, young spiral shell are concentrated catch and kill together, and efficiency is greatly improved;
4)In annual 12~March, before spiral shell amount reproduction, concentration is catched and killed, to achieve the purpose that to reduce initial population radix;
5)Need to collect spiral shell ovum in time relative to other devices, if do not removed in time, the young spiral shell newly hatched can fall into Tanaka,
Live again the situation of a generation, the present invention need to only launch once, concentrate harvest once to prevent the alternation of generations of the spiral shell.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the A areas enlarged drawing of Fig. 1 of the present invention;
Fig. 3 is the B direction views of Fig. 1 of the present invention;
In figure:10- flat plate 11- material layer 20- tubulars catch the netted top plate 22- air holes 30- grids of cage 21-
Shape unilateral gate 31- waffle slab 32- longitudinal directions axis pin 33- baffles.
Embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate attached drawing, make detailed
Carefully it is described as follows, but the present invention is not limited thereto.
Referring to figs. 1 to Fig. 3
One kind blocks the heterogamous acquisition equipment of Pomacea canaliculata, including flat plate 10, the surface spraying of the flat plate to have
The material layer 11 of plant scent, preferably to attract to lay eggs, Pomacea canaliculata climbs up flat plate.Flat plate top both sides it is flat
The tubular being made of clear material is respectively arranged with shape face and catches cage 20, cage is caught by a pair of transparent tubular, is on the one hand easy to
Printing opacity, on the other hand increases operation rate.The upper end that the tubular catches cage is provided with transparent netted top plate 21, and tubular is caught under cage
End is horizontally installed with the latticed unilateral gate 30 that can only be upwardly opened and be automatically closed under gravity, so as to Fu Shou of laying eggs
After spiral shell catches cage into tubular, latticed unilateral gate downwardly turns over completion and closes automatically, and oviposition Pomacea canaliculata is trapped in tubular and catches cage
It is interior, prevent Pomacea canaliculata from escaping downwards, the grid specification of the netted top plate and latticed unilateral gate is the mesh of 20 mesh~30, so as to will
The young spiral shell of hatching is also switched off catching in cage in tubular, so as to block the alternation of generations of the spiral shell.
In the present embodiment, the tubular catch cage inner cavity be spaced from top to bottom be provided with it is that 2 ~ 4 fans are laterally set and by cylinder
Shape catches the latticed unilateral gate that cage is divided into some chambers, to improve the utilization ratio of device, can capture more oviposition good fortune
Longevity spiral shell.Pomacea canaliculata bait is also provided with the chamber, preferably to lure Amazonian snail oviposition.
In the present embodiment, the latticed unilateral gate includes transparent waffle slab 31, and it is remote that the waffle slab with tubular catches cage
Side wall from flat plate side is hinged through longitudinal axis pin 32 or hinge, and the tubular catches the hinged end for being located at waffle slab on cage
Downside is provided with the baffle 33 for preventing waffle slab from downwardly turning over.So as to prevent barrier board from downwardly turning over and form unilateral gate.
In the present embodiment, the sidewall spacers that the tubular catches cage are laid with air hole 22, to ensure that it is empty in cage that tubular is caught
Air-flow leads to, and printing opacity, breathe freely, do not constrain.A diameter of 2 ~ 3mm of the air hole, prevents young spiral shell from being escaped from air hole.
In the present embodiment, due to adult high 5~7cm of spiral case or so, for oviposition Pomacea canaliculata of preferably bottling up, ensure good fortune
Longevity spiral shell is caught in cage into tubular, and the tubular catches cage and is square the square that column and lateral cross section are 8~10cm of the length of side, or cylinder
The circle that shape catches the rounded column of cage and lateral cross section is 8 ~ 10cm of diameter;The height that the tubular catches cage is 30 ~ 50cm, so as to
Tubular, which is caught, can accommodate more oviposition Pomacea canaliculatas in cage.
In the present embodiment, the lower part of the flat plate is provided with telescopically adjustable telescopic segment, under the telescopic segment
Hold as tip, to be preferably inserted into Tanaka.The telescopic segment can be flat-shaped telescopic rod and to be provided with locking bolt, so as to
Preferably adjust the length of deformation plate.
In the present embodiment, the flat plate is made of hard, the material with bionical color, such as bamboo chip, veneer, and
The surface of bamboo chip or plank paints bionical color, and the bionical color of the flat plate is light green color, grass green or yellow green, Zhi Houzai
The material layer of plant scent in spraying, material layer institute band smell can be corn taste, wild rice stem taste or lotus rhizome taste etc., so that
Pomacea canaliculata is provided to climb by flat plate.
One kind blocks the heterogamous method of Pomacea canaliculata, including a kind of blocking heterogamous acquisition equipment of Pomacea canaliculata, bag
Include following steps:
1)After the completion of annual crop harvesting in 10~December, trimming ridge, mending-leakage of filling a vacancy, and smooth soil block or straw higher than ridge
Bar;
2)Diversion fills unrestrained, mutually neat with the water surface and surrounding ridge, subject to no soil block or straw expose the surface;
3)The flat plate of acquisition equipment is inserted into Tanaka, according to the height of water level regulation flat plate, tubular is caught the bottom of cage
Portion is no more than 5cm away from the water surface, and regards screw socket density, launches 500~1500 acquisition equipments per acre;
4)Amazonian snail oviposition needs to leave the water surface, into tubular catch cage and it is stranded wherein and lay eggs wherein, since mesh is small,
Therefore the young spiral shell of hatching will not be escaped;Until to second year March, before crop seeding, acquisition equipment of harvest is concentrated, will
Acquisition equipment containing oviposition Pomacea canaliculata is taken away and is handled.
The foregoing is merely presently preferred embodiments of the present invention, for the ordinary skill in the art, according to this hair
Bright teaching, designs a kind of heterogamous acquisition equipment of various forms of blocking Pomacea canaliculatas and method and creativeness is not required
Work, it is all without departing from the principles and spirit of the present invention impartial to become according to what scope of the present invention patent was done
Change, modification, replacement and modification, should all belong to the covering scope of the present invention.