105 results about "Digitaria sanguinalis" patented technology

The invention discloses a substance ethyl 4-hydroxy-3-methoxycinnamate with herbicidal activity and belongs to the field of application of artificial synthetic chemicals to agricultural plant protection. The substance has a certain inhibitory effect on weeds such as digitaria sanguinalis, amaranthus retroflexus, barnyard grass, Setaria viridis, Chloris virgata, etc., and has the best inhibitory effect on the weed digitaria sanguinalis. IC50 is 281.53 mg.L<-1>. The substance is safe and environment-friendly, and is harmless to non-target crops.

The invention discloses imazethapyr water dispersible granules, which comprise the following components in percentage by weight: 10 to 90 percent of imazethapyr, 1 to 12 percent of wetting agent, 1 to 12 percent of dispersant, 1 to 25 percent of disintegrating agent, 1 to 10 percent of adhesive, 1 to 5 percent of stabilizing agent, and the balance of carrier. The invention also discloses a preparation method for the imazethapyr water dispersible granules. The method is simple in process and low in cost; and the obtained imazethapyr water dispersible granules are safe and environment-friendly, do not produce dust pollution, are difficult to produce pesticide hazard, have an excellent prevent effect on annual or perennial gramineous weeds and certain broad leaf weeds in soybean fields and other bean plant fields such as amaranth, polygonum, goosefoots, nightshade, xanthium sibiricum, barnyard grass, setaria viridis, digitaria sanguinalis, proso millet and the like, are convenient to use, and are suitable for large-area popularization and use.

Photosystem II inhibitor herbicides belong to a main category in chemical herbicides, and psbA genes are target acting sites. The invention provides a specificity PCR (Polymerase Chain Reaction) primer pair (Seq ID No.1 and Seq ID No.2) for detecting the photosystem II inhibitor herbicide resistant digitaria sanguinalis and a PCR detection kit comprising the primer pair. The primer pair provided by the invention has the advantages of high specificity and high sensitivity; PCR experiments prove that (Figure 1) the psbA gene sequence of the digitaria sanguinalis can be amplified; and the amplified sequence contains reported all sites relevant to the resistance. The method has the advantages that the sensitivity and the specificity can realize the fast identification on the field suspected photosystem II inhibitor herbicide resistant digitaria sanguinalis, so that the guidance on the scientific management of resistance weeds in production practice can be realized.

The invention discloses bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) and a screening method and application thereof. The bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) has been preserved in the general microbiological center of Chinese microbial species preservation management committee, and the preservation number is CGMCC No.13887. The concentration of conidium which utilizes the bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) is more than 104 per milliliter, and the bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) is used for biological weeding, can be safely used in Oryza sativa L., Triticum aestivum L., sorghum bicolor (L.) Moench, Glycine max (Linn.) Merr., Gossypium spp and vegetable crop fields as well as Festuca elata Keng ex E. Alexeev and Zoysia japonica Sreud., and is used for controlling gramineous weeds such as Digitaria sanguinalis (L.) Scop, Eleusine indica (L.) Gaertn, Setaria viridis (L.) Beauv., Echinoochloa crusgalli (l.) Beauv., Leptochloa chinensis (L.) Nees, Microstegium vimineum (Trin.) A. Camus, Alopecurus aequalis Sobol. and Poa annua L., as well as microstegium related genera plant such as Eccoilopus cotulifer (Thunb.) A., Miscanthus sinensis anderss., Eulalia speciosa, Microstegium japonicum, Arthraxon hispidus (Thunb.) makino, Sorghym sudanense (Piper stapf). The controlling effect on target weeds can reach more than 80%. The bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) has the characteristics of safety and environmental protection.

The invention relates to a method of ecological restoration of ion type rare earth mine. The method comprises the steps of fertilization, when the leveled rare earth mine to be restored is filled with hay, and then organic fertilizer is applied; planting, wherein cutting seedlings of herbaceous plants are planted in the rare earth mine processed according to the first step, and trees are planted in 20 to 30 days; the herbaceous plants are at least one of knotgrass and digitaria sanguinalis, and the trees comprise at least one of Chinese red pine, tung tree and chinaberry; management after planting, the plants are allowed to grow naturally to form vegetation after being planted; replanting for replacement of dead seedlings is conducted in good time in the planting year, the seedlings are watered for the first time after transplantation in replanting. After the restoration, bacterial diversity and amount of bacteria in the rare earth mine soil are greatly improved, soil fertility is improved substantially, the ecological environment of soil is significantly improved and recovered, and benign interaction among soil improvement, plant growth and microbial multiplication is promoted.

The invention discloses a novel medical composite material and a preparation method thereof. The novel medical composite material is prepared from the following raw materials in parts by weight: 20 to 30 parts of polypropylene, 20 to 30 parts of polylactic acid, 10 to 20 parts of starch, 65 to 90 parts of plant fibers, 1 to 2 parts of digitaria sanguinalis, 1 to 2 parts of lubricant, 1 to 2 parts of plasticizer, 1 to 2 parts of antifreezing agent, 1 to 3 parts of cross-linking agent and 1 to 2 parts of waterproof agent. The degradable novel medical composite material prepared by the method is high in tensile strength, bending strength and elongation at break, high in natural degradation speed, water-proof and suitable for producing medical bag products. The preparation method of the novel composite material is simple, and suitable for industrialized mass production.

The invention discloses a method for breaking the dormancy of digitaria sanguinalis seeds. The method comprises the following steps: (1) selecting seeds, namely screening out the seeds which are full in grains and fully mature from collected digitaria sanguinalis seeds which do not go through the period of the dormancy; (2) removing seed shells, namely kneading the screened seeds into a nylon gauze bag for 2-4 minutes by hands; (3) soaking the seeds in hot water, namely soaking the shelled mature seeds in distilled water at 55-65 DEG C for 15-20 minutes; (4) soaking the seeds with hormones, namely soaking with a mixed liquid of gibberellins and 6-benzylamino adenine for 18-30 hours; (5) washing the seeds, namely washing the seeds processed in the step (4) with the distilled water for 2-4 minutes; and (6) accelerating germination, namely accelerating the germination of the seeds processed in the step (5) at 30-35 DEG C. A research proves that the germination rate of the digitaria sanguinalis seeds after being germinated for 8 days by adopting the method disclosed by the invention can reach about 80%.

The invention relates to a cyhalofop-butyl oil suspending agent which consists of the following raw materials in percentage by weight: 15 to 25 percent of cyhalofop-butyl, 7 to 9 percent of a surfactant, 2 to 4 percent of diethyl malonate, 1 to 3 percent of fumed silica, 0.1 to 0.3 percent of simethicone, 0.2 to 0.4 percent of sodium benzoate and the balance of corn oil. The cyhalofop-butyl oil suspending agent disclosed by the invention is high in suspension rate and stable in performance. The cyhalofop-butyl oil suspending agent is mainly used for preventing and removing important grassy weeds, has high efficiency for moleplant seeds, has a certain control effect on low-age barnyard grass and can also be used for preventing and removing digitaria sanguinalis, paspalum distichum, setaria viridis, eleusine indica, alopecurus aequalis and the like.

The invention discloses a dichlorodiphenyl-stannane complex of which structural formula is shown as below. The preparation method comprises the following steps: adding 1mmol of 2-hydroxyl-1-naphthalene-3-pyridinecarboxamide, 1-1.5mmol of sodium ethoxide, 1-1.5mmol of dichlorodiphenyl-stannane and 20-30ml of methanol in a flask, stirring and refluxing at 60-70 DEG C for 6-7h, cooling to the room temperature, performing rotary evaporation to obtain yellow solid; and using dichloromethane-ethanol to recrystallize and obtain yellow transparent crystals, namely the dichlorodiphenyl-stannane complex. The organotin complex of the invention has higher herbicidal activity, can be used to prepare a herbicide for killing Echinochloa crusgalli, Digitaria sanguinalis, radish and rape. Compared with the common herbicide, the organotin complex of the invention is characterized by high herbicidal activity, good liposolubility, high water solubility, low cost, simple preparation method and the like, thus a new way is provided for the development of the herbicide.

The invention belongs to the field of agricultural herbicides, and particularly relates to a phenylisoxazoline compound and application thereof. The phenylisoxazoline compound is shown in a general formula (I) shown in the specification, and the compound with the general formula (I) has good herbicidal activity, can effectively control weeds such as barnyard grass, green bristlegrass, cyperus difformis, cyperus rotundus, digitaria sanguinalis, hispid arthraxon, piemarker, zinnia elegans, amaranthus retroflexus, portulaca oleracea, xanthium sibiricum, solanum nigrum, cassia occidentalis, hibiscus trionum, wild soybean and the like, can obtain a good herbicidal effect at a low dosage, has a certain safety to crops such as corn, wheat, rice and the like, and can be used as a herbicide in agriculture.

The present invention relates to a pesticide activity weeding agent composition, more particularly to a weeding synergistic composition containing metamifop, cyhalofop-butyl and pyriminobac-methyl, a preparation and applications thereof, wherein the weeding synergistic composition is characterized by comprising three effective components such as metamifop, cyhalofop-butyl and pyriminobac-methyl, and a weight ratio of metamifop to cyhalofop-butyl to pyriminobac-methyl is (0.1-70):(0.1-70):(0.1-60). According to the present invention, the three compounds do not have cross-resistance, and can provide significant synergistic effects for prevention and control of rice field weeds after the three compounds are mixed, such that the prevention and control spectrum is expanded, various poaceae weeds including echinochloa crusgalli, leptochloachinensis(l.) nees and digitaria sanguinalis (l.) scop, partial broadleaf grasses, and cyperaceae weeds can be widely killed, the quick effect and the lasting-action characteristic are perfected, the number of the times of the medication during the growth stage can be reduced, and the important significance is provided for the delaying of the generation of drug resistance.

The invention discloses cyhalofop-butyl microemulsion and a preparation method thereof. The microemulsion comprises the components in percentage by weight: 1 to 50 percent of cyhalofop-butyl, 1 to 20 percent of solvent, 1 to 20 percent of cosolvent, 5 to 30 percent of emulsifier and 50 to 90 percent of water. The preparation method comprises the following steps of: uniformly stirring and mixing the solvent, the cosolvent and the cyhalofop-butyl according to the weight percentage at the rotation speed of 50 to 200 revolutions per minute; adding the emulsifier according to a required ratio, and uniformly stirring; and finally adding the water and continuously stirring for 1 to 2 hours to prepare a uniform and transparent solution product. The cyhalofop-butyl microemulsion is mainly used for preventing and controlling gramineous weeds such as caper euphorbia seed, echinochloa crusgalli, digitaria sanguinalis, paspalum distichum, setaria viridis, eleusine indica, alopecurus aequalis and the like in rice seedling field, direct seeding field and transplanting field. The microemulsion can effectively improve the use efficiency of the medicament, and reduce environmental pollution.

The invention provides a biological herbicide containing spores produced by a Colletotrichum Corda strain with a collection number of CGMCC No.2867, and a method for preparing the biological herbicide and a method for using the herbicide to remove weeds from crops. The invention particularly provides a biological herbicide for removing digitaria sanguinalis from crops, which comprises the spores produced by the Colletotrichum Corda strain with the collection number of CGMCC No.2867. The biological herbicide can prevent and control weeds in dicotyledons, and prevent and control weeds in monocotyledons; and the strain particularly has 85 to 100 percent of control effect on a target weed digitaria sanguinalis, particularly on plants with less than 3 leaves.

The invention discloses a weeding composition containing sulfentrazone and metribuzin and application thereof. The composition takes sulfentrazone and metribuzin as active ingredients, comprises auxiliary materials and can be prepared into water dispersible granules, a suspending agent or wettable powder. The weeding composition disclosed by the invention can be used for effectively controlling annual broad leaf weeds including amaranth, xanthium sibiricum, chenopodium album, setaria viridis, digitaria sanguinalis and the like and parts of grassy weeds in soybean fields and corn fields, and the control effect of the weeding composition is obviously higher than that of single sulfentrazone or single metribuzin. Otherwise, according to the composition, the pesticide effect is improved, the dosage is reduced, the economic cost is saved, the application dosage of each active substance is greatly reduced, residues of chemicals in the environment are reduced, the drug resistance of weeds can be postponed and the service life of the chemicals is prolonged; therefore, the weeding composition has important ecological significances and environmental protection significances.

The invention discloses a weeding composition containing fenoxsulfone. The weeding composition comprises the following active ingredients: fenoxsulfone and pretilachlor, or fenoxsulfone and butachlor.The weeding composition disclosed by the invention can be used for effectively preventing and removing various annual and perennial weeds at one time, has very high selectivity on rice and barnyard grass, and shows a special effect on weeds such as barnyard grass, moleplant seeds, digitaria sanguinalis, monochoria, eleocharis yokoscensis, Cizao (a kind of alga) and scirpus juncoides which are difficult to remove in a paddy field. The weeding composition disclosed by the invention has a good synergistic effect, the application effect of the weeding composition is obviously superior to the sumof theoretical effects of the single agents, a super-superposition effect is obtained, and the harm of dominant weeds can be better controlled; in addition, the weeding composition reduces the use amount of chemicals, is reduced use cost and environmental pollution, and has improved safety to crops.

The invention belongs to the technical field of traditional Chinese medicine, and particularly provides traditional Chinese medicinal eye drops. The traditional Chinese medicinal eye drops are prepared from the following raw materials in parts by weight: 12 to 26 parts of buerger pipewort flower, 10 to 18 parts of fructus viticis, 12 to 25 parts of mulberry leaves, 15 to 30 parts of dandelion, 12 to 35 parts of medlar, 12 to 20 parts of chrysanthemum, 20 to 35 parts of parmelia saxitilis, 8 to 15 parts of bamboo leaves, 2 to 20 parts of cape jasmine, 10 to 15 parts of cinnamon leaves, 12 to 28 parts of dichrocephala auriculata, 12 to 23 parts of eupatorium fortunei, 10 to 14 parts of angelica sinensis, 8 to 40 parts of digitaria sanguinalis, 10 to 12 parts of madder, 10 to 15 parts of lily, 5 to 10 parts of honeysuckle, 6 to 8 parts of mint, 10 to 14 parts of red-rooted salvia root, and 8 to 14 parts of sophora flower. The traditional Chinese medicinal eye drops provided by the invention are good in medicinal cure effect and quick in effect, act on eyes directly, do not have a toxic or side effect, have the effects of clearing heat, detoxifying, nourishing blood for improving eyesight and dispelling wind and heat, and have remarkable treatment effects on trachoma and the symptom, such as dryness and pain of eyes; eye dryness and slight discomfort can be relieved effectively, and the effect of moistening and improving eyesight can also be achieved; therefore, the traditional Chinese medicinal eye drops are worth being popularized and applied widely.

The invention provides a weeding oil suspension agent, which contains 1 to 30 percent of cyhalofop-butyl, 1 to 20 percent of fenoxaprop-p-ethyl, 1 to 10 percent of emulsifier, 2 to 8 percent of wetting dispersant, 0.1 to 5 percent of suspension stabilizer, 0 to 0.2 percent of organic silicon defoamer and the balance of vegetable oil. The weeding oil suspension agent has obvious synergistic effect, and has excellent prevention and control effect on rice field weeds such as gramineous weeds of caper euphorbia seed, cockspur grass and the like, particularly older caper euphorbia seed and digitaria sanguinalis. The weeding oil suspension agent composition can improve the prevention and control effect, expand a weeding spectrum, delay weed resistance, reduce phytotoxicity generated when the consumption of the fenoxaprop-p-ethyl is high, and is safe for crops.

The invention discloses 2-hydroxyl-1-naphthalene-3-pyridinecarbonylhydrazone of which structural formula is shown as below. The preparation method comprises the following steps: adding 10mmol of 3-picolinyl hydrazide and 20-30ml of methanol in a flask, refluxing and stirring to ensure that the hydrazide is completely dissolved, then adding 10mmol of 2-hydroxyl-1-naphthoic aldehyde to generate yellow precipitate instantly, reacting for 2-3 hours, cooling to the room temperature, performing suction filtering to obtain a hydrazone crude product; and then using the mixed solvent of absolute alcohol of which volume is 1:1 and N, N-dimethylformamide to recrystalliza and obtain yellow crystals; then washing with ethanol, and drying to obtain the pure product. The 2-hydroxyl-1-naphthalene-3-pyridinecarbonylhydrazone has higher herbicidal activity and can be used to prepare a herbicide for killing Echinochloa crusgalli, Digitaria sanguinalis, radish and rape. The product of the invention is characterized by high herbicidal activity, good liposolubility, high water solubility, low cost, simple preparation method and the like and a new way is provided for the development of the herbicide.

The N-(phosphonomethyl)glycine (Glyphosate) salt which is the N-(phosphonomethylglycine) 1H-1,2,4-triazol-3-ylamine salt (Glyphosate triazolamine salt). Preferably, it is the N-(phosphonomethylglycine) mono-1H-1,2,4-triazol-3-ylamine salt (Glyphosate mono-triazolamine salt) of formula:

Useful concentrate composition for the “in situ” preparation of a phytotoxic formulation by dilution with water, or by dissolution in water to reach a required active compound concentration, which is a liquid or solid product wherein the active compound comprises the Glyphosate triazolamine salt, and at least an auxiliary including agriculturally acceptable diluents, extensors, carriers, conditioning agents, humidifying agents, and/or dispersing or emulsifying agents; and such phytotoxic formulation. A process to prepare a liquid concentrate composition of the Glyphosate triazolamine salt comprising: (a) suspending acid glyphosate in water; and (b) slowly adding triazolamine under constant stirring, and keeping the temperature from 15 to 40° C., and additionally adding an agriculturally acceptable auxiliary; and a process to prepare a solid concentrate composition of the Glyphosate triazolamine salt comprising the mixture of acid glyphosate and triazolamine, and the additional addition of an agriculturally acceptable auxiliary. A method to combat weeds in a crop by the application of the phytotoxic formulation on the existing weeds in a crop, or a plantation of fruit trees, to control weeds, preferably Aleppo grass (Sorghum halepense), Bermuda grass (Cynodon dactylon, water grass (Echinochloa crusgalli), summer grass (Digitaria sanguinalis), sunchillo (Wedelia glauca), nutgrass (Cyperus rotundus), blite (Amaranthus quitensis), wild buckwheat (Polygonum convolvulus), and pigweed (Chenopodium album).

The invention discloses a paper diaper capable of calculating the amount of exercise, which belongs to the technical field of products for babies. The paper diaper comprises a paper diaper body and a shield; an exercise gauge is arranged inside the bottom of the paper diaper body; the paper diaper body consists of a waterproof layer at the outer part, a hydrophilic non-woven fabric layer at the sub outer part and a water adsorption layer at the inner part. The paper diaper disclosed by the invention can monitor the amount of exercise of a baby in real time, so that parents can control motion of the baby and the baby is kept growing healthily. The exercise gauge disclosed by the invention adopts a gravity acceleration sensor to sense the amount of exercise; a gyroscope is adopted to carry out correction; the paper diaper has the advantages of accuracy, rapidness and reliability; extract of common cephalanoplos herb or extract of digitaria sanguinalis not only can take a bactericidal effect and increase urine adsorption capacity, but also can promote the gravity acceleration sensor to play functions and improve efficiency.