1934 results about "Aphid" patented technology

The invention belongs to the field of pesticide, which mainly relates to an ultralow-volume solvent containing pleocidin or spinetoram. The ultralow-volume solvent is an active component I or an active ingredient compounded by the active component I or an active component II, and the balance is solvent and accessory ingredient, wherein the active component I is pleocidin or spinetoram; and the active component II is insecticide of the other type of action mechanism. The ultralow volume solvent is simple to process and has the advantages of water conservation, high work efficiency, long efficacy continuing period, small possibility of generating resistance to drug for a target, small environment pollution, synergy and the like. Ultralow volume spraying, low-volume spraying or low-volume electrostatic spraying is applied to effectively prevent and control various pests, such as Cnaphalocrocis medinalis, Chilo suppressalis, rice planthopper, Ostrinia nubilalis, plutella xylostella, cabbage caterpillar, Spodoptera litura, Spodoptera exigua, aphids, Lesser green leaf hopper, Icerya purchase, aleyrodid, Thrip, stinkbug, acridid, flea beetle, leafminer, looper and the like.

The invention discloses a preparation method and application of rhamnolipid. In the method, the rhamnolipid is produced by using waste grease as carbon source, and utilizing the fermentation of pseudomonas aeruginosa; and with the combination of the defoaming effect of ethanol, the yield of the rhamnolipid can reach 35 to 50 g / L and the cost is about 25 to 40 percent lower than that of the conventional method. When the solution containing 20 to 500 mg / L of rhamnolipid is used for processing plant disease fungus, the ratio of inhibiting disease fungal mycelium growth and spore germination can reach 40 to 90 percent and the plant fungal diseases can be effectively inhibited; the solution containing 20 to 500 mg / L of rhamnolipid has an obvious effect of killing cockroaches and aphids; and in addition, when the rhamnolipid is used as an aid of pesticide, fertilizer and feed and a dehydrating agent of oil-contained sludge by replacing a chemical surface active agent, the effect is obvious.

The invention discloses a corn planting and cultivating method. The corn planting and cultivating method includes the following steps of selecting a corn variety and conducting soil preparation before planting, arranging wide rows and narrow rows at intervals, sowing corn, completing sowing, pipe paving, film paving and soil covering through an air suction type precision seeder, and conducting field management in the seedling stage, the ear stage and the flower stage, wherein the width of each wide row ranges from 85cm to 95cm, the width of each narrow row ranges from 25cm to 35cm, a drip irrigation zone is paved in the middle of each narrow row. According to the corn planting and cultivating method, due to the fact that the method that the wide rows and the narrow rows are arranged at intervals is adopted, the number of drip lines which are used can be lowered. Modifiers are sprayed in the early period of the field management in the seedling stage to control the plant height and the ear position, and the defect that through a conventional planting method, the corn easily falls over due to the fact that the plant height is large and the ear position is high is overcome. Pesticide is sprayed through a self-propelled high-stalk crop boom sprayer in the middle and later period of management to control pests, the influences of natural disasters on corn growth are reduced, and the influences on productivity caused by a large number of European corn borers, cotton bollworms, aphids, leafhoppers and red spiders appearing after corn jointing are eliminated.

Pest-combating compositions containing pest-control actives are formulated for sustained pest-combating efficacy, utilizing actives fatty acids, undecanone, and / or soy methyl ester in varying combinations. Pest-combating includes both repellency and killing of pests. In specific formulations, the pest-combating composition includes any one, two or three of the active agents soy methyl ester, fatty acid and undecanone. Fatty acids may be unmodified or may be modified by transesterification or methanolysis of the oleochemical or conversion of the fatty acids to alkyl esters. The composition may be constituted as a spray composition, lotion, paste, or other compositional form. Pests that may be usefully combated with such composition include aphids, ants, bed bugs, bees, beetles, centipedes, caterpillars, chiggers, cockroaches, crickets, cutworms, earwigs, fleas, flies, fire ants, gnats, grasshoppers, hookworms, japanese beetles, june bugs, lice, locust, maggots, mealworms, mealybugs, millipedes, mites, mosquitoes, moths, pillbugs, scorpions, silverfish, spiders, stinkbugs, termites, thrips, ticks, wasps, and white flies.

This invention relates to a kind of nitryl methylene ramification, and its preparation method and application. Anthelminthic activity test indicate: this ramification has very high insecticidal activity to thorn-suck type, scrape-suck type gnathite pest, such as aphid, leafhopper, planthoppers, thrips, aleyrodids and resistant strain, also possess prevention and cure action to rice water weevil, acarid cochineal spider, hygiene pest and termite.

The invention discloses an organic yellow peach cultivating method which comprises the steps of garden building, field planting, shaping, fertilizing, crown regulation, flower and fruit management and pest control. According to the method, a large-scale cultivating method with standard management achieved easily is adopted, common diseases such as anthracnose, the bacterial shothole disease, the bleeding disease and leaf curl and diseases caused by aphids, buscks, longicorns and dichocrocis punctiferalis occurring during yellow peach cultivation are reduced, the yield and quality of yellow peaches are improved, and further processing of yellow peach products is facilitated.

cis-Jasmone has been discovered to be useful as a semiochemical that changes the behaviour of insects and / or the physiology of plants. It has direct signalling roles with plant-feeding aphids, in attraction of aphid predators and parasitoids, and may act as an airborne signal inducing production of volatile plant semiochemicals, including the monoterpene (E)-β-ocimene, that stimulate foraging by parasitoids. It is an extremely benign compound having, to human beings, a pleasant aroma and gives a long-lasting effect after removal of the stimulus.

The invention provides a method for artificially feeding ladybirds and / or lacewings. The method comprises the following steps of: (1) incubating lepidoptera insect larvae after lepidoptera insect adults lay eggs, and feeding the lepidoptera insect larvae with feed; (2) feeding ladybird larvae and / or lacewing larvae by using the lepidoptera insect larvae as feed to obtain ladybird adults and / or lacewing adults, wherein the lacewings are selected from one of chrysopa septempunctata and chrysoperla nipponensis; and (3) feeding the ladybird adults and / or chrysopa septempunctata adults by using the lepidoptera insect larvae as the feed, and feeding chrysoperla nipponensis adults by using honey and beer dry yeast powder. Compared with the prior art, the method for feeding the ladybirds and the lacewings in a large scale by using the lepidoptera insect larvae as the feed replaces the conventional method for feeding the ladybirds and the lacewings which are natural enemies of aphids by using the aphids cultured by plants, and the method saves more time and labor, is simpler and more convenient and is easier to operate.

The invention discloses a pesticide composition and application thereof in agriculture. The effective component of the composition comprises flonicamid and neonicotinoid insecticides with a mass ratioof 80:1-1:80. The composition has the advantage of synergetic effect, obviously for resistant pests, reduces the dosage and delays resistance development, and is used for preventing and treating pests with obvious resistance, and is especially suitable for preventing and treating rice planthopper, thrips and aphid with resistance.

The invention relates to the field of plant protection and the insect raising technology, in particular to an orius sauteri raising method adopting drosophila carcinophila as feedstuff. The method changes the traditional method of adopting aphid or frankliniella occidentalis as feedstuff, the defect of the orius sauteri raising caused by the problems of the two kinds of feedstuff per se is changed, the characteristics of short growth period of the drosophila carcinophila and low production environment requirement are utilized, the feedstuff basis is provided for the large-scale raising of theorius sauteri, and in addition, the feeding effect is very excellent.

In the present invention ginkgo leaf, ginkgo epicarp and other parts as raw material are prepared to plant pesticide via drying, crushing, solvent extraction, effective component separation and other steps. The said pesticide is in oil emulsion, water emulsion, microemulsion, wettable powder and other forms. It can be used in killing various pests, including homoptera and lepidoptera pests, such as cotton leafworm, rice stem borer, cabbage moth, plant hopper, etc. and has obvious pesticidal effect, high selectivity, low toxicity, low residue, less drug resistance, etc.

The invention relates to a sugarcane foliar fertilizer formula: the following raw materials are added into a blender according to weight percentage of 10 percent of imidacloprid of concentration of 95 percent, 75 percent of monosultap of concentration of 95 percent and 15 percent of cartap hydrochloride of concentration of 98 percent, the materials are fully blended and added with the same amount of kaolin as filling agent and humectant, the amount of which equals to 2 percent of the raw materials, and the obtained material is ground and evenly stirred; zinc sulfate, borax, manganous sulfate and ammonium molybdate are ground respectively, and are added with, according to the weight percentage, 40 percent of zinc sulfate, 20 percent of manganous sulfate, 36 percent of borax, 3.5 percent of ammonium molybdate and 0.5 percent of gibberellin as growth regulator, then all the materials are evenly blended; the blended pesticide and the blended micronutrient fertilizer are mixed by ratio of 1 to 2, thus forming the fertilizer. The fertilizer is diluted by water by 200 times and sprayed on the plant leaves of the sugarcane. One day after the fertilizer is sprayed, control efficiency of woolly aphids is over 96 percent, and three days later, the control efficiency of woolly aphid reaches 100 percent; meanwhile, the fertilizer is efficient for egg of snout moth's larva and larvae of the sugarcane to some extent, and can reduce dead hearts in fields; after the fertilizer is absorbed by the leaves, the leaves turn green, with yield improved by 15 percent and brix improved by 0.2 percent in the fields.

The invention discloses a method for determining influence of exogenous dsRNA on toxicity of ladybugs. The method comprises the following specific steps: uniformly mixing the exogenous dsRNA into a sucrose solution, directly feeding the ladybugs for 2-3 days and then feeding with pea aphids; then detecting and analyzing the expression changes of target genes in the ladybugs, and observing the biological changes of the ladybugs so as to evaluate the toxicity of the exogenous dsRNA to the ladybugs, wherein the ladybugs include harmonia axyridis, coccinella septempunctata or henosepilachna pusillanima. By the method, direct influence of the exogenous dsRNA on the toxicity of the harmonia axyridis, the coccinella septempunctata or the henosepilachna pusillanima or other ladybugs can be effectively determined; in addition, the method is simple, feasible and high in effectiveness and sensitivity, and has a great significance and an application prospect in study on functions of related genesas well as environmental risk assessment on related RNAi transgenic crops.

The invention provides a technique for cultivating cured tobaccos under a mulching film, which belongs to the technical field of tobacco seedling culture. The invention aims to provide cured tobacco culture and matching techniques under the mulching film, which can effectively prevent aphid-transmitted virus disease, increase production and improve the quality. The cured tobacco culture under the mulching film comprises the following steps of: seedling culture, ridge forming, fertilization, transplantation and management after planting. The technique provided by the invention has the following advantages that: the seedling stage is short, the used land is saved, the operative technical links are simple, and the cost is saved; the invasion of field virus diseases is light; lower tobacco leaves develop well and have high availability; premature flowering is reduced or avoided; effective leaves of tobacco plants are increased, the root system is developed, a double-layer root system is obvious, lodging is prevented, and straws and pieces are opened well; and the yield and quality benefit is obvious improved compared with that of a common tobacco field.

The invention discloses a substituent ether compound which is structurally shown as a general formula (I): the definition of each substituent group refers to an instruction manual. The compound has the broad-spectrum insecticidal activity, is very effective to lepidoptera pests including European corn borers, sugarcane borers, summer fruit tortrix moths, apple budworms, tussock moths, rice leaf rollers, corn borers, tobacco leaf worms, small budworms, cabbage moths, lesser corn worms, cotton leaf worms and the like, particularly has better activity to the cabbage moths and the lesser corn worms and can obtain good effect under the low dosage. The substituent ether compound also has high activity to homoptera pests like aphids and the like. Meanwhile, a part of compound also has good bactericidal activity and can be used for preventing and treating blumeria graminis, cucumber downy mildew, vegetable gray mold and the like.

The present invention relates to a lettuce cultivar having resistance to downy mildew (Bremia lactucae Regel), currant-lettuce aphid (Nasonovia ribis-nigri) and lettuce mosaic virus (LMV), and which has green, deeply-incised, nicely-frilled leaves. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-88 RZ, representative seed having been deposited under NCIMB Accession No. 41615.

The invention relates to a disinsection composition containing a matrine and a neonicotinoid insecticide, and application thereof. The composition mainly uses the matrine and the neonicotinoid insecticide and is prepared by an auxiliary agent and an excipient to form microemulsion, emulsion in water, suspending agent, water dispersible granule, wetting powder and missible oil, wherein the mass percentage of the matrine and the neonicotinoid insecticide is 30:1-1:100. The disinsection composition has higher synergy effect, prevents pests from becoming resistant to drugs, prolongs the service life of pesticides and reduces pesticide residue. The composition can be used for preventing and treating homoptera, lepidoptera, thysanoptera, coleopteran and diptera on crops, particular for rice planthopper, trialeurodes vaporariorum, aphid, tryporyza incertulas, chilo suppressalis, thrips, paddy weevil and gall midge.

The invention discloses an insect-resistant pesticide for vegetables. The insect-resistant pesticide is prepared by taking a folium artemisiae argyi extracting solution, an iris japonica thumb extracting solution, a melia azedarach extracting solution, an euphorbia helioscopia extracting solution, a duranta repens extracting solution, a sweet wormwood extracting solution, white vinegar and pepper spray as raw materials. The insect-resistant pesticide can effectively prevent and kill vegetable worms such as aphids and snails, and enable the vegetables to grow luxuriantly, so as to improve the yield of the vegetables. Meanwhile, the liquid drug residual period of the insect-resistant pesticide is only 8-12 days, thus being non-toxic and harmless to people and livestock. The invention also provides a preparation method of the insect-resistant pesticide. The insect-resistant pesticide disclosed by the invention is remarkable in effect, low in cost, and green and pollution-free, thus having a broad market application prospect.

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 a method for propagating Aphidius gifuensis by pea aphids. The method provided by the invention utilizes two facilities including a seedling culture big shed and a field small shed and takes broad beans and peas as host plants for propagating aphids; the method takes the pea aphids as host aphids for propagating Aphidius gifuensis and then the propagated Aphidius gifuensis are released to a large-scale tobacco field to kill the aphids on tobacco leaves. The method selects the broad bean seeds and the pea seeds and then tender green bean plants are cultivated in a big greenhouse or the small shed built in the fields; the pea aphids are inoculated on the bean plants and then the pea aphids are propagated; then the Aphidius gifuensis is inoculated on the tender bean plants which is propagated with a lot of pea aphids and then the Aphidius gifuensis is propagated. Then a lot of propagated Aphidius gifuensis are released into the large-scale tobacco field to kill theaphids on tobacco leaves. Finally, the aim of biologically preventing and treating aphids is realized and the pesticide pollution caused by preventing the aphids is avoided.

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 discloses a pesticidal composition comprising the active components including spirotetramat and (B) which is any one of abamectin or emamectin benzoate. The mass ratio of the spirotetramat to B is 100:1-1:40. By combining the spirotetramat and the abamectin or the emamectin benzoate, the composition has obvious synergistic effect and is conductive to retarding or overcoming the drugresistance of pests. The composition of the invention can be used for controlling diverse pests on agricultural crops and is especially suitable for controlling the pests such as aphids, whiteflies, thrips, plant lice 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 relates to a green innocuous pesticide and a preparation method thereof. The pesticide is an aqua, and the component weight percentage thereof is as the follows: 8-12 percent of rumex madaio, 7-13 percent of melia japonica, 3-6 percent of redbead vine, 18-24 percent of pepper, 13-16 percent of quisqualis, 4-7 percent of garlic, 2-6 percent of pomegranate rind and 18-22 percent of stemona; the preparation method comprises the following steps of: (1) extracting medicine components: the rumex madaio, the quisqualis, the pepper, the melia japonica, the redbead vine, the garlic, the pomegranate rind and the stemona; (2)filtering the each medicine by a 200-mesh net cage, then mixing and concentrating the each medicine to 250ml; and (3) adding water with the medicine according the proportion of 1:100 when in use. The green innocuous pesticide just needs to be sprayed for 2-3 times in the growth period of the vegetable, then the normal harvest of the vegetable can be ensured; on the fruit tree, the green innocuous pesticide can prevent and cure the aphid problem totally and effectively, also has better control efficiency to the yellow peach grub and the carposinaniponensis, and can treat the termite damage on the root of the peach; and the prevention rate can reach 95 percent.

The invention discloses an overwintering breeding method for aphidiusgifuensis in the northern area. The method comprises the steps of greenhouse building, host plant cultivation, aphid inoculation, aphid breeding, aphidiusgifuensis inoculation, aphidiusgifuensis breeding and aphidiusgifuensis collection and preservation. With the overwintering breeding method, technical problems caused by larger difference of south and northern climate conditions are solved, and industrialization of the biological control technology from laboratory to field application is realized. Host plant cultivation management, aphid species management and aphidiusgifuensis species management methods are adopted in a greenhouse with controllable environmental conditions, provenances of a host plant for breeding the aphidiusgifuensis are guaranteed all the seasons in a year, and aphidiusgifuensis species are ensured to be provided all the seasons in the year; with the method, full year and batch supply of the aphidiusgifuensis can be guaranteed by the aid of aphid inoculation and breeding technologies as well as aphidiusgifuensis inoculation and breeding technologies, the technologies can produce and breed the aphidiusgifuensis continuously and circularly, and the overwintering problem of the aphidiusgifuensis in the northern area is solved.