26 results about "Digitaria sanguinalis" patented technology

The invention discloses a walnut green seedcase extract as well as a preparation method and application thereof. Relates to the technical field of agricultural weeding. The invention provides a preparation method of a walnut green seedcase extract, the extract and application thereof. The walnut green seedcase extract disclosed by the invention has a remarkable growth inhibition effect on various common farmland weeds, including but not limited to barnyard grass, green bristlegrass, digitaria sanguinalis, purslane, amaranthus retroflexus and the like. During application, the walnut green seedcase extract (concentrated solution) can be diluted and then uniformly sprayed on the surfaces of farmland weeds through a sprayer, or applied to soil around the roots of the weeds in a root irrigation manner. And the dilution ratio is determined according to weed types, growth stages and environmental conditions, and is generally 10-50 times.

The invention discloses an application of a compound Phyllanthusmin C in serving as a herbicide. A large number of studies show that the compound Phyllanthusmin C separated and purified from the taiwania flousiana has broad-spectrum herbicidal activity; the weeding composition has an obvious inhibition effect on various weeds such as ageratum conyzoides, mikania micrantha, euonymus japonicus, horseweed herb, cleavers, xanthium sibiricum, mazus japonicus, purslane, dayflower, carp intestines, barnyard grass, eleusine indica, digitaria sanguinalis, green bristlegrass, cyperus iria, bidens pilosa, alternanthera philoxeroides, moleplant seed, alopecurus aequalis and cyperus rotundus, is very efficient, and is obviously superior to the existing most common herbicide glyphosate. Besides, the compound Phyllanthusmin C is derived from natural plants, is safe and environment-friendly, has the advantage of environmental friendliness, and has very good application value and prospect in the aspect of developing herbicides.

The invention provides a preparation method of a macadamia nut slow-release fertilizer, which comprises the following steps: (1) dissolving chitosan in an acetic acid aqueous solution, then adding a digitaria sanguinalis extract in a stirring state, incubating, and casting to form a film; (2) mixing the pleurotus eryngii residues and the rape straws, and soaking the mixture in acid liquor; then cellulase is added for enzymolysis; calcining at 600 to 650 DEG C to obtain an active component carrier; and (3) uniformly doping the digitaria sanguinalis extract and the mixed bacteria culture into the active component carrier obtained in the step (2) according to the weight ratio of 2: (3-5), and coating with the film obtained in the step (1) to obtain the slow-release fertilizer. The obtained macadamia nut slow-release fertilizer takes biological source materials as raw materials, has a slow-release effect, only needs less fertilization times, also has excellent fertilizer efficiency, and can significantly promote the yield increase of macadamia nuts.

The invention belongs to the technical field of agricultural biology, and discloses myrothecium verrucaria with herbicidal activity and application of the myrothecium verrucaria. The strain is preserved in the China Center for Type Culture Collection, and the preservation number is CCTCC M 20251228. Experiments show that the bacterial strain has remarkable pathogenic activity on various weeds such as atrazine, ageratina adenophora, barnyard grass, amaranthus retroflexus and digitaria sanguinalis, the fatality rate of part of weeds under high spore concentration can reach 100%, and the maximum fresh weight inhibition rate can reach 87.47%. More importantly, the strain is safe to the growth of tomato crops and has no obvious adverse effect. The invention also provides application of the strain in preparation of microbial herbicides. The strain and the product thereof provide important strain resources and technical support for developing efficient, safe and environment-friendly novel biological herbicides, and are particularly suitable for green weed control in specific scenes such as tomato fields.

The invention belongs to the field of agricultural herbicides, and particularly relates to a phenyl isoxazoline ester compound and application thereof. The phenyl isoxazoline ester compound is shown in a general formula (I), the compound in the general formula (I) has good herbicidal activity, can effectively control weeds such as barnyard grass, green bristlegrass, cyperus difformis, juncellus serotinus, digitaria sanguinalis, hispid arthraxon, piemarker, zinnia elegans, amaranthus retroflexus, portulaca oleracea, xanthium sibiricum, solanum nigrum, cassia occidentalis, capparis spinosa and wild soybean, and a good herbicidal effect can be obtained at a low dosage. The weeding composition has good safety to crops such as corn, wheat and rice, and can be used as a herbicide in agriculture. # imgabs0 #

The invention relates to the technical field of agricultural herbicides, and discloses a herbicide suitable for cnidium monnieri planting in southern districts and a preparation method thereof, the herbicide is composed of 4-8% by mass of nicosulfuron, 16-20% by mass of atrazine and 8-12% by mass of quizalofop-p-ethyl, and the balance is water. The mass ratio of nicosulfuron to atrazine is (1: 3)-(1: 5). The nicosulfuron and the atrazine have a dual mechanism of inhibiting the activity of acetolactate synthetase of weeds and blocking photosynthesis, the control effect within 30 days after application reaches 85% or above, gramineae weeds such as digitaria sanguinalis and barnyard grass and broadleaf weeds such as chenopodium album and amaranth can be effectively prevented and removed, only slight phytotoxicity such as transient leaf chlorosis is caused to cnidium monnieri plants, and the effect is remarkable. The quizalofop-p-ethyl inhibits the activity of weed acetyl-coenzyme A carboxylase and blocks fatty acid synthesis, and has a good control effect on green bristlegrass, eleusine indica and other grassy weeds.

The invention relates to the technical field of pesticide reduction and synergism, and discloses a synergistic weeding composition based on trifluralin and butralin as well as a preparation method and application of the synergistic weeding composition. The composition comprises 10-20 parts of trifluralin, 10-20 parts of butralin, 70-80 parts of a solvent, 5-15 parts of an emulsifier, 2-5 parts of silicone oil and 1-10 parts of an antioxidant. The antioxidant has a structure. Tests show that the control effect of the composition on broad-leaf weeds such as edible amaranth and chenopodium album and grassy weeds such as green bristlegrass and digitaria sanguinalis reaches 80-100%, and the removal rate of the composition under the concentration of 16 mu M in a DPPH free radical removal experiment reaches up to 91.2%. The problems that a traditional herbicide is prone to oxidation inactivation, poor in pesticide effect persistence, high in environmental risk and the like are effectively solved, and efficient weeding and environmental safety are achieved.

To provide a method that exhibits excellent effectiveness in controlling the Japanese pampas grass (Digitaria sanguinalis). [Solution] A method for controlling Digitaria sanguinalis, comprising applying at least one compound selected from the group consisting of compounds of formula (2), etc., to Digitaria sanguinalis or to a place where Digitaria sanguinalis grows. TIFF2026064332000026.tif70111

The invention discloses a pesticide composition containing chloromethylsilazane and application of the pesticide composition in plant disease prevention and growth promotion, and belongs to the technical field of biocide pesticides. According to the invention, the red date kernel extract and the digitaria sanguinalis extract are taken as synergistic extracts and are combined with the chloromethylsilatrane and the 14-hydroxy brassin to prepare the pesticide composition containing the chloromethylsilatrane. When the phytophthora capsici is applied to a test, in a pepper disease resistance test, the disease index is reduced to some extent, and the relative control effect is up to 79.45% at most, which indicates that the phytophthora capsici is inhibited; in the experiment of promoting the growth of the pepper, the plant height of the pepper plant in the compound group is 19.67 + / -0.23 cm, the stem diameter is 4.07 + / -0.05 mm, the dry weight of the overground part is 1.51 + / -0.11 g, the dry weight of the underground part is 0.39 + / -0.04 g, and the growth index is remarkably improved. The pesticide composition containing the chloromethylsilazane prepared by the invention can better inhibit phytophthora capsici, is suitable for developing pesticides for preventing and treating phytophthora capsici, and also has a better promoting effect on the growth of capsicum.

The application provides a pyrrolidone-containing 2-phenylpyridine derivative and a synthesis method, application and herbicide thereof, and belongs to the technical field of compound synthesis. The structural general formula of the pyrrolidone-containing 2-phenylpyridine derivative is shown in formula I or formula II. The pyrrolidone-containing 2-phenylpyridine derivative has a novel molecular skeleton, has excellent herbicidal activity on three broadleaf weeds of amaranthus retroflexus, abutilon theophrasti and medicago sativa and three gramineous weeds of euphorbia heterophylla, digitaria sanguinalis and lolium multiflorum, and has good crop selectivity on wheat, corn and rice.

This invention discloses a P450 gene of crabgrass from paddy fields and its application in conferring resistance to cyhalofop-butyl in plants. The expression level of this gene in the resistant crabgrass biotype is significantly higher than that in the sensitive biotype. By constructing it into a plant expression vector and transforming it into maize, the resulting transgenic maize plants were sprayed with 11.25 g ai ha at the 3-4 leaf stage. ‑1 After treatment with cyhalofop-butyl, the maize exhibited significantly higher herbicide resistance and survival rate than wild-type maize. This invention confirms that the crabgrass P450 gene is directly related to herbicide resistance, providing a foundation for using this gene to breed transgenic crops resistant to ACCase inhibitor herbicides, and has broad application prospects in the field of agricultural biotechnology.

The invention discloses a cyhalofop-butyl-resistant digitaria sanguinalis MYB transcription factor gene and application thereof, and relates to the field of plant genetic engineering, and the expression of the gene in a resistant digitaria sanguinalis biotype is remarkably up-regulated. After a plant expression vector is constructed and corn is transformed, after 11.25 g a.i. Ha-1 cyhalofop-butyl is sprayed on a transgenic corn plant in a 3-4 leaf period, the pesticide resistance and the survival rate are obviously enhanced, and the transgenic corn plant is obviously superior to a wild type. The invention proves that the MYB gene can endow plants with cyhalofop-butyl resistance, provides a new gene resource for cultivating transgenic crops resisting acetyl-CoA carboxylase (ACCase) inhibitor herbicides, and has important application value.

The invention discloses a synergistic weeding and plant growth regulation composition containing trifluralin and flumetralin and application thereof, and belongs to the technical field of green agriculture. The composition comprises the following components in parts by mass: 5-30 parts of trifluralin, 5-30 parts of flumetralin, 30-70 parts of a solvent, 5-15 parts of an emulsifier, 2-5 parts of silicone oil and 1-5 parts of a specific structure stabilizer. The stabilizer is of a structure as shown in a formula 1, and the stability of the preparation is improved through triple mechanisms of ultraviolet absorption, free radical quenching and metal chelation. During preparation, a stable system is formed through solvent dissolution, homogenization treatment and pH adjustment. Application shows that after the composition is diluted 500-2000 times, the germination inhibition rate on grassy weeds such as barnyard grass and digitaria sanguinalis and quinoa broadleaf weeds reaches 90% or above, and the synergistic interaction is remarkable; meanwhile, the growth of lateral branches of crops such as cotton is promoted, the yield is increased by 8-15.3%, and the phytotoxicity risk rating is 0-1 level. The stabilizer enables the decomposition rate of effective components to be lower than 1.5% after 14 days of thermal storage at 54 DEG C and the retention rate of 4000LX illumination to be as high as 99.9%, and solves the problem of layering oxidation of a traditional preparation.

The invention relates to a 5-acyl barbituric acid compound containing a pyrimidinedione structure, a preparation method of the 5-acyl barbituric acid compound and application of a herbicide of the 5-acyl barbituric acid compound. The phenoxyalkyl acyl chloride compound containing the pyrimidinedione structure is obtained by taking a nitrophenol compound as a raw material through nucleophilic reaction, hydrogenation reduction reaction, condensation ring closing reaction, hydrolysis reaction and acylating chlorination reaction. The 5-acyl barbituric acid compound containing the pyrimidinedione structure is obtained through an intermolecular condensation reaction with a barbituric acid compound, and a weeding test result shows that the yield of the 5-acyl barbituric acid compound containing the pyrimidinedione structure is increased at the dosage of 150 g / hectare in post-seedling treatment. The compound disclosed by the invention has a good growth inhibition effect on dicotyledonous plants such as rape, piemarker, amaranthus retroflexus and chenopodium album and monocotyledonous plants such as barnyard grass, digitaria sanguinalis, eleusine indica and green bristlegrass, and is a broad-spectrum herbicide with a novel structure and a wide application prospect.

This invention discloses a strain of *Boletus urinaria* PP013 and its applications, with the preservation number CGMCC No. 40661. This invention also provides a sustainable, cyclical understory cultivation method, including liquid spawn culture, spawn culture, soil covering for fruiting, and understory inoculation. This method selects shallow-rooted tree species such as *Delonix regia* and *Gardenia jasminoides*, and lays a layer of dry weeds consisting of sugarcane bagasse, miscanthus, and *Digitaria sanguinalis* under the trees. Artificially cultivated fruiting bodies about to open their gills are placed under the trees as a live spore source for spore production. After spore production, the understory is covered with dry weeds and watered. The following year, after fruiting, some fruiting bodies are retained for natural spore production, achieving a single inoculation and multi-year cyclical fruiting. This invention creatively utilizes fruiting body spores for natural inoculation, replacing the traditional direct mycelial inoculation method. It boasts a high success rate of establishment, low long-term production costs, and represents a highly efficient forest-fungus integrated management model.

The invention provides a weeding composition containing flazasulfuron and sulfometuron methyl as well as a suspending agent dosage form and application of the weeding composition. After flazasulfuron and sulfometuron methyl are compounded, the lasting period can be prolonged to several months and even more than one year; the weeding spectrum is expanded, the control effect on weeds such as digitaria sanguinalis, acalypha australis, eleusine indica and moleplant seeds is improved, and the control varieties of perennial weeds are increased; compared with a single agent, the compounding can reduce the use amount of effective components and improve the safety to lawns.

The invention discloses application of an aminomethyl phosphoric acid derivative in weeding. The aminomethyl phosphoric acid derivative has a structural formula as shown in a formula (1) or a formula (2). Through synthesis and evaluation of in-vivo herbicidal activity and in-vitro EPSPS inhibition activity of various aminomethyl phosphoric acid derivatives, the two compounds have significant in-vitro EPSPS inhibition effects and have good in-vivo inhibition effects on grassy weeds such as green bristlegrass and digitaria sanguinalis. And the composition basically has no harm to six common crops such as wheat, rice, peanut, corn, soybean and cotton in vivo.

Recombinant DNA molecules and constructs including sequences derived from Digitaria sanguinalis are provided, which are useful for modulating gene expression in plants. Transgenic plants, plant cells, plant parts, and seeds are also provided, comprising a recombinant DNA molecule operably linked to a heterologous transcribable DNA molecule, as well as methods of their use.

The invention discloses a folium artemisiae argyi endophytic diplodia mediterranean strain AY7B and application thereof in weed control, and belongs to the field of microorganisms. The strain is separated from healthy and disease-free folium artemisiae argyi, is preserved in the China General Microbiological Culture Collection Center (CGMCC) on November 11, 2024, has the preservation number of CGMCC NO.41594, and is classified and named as bicognia mediterranean. The strain is named as bicognia mediterranean, and the strain is named as bicognia mediterranean. Two herbicidal active substances, namely fermentation liquor and solid fermentation extract, prepared by taking the strain as a core have inhibition effects on seed germination and seedling growth of common weeds such as digitaria sanguinalis and amaranthus viridis, and the inhibition rates on roots and buds of amaranthus viridis respectively reach 91.0% and 94.6%. The application provides a landing scheme for the development of a novel microbial herbicide, and has both environmental safety and industrialization potential.

The invention discloses a cyhalofop-butyl-resistant digitaria calorata MYB transcription factor gene and application thereof, and relates to the field of plant genetic engineering, and the expression of the gene in a resistant digitaria calorata biological type is remarkably up-regulated. After a plant expression vector is constructed and corn is transformed, after 11.25 g a.i. Ha-1 cyhalofop-butyl is sprayed on a transgenic corn plant in a 2-leaf stage, the pesticide resistance and the survival rate are obviously enhanced, and the transgenic corn plant is obviously superior to a wild type. The invention proves that the MYB gene can endow plants with resistance to acetyl-coenzyme A carboxylase (ACCase) inhibitor herbicides such as cyhalofop-butyl and the like, provides a new gene resource for cultivating transgenic crops resisting the acetyl-coenzyme A carboxylase (ACCase) inhibitor herbicides, and has important application value.

The present application provides an oxadiazolone compound, a herbicidal composition, and a use thereof. In the present application, a position between a sulfonyl group and Cl on a benzene ring of a benzoyl compound is substituted by an oxadiazolone group represented by formula (a) to obtain the oxadiazolone compound. The oxadiazolone compound has not only unexpected high herbicidal activity on various weeds but also relatively high safety to various crops such as corn and rice. Experimental results have shown that the compound provided by the present application has relatively good herbicidal activity, can effectively control weeds such as Echinochloa crusgalli, Digitaria sanguinalis, and Abutilon theophrasti at a low dosage, achieves a good herbicidal effect, and is relatively safe to crops.

The invention discloses a spiro-specific amino acid skeleton compound which is a compound with a structural general formula as shown in a formula I, and the total number of the compounds is 29. The invention also discloses a preparation method of the spiro-specific amino acid skeleton compound. The invention also discloses an application of the spirotetramic acid skeleton compound in serving as or preparing a herbicide and an application in controlling weeds or preparing a preparation for controlling weeds, and the controlled object or weeds of the herbicide are selected from barnyard grass, green bristlegrass, eleusine indica, digitaria sanguinalis and other monocotyledonous plants. And dicotyledonous plants such as purslane, amaranthus retroflexus, chenopodium album, solanum nigrum and The spirotetramic acid skeleton compound is obtained by performing molecular modification on alternaria tenuissima ketonic acid, and experimental research shows that the spirotetramic acid skeleton compound has a good control effect on weeds, especially a compound C3, a compound C22 and a compound C23, and basically has no influence on the growth of crops. The spiro-specific amino acid skeleton compound is suitable for industrial production and has huge application potential.

The invention relates to a 5-acyl barbituric acid compound containing a pyrrole-2, 5-diketone structure, which is characterized in that a nitrophenol compound is used as a raw material, and the nitrophenol compound is subjected to nucleophilic reaction, hydrolysis reaction, hydrogenation reduction reaction, condensation reaction and acylating chlorination reaction to obtain a phenoxyalkanoyl chloride compound containing the pyrrole-2, 5-diketone structure. The 5-acyl barbituric acid compound containing the pyrrole-2, 5-diketone structure is obtained through a condensation reaction between the pyrrole-2, 5-diketone structure and a barbituric acid compound, and the compound has an excellent growth inhibition rate on plants such as oilseed rape, piemarker, amaranthus retroflexus, Chinese velvet, barnyard grass, digitaria sanguinalis, eleusine indica and green bristlegrass and can be used as a candidate variety of efficient herbicides.

The invention relates to an arylamino-containing xanthine derivative as well as a preparation method and application thereof. On the basis of a 1, 3-disubstituted xanthine raw material, the xanthine derivative containing the arylamino group, which is obtained through a series of reactions, is shown as a general formula I in the specification. The compound of the general formula I has high herbicidal activity, and has obvious activity on rape, amaranthus retroflexus, barnyard grass and digitaria sanguinalis. The compound has good insecticidal activity, and especially has a remarkable effect on plutella xylostella. The compound has good bactericidal activity, and has obvious in-vitro inhibitory activity on fusarium graminearum, phytophthora capsici, sclerotinia sclerotiorum, fusarium wilt of cucumber, physalospora piricola, rhizoctonia cerealis and the like. The compound as shown in the general formula I can be used as an active component of a weeding or insecticidal or bactericidal composition, is used for preparing an agricultural herbicide or insecticide or bactericide, and can be used for preventing and treating weeds, pests or germs on various crops. The compound also has a good inhibition effect on the activity of KARI, and can be used as a KARI inhibitor. # imgabs0 #

The invention discloses an N-phenyl phthalimide compound containing a nicotinic acid fragment and an ester group structure as well as a preparation method and application of the N-phenyl phthalimide compound, and belongs to the field of herbicides. The technical problem that existing herbicides cannot give consideration to both herbicidal activity and use safety is solved. The structural general formula of the compound is shown as a formula (I) or a formula (II), wherein the formula (I) and the formula (II) are shown in the specification. The N-phenyl phthalimide compound containing the nicotinic acid fragment and the ester group structure provided by the invention has good inhibitory activity on PPO. The herbicidal composition has especially excellent herbicidal activity on morning glory, digitaria sanguinalis, amaranthus retroflexus, abutilon fiber and other weeds, especially has an excellent effect on dicotyledonous weeds, and the control effect is even superior to that of some commercially available commercial herbicides. The compound can be used as a PPO inhibitor. The weeding composition can also be prepared into a weeding agent for preventing and controlling crop weeds.

The invention belongs to the field of agricultural herbicides, and particularly relates to an isoxazoline ester compound and application thereof. The isoxazoline ester compound is shown in a general formula (I), the compound in the general formula (I) has good herbicidal activity, can effectively control weeds such as barnyard grass, green bristlegrass, difformed galingale herb, juncellus serotinus, digitaria sanguinalis, hispid arthraxon, piemarker, zinnia elegans, amaranthus retroflexus, purslane, xanthium sibiricum, nightshade, cassia occidentalis, capparis spinosa, wild soybean and the like, and a good herbicidal effect can be obtained at a low dosage. The weeding composition has good safety to crops such as corn, wheat and rice, and can be used as a herbicide in agriculture. # imgabs0 #