195 results about "Tetranychus cinnabarinus" patented technology

The invention discloses a method for propagating Phytoseiulus Persimilis, which comprises the steps: planting and cultivation of host plant, inoculation and feeding of Tetranychus cinnabarinus, inoculation and feeding of Phytoseiulus Persimilis as well as collection, package and refrigeration of Phytoseiulus Persimilis. The method takes mass propagation of Phytoseiulus Persimilis as the purpose, provides technical support for feeding Phytoseiulus Persimilis on scale, and provides special predacity natural enemy for Tetranychus pest mites on greenhouse crops for biological control. The invention is a production method in which living hosts (firstly host plant and host Tetranychidae are cultivated) are adopted for feeding Phytoseiulus Persimilis, and makes a series of breakthroughs on key techniques for artificial mass propagation of Phytoseiulus Persimilis. The method of the invention can lead the production cost of Phytoseiulus Persimilis to be stabilized, the production period to be 25 days, and the production scale to reach 10,000/m<2>.

The invention provides a method for propagating Oriusminutus artificially, which comprises the following steps: cultivation of spawning substrate, feeding of host; preparation of instruments of production, preparation of artificial feedstuff and preparation of seeds are carried out; under the conditions of 25 DEG C, 75% of PH and 16L:8D of illumination, kidney bean buds are taken as the spawning substrate, and Tetranychus cinnabarinus or the artificial feedstuff is used for feeding; firstly, the kidney bean buds on which the Oriusminutus spawn is produced are placed in a large tray, and kidney bean seedlings with proper Tetranychus cinnabarinus are placed in the large tray by interpenetration, according to the age period of Oriusminutus, the number of the proper Tetranychus cinnabarinus is confirmed; then the Oriusminutus with the tray are placed in an insect breeding cage for feeding the Oriusminutus. Spawn needs 12-16 days to grow to be imago, and the production period is about 30 days. The method is applicable to feeding with large amount and being promoted, thus laying the solid foundation for producing Oriusminutus with large amount and providing great convenience to biological control.

The invention discloses a thymol mite-killing microemulsion and a preparation method thereof. The microemulsion comprises the following components in percentage by weight: 5 to 25 percent of thymol, 10 to 20 percent of solvent, 10 to 20 percent of emulsion, 0.5 to 3 percent of stabilizer, and 1 to 5 percent of antifreeze agent, and the balance of water. The microemulsion has broad spectrum of killing mites, can effectively prevent and control various agricultural pest mites, such as Tetranychus cinnabarinus, Tetranychus piercei McGregor, Oligonychus biharensis and the like, and is safe and low in toxicity. The microemulsion has simple production process, easy preparation and low cost.

The invention discloses an acaricidal composition containing biphenyl synergistic acaricides. The acaricidal composition contains two active components. The first component is a biphenyl synergistic acaricide A. The second component is selected from other acaricide active component formulations. A weight ratio of the synergistic acaricide A to the other acaricide formulations is 1:50-50:1. According to the invention, the obtained composition has an excellent control effect by compounding the synergistic acaricide A and the other acaricide formulations. Meanwhile, the composition enlarges an acaricidal spectrum and has a synergistic effect. The acaricidal composition provided by the invention can improve the control effect, reduce the agricultural cost and delay the generation of insecticide resistance of pests, has good control effect on panonchus citri M., xiupi lice, polyphagotarsonemus latus Banks, tetranychus cinnabarinus, twos potted spider mites and other pest mites, can be usedfor mete control of fruit trees, such as citrus and grapes, and solanaceous crops, such as eggplants, peppers and tomatoes. In addition, the acaricidal composition provided by the invention also has good control effect on pear psylla, lepidosaphes ulmi and leafhopper kind insects.

The invention discloses a black locust plant acaricide, a preparation method and an application of the black locust plant acaricide, wherein the acaricide comprises the following components in percentage by weight: 10-40% of black locust branch extract, 10-40% of black locust stem extract, 5-35% of black locust leaf extract, 5-35% of black locust flower extract and 20-60% of distilled water; the black locust branch extract, the black locust stem extract, the black locust leaf extract and the black locust flower extract are extractum obtained by steps of grinding black locust branches, stems, leaves and flowers after being dried and then performing decompressing concentration. The black locust plant acaricide has high control efficiency for Tetranychus cinnabarinus, can be directly used for preventing and treating the insects, has the advantages of harmlessness, no pollution and no residual toxins, and avoids the damage of chemical pesticide.

The invention discloses pyrimidine-containing substituted azole compounds with a structure as shown in a formula 1 in the description. In the formula 1, the definition of each substituent is enclosedin the description. The compounds disclosed by the invention have broad-spectrum bactericidal function and insecticidal and acaricidal activities, and have excellent control efficacy on cucumber downymildew, puccinia polysora, cucumber anthracnose and the like, in particular on cucumber downy mildew and puccinia polysora. Part of the compounds show certain insecticidal cavity on myzus persicae and tetranychus cinnabarinus at the same time. The pyrimidine-containing substituted azole compounds can be used for preparing bactericidal, insecticidal and acaricidal agents.

The invention provides a nitrogen heterocyclic ring substituted aryl propenone compound (formula I), a preparation method and application thereof. The structural formula of the compound is shown in the formula I, wherein in the formula I, R in X (shown as formula on the right) is H, F, Cl, Br, CH3O, C2H5O, 2, 4-dichloro, NO2 and CH3; and in the formula I, Y is 2-nitroiminoimidazolidine, 2-cyanoimino-1, 3-thiazolidine, thiazolidine and other nitrogen heterocyclic rings. The compound has excellent chemical killing activity to aphid, tetranychus cinnabarinus, diamondback moth and other harmful pests, and biological activity of partial compound is equivalent to that of control insecticides. Furthermore, compared with effective constituents of natural Stellera chamaejasma L, the compound has the advantages that the compound has simple structure and easy acquisition, and can be actually applied to agricultural production.

The invention discloses a method for breeding neoseiulus californicus through apricot blossom pollen. The method includes the steps that a mature and thick sword bean leaf is selected and washed clean and is then placed into a breeding box with the back facing upwards, and tetranychus cinnabarinus and the neoseiulus californicus are put to the leaf to be bred as an insect source; a layer of cotton is applied to the bottom of a culture dish with the diameter of 9 cm and wetted with water, and the selected thick sword bean leaf is cut into a circle and closely attached to the wet cotton to be closely surrounded by the cotton strips and is then moistened; a certain number of neoseiulus californicus eggs laid within 24 h are selected and placed on the circular leaf, the culture dish is filled with a small amount of apricot blossom pollen and is then sealed through a preservative film, the small holes are punched in the preservative film, the growth conditions of the predatory mites are observed once every 12 h, and the pollen is replaced once every 24 h; the selected eggs on the circular leaf are incubated within 24 h to 48 h and bred to 6-7 d, and mating is carried out when the mating phenomenon occurs; female mites having been mated are placed into an independent culture dish to be bred, the egg laying amount is observed once every 12 h, and laid eggs are picked out and placed into another culture dish and can also be incubated normally, feed, grow and be mated to lay eggs.

The invention discloses a pesticide composite for preventing and controlling tetranychus cinnabarinus disease, and belongs to the technical field of pesticide. The pesticide composite is prepared from luffa stem, artemisia annua, gleditsia sinensis, aconitum carmichaeli, calamendiol, winter cherry, thorn apple, tobacco, pepper, garlic, pokeberry root, rubia cordifolia, mugwort, areca catechu and red-knees herb. By means of natural Chinese herbal medicine ingredients, the pesticide composite can not pollute the environment and is easy to prepare, easy to use and integral in prevention and control, materials are convenient to obtain, the effect of better preventing and controlling tetranychus cinnabarinus is achieved, and the control effect can almost reach 100%.

The invention relates to a miticide combination and application thereof. The mite-killing combination contains such active ingredients as bifenazate and tebufenpyrad in a mass portion ratio of 100:1-1:50 and can be prepared into micro-emulsion, wettable powders, water dispersible granules, suspending agent, aqueous emulsion or emulsifiable concentrates. The mite-killing combination has good synergistic effects, can retard the drug fastness of pests and prolong the service life of pesticide varieties. The combination is applied to controlling various mites on the cash crops, oil crops and foodcrops, is especially suitable for controlling panonychus ulmi, tetranychus urticae koch, tetranychus cinnabarinus, tetranychus truncates, polyphagotarsonemus latus and rust mites, and has the effect sobviously higher than the effects of the single two drugs.

The invention discloses a substituted pyrimidine compound. The structure of the compound is shown in a general formula (I), wherein each substituent is described in the specification. The compound has broad-spectrum sterilization, insecticidal and mite killing activity, has good prevention and control effects on diseases such as cucumber downy mildew, puccinia sorghi, wheat powdery mildew, rice blast and cucumber gray mold, and particularly has better prevention effects on the cucumber downy mildew, the puccinia sorghi, the rice blast and the like, and also has good prevention and control effects on aphids, tetranychus cinnabarinus, diamondback moths and armyworms, and good effects can be achieved under the condition of small dosage. The compound also has the characteristics of simplicity of a preparation method and the like.

The invention belongs to the technical field of pesticides, and particularly relates to aryl sulfide containing a benzylamine structure and a synthesis method and application of the aryl sulfide. Represented by the following compounds: or an agriculturally acceptable salt thereof. The compound as shown in the general formula I has an excellent effect on various harmful organisms, especially on tetranychus cinnabarinus, tetranychus urticae, tetranychus kanzawai, Panonchus citri Mc Gregor and the like, and can be used for preventing and treating various harmful mites.

The invention discloses a pesticide combination comprising the active ingredients including fenazaquin and tebufenpyrad in a mass ratio of 60:1-1:60. By combining the fenazaquin and the tebufenpyrad, the combination has obvious synergy effect, can reduce the dosage of the active ingredients and the pesticide application frequency, and is conductive to retarding the drug resistance of mites. The combination of the invention can be used for controlling various mites on the crops and the horticultural crops, is especially suitable for controlling panonychus ulmi, tetranychus cinnabarinus and tetranychus urticae koch and can simultaneously control homopteran and hemiptera pests on the crops.

The invention discloses a plant source synergistic complex acaricide. The prepared plant source synergistic complex acaricide is formed by compounding cnidium oil and wintergreen oil serving as principle components and adding auxiliary agents, wherein the form of the preparation is of missible oil, microemulsion or aqueous emulsion and is mainly used for preventing and controlling tetranychus viennensis, tetranychus cinnabarinus, petrbia harti ewing and tetranychus urticae. The acaricide comprises the following raw materials in percentage by weight: 1.0 to 50.0 percent of cnidium oil, 1.0 to 50.0 percent of wintergreen oil and the balance of various auxiliary agents. The plant source synergistic complex acaricide has the characteristics of no chemical pesticide component, low toxicity to human beings and animals and environmentally friendly, capability of preventing and controlling various mites on fruit trees, vegetables and flowers, and extremely high application and popularization values on organic crops, so the plant source synergistic complex acaricide is a novel non-pollution acaricide.

The invention relates to an acaricide composite for agricultural use, in particular to an acaricide composite containing the first active ingredient of spirodiclofen and the second active ingredient of bifenazate. Compared with siple dosage, the acaricide composite has a remarkable synergistic effect on acarina, has good preventive and therapeutic effects on panonychus citri on fruit trees, cotton and vegetables, panonychus ulmi, tetranychus urticae, tetranychus cinnabarinus or carmine spider mite, can kill eggs, larva, nymphs and adults, and is favorable for delaying production of drug resistance of acarina.

The invention discloses a composite insecticidal and acaricidal nano aqueous agent containing fenpropathrin and lambda-cyhalothrin, wherein the composite insecticidal and acaricidal nano aqueous agentis prepared from active ingredients of fenpropathrin and lambda-cyhalothrin, a surfactant and water, the weight percentage content of the fenpropathrin and the lambda-cyhalothrin is 3-80%, the weightpercentage content of a pesticide adjuvant is 5-20%, the balance is water, and a weight ratio of fenpropathrin to lambda-cyhalothrin is (20:1)-(1:20). The insecticidal composition can generate high synergistic effect, overcomes and delays the drug resistance of pests, is high in insecticidal speed and long in lasting period, reduces the medication cost, has obviously high prevention and control effect compared with a single agent, can prevent and control lepidoptera pests on crops, especially can be used for preventing and controlling helicoverpa armigera and tetranychus cinnabarinus, and hassignificantly high effect compared with the use of a single agent.

The invention belongs to the technical field of devices for eliminating harmful animals or harmful plants and discloses a rapid field detection kit for sensitivity of tetranychidae type tiny pests anda use method. 4-hour sensitive baseline (LC-P line) of a tetranychus cinnabarinus sensitive strain to fenpropathrin and cyflumetofen is obtained through bioassay with an indoor drug membrane method,the diagnostic dose (LC99) is obtained through calculation. The FRC (field recommendation concentration) of two miticides is searched; two agents are prepared, and diagnostic drug bottles with three concentrations including LC99, 2*LC99 and FRC are made for each agent; about 30 tetranychus cinnabarinus is picked, and the death rate condition is detected after 4 hours. Four tetranychus cinnabarinuspopulations are fed in an outdoor net house, each population is treated with the field recommendation dose, and field control effects are investigated after the agents are applied for 1 d, 10 d and 15 d. The kit agent use concentration is determined and detected according to the correlation between the diagnostic death rate in the drug bottles and the field control effects, and kit manufacture iscompleted.

The invention relates to an acaricidal composition containing bifenazate and organic tin miticide and an application thereof. By taking the bifenazate and the organic tin miticide as main active components and mixing with aids and excipients, the acaricidal composition is made into microemulsion, wettable powder, suspending agent, water emulsion, water dispersible granule and cream, wherein mass fraction ratio of the bifenazate to the organic tin miticide is 100:1-1:100. The acaricidal composition has great synergistic interaction, which can prevent and overcome drug resistance developed by harmful organisms and prolong service life of pesticide breed. The composition is used to control various harmful mites in economic crops, oil crops and grain crops, in particular to tetranychus cinnabarinus, tetranychus urticae koch, panonychus ulmi koch, tetranychus truncatus ehara, polyphagotarsonemus latus and aceria litchii, and the effect thereof is obviously higher than that of the two pesticides separately used.

The invention discloses a method for enhancing plant insect resistance. The method for enhancing the plant insect resistance comprises the following steps that a tomato gene sequence Solycllg069190 0.1 is cloned; a carrier containing the tomato gene sequence Solycllg069190 0.1 is constructed, and the functions of the carrier are identified; over-expression of the carrier pLP35S-S1ARF4 is performed to convert tomatoes; transgenic lines are identified, and transgenic plants are obtained. By means of the means of genetic engineering, the auxin response gene S1ARF4 is subjected to over-expression in tomatoes, so that the epidermal hair density of the surfaces of the tomatoes is improved, and the plant insect resistance is enhanced; the laying performance of tetranychus cinnabarinus on the plants obtained after over-expression is remarkably lowered, and the number of laid eggs is decreased; meanwhile, under the identical condition, tetranychus cinnabarinus is more unwilling to move to leaves of the plants obtained after over-expression for feeding.

The invention discloses an insect and acarid killing composition. The composition comprises the active ingredients of spirotetramat and pyridaben, wherein the mass ratio of the spirotetramat to the pyridaben is 40:1 to 1:80. The composition has obvious synergism, can reduce the using amount of the active ingredients, reduce the application times and contribute to delay the development of the drug resistance of insects and acarids. The composition can be used for preventing and controlling various injurious insects and acarids on agricultural and horticultural crops, and are particularly suitable for the prevention and control of the harmful insects, such as planthoppers, leafhoppers, thrips, whiteflies, scale insects and the like, and the harmful acarids, such as tetranychus urticae, tetranychus cinnabarinus and the like.

The invention provides a tetranychus cinnabarinus cytochrome p450 gene. The cDNA base sequence of the tetranychus cinnabarinus cytochrome p450 gene comprises the sequence shown in SEQ ID NO. 1. The invention also provides an amino acid sequence and a dsRNA sequences corresponding to the cDNA base sequence, as well as a recombinant expression vector, a transgenic cell line, a recombinant strain and an expression kit associated with the gene. The tetranychus cinnabarinus cytochrome p450 gene is used for cultivating transgenic cotton or can be used for preparing products for prevention and treatment of tetranychus cinnabarinus. After the tetranychus cinnabarinus eats the transgenic cotton, the expression amount of the in-vivo gene is significantly decreased, the egg laying amount is also significantly reduced which shows that more serious fitness cost exists. The tetranychus cinnabarinus cytochrome p450 gene provides novel genetic resource for the development on anti-mite transgenic plants and provides a new way for scientific and effective prevention of tetranychus cinnabarinus.

The invention discloses a method for efficiently breeding phytoseiulus persimilis and belongs to the field of biological control of agricultural pests. The method comprises steps as follows: planting and culturing of host plants, inoculation and breeding of tetranychidae, inoculation and culturing of the phytoseiulus persimilis as well as harvesting and storage of the phytoseiulus persimilis. The host plants adopt sweet potato cutting seedlings, and the tetranychidae is a mixed population of tetranychus cinnabarinus and tetranychus urticae. The time for breeding the phytoseiulus persimilis with the sweet potato cutting seedlings is 30-40 days and is shortened by 40% compared with the breeding time with a breeding method of bean seedlings having the same leaf area, and the greenhouse utilization efficiency is improved.