229 results about "Parasitic animal" patented technology

The present invention provides an aphidius gifuensis scale breeding technique, and belongs to the branch of technology of biological control of agricultural destructive insects for solving problems that the prior breeding technique of aphidius gifuensis is inefficiency and adj. industrialization is not liable to realize.The invention provides a aphidius gifuensis scale breeding technique and the embodiment scheme of the present invention comprises the following steps:(a) tobacco plant replanting: when growing to a resettling growth stage, the tobacco plants are replanted to a honeybee breeding booth;(b) myzus inoculation to tobacco plant: myzus is inoculated to the tobacco plant when the tobacco plant grows out 9-12 real leaves, and each tobacco plant is inoculated with 20-30 myzuses;(c) honeybee inoculation in parasitism: when myzuses are 2000-3000 per tobacco plant, artificial inoculation is performed, after 10-14 days, deadlocked myzuses are formed, and then after a week, the deadlocked myzuses will become aphidius gifuensis.By using the scale breeding technique of the present invention, each plant can obtain more than 8000 eadlocked myzuses, thus, the breeding cycle is shortened, and large-scale production can be performed.

The present invention provides a compound for controlling wood parasitism pest as well as a method for preventing wood parasitism pest. That is the present invention provides a compound containing O-ethyl-S-propyl[(2E)-2-(cyano-imino)-3-ethyl-1-imidazolealkyl]thionophosphonates as active component, a method for controlling the wood parasitism pest using said compound, as well as a method for protecting wood using said compound.

The invention relates to a method for breeding and feeding Aphidius gifuensis Ashmesd in a floating seedling raising shed and belongs to the field of insect feeding. According to the biological and ecological behaviors of the Aphidius gifuensis Ashmesd and the modern agricultural science and technology, by using the existing floating seedling raising shed and the time difference between Myzus periscae (Sulzer) breeding period and the Aphidius gifuensis Ashmesd larva growth and development period, breeding Aphidius gifuensis Ashmesd required for Aphidius gifuensis Ashmesd breeding is obtained at the same time when the Myzus periscae (Sulzer) is bred. The method for breeding and feeding the Aphidius gifuensis Ashmesd in the floating seedling raising shed has the advantages that the operation is simple to conduct, the cost is low, the repetitive investment is not required, the survival rate is high, the scale breeding is facilitated and the popularization is facilitated. Compared with the method for breeding and feeding the Aphidius gifuensis Ashmesd in a seedling raising greenhouse, on the premise that the bred and fed quantity is not affected, the cost per mu is reduced by RMB4.5, the quantity of bred and fed adult Aphidius gifuensis Ashmesd and the parasitism rate are respectively improved by 21.3 percent and 3.8 percent, the number of parasitic aphids on each plant in the field and the control rate of the Aphidius gifuensis Ashmesd to the aphids are improved by 4.75 percent, the economic benefit, the social benefit and the ecological benefit are good, and a good foundation is laid for the large-scale breeding and feeding of the Aphidius gifuensis Ashmesd.

The invention discloses a diaphorina citri Kuwayama parasitism natural energy scale breeding method. Insects and germs on a Murraya exotica plant are eliminated to obtain a clean Murraya exotica without disease and pest infection. The clean Murraya exotica without the disease and pest infection is transferred to a first greenhouse or a first insect rearing cage, and the diaphorina citri Kuwayama is grafted to breed. Under normal lighting conditions, the Diaphorina citri Kuwayama is cultured and bred under the temperature of 22 to 28 DEG C, and the Murraya exotica or the Diaphorina citri Kuwayama is supplemented at any moment according to requirements. The clean Murryaya exotica without the disease and pest infection is transferred to a second greenhouse or a second insect rearing cage, and the Diaphorina citri Kuwayama in the first greenhouse or the first insect rearing cage is grated. Under the normal lighting conditions, the Diaphorina citri Kuwayama is cultured to spawn and grow to a nymph of 4-5 years old under the temperature of 22 to 28 DEG C. The parasitic wasp and parasitic Diaphorina citri Kuwayama are utilized for inoculation, and the parasitic wasp can be colleted after 7 to 10 days. According to the Diaphorina citri Kuwayama parasitism natural energy scale breeding method, the industrialization production of the Diaphorina citri Kuwayama parasitic wasp is achieved.

The invention belongs to the technical field of biological pesticide, in particular to screening and identification of a coniothyrium minitans strain with strong parasitism and saprogenicity on sclerotinia sclerotium and an application thereof in a microorganism agent. The coniothyrium minitans ZS-1SB strain is preserved in China Center for Type Culture Collection (CCTCC) with the preservation number being CCTCC NO: M209114. The invention also discloses an open-type solid fermentation cultivation method of the microorganism agent and an application of the coniothyrium minitans ZS-1SB microbial inoculum in the prevention and treatment of sclerotinia of colza. The microorganism agent of the invention has excellent biological prevention effect on plant fungous diseases such as sclerotinia rot of colza and the like.

The invention discloses a method for water purification by biological decontamination. The method includes: firstly, sludge stirring and separation, to be more specific, adopting mobile sludge exposure equipment for re-deposition of sludge at bottoms of treated rivers and lakes; secondly, establishment of a microorganism survival carrier system, to be more specific, adding carbon sources and microorganism bacterial beds into the treated rivers and lakes to provide a reproduction, parasitism and growth environment for dominant bacterial communities; thirdly, culture and feeding of the dominant bacterial communities, to be more specific, extracting microorganisms with a water purification function from the treated rivers and lakes to form the dominant bacterial communities, and feeding into polluted water engineering sections; fourthly, installation of water aeration equipment; finally, promotion of a water self-purification function, to be more specific, allowing the dominant bacterial communities to quickly reproduce under the aeration action so as to realize in-situ nitrification and degradation of organics in sludge and water and degradation and conversion of ammonia, nitrogen and phosphorus pollutants. The method has advantages that in-situ nitrification and degradation of sludge can be realized, effectiveness in treatment, low investment, short duration and convenience in maintenance are realized, water treatment effects can be kept for a long time, and the problem of a vicious circle of treatment and pollution is solved thoroughly.

The invention provides a seed-harvesting method for growing a host tamarisk ecological forest parasitism cistanche tubulosa in the harsh desert and sand desert comprising the following steps: establishing a drip irrigation and spray system through growing the host tamarisk ecological forest in a programming narrow-row and close planting mode, respectively drilling holes between the rows of grown host tamarisk, sowing the inoculated cistanche tubulosa seeds in a monolayer or stratified mode, achieving the effect of sustainably harvesting mature, plumpness and high yield of cistanche tubulosa seeds for many years by means of the system technology integration of spraying ''foliar fertilizer'' and combining biological comprehensive control. After test, the survival rate of the plant that the cistanche tubulosa is parasitized and inoculated on the host tamarisk can reach 90.5-96.5%, the yield of harvesting cistanche tubulosa per mu is 2-4 kilogram and the germination rate of the harvesting cistanche tubulosa seeds is up to 95.5-98.9%.

The invention discloses a seeker model identification system based on a parasitism loop. The system comprises a simulation signal generation module, simulation equipment and a model identification module. A simulation frequency sweeping input signal is transmitted to serve as theoretical missile target sight angular velocity information through the simulation signal generation module and guides the simulation equipment to work. A seeker in the simulation equipment outputs the actual missile target sight angular velocity, a seeker model is obtained through the model identification module according to identification of the theoretical missile target sight angular velocity and the actual missile target sight angular velocity, and in other words, seeker transfer functions based on the seeker isolation parasitism loop are obtained. The seeker model obtained through identification is applied to design of a guiding system, and digital simulation precision of the guiding system is improved. Furthermore, digital simulation of a guiding control loop can be made not to be dependent on a seeker semi-physical simulation system, and all-working-condition multi-trajectory guiding control simulation can be achieved only through the digital simulation form, thus the work amount of semi-physical simulation is reduced, and research on the seeker and the guiding control system is digitalized.

The invention discloses a health-care grass carp feed for expelling parasite, comprising the following components in weight percent: 2-6% of fishmeal, 3-8% of pumpkinseed, 6-8% of bean pulp, 15-30% of rapeseed meal, 10-30% of cottonseed seal, 10-20% of wheat, 5-12% of rice bran, 1.5-2% of monocalcium phosphate, 1.5-2% of zeolite powder, 1-2% of bentonite and 0.02% of DL-carnitine. By adopting the feed of the invention, the utilization ratio of the grass carp to the feed can be improved, thus improving cultivation benefit, effectively preventing the formation of grass carp fatty liver, and effectively preventing parasitism of tapeworm in intestinal tract of grass carp.

The invention discloses a method for improving breeding efficiency of encarsia formosa. When bemisia tabaci nymphs are bred by adopting a variable-temperature mode, the method disclosed by the invention has the following advantages: 1, individuals of bemisia tabaci nymphs of 2-3 instar are bigger than nymphs of the same instar in the prior art; 2, the survival rate of the nymphs and adults of the bemisia tabaci of all instars is improved, and the time, from egg development to the nymphs and the adults, of the bemisia tabaci is shortened; 3, service lives of the bemisia tabaci adults produced by breeding are longer than bemisia tabaci adults bred by adopting a conventional mode; the bemisia tabaci adults obtained by variable-temperature breeding are used for breeding next generation bemisia tabaci; the egg laying amount of females is higher than that of female bemisia tabaci adults bred by adopting the conventional mode, and the parasitism rate of the encarsia formosa to the bemisia tabaci nymphs is improved. According to the method disclosed by the invention, by shortening the breeding time of an encarsia formosa host, the breeding efficiency of the encarsia formosa is improved.

The invention discloses a methylamine avermectin benzoate insecticide for animals and making method and application, which is characterized by the following: dissolving the insoluble methylamine avermectin benzoate in the water to form powder, particle and tablet; fitting for preventing multiple internal and external parasitism; reducing toxicity, high activity and securing the usage; avoiding the usage of toluene, xylene and carbinol; reducing the pollution; accelerating the health cultivation.

The invention relates to the field of agricultural pest biological control and aims at providing a pupal parasitized wasp artificial breeding production method capable of enhancing drosophila biological control effects. The method comprises collecting drosophila melanogaster pupas with parasitized trichopria drosophilae perkins, performing eclosion for continuous three generations for parasitizing drosophila hydei pupas, and collecting wasp species; inoculating and breeding drosophila hydei, parasitizing and breeding the drosophila hydei pupas with queen parasite wasps, and collecting hatched parasite wasps for storage and reservation. The pupal parasitized wasp artificial breeding production method capable of enhancing the drosophila biological control effects controls the parasite time of the trichopria drosophilae perkins during production and inoculation processes, avoids low parasitic rate caused by over-short parasite time or low yield rate caused by excessive parasitism, facilitates reasonable inoculation and utilization of the parasite wasps through cultivation of the trichopria drosophilae perkins, is applicable to large-scale continuous production, optimizes dominant host selection and wasp breeding technology, achieves high-quality, efficient and large-scale propagation of the trichopria drosophilae perkins and lays a good foundation for propagation and utilization of the trichopria drosophilae perkins.

The invention discloses an artificial multiplication method for tetrastichus septentrionalis. The method includes the following steps of (1) selection of a substitute host; (2), field collection and selection of micromelalopha troglodyta pupa; (3), cultivation of bee species; (4) extraction of information matter; (5), processing of antheraea pernyi pupa; (6), bee receiving; (7), cultivation and development. According to the artificial multiplication method, pupa which is not subjected to parasitism is soaked with ethyl alcohol, pupa surface extract is obtained, then the pupa surface extract is sprayed on the antheraea pernyi pupa in an artificial spraying mode, the tetrastichus septentrionalis is induced to be subjected to parasitism, and the parasitism rate is raised. The tetrastichus septentrionalis is subjected to indoor large-scale multiplication, and a practical technical means is provided for preventing and controlling hyphantria cunea, micromelalopha troglodyta and other lepidoptera pests for forest creatures.

The invention relates to the field of insect feeding, in particular to an artificial propagation technology of scleroderma guani, and provides application of thyestillageblerifacldermann larva as a host to artificial propagation of scleroderma guani. The artificial breeding technology of the thyestillageblerifacldermann has become more mature, and the breeding capacity is large, so that large-scale breeding can be realized. The thyestillageblerifacldermann is used as an alternative host for the scleroderma guani, so that the parasitism is strong and the survival rate of the scleroderma guani is high.

The invention relates to the technical field of agriculture pest biological prevention and control devices, in particular to an automatic and continuous aphidiidae releasing device. The automatic and continuous aphidiidae releasing device comprises a supporting frame, a releasing hole formed in the supporting frame, a fixing ring, a 60-mesh gauze element and a 40-mesh gauze element, wherein the fixing ring is arranged in the release hole in a sleeved mode, the 60-mesh gauze element is fixed to the supporting frame, and the 40-mesh gauze element is arranged on the top face of the release hole. The 60-mesh gauze element is fixedly connected with the supporting frame through thin ropes. The 40-mesh gauze element is fixedly connected with the release hole through the fixing ring. By use of the automatic and continuous aphidiidae releasing device, eclosion of aphidiidae from stiff aphids is continuously carried out, the aphidiidae automatically enter a smoke yield to search for myzus persicae for parasitism, the parasitism rate can be improved to be 90-100%, manpower and material resources can be greatly saved, the prevention and control functions can be automatically and continuously achieved, and the aim of prevention and control over myzus persicae and aphid transmission viral diseases is achieved with a small quantity of pesticides or without pesticides.

The invention relates to a method of reducing amount of plutella xylostella by using cotesia plutellae. The method of reducing the amount of the plutella xylostella by using the cotesia plutellae plays a part in extinction of the plutella xylostella through eclosion, parasitism and field release of the cotesia plutellae. The method of reducing the amount of the plutella xylostella by using the cotesia plutellae has the advantages of being ecologically environment-friendly, avoiding damage of agriculture to the environment, being efficient and economical in extinction effect to the plutella xylostella, and being applicable to large-scale utilization in the agriculture.

The invention discloses a radio frequency switch circuit for improving switch-off capacitance. The circuit comprises a gate voltage control module, a switch module and a bulk voltage control module. The switch module comprises a plurality of cascaded switch units. Low capacitance-to-ground paths are imported among the switch units. According to the radio frequency switch circuit, in a circuit design mode of carrying out low capacitance parallel-to-ground on circuit layers or importing to-ground controllable parasitism low capacitance into latter segment design, the switch-off capacitance Coffcan be optimized and reduced, and the switch-on resistance Ron is basically kept unchanged.

The invention discloses a compound microbial agent of nematode egg parasitical fungi and a spore germination accelerating agent, and a preparation method and application of the compound microbial agent. The compound microbial agent of the nematode egg parasitical fungi and the spore germination accelerating agent comprises paecilomyces lilacinus spore powder or fermentation broth and the spore germination accelerating agent. The best combination with various nutrient substances, which can be used for promoting the germination of paecilomyces lilacinus spores, is obtained through orthogonal experiments, and the bio-control effect of the compound microbial agent for promoting the germination of the paecilomyces lilacinus spores and controlling root-knot nematodes is verified through indoor bioassay experiments. After the compound microbial agent acts on the root-knot nematodes for five days, the egg parasitism rate of the root-knot nematodes can reach more than 80 percent, and the egg hatchability of the root-knot nematodes is almost zero, which are obviously superior to those of a control group. Experimental results prove that the spore germination accelerating agent added in the compound microbial agent can be used for effectively promoting spore germination, so that the parasitism rate of paecilomyces lilacinus to root-knot nematode eggs is improved, the acting time is shorted, and finally the control effect on the root-knot nematodes of plants is significantly improved.

The invention belongs to the technical field of waste water sewage treatment, and discloses a purification, oxygenation, air floatation and aeration device. The purification, oxygenation, air floatation and aeration device consists of a semispherical protective cover (1), a conical floating body (9), a high-end high-pressure fan (3) and a submersible motor (11), wherein an oxygen-gathering rare earth permanent magnet (4) and an LC oscillator (26) are arranged in a vertical drum (2), and air inlets (5) are formed; a boosting stirring blade (16) and a fly-cutter-shaped flow push blade (15) are arranged at the tail end of an ultra-short hollow shaft (14); a sealed cabin (12) filled with nano graphite powder and an air supply cabin (13) are arranged coaxially with the ultra-short hollow shaft (14); the high-end high-pressure fan (3) is used for conveying oxygen-gathering high-pressure air into the underwater air supply cabin (13) through a non-eddying-flow storage air supply cabin (7) and a resistance-free air guide pipe (8). By adopting the purification, oxygenation, air floatation and aeration device, the oxygen-gathering capability, oxygen dissolving capability and rich oxygen transfer rate are increased, the water purification efficiency is increased, a water purification effect is enhanced, the influence of wind waves can be reduced, parasitism of scallops and snails is prevented, and heat-dissipating, lubricating, dust prevention and rainwater prevention effects are achieved. The device can run safely and stably.

The invention discloses a method for improving parasitic ability of parasitic wasps by utilizing a hairyvein agrimonia herb and bud ethanol extract. The method is designed against the situation that the parasitic ability of the parasitic wasps in the natural world is usually not high, when in great occurrence amount of pests, the natural pest control effect is small, and the complete control of the pests can not be realized. The use of the traditional Chinese medicine hairyvein agrimonia herb and bud ethanol extract for processing meteorus pulchricornis can significantly improve the parasitic amount of the meteorus pulchricornis to vegetable major pest spodoptera exigua and enhance the pest control ability of the parasitic wasps. Compared with the traditional pest control which takes the pests as a target object, the technology takes the parasitic wasps which are the parasitic natural enemies of the pests as the target object and uses the hairyvein agrimonia herb and bud ethanol extract to improve the parasitic amount and the parasitic speed of the meteorus pulchricornis, so as to improve the pest control effect. The technology not only has evident synergy, but also has high safety and can effectively improve the biological control level of the pests. The economic, the social and the ecological benefits are very significant after a large number of applications on the production.

The invention discloses an artificial breeding method of a Taiwan abdominal cocoon bee. The artificial breeding method of the Taiwan abdominal cocoon bee comprises the following steps: A1, establishing a bee multiplying chamber; A2, acquiring a bee seeding; A3, bee receiving method; A4, rejuvenating bee species; A5, rejuvenating a host. By indoor breeding prodenia litura as expanding propagating host of the Taiwan abdominal cocoon bee, artificial regulating and controlling temperature and humidity and the like, bee adult periods of the prodenia litura and the Taiwan abdominal cocoon bee are identical. A prodenia litura egg mass is utilized to parasitize for the Taiwan abdominal cocoon adult bee to breed the Taiwan abdominal cocoon bee, wherein rejuvenating technology of the bee seeding and host species, breed conservation technology and the like. The artificial breeding method of the Taiwan abdominal cocoon bee aims to artificially breed abundant parasite natural enemy, namely, the Taiwan abdominal cocoon bee and then conducts field release in target pest spawning period and has the advantages of improving field parasitism rate of the target pest, controlling the population quantity of the target pest, reducing crop damage degree, reducing chemical pesticide usage amount, improving yield and quality of agricultural output, and protecting life safety of people and ecological environment safety.

The invention discloses a method for quickly breeding aphidius gifuensis. The method includes steps of host plant cultivation, insect species breeding, bee species breeding and aphidius gifuensis breeding, a wild ansu apricot tree or peach tree seedling is selected as a host plant, and a puerile treetop produced from the seedling after water-fertilizer culture is subjected bee breeding for about 35-45 days, which is a reduction of 30 days when compared with using tobacco for seedling breeding. The host plant can be grafted with aphid after leaf buds germinate and leaves unfold on March of early spring, so that time for first-time breeding of aphidius gifuensis in tobacco-growing areas of Northeast China is shortened, and the problems of frost influence, high breeding energy consumption, low activity of aphidius gifuensis, staggering of bee breeding peak and aphid appearing peak and irregular mummified aphidius gifuensis forming are solved. By the method, bee breeding cost is lowered, and using range of aphidius gifuensis is widened; the host plant of five years old can breed more than 50 thousand myzus persicae, braconid parasitism rate is up to 80%, mummified aphid forming rate of the host plant is up to higher than 75%, and each host plant can breed mummified aphidius gifuensis and can prevent and control different crops by more than 60 mu.