114 results about "Picloram" patented technology

The invention discloses a separation and culture method using ginseng cambium stem cells. The separation and culture method using ginseng cambium stem cells is characterized by comprising the following steps: (1) firstly performing disinfection treatment on the root tubers with the diameter of 2 cm of northeast ginseng by 0.1% mercury bichloride for 10 minutes, and then transversely cutting the northeast ginseng into semicircular slices with the thickness of 0.2 cm and containing periderms, phloems and cambiums; (2) placing the semicircular slices on a WPM (woody plant medium) containing 0.1-4.0 mg / L of picloram and 0.1-4.0 mg / L of 2,4-dichlorphenoxyacetic acid, and culturing at 25 DEG C in the dark; (3) taking out the obviously-multiplied explants of the cambiums after two weeks, separating the cambium stem cells, transferring the cambium stem cells on a subculture medium and culturing, wherein the subculture medium is a WPM containing 0.1-4.0 mg / L of picloram and 0.1-4.0 mg / L of 2,4-dichlorphenoxyacetic acid, and subculture is performed every two weeks. According to the method, separation and culture for ginseng stem cells are performed by using the unsplit cambium stem cells, and the cambium stem cells are infinitely multiplied, so that production can be effectively expanded.

Disclosed is a culture composition containing micro and macro-ingredients, vitamins and other supplements such as phytagel, sucrose, picloram. The medium is useful in the formation and development of callus lines of Taxus sp., and resulting in production of taxol in high amounts.

The invention provides a herbicide combination, containing the effective constituents of picloram or picloram ester, clopyralid or clopyralid ester and as well as one or more varieties of triketone; the weight ratio of the three constituents is 0.1:1:20-20:1:0.1. The combination contains at least one surfactant. The combination can be used to prepare emulsifiable solution, liquor, thick emulsion, microemulsion, wettable powder, water suspending agent, oil suspending agent, water-dispersible granules, soluble powder or granules, and is used to prevent and control Gramineae and broad-leaved weeds which have grown for one year or more than one year in the corn field.

The invention relates to a cultivation and separation method for taxus stem cells. The method comprises the steps of sterilizing annual epicormic branches of taxus cuspidate, with the diameter of 1 centimeter, for 10 minutes by using 0.1% mercury chloride; cutting off explants including periderm, phloem and cambium from the epicormic branches, cutting into slices; putting the slices on a B5 medium containing 0.2-2.0 mg.L<-1> picloram and 0.2-1.5 mg.L<-1> naphthalene acetic acid, culturing in the dark at a temperature of 25 DEG C; taking the explants with obvious cambium proliferation out after two weeks; separating cambium stem cells and transferring the stem cells to a subculture medium for culture, wherein the subculture medium is a B5 medium containing 0.2-2.0 mg.L<-1> picloram and 0.2-1.5 mg.L<-1> naphthalene acetic acid; and sub-culturing one time every two weeks. A mass of stem cells can be obtained in a short time. The stem cells cultured by the method are cells in an undifferentiated state which have the capacity of infinite division and can obtain a mass of the stem cells, so that a great amount of paclitaxel can be produced, thereby meeting the needs of patients.

A synergistic herbicidal pesticide composite consists active ingredients and auxiliary ingredients acceptable in pesticide, wherein the active ingredients are flufenacet and picloram of which weight ratio is (160-2):1. The combination of the two active ingredients in the composite generates synergy; and the composite is especially suitable for the weeding of the rape field, the wheat field and the corn field, and can prevent and control various latifoliate weeds; the herbicidal spectrum is expended, the herbicidal effect is improved effectively, the cost is reduced and the safety to crops is improved.

A composite herbicide with broad spectrum and high synergistic action for the rape field contains picloram derivative and one or more aryloxyphenyloxy propionates in the weight ratio of (0.1-100) : (100-0.1).

The invention discloses a Cinnamonum kanehirae Hayata somatic embryo culture medium, which contains MS as a basic culture medium or MS salts and MT vitamin, and also contains growth regulators such as BA, Picloram, ABA and NAA, 170mg / L sodium dihydrogen phosphate monohydrate,30mg / L adenine sulfate, 0.5g / L caseinhydrolysate, 1.2 percent agaragar, and 3 percent saccharose, wherein three culture media for somatic embryogenesis, somatic embryo proliferation and embryo differentiation, and embryo rooting are prepared respectively. The tissue culture and rapid propagation method of Cinnamonum kanehirae Hayata by using the culture media comprises the following four steps: 1. the acquisition and disinfection of an explant; 2. the induction of a somatic embryo; 3. the somatic embryo proliferation and embryo differentiation; and 4. root induction and transplanting. The invention initially creates a complete set of method for Cinnamonum kanehirae Hayata somatic embryos to reproduce seedlings, saves the endangered species resource, lays a foundation for further exploring the gene engineering of somatic embryos, broadening explant materials and so on, and provides adequate wood for the mass production of Antrodia camphorata with extremely high economic value.

The invention provides and discloses a formula, a processing method and an application method of a herbicidal composition for prevention and control of malignant invasive alien plant Mikania micrantha. The chemical structural general formulas of the effective components of the composition are shown as the following. Specifically, the composition is composed of A, which is one of 2, 4-D acid, 2, 4-D sodium salt, 2, 4-D ethanolamine salt, 2, 4-D isopropylamine salt, as well as 2, 4-D butyl ester, and B, which is one of clopyralid, clopyralid sodium, clopyralidammonium, a clopyralid isopropylamine salt, as well as clopyralid butyl ester, or the composition is composed of A, which is one of 2, 4-D sodium salt, 2, 4-D ethanolamine salt, 2, 4-D isopropylamine salt, as well as 2, 4-D butyl ester, and C, which is one of picloram, a picloram sodium salt, a picloram ethanolamine salt, a picloram isopropylamine salt, as well as picloram butyl ester.

The invention discloses inactivating chemical for eucalyptus stumps and a using technology. The inactivating chemical for the eucalyptus stumps comprises a component A and a component B, wherein the component A comprises, by weight, 5-10 parts of hexazinone and 5-10 parts of oxyfluorfen; the component B comprises, by weight, 35-45 parts of trichlopyr, 10-25 parts of picloram and 10-25 parts of sulfometuron methyl. The using technology includes the steps of stump treatment and chemical using. The inactivating chemical for the eucalyptus stumps can be used for effectively preventing water and soil loss, improving soil fertility and the soil structure and improving the productivity of forest land.

The invention discloses an immuno-sensor for detecting picloram in compost and a manufacturing method and a using method thereof. The immuno-sensor comprises a carbon paste electrode and a picloram antibody -Fe3O4 magnetic nanoparticle crosslinking body coated on the surface of the carbon paste electrode. By utilizing the enzyme-linked immune technology and an electrochemical analysis mean, a linear regression equation of current change and the content of the picloram is established, and then the content of the picloram in the compost is rapidly and sensitively detected according to the regression equation. The method of the invention is applied to the detection of the content of the picloram in the compost and has the advantages of rapid and simple operation, rapid response, and good selectivity, etc. Furthermore, the method is a rapid picloram detection technology with low cost which can be applied to a control system of municipal solid waste compost.

The invention provides a selective conversion method of waste residue of picloram production. According to the method, waste residue of picloram production or secondary residue generated from purification are taken as a raw material; through selection of special reaction reagents and condition, high-value picloram in waste residue can be furthest reserved; a non-effectively used component in waste residue is completely converted; and finally a mixture of picloram and tetrachloropicolinic acid is obtained. The mixture can be recyclably used to preparation technology of picloram, and an efficient circulation of raw materials, products, waste residue, raw materials, and products is completed. Atom economy of a chemical reaction and resource utilization of substances are achieved, and damage to the environment by the waste residue is prevented. The method has great economic benefit and environmental benefit.

The invention discloses a herbicide composition; the herbicide composition comprises clethodim, clopyralid and picloram; with respect to 1 weight part of clethodim, the content of the clopyralid accounts for 0.01 to 50 parts by weight, and the content of the picloram accounts for 0.001 to 15 parts by weight. The invention further provides the usage of the herbicide composition in preventing and removing weeds in fields of crops.Through the adoption of the technical scheme, the effects of the clethodim, the clopyralid and the picloram in the herbicide composition can be effectively increased, so that the efficacy of the herbicide composition is improved.

A composite herbicide for rape field contains picloram (0.1-99 Wt%), benazolin-ethyl (0.1-99 Wt%) and assistant (rest).

The invention discloses a herbicidal compound containing 2,4-D and picloram, which comprises raw medicines and an auxiliary material, wherein the raw medicines include the 2,4-D and the picloram. The invention further comprises a preparation method and an application of the herbicidal compound. The herbicidal compound can be used for preventing and curing weeds in wheat field and corn field, has a wide weeding spectrum, remarkably improves drug effect, lowers use quantity, saves economic cost, greatly reduces the use quantity of each type of active material, particularly reduces the use quantity of the picloram so as to decrease the residual herbicidal compound in the environment, and has important bionomics and environment protection significance.

The present invention discloses a pesticide composition containing picloram or picloram salt, and application of the pesticide composition containing the picloram or the picloram salt. The pesticide composition comprises effective ingredients of a component I and a composition II, wherein the component I is the picloram or the picloram salt; the composition II comprises tribenuron-methyl, bensulfuron methyl, thifensulfuron methyl, bispyribac-sodium or thiencarbazone-methyl; the mass ratio of the component I to the composition II is (1:50)-(25:1). The present invention also discloses a preparation prepared from the pesticide composition and suitable for being used in agriculture, and application of the preparation in preventing and killing of broadleaf weeds in wheat fields. The pesticide composition containing the picloram or the picloram salt has an obvious synergistic effect, reduces use amount of pesticides, the use times of the pesticides, the use cost of the pesticides, and adverse effects of the pesticides on ecological environments, enlarges weeding range, can solve a problem of various broadleaf weeds by one-time pesticide applying, makes up for defects and limitation caused by use of single agents, prolongs the service life of agents, and has important significance on comprehensive treatment of weed resistance; and the pesticide composition is fast in effect acting, long in effect period, and low in use cost, and has wide development and popularization prospects.

The invention belongs to the technical field of production waste residue recycling and discloses a method for separating and purifying high-content picloram from picloram production waste residues. The method comprises the steps of firstly, adding water to dissolve picloram production waste residues, then, starting to circularly filter when heating to 80-90 DEG C, and stopping filtering when the temperature is lower than 40 DEG C to obtain filtrate I; transferring the filtrate I to an acidification kettle, adding an acid to acidify when heating the material to 60-90 DEG C, controlling the pH value of a feed liquid not to be higher than 2, and then, filtering while heating at the temperature of not lower than 60 DEG C to obtain a filter cake; and rinsing the filter cake with water to obtain higher than 95% of picloram. By using the method, most of picloram in the production waste residues is effectively separated and is up to the standard of a qualified product, meanwhile, all isomerides can be recycled after being primarily separated and subjected to a series of chemical synthesis treatment, and therefore, the aims of clean production and environment friendliness are achieved.

The invention belongs to the field of pesticides, and discloses a herbicidal composition containing diflufenzopyr and picloram and application thereof. The herbicidal composition comprises the diflufenzopyr and the picloram serving as main active ingredients, the diflufenzopyr and the picloram account for 1 to 85 percent of the total mass of the herbicidal composition, and a mass ratio of the diflufenzopyr to the picloram is 1-80:1-80. The herbicidal composition can be applied to preparation of herbicides for controlling postemergence weeds in corn fields, and particularly has obvious effects when used for preparing herbicides for controlling gramineous weeds and broadleaf weeds in the corn fields. Compared with single-component herbicides, the herbicidal composition reduces dosage, delays the weed resistance, has broad herbicidal spectrums and acts for a long time on the premise of improving herbicide effect, and is safe for corns and afterculture crops.

The invention provides a method for mass propagation of lycoris aurea through somatic embryogenesis. The lycoris aurea tissue culture method for scale production and propagation so as to meet the market demand comprises the steps of A, explant disinfection, B, adventitious bud induction, C, callus induction, D, callus propagation, E callus redifferentiation, F, rooting culture, and H, seedling exercising and transplanting. According to the method, herbicide picloram is applied to tissue culture of lycoris aurea for the first time, stable lycoris aurea tissues capable of being propagated on a large scale are obtained, the callus induction rate reaches 95% or above, and the propagation coefficient of the lycoris aurea is at least increased by 8-10 times. The production cost is reduced, furthermore, the whole fine properties of a parent body can be preserved, and the inheritable character is stable. Through the method, a large number of excellent test-tube seedlings can be formed within a short period of time, large-scale industrialized production is conducted, and a lot of raw materials are provided for ornamental horticulture, pharmacy and other industries as well as the follow-up study of the lycoris aurea.

The invention provides a composition for preventing and controlling local harmful vines. The composition is prepared from picloram, 2,4-dichlorphenoxyacetic acid, bentazone and sulfometuron, wherein the mass ratio of the picloram to the 2,4-dichlorphenoxyacetic acid to the bentazone to the sulfometuron is (20-30) to (2-5) to (0.5-2) to (0.5-1), and the mass percent after combination is 24-30% of the total mass of the composition. The composition is further prepared from a cosolvent, the cosolvent is prepared from alkylbenzene sulfonate, a dispersing agent and a thickening agent, the mass ratioof which is 1 to 1 to (2-1) to 1 to 4, the mass percent after combination is 2-6% of the total mass of the composition. According to the composition, various raw materials have complementary advantages and synergistic effects, the effectiveness of killing the local harmful vines is remarkable, the dosage is low during use, the phytotoxicity caused to trees and shrubs is small, the pollution to soil is small, and the ecological safety is high. The invention further provides application of the composition for preventing and controlling the local harmful vines.

The invention relates to a medicinal plant weeding composition, which is characterized in that clopyralid, picloram or aminopyralid and benazolin are used as main active components; and weight ratio of clopyralid to picloram or aminopyralid to benazolin is 1-50:1-50:1-50. The weeding composition is used for treatment of postemergence stem leaf in oilseed rape fields and / or medicinal plant fields, is applied in prevention and removal of field weeds, and has a remarkable synergistic effect.

The invention discloses a mixed herbicide containing picloram and flazasulfuron, and belongs to the technical field of pesticides. The herbicide is prepared from picloram and flazasulfuron in a mass ratio of (0.1-80): (0.1-80) as main effective ingredients. The mixed herbicide has the advantages of quick response, wide herbicide controlling spectrum, long duration, complete weed control, low residue, low toxicity, safety, environmental friendliness and the like when applied to weeding of bare places, orchards, forest lands, pastures, lawns and corn fields, and is a high-quality chemical herbicide for bare places, orchards, forest lands, pastures, lawns and corn fields.

The invention discloses a pharmaceutical weeding composition and a preparation thereof. The pharmaceutical weeding composition comprises the following effective constituents in parts by weight: 10-150 parts of picloram, 300-700 parts of glyphosate and 1-100 parts of carfentrazone. The dosage forms of the pharmaceutical weeding composition are wettable powder, soluble powder, soluble granules, water dispersible granules and microemulsion. The pharmaceutical weeding composition has the advantages that the compounded composition has an obvious synergistic effect, the weeding speed is increased, the herbicide controlling spectrum is expanded, and the dosage and use frequency of herbicides are remarkably reduced. The pharmaceutical weeding composition is suitable for preventing and treating annual and perennial weeds such as cogongrass, bermuda grass, crab grass, diranopteris dichotoma and railway beggarticks herb.

The invention discloses a method for obtaining an African daisy regeneration plant through inducing a somatic embryo. The method comprises the steps that an African daisy receptacle serving as an explant material is cultured in a somatic embryo inducing culture medium containing 6-benayl aminopurine, kinetin, thidiazuron, naphthylacetic acid, picloram and casein hydrolysate; the somatic embryo is induced; after the somatic embryo germinates, the somatic embryo is subjected to successive transfer culture in a differential medium; and the regeneration plant is obtained. According to the method, the African daisy receptacle serves as an explant, and the regeneration plant is obtained through a somatic embryo approach without a callus stage, so that a situation that explant is mutated due to dedifferentiation inducing callus regeneration can be avoided. By utilizing the method to perform African daisy tissue culture for seedlings, the culture procedure is simplified, the culture cycle is shortened, the quality of the seedlings is improved, and base materials are provided for a large number of high-quality seedlings by in-vitro propagation of African daisy and transgenic research.

The invention discloses a synergistic herbicidal composition containing triclopyr and picloram and use thereof. The herbicidal composition mainly contains triclopyr and picloram, wherein the mass ratio of triclopyr to picloram is 1-50:1-50. The synergistic herbicidal composition of the invention can be used for preparing herbicides for killing weeds in forest lands or uncultivated areas. Compared with single preparations, the herbicidal composition, on the premise of improving herbicide effect, has a broad herbicidal spectrum, acts for a long time, is safe for woods and afterculture crops, and particularly has an obvious effect of controlling undershrubs and broadleaf weeds in forest lands or uncultivated areas.

The invention discloses a synergistic herbicidal composition containing picloram and bromoxynil and application thereof. In the herbicidal composition, the picloram and the bromoxynil serve as main active ingredients, and the mass ratio of the picloram to the bromoxynil is 1-80:1-80. The synergistic herbicidal composition can be applied to preparation of post-emergence herbicides for a wheat field, particularly preparation of herbicides for controlling broadleaf weeds in the wheat field. Compared with a single-component herbicide, the herbicidal composition delays resistance of weeds, has broad herbicidal spectrum and acts for a long time on the premise of improving herbicide effect, and is safe for wheat and afterculture crops.

The invention discloses a mixed herbicide containing glufosinate ammonium, picloram and triklopir. Glufosinate ammonium, picloram and triklopir are effective components; a mass ratio of glufosinate ammonium to picloram to triklopir is (5-50) to (5-50) to (10-20). The mixed herbicide can be used for weeding woodlands or non-cultivated lands, especially has remarkable effect in application of prevention and removal of undershrub, gramineous weeds and broadleaf weeds planted in woodlands or non-cultivated lands. Compared with a single preparation, the herbicide is capable of improving weed resistance under the condition that the herbicide effect is improved, and is wide in herbicide spectrum and long in preserving effect period.

The invention discloses a mixed herbicide containing picloram and metamifop, and belongs to the technical field of pesticides. The herbicide is prepared from picloram and metamifop in a mass ratio of (0.1-80): (0.1-80) as main effective ingredients. The mixed herbicide has the advantages of quick response, wide herbicide controlling spectrum, long duration, complete weed control, low residue, low toxicity, safety, environmental friendliness and the like when applied to weeding of bare places, orchards, forest lands, paddy fields and wheat paddocks, and is a high-quality chemical herbicide for bare places, orchards, forest lands, paddy fields and wheat paddocks.

The invention relates to a pesticide composition for inhibiting catkin. The pesticide composition is prepared from the following components: picloram, naphthylacetamide, genistein, a wetting dispersant, a thickener, a rheological agent, an anti-freezing agent and water. The willow inflorescence removing method has the beneficial effects that the willow inflorescence removing rate is remarkably increased, and meanwhile damage to tender leaves is extremely small; toxicity is low, safety is achieved, no pollution is caused to the environment, and cost is low; the drug action time is long, and supplementary application is not needed in a short time.

A compound pesticide composition containing picloram or salts thereof is disclosed. Effective components of the composition are a component I and a component II. The component I is the picloram or the salts thereof. The component II is one of flumetsulam, pyribenzoxim, carfentrazone-ethyl, topramezone, florasulam, flucarbazone, clodinafop-propargyl or metamifop. The weight ratio of the component I to the component II is 60:1-1:60. A preparation prepared from the composition and suitable for use in agriculture, and applications of the preparation in weed control are disclosed. The composition has obvious synergistic effects, achieves control of broadleaved weeds and annual grassy weeds, reduces the pesticide using amount, relieves pesticide burden of farmers, reduces pollution to the environment, and has a wide development and popularization prospect.