961 results about "Aphis" patented technology

Disclosed is a large-scale breeding method for breeding mummified aphids and adult bees of aphidiusgifuensis by yellow-green myzuspersicae. The yellow-green myzuspersicae with large bodies serve as host aphids of aphidiusgifuensis, and parent aphid disease-resistant leafy cruciferous green vegetables, radishes or sweet blue flowers serve as host plants of the yellow-green myzuspersicae, so that the mummified aphids and the adult bees of the aphidiusgifuensis are artificially bred on a large scale. The method solves the problems that the bodies of the host aphids are small, the mummified aphids are difficultly collected, the eclosion rate of the aphidiusgifuensis is low, successful egg laying amount is small and industrialized production is not easily realized when the aphidiusgifuensis is artificially bred. Collecting and breeding technology of the host aphids and species of the aphidiusgifuensis is provided in the artificially breeding process, the technology of host plant cultivation, inoculation breeding of the aphids and breeding of the mummified aphids and the adult bees of the aphidiusgifuensis is provided, the method has the advantages of short period, high efficiency, high breeding speed and low cost, the mummified aphids of the aphidiusgifuensis can be largely bred, the mummified aphids and the adult bees of the aphidiusgifuensis are produced on a large scale, and the myzuspersicae, English grain aphids and cotton aphids can be effectively prevented in the technical field of biological prevention.

The invention discloses a traditional Chinese medicine pesticide and belongs to the technical field of pesticides. The traditional Chinese medicine pesticide is prepared from the following crude drugs in parts by weight: 9-11 parts of anemarrhena asphodeloides, 9-11 parts of gardenia jasminoides, 9-11 parts of forsythia suspensa, 9-11 parts of radix stemonae, 4-6 parts of lonicera japonica, 2-4 parts of sophora flavescens, 2-4 parts of giant typhonium rhizome, 2-4 parts of illicium verum, 2-4 parts of common carpesium fruit, 2-4 parts of ulmus macrocarpa hance, 4-6 parts of rhizoma cimicifugae, 2-4 parts of folium artemisiae argyi, 4-6 parts of radix adenophorae, 2-4 parts of radix lithospermi, 4-6 parts of bunge corydalis herb, 2-4 parts of acorus calamus, 4-6 parts of garden balsam stem and 4-6 parts of radix isatidis. The invention also discloses a preparation method of the traditional Chinese medicine pesticide and an application of the traditional Chinese medicine pesticide to prevention of crop aphids, mites, viral diseases and cabbage worms. The crude drugs of the traditional Chinese medicine pesticide have different pharmacological characteristics; good insect killing, insect expelling and sterilization effects are achieved after the compatibility of the crude drugs; diseases can be prevented and cured; the application range is quite wide.

The invention discloses a pesticide composition and application thereof in agriculture. The composition comprises the effective components of screw worm ethyl and anabasine class pesticide, wherein the mass ratio of the screw worm ethyl and the anabasine class pesticide is 60:1-1:80. The composition has a synergistic action, is especially obvious to resist pests, also can lower the application quantity and delay the generation and development of resistibility. The composition can be used for preventing and treating various pests in agriculture and is especially suitable for preventing and treating resistant pests with sucking mouth parts, such as plant hoppers, aphides, whiteflies, leafhoppers and the like.

The invention discloses a method for planting selenium-enriched organic Wuliqing teas. The method comprises the following steps of (1) preparing soil in a tea garden; (2) after the autumn teas are harvested, digging fertilizer applying channels between tea tree planting rows, wherein the channels are 50-80cm in deep; applying organic fertilizers and selenium-enriched fertilizers, applying one layer of fertilizer and then applying one layer of soil, wherein each layer of soil is 10-20cm in thick; turning up undersoil and burying surface soil; (3) installing insect trapping and killing lamps in the tea garden, gluing aphids, intermittently planting rutaceae shrub crops (3), and dressing the selenium-enriched fertilizers before 20 to 45 days of the harvesting of each stubble of new teas. The selenium contents of the selenium-enriched organic Wuliqing teas produced according to the method can reach the standard of selenium-enriched tea in NY/T600-2002 edition and the standard of organic tea in NY-5169-2002 edition.

The present invention relates to a compound pesticide with good effect for killing tea scale louse, green leafhopper, mites and aphis, etc. Said compound pesticide is made up by using organic solvent extracts of hot pepper, chinaberry root bark and willow-leaved smartweed through a certain preparation process. Besides, said invention also provides the concrete steps of said preparation process.

The invention discloses dsRNA (double-stranded ribonucleic acid) and application to aphid growth inhibition. The dsRNA provided by the invention is dsRNA as expressed by 1) or 2) as follows: 1) dsRNA consisting of ribonucleic acid as shown by a sequence 4 in a sequence table and ribonucleic acid as shown by a reverse complementary sequence of the sequence 4; and 2) dsRNA consisting of ribonucleicacid as shown by a sequence 5 in the sequence table and ribonucleic acid as shown by a reverse complementary sequence of the sequence 5. According to experiments, the obtained dsRNA of a conserved sequence of cytochrome P450cDNA (complementary deoxyribonucleic acid) of English grain aphids and green peach aphids can inhibit growth and development of the English grain aphids and the green peach aphids and can cause a lethal effect by adopting a method of feeding the dsRNA in vitro and using an RNAi (ribonucleic acid interfere) technology to silence the in-vivo cytochrome p450 of the English grain aphids and the green peach aphids.

The invention provides an insecticidal suspending agent containing dinotefuran. The suspending agent is characterized by being prepared from the following components in mass percentage: 1-30% of the dinotefuran, 0.1-35% of a second active component, 3-9% of a wet dispersant, 0.1-0.5% of a de-foaming agent, 1-6% of an anti-freezing agent, 0.1-4% of a thickening agent, 0.1-0.5% of a preservative, 0-2% of a pH (Potential of Hydrogen) adjusting agent, 0-2% of an antioxidant, 0.5-5% of a functional auxiliary agent and the balancing being water, wherein the second active component is one of bifenthrin, imidacloprid, methylamino abamectin benzoate, cyhalothrin, thiamethoxam, indoxacarb, chlorfenapyr, acetamiprid and ethiprole. According to the insecticidal suspending agent, special components are selected and the content of each component is strictly limited; and the prepared insecticidal suspending agent has the very good fast-acting property and lasting period and has the very good prevention effect on tea lesser leafhopper, aleyrodid, thrips, aphids and the like. After the functional auxiliary agent is added, the insecticidal efficacy is improved by 10-12% when being compared with a medicament which is not added with the functional auxiliary agent.

The invention discloses a cyantraniliprole containing insecticidal composition, which is an insecticidal composition containing active ingredients A and B, wherein the active ingredient A is cyantraniliprole, the active ingredient B is any one of the following pesticides: imidacloprid, acetamiprid, nitenpyram, thiamethoxam, thiacloprid, clothianidin and dinotefuran, and the weight ratio of the active ingredients A and B is 1:60-60:1. The composition disclosed by the invention can control various insects, has an obvious synergistic effect, expands the insecticidal spectrum, and has high activities to piercing-sucking pests such as plant hoppers, aphid, tea lesser leafhopper and aleyrodid, and lepidoptera pests such as plutella xylostella and asparagus caterpillar; the application amount of pesticides is reduced, the residues of pesticides on crops are reduced, and the environment pollution is reduced; and the composition is safe to people and livestock and good in environmental compatibility, and pests are unlikely to produce pesticide resistance.

The invention relates to a planting technology of purple sweet potatoes, in particular to various measures for planting purple sweet potatoes on the aspects of purple sweet potato seed selection, fertilization, seedling culturing, field management and the like. The planting technology comprises the following steps of: selecting Japanese king purple sweet potatoes serving as seeds; taking the seeds out of a cellar when the temperature is about 15 DEG C in the middle of February for seedling culturing; transversely arranging the seeds on a seedling bed continuously at the line space about 5 centimeters; covering with fine soil; spraying water onto the soil with a sprayer; covering with a plastic film; preserving moisture and heat; when seedlings grow to over 20 centimeters, inserting the seedlings into a field; performing deeply digging and ridging on a sun-exposed plot with a high relief, wherein the ridge distance is generally 60-70 centimeters, and the ridge height is 25-30 centimeters; performing top application once to twice according to the soil fertility; at the tuber expansion stage, keeping the ground wet and keeping the soil moisture at about 70-80 percent; and at the field growing period, selecting low-toxicity chemical pesticides in time to prevent and control pests such as aphids, palaearctic sweet potatoes, prodenia lituras and the like.

The invention provides a nutrient fertilizer for fuchsia. The nutrient fertilizer can meet the basic nutrient requirements of the whole growth period of the fuchsia, and is favorable for promoting growth and development of roots and leaves of the fuchsia. The fertilizer has sterilization, pest killing and pest and disease prevention while being applied, and has a good effect of preventing, controlling or relieving aphids, blight, rust disease, root rot, powdery mildew and the like possibly produced in the fuchsia. After the fertilizer is applied, the fuchsia has the advantages of large and multiple flower buds, bright color, few pest and disease and quick growth and development speed and also has high ornamental value.

The invention discloses a phyto-pesticide and a use method thereof. The pesticide is used for controlling aphids, rice planthoppers and cabbage worms. A principle of 'monarch, minister, adjuvant and messenger' for drug formula in philosophy of the traditional Chinese medicament is used in the development of a product of the phyto-pesticide formula. The phyto-pesticide comprises four plant extracts including 0.5 to 10 percent by sanguinarine of macleaya cordata, which plays a main insect killing role and serves as a monarch drug; 2 to 20 percent by nicotinamide of tobacco extract, which is used for improving the insect killing effect of the 'monarch drug' and serves as a 'minister drug'; 5 to 10 percent by teasaponin of tea oil cake, which is used for making a target insect refuse to have food, generates certain gastrointestinal toxicity to reduce the viability of the insect and serves as an 'adjuvant drug'; 0.1 to 0.5 percent by natural borneol(L(-)-Borneol ) of borneol camphor, which can expel the insect and serves as a 'messenger drug'. The formula combines the 'monarch, minister, adjuvant and messenger' composite formula and an additive and a carrier to prepare the pesticide with insect expelling effect. The phyto-pesticide is effective, free from residue and environmentally-friendly.

An active insecticide for preventing and eliminating the agricultural pests, such as thrips, aphis, aleyrodid, leafhopper, plant hopper, rice borer, etc, is proportionally prepared from pymetrozine and other active components chosen from pyriproxyfen, methylamino abamectin benzoate and buprofezin.

Provided are a lycoris radiata bulb extractive pesticide and a method for preparing an extractive. Lycoris radiata bulbs can be manufactured into the lycoris radiata bulb extractive pesticide in forms of missible oil, microemulsion, wettable powder and the like through certain processing procedures. The lycoris radiata bulb extractive pesticide has good insecticidal ovicidal activities to tetranychus, plutella xylostella, vegetable aphides, armyworms and pine wood nematodes and protective effect in fields and woodlands. The pesticide is remarkable in effect, low in toxicity and residuals, simple in preparing process, low in cost and suitable for popularization and application and accords with the development tendency of existing pesticides, and pests do not easily produce drug resistance.

The invention discloses a paecilomyces lilacinus strain and its culture method and use. The paecilomyces lilacinus strain is paecilomyces lilacinus CPLI0708, is preserved in the China general microbiological culture collection center (CGMCC) and has an accession number of CGMCC No.8450. The culture method of the paecilomyces lilacinus strain comprises the following steps of A, bacterial strain activation: carrying out bacterial strain streak cultivation activation on a PDA inclined plane, B, bacterial strain liquid fermentation culture: transferring the activated bacterial strain into a triangular flask with a liquid medium and carrying out shaking culture, and C, bacterial strain solid fermentation culture: mixing a carrier, a nutrition matrix and water according to a volume ratio to form a uniform mixture which is a solid fermentation medium, putting the solid fermentation medium into a fresh-keeping bag, inoculating the solid fermentation medium with a liquid fermentation seed, carrying out stirring to obtain a uniform mixture and carrying out culture. The bacterial strain conidiospore has strong effects of killing sucking-type insects such as greenhouse aphids and whitefly and the fermentation broth has strong effects of killing larvas of soybean cyst nematode and can be used for pollution-free vegetable production.

The invention relates to an insecticide composition containing spinosad and neonicotinoid insecticide and the application thereof. The composition comprises spinosad which is used as a first active ingredient and neonicotinoid insecticide which is used as a second active ingredient; wherein the second active ingredient is selected from imidacloprid or thiamethoxam; the weight ratio between the first active ingredient and the second active ingredient is (0.01-200):1, preferably, (0.05-20) :1. The composition has the advantages that the components are reasonable, the disinsection effect is good, the drug consumption cost is low, the activity and the disinsection effect have remarkable synergistic action but not simple superposition of the activities of all the components, resistance can not be generated, the level of residue of the preparation is low, no pollution can be caused to crops, the security is good, and thereby the composition conforms to the security requirement for pesticide preparations. The composition has 87.11 to 96.04 percent of prevention and control effects on thysanoptera pests, for example, common thrips, and homoptera pests such as lice and aphides.

The present invention relates to a Lactuca sativa L. var. longifolia Lam seed designated as 41-49 RZ, which has leaves with a hollow main vein, broad base leaves, and exhibits resistance against downy mildew (Bremia lactucae Regel), currant-lettuce aphid (Nasonovia ribisnigri), corky root (Sphingomonas suberifaciens) and lettuce mosaic virus (LMV). The present invention also relates to a Lactuca sativa L. var. longifolia Lam plant produced by growing the “41-49 RZ” seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 41-49 RZ.

The invention belongs to the field of pesticides, specifically involves a rotenone compound insecticide and its preparation method. In the invention, the active ingredient of rotenone and capsaicin is selected, prepared and mixed or on this basis other insecticidal active ingredient is added in and mixed, then high-efficient, low-toxic plant-pesticide is got. In the application the ingredients in this pesticide of the invention play cooperatively, improve the effectiveness of the use of pharmaceutical product, and have good kill effect on plutella xylostella, pieris rapae, aphids, red spider, and so on.

The invention discloses an aschersonia aleyrodis strain and the application of the strain. The aschersonia aleyrodis strain is a wild strain separated from bemisia tabaci body in Guangzhou area, which is naturally infected by worm living fungus. The wild strain is multi-planted on the bemisia tabaci body for the rejuvenation, so that the aschersonia aleyrodis strain is obtained; the purified strain is obtained through single spore isolation. The paecilomyces fumosoroseus strain is AA01-N8; the preservation number of the strain is CCTCC No: M207087; the strain is stored in China Center for Type Culture Collection on 27 June, 2007. Through a long term of infectious biology research and the indoor biology testing, the aschersonia aleyrodis has strong infectious and killing effects for a plurality of sucking mouth parts insects, such as the white fly and the cotton worm etc.