34 results about "Amaranthus deflexus" patented technology

The invention discloses a detoxifying, beautifying, health-maintenance and health-care tea, which is prepared from the following raw materials in parts by weight: 2-3 parts of globeflower, 2-4 parts of rhodiola rosea, 3-5 parts of fresh mint, 1-2 parts of centella asiatica, 7-8 parts of red bean paste, 7-10 parts of red amaranthus deflexus, 4-6 parts of royal jelly powder, 8-10 parts of kelp, 7-9 parts of konjak, 5-7 parts of dried sea shrimp, 6-8 parts of pinenut, 6-8 parts of aloe ointment, 12-13 parts of lichee, 9-11 parts of cucumber, 5-7 parts of pearl powder, 6-8 parts of Yogurt, 8-10 parts of apple vinegar, 8-10 parts of galanga juice, 2-4 parts of sweet potato leaves, 14-16 parts of nutritious additive liquid and appropriate amount of water. The health-care tea disclosed in the invention contains the Chinese herbal medicine materials such as the rhodiola rosea, the fresh mint, so that the effects of tonifying qi, clearing lung, benefiting intelligence, nourishing heat and beautifying face are achieved; in addition, vegetable and fruit materials such as the apple vinegar, the red bean paste, the pearl powder, red amaranthus deflexus which are rich in amino acids and various mineral substances required by a human body are included, so that the effects of reducing blood fat, expelling toxin, beautifying face and protecting health are also achieved. The immunity of the human body can be improved when the health-care tea is drunk for a long period.

The invention relates to a herbicidal combination containing flumetsulam. The herbicidal combination is characterized in that: the active ingredients of the herbicidal combination are component A and component B; the component A is the flumetsulam; and the component B is chosen from one or more of the following compounds: acetochlor, butachlor, alachlor, propisochlor, metolachlor, s-metolachlor, propachlor, ethachlor, napropamide, diphenamide, ethaprochlor, dimethenamid, high-effective dimethenamid, flufenacet, metazachlor, allidochlor, pethoxamid, prynachlor and propyzamide. The herbicidal combination can effectively decrease the dosage of the active ingredients per mu, broaden the weed control spectrum of each single agent and effectively control annual or perennial gramineous, broadleaf and cyperaceous weeds in the fields of peanut, soybean, rape, cotton, wheat, potato and other crops, such as green bristlegrass, crabgrass, barnyard grass, Asian sprangletop, speedwell, cocklebur, night shade, redroot amaranth, goosefoot, Indian mallow, cleavers and datura.

The invention discloses a method for planting suaeda salsa at a medium-low-cadmium saline-alkaline land and for extracting plant salt. The method comprises the steps of saline-alkaline land selection, saline-alkaline land improvement, soil cadmium adsorption treatment, and plant salt extraction. According to the soil cadmium adsorption treatment step, amaranthus retroflexus and elymus dahuricus are inter-planted and used for adsorbing cadmium in soil, wherein a preferable inter-planting ratio of amaranthus retroflexus and elymus dahuricus is 4:1, and a planting density is preferably 10*40cm. In the plant salt provided by the invention, cadmium content is reduced to 0.002mg / kg, sodium chloride content is 39%, potassium chloride content is 12%, Mg content is 4%, Ca content is 8%, and Fe content is 750mg / kg. With the method, a problem of excessively high cadmium content in plant salt extracted from suaeda salsa planted in the medium-low-cadmium saline-alkaline land is effectively solved.

The invention relates to insect feed and a feeding technique, in particular to artificial feed for Athelis lepigone larvae, a preparation method for the artificial feed and a simplified feeding method using the feed. The artificial feed has the advantages that the formula components and the content are reasonable, the nutrient substances are comprehensive, Amaranthus retroflexus leaf powder is used for artificial insect feeding for the first time, the nutrient conditions required by Athelis lepigone to smoothly develop and complete the entire generation can be fully satisfied, and the indexessuch as development speed and survival rate of the larvae, pupa weight and egg laying amount of imagoes can be obviously improved.

The invention relates to the technical field of fusarium strains, and in particular relates to a chlamydospore fusarium strain ZC201301. The preservation number of the chlamydospore fusarium strain is CGMCC No.9562. The chlamydospore fusarium strain is separated from leaves of natural pathogenetic digitaria sanguinalis in the field and is strong and quick in pathogenicity to the digitaria sanguinalis; an indoor experiment shows that spores of the strain disclosed by the invention are sprayed to the leaves of the digitaria sanguinalis; after two days, spots appear on the digitaria sanguinalis, and part of the digitaria sanguinalis is withered; after 14 days, the fresh weight suppression rate to the digitaria sanguinalis is 91 percent. The chlamydospore fusarium strain ZC201301 which is a fungus strain has a certain biological prevention effect on grasses such as amaranthus retroflexu and fagopyrin and is safe to crops such as soybeans, corns and wheat.

The invention belongs to the technical field of herbicides, and discloses an aspergillus tubingensis L-27 strain of which a fermentation broth has herbicidal activity, the fermentation broth and an herbicide which are prepared from the strain, and an enrichment method and an identification method of herbicidal active components in the aspergillus tubingensis L-27 strain fermentation broth. By screening herbicidal activities of fermentation broths of 30 soil fungus strains, phenomena are found that inhibition rates of the aspergillus tubingensis L-27 strain fermentation broth on roots and stemsof amaranthus retroflexus, descurainia sophia and portulaca oleracea reach 100%; and regarding pharbitis purpurea, only stems grow weakly, and an inhibition rate still reaches 77.8%. A weak-base anion-exchange resin D301 is screened out to serve as an enrichment resin of the herbicidal active components, and after adsorption, growth inhibition rates of a residual liquid on roots and stems of wheat are only 1% and 7% respectively; and finally, a 100% ethanol solution of 0.1 mol / L HCL is determined to serve as a desorption agent of the active components enriched by the D301 resin. The herbicidal activity of the fermentation broth of the L-27 strain has potential development value.

The invention provides a weed suppressing fungus screened from seaweeds and an extract and application thereof and belongs to the field of fungal extracts. The weed suppressing fungus screened from the seaweeds has weeding activity, can be applied to plowland as a highly-potent herbicide and particularly has high weeding activity to seeds, stems and leaves of dicotyledonous weeds represented by Amaranthus retroflexus. The weed suppressing fungus screened from the seaweeds is Aspergillus versicolor D5, is collected in CGMCC and has a collection number of CGMCC 15386.

The invention relates to application of beta-eudesmol in preparation of herbicides. Beta-eudesmol is prepared into a low-concentration aqueous solution with distilled water, amaranthus retroflexus andbluegrass seeds are cultured in a culture dish, and results show that beta-eudesmol significantly inhibits growth of amaranthus retroflexus and bluegrass. In a field experiment, beta-eudesmol is selected to prepare an aqueous solution with distilled water, the aqueous solution is sprayed to wild amaranthus retroflexus and bluegrass seedlings, and the result shows that the amaranthus retroflexus and bluegrass seedlings sprayed with beta-eudesmol wither and gradually die after one day, which indicates that beta-eudesmol can effectively kill weeds amaranthus retroflexus and bluegrass. Beta-eudesmol exists in various plants as a natural product, can be extracted from various plants, can be obtained in quantity in a chemical synthesis manner, can be degraded in nature, is non-toxic and harmless, and is low in dosage and strong in effect if being used as a herbicide, so that the compound has the potential of being developed into an environment-friendly commercial herbicide.

The invention discloses an oat field weeding composition containing thifensulfuron-methyl and preparation and application methods thereof. Active components of the composition comprise 2-methyl-4-chlorophenoxyacetic acid, bromoxynil and the thifensulfuron-methyl; the mass ratio of the 2-methyl-4-chlorophenoxyacetic acid to the bromoxynil to the thifensulfuron-methyl is equal to (1 to 3) to (1 to 3) to (0.1 to 0.3). The weeding composition disclosed by the invention is dissolved into water in a utilization process and is sprayed on stems and leaves at a 3 to 4 leaf period of oat seedlings; theweeding composition can be used for effectively preventing and controlling broadleaf weeds of an oat field, such as chenopodiaceae and amaranthus retroflexus. The weeding composition provided by the invention has the characteristics of strong selectivity, high prevention effect, good safety and few residues.

The invention discloses pantala flavescens larva intestinal tract endophytic fungus Curvularia crepinii and an application thereof. The pantala flavescens larva intestinal tract endophytic fungus Curvularia crepinii QTYC-1 fermentation liquor can significantly inhibit the growth of radicles of barnyard grass and amaranthus retroflexus; the maximum inhibition rate is up to 95.0% and 90.1% respectively; and the damage rate of barnyard grass seedlings sprayed with the fermentation liquor reaches 71.1%. Ethyl acetate extract of the fermentation liquor has very good inhibition effect on radicles of barnyard grass and amaranthus retroflexus; at a concentration of 100 [mu]g / mL, the inhibition activities of the crude extract on barnyard grass and amaranthus retroflexus are 56.8% and 71.2% respectively; at the above concentration, the extract has very good safety for common crops; the inhibition rate is less than 35%, which is comparable to the activity of a positive control of cycloheximide; a very good candidate drug is provided for the development of new herbicides and antibiotic drugs.

The invention provides a compound and a weeding composition, and application thereof. The compound comprises a compound as shown in a general formula (I), N-oxide of the compound as shown in the general formula (I) and salt of the compound as shown in the general formula (I). The compound or the weeding composition disclosed by the invention has broad-spectrum weeding activity, has a good control effect on barnyard grass, green bristlegrass, digitaria sanguinalis, amaranthus retroflexus and the like, and can be used for wheat, soybeans, rice, corn, orchards, uncultivated areas and the like to control various malignant weeds.

The invention provides a weed killer containing cordate houttuynia extract. The weed killer comprises the following raw material components in percentages by weight: 4% to 8% of propisochlor, 3% to 7% of cordate houttuynia extract, 2% to 6% of dimethomorph, 4% to 7% of difenoconazole, 3% to 6% of propiconazole, 1% to 4% of Azoxystrobin, 10% to 16% of solvent, 2% to 5% of emulsifying agent, 1% to 4% of diffusion wetting agent, 0.1% to 0.6% of defoamer, 0.2% to 0.7% of anti-sludging agent, 1% to 3% of anti-freezing agent and the balance of water. The invention also provides application of the weed killer in saline-alkali soil corn planting. The weed killer has the beneficial effects that the control effects of common weeds such as field bindweed, amaranthus retroflexus, setaria glauca, Chloris virgata and wheat grass in saline-alkali soil corn fields reach 96.4% to 99.3%, 95.3% to 98.9%, 96.1% to 99.5%, 95.3% to 98.9% and 96.1% to 99.6% respectively 30 days later after application.

The invention discloses an application of pseudomonas fluorescens in prevention and removal of dicotyledonous weeds and powdery mildew, wherein the Latin name of the pseudomonas fluorescens is Pseudomonas fluorescens, the strain number of the pseudomonas fluorescens is CZ, and the preservation number of the pseudomonas fluorescens in the China General Microbiological Culture Collection Center is CGMCC No: 4118. According to the invention, the bacterial fermentation supernatant and the ethyl acetate crude extract of the pseudomonas fluorescens have an inhibition effect on seed germination and seedling stem and leaf growth of dicotyledonous weeds, and have a prevention and treatment effect on tobacco powdery mildew; the bacterial agent prepared from a CZ strain can effectively inhibit seed germination and seedling growth of dicotyledonous weeds and prevent and treat powdery mildew; and compared with a traditional pesticide, the bacterial agent of the invention has the advantages that thecontrol effect on dicotyledonous weeds, especially amaranthus retroflexus, can reach 90% or above, the control effect on tobacco powdery mildew can reach 86% or above, and the bacterial agent is lowin use cost, environmentally-friendly and safe.

The invention discloses the use of a compound dehydrorhizotoxin, which is isolated and extracted from secondary metabolites of Curvularia sp., including the steps of fermentation of strains, extraction of secondary metabolites and separation and purification Complete, the purposes of the compound dehydroradicin in the preparation of herbicides, the compound dehydroradicin (Dehydroradicin) obtained by the present invention as a herbicide, in use, that is, when the concentration is 100 μg / mL, to Five common wild weeds that are difficult to eradicate with general herbicides, Amaranthus retroflexus, alfalfa, bluegrass, barnyardgrass, and the invasive plant Cocklebur sativa significantly inhibit the growth of seedlings, and they are prepared at different concentrations at the same time. Mixed with other pesticides, it is widely used in the development of various herbicides, and has great potential commercial application value.

The invention relates to an Amaranthus retroflexus agglutinin (ARA) gene derived from Amaranthusr etroflexus L. and the gene sequence of gene sequence-Bt of Bacillus thuringiensis (Bt) parasporal crystal protein, wherein, both genes are built into the same plant expression vector; moreover, the plant expression vector of divalent insect-resistant gene is transferred to plant. In addition, the invention provides the method for obtaining transgenic plant of the genes.

The invention discloses an application of pseudomonas fluorescens in prevention and removal of dicotyledonous weeds and powdery mildew, wherein the Latin name of the pseudomonas fluorescens is Pseudomonas fluorescens, the strain number of the pseudomonas fluorescens is CZ, and the preservation number of the pseudomonas fluorescens in the China General Microbiological Culture Collection Center is CGMCC No: 4118. According to the invention, the bacterial fermentation supernatant and the ethyl acetate crude extract of the pseudomonas fluorescens have an inhibition effect on seed germination and seedling stem and leaf growth of dicotyledonous weeds, and have a prevention and treatment effect on tobacco powdery mildew; the bacterial agent prepared from a CZ strain can effectively inhibit seed germination and seedling growth of dicotyledonous weeds and prevent and treat powdery mildew; and compared with a traditional pesticide, the bacterial agent of the invention has the advantages that thecontrol effect on dicotyledonous weeds, especially amaranthus retroflexus, can reach 90% or above, the control effect on tobacco powdery mildew can reach 86% or above, and the bacterial agent is lowin use cost, environmentally-friendly and safe.

The invention discloses a ternary weeding composition containing topramezone. Effective active ingredients of the weeding composition consist of a first active ingredient topramezone, a second activeingredient flufenacet and a third active ingredient mesotrione. Topramezone accounts for 1%-30% of the weight of the composition, flufenacet accounts for 5%-50% of the weight of the composition, and mesotrione accounts for 1%-20% of the weight of the composition. The ternary weeding composition has reasonable components, the weeding effect on gramineous weeds such as barnyard grass, crab grass andeleusine indica in a corn field and broadleaf weeds such as commelina communis, chenopodium glaucum, piemarker and amaranthus retroflexus is good, the activity and the weeding effect of the weeding composition are not simple superposition of the activity of each component, and compared with the existing single preparation or binary compound preparation, the weeding composition has the advantagesof remarkable weeding effect, remarkable synergistic effect, reduced dosage, enlarged weed control spectrum and high safety to crops.

The invention belongs to the technical field of herbicides, and relates to a fusarisetin herbicide derived from a marine fungus, a preparation method and an application. Two fusarisetin compounds fusarisetins C and fusarisetins D with novel structures are isolated and identified from the marine fungus Fusarisetin, wherein fusarisetin D is the first fusarisetin compound with 6 / 6 decahydronaphthalene and 5 / 5 bicyclic chimerism; at the same time, new compounds and known compounds fusarisetins A and fusarisetins B were found to have herbicidal activity on dicotyledonous plants such as Amaranth retroflexus; The seed germination and rhizome growth of dicotyledonous plants such as amaranth have obvious inhibitory effect, and for transplanted crops, it has no obvious toxic and side effects on seedlings.

The invention relates to a method for preventing and treating undesirable plants in cotton fields. A weeding composition containing pendimethalin and oxyfluorfen is applied to the undesirable plants or growth fields of the undesirable plants, so that germination or growth of the undesirable plants in cotton field crops is prevented and controlled. The undesirable plants are malignant weeds such asSolanum nigrum L., Convolvulus arvensis L., Cyperus rotundus L., Echinochloa crusgalli (L.) Beauv., Setaria viridis, Chenopodium album L. and Amaranthus retroflexus L. in the cotton fields, and the weight ratio of pendimethalin to oxyfluorfen is (1: 1)-(10: 1).

The invention discloses a molecular specificity labeled primer for mutual discrimination of Amaranthus albus L., Amaranthus blitum L. and Amaranthus retroflexus L., and a method, and belongs to the technical field of biology. According to matK gene sequences of the Amaranthus albus L., the Amaranthus blitum L. and the Amaranthus retroflexus L., upstream specific forward primers AalF: 5'-TTTCAAAAAGGAATCGAAGATAA-3', AblF: 5'-CGAATCCATTTTTACGGAAACA-3' and AreF: 5'-GGGACTCAATTCTTCAGTAATACCA-3', and a downstream universal reverse primer matKR: 5'-AATAATGAGAAAGATTTCGGCAT-3' are designed. The specific primers are used for respectively building a multiplex PCR system and a fluorescent quantitative PCR system, and the fast and accurate mutual qualitative and quantitative discrimination among the Amaranthus albus L., the Amaranthus blitum L. and the Amaranthus retroflexus L. is realized.

The present invention relates to a [1,2,4]triazolo[4,3-alpha]pyridine-3(2H)-one derivative represented by a formula (I), a preparation method and applications thereof, particularly a preparation method of the compound and applications of the compound in prevention and control of echinochloa crusgalli, setaria viridis (l.) beauv, poa annua, brassica juncea, abutilon theophrasti medicus, amaranthus retroflexus l and chenopodium serotinum l, wherein R in the formula (I) is benzyl, 4-chlorobenzyl, 4-methoxybenzyl, 3-chlorobenzyl, 2-fluorobenzyl, 4-bromobenzyl, 4-(tert-butyl)benzyl, 4-nitrile benzyl, acetonitrile, propyl, undecyl, butyl or allyl. The compound of the present invention is the new compound having weeding activity and provides foundation for research and development of new pesticides.

The invention discloses a method for extracting a compound axillarin from xanthium italicum and an application of the compound axillarin. The method comprises the following steps of crushing fruits ofthe xanthium italicum in a mature period, soaking the crushed fruits in ethanol for crude extraction, performing degreasing with petroleum ether, performing extracting with trichloromethane, performing purifying with a silica gel column, and performing purifying with a Sephadex LH-20 column to obtain the axillarin. The obtained axillarin is used as a herbicide for trial use in three tested plants, namely monocotyledonous plants such as bluegrass and pennisetum alopecuroides, and dicotyledonous plants such as amaranthus retroflexus; results show that seedling growth of the monocotyledonous plants such as the bluegrass and the pennisetum alopecuroides and the dicotyledonous plants such as the amaranthus retroflexus is significantly inhibited; and the root length inhibition rate of the amaranthus retroflexus reaches 97%, the root length inhibition rate of the pennisetum alopecuroides is 52%, and the root length inhibition rate of the bluegrass is 43%. The axillarin is a plant source natural component, can be rapidly decomposed in nature and does not pollute the environment. The axillarin can be prepared into herbicides with different concentrations, can be independently used or can be mixed with other pesticides for use before seedling or in a seedling stage, is widely applied to development of various herbicides, and has potential commercial application value.