26 results about "Solidago canadensis" patented technology

The invention belongs to the technical field of biological control, and particularly relates to biological control fermentation liquor and a preparation method and application thereof, the preparation method comprises the following steps: S1, raw material treatment: selecting solidago canadensis as a plant raw material, cutting the solidago canadensis into pieces, performing autoclaved sterilization, adding water, and mixing to obtain a mixture; s2, adding the cultured bacillus subtilis and saccharomyces cerevisiae into the mixture in the step S1, mixing and inoculating, and stirring and fermenting to obtain a fermentation stock solution; s3, centrifuging the fermentation stock solution, taking supernate, and filtering to obtain the biological control fermentation liquor. The biological control fermentation liquor prepared by the invention can be used for controlling seed germination, seedling growth and flowering processes of solidago canadensis, and meanwhile, the biological control fermentation liquor can also be used for preparing products for controlling solidago canadensis. The problem that a biological medicament for preventing and treating solidago canadensis is lacked at present is solved.

The invention discloses a preparation method of biochar based on invasive plant solidago canadensis leaves and application of the biochar in hexavalent chromium wastewater treatment. The preparation and application of the biochar comprises the following steps: 1) collecting solidago canadensis leaves, airing, crushing, sieving, and drying to obtain a sample; and 2) weighing an equal amount of samples, preparing biochar at different carbonization temperatures and carbonization durations, and applying the biochar to the hexavalent chromium-containing wastewater with different pH values to determine the optimal carbonization conditions and application conditions. Through combination of carbonization conditions and application optimization, the research determines that the solidago canadensis leaf biochar prepared by carbonization at 250 DEG C for 0.5 h has the highest adsorption capacity and removal rate for hexavalent chromium in wastewater with the pH value of 1.0, and the adsorption capacity and removal rate respectively reach 49.64 mg / g and 99.28%. Therefore, the technology opens up a new way for resource utilization of the solidago canadensis leaves and wastewater treatment.

The invention discloses an application of a solidago canadensis allelochemical in inhibition of heterosylvus rugosa, and belongs to the technical field of water pollution control. The solidago canadensis allelochemical comprises the following components: 30-45% of a flavonoid compound; 40-50% of an organic acid compound; 0.5 to 5 percent of terpenoids; and 10-25% of alkaloid. The solidago canadensis allelochemical can be used for treating and controlling the outbreak of the red-tide heterobending algae through allelopathy, has a remarkable inhibition effect on the growth of the red-tide heterobending algae, not only can be used for treating the red tide with the red-tide heterobending algae as a dominant species, but also can be used for turning the solidago canadensis into wealth, and has two purposes.

The present invention relates to a herbicide compound and its use. The active ingredients of the herbicide compound are saflufenacil and fluazifop-butyl, with a mass ratio of 1:5 to 5:1. The herbicide compound exhibits significant synergistic control effects against Canada goldenrod within the aforementioned ratio range. The technical solution of the present invention can reduce pesticide usage, reduce the number of applications, lower costs, and mitigate adverse impacts on the ecological environment. A single application of the compound solves the problem of difficult control of the invasive species, Canada goldenrod; and the compound's service life is extended, which is of great significance for the comprehensive control of invasive weeds.

The present invention discloses a method for biological control of Canada goldenrod, relating to the field of biological control technology. A biological agent is prepared using Sclerotium delphinium SD1 and sprayed onto the stem sections of Canada goldenrod stalks. The present invention achieves a higher efficiency in controlling root rot and necrosis of Canada goldenrod than that achieved with Sclerotium truncatum, and the effect is more stable. The liquid Sclerotium delphinium agent formulated in the present invention can be efficiently sprayed in the field using a high-pressure sprayer, effectively causing root rot and necrosis of Canada goldenrod. The method overcomes the limitation of the traditional method of using Sclerotium truncatum SC64 solid herbicide granules, which requires tilling the soil before application. The present method has a wider range of applicability and is applicable to nearly all terrain and habitat types.

The invention belongs to the technical field of biological prevention and treatment, and particularly relates to a biological herbicide for preventing and treating solidago canadensis and a preparation and use method thereof.The biological herbicide is prepared from, by volume, 94%-97% of biological fermentation liquor, 0.75%-1% of Tween 80, 1.5%-2% of paraffin oil, 0.1%-0.2% of xanthan gum and 1%-2% of azone. The biological fermentation liquid is prepared by fermenting solidago canadensis. The preparation method comprises the following steps: S1, raw material treatment: selecting solidago canadensis as a plant raw material, cutting the solidago canadensis into pieces, performing high-pressure sterilization, and adding water for mixing to obtain a mixture; s2, adding the cultured bacillus subtilis and saccharomyces cerevisiae into the mixture in the step S1, mixing and inoculating, and stirring and fermenting to obtain a fermentation stock solution; s3, centrifuging the fermentation stock solution, taking supernate, filtering to obtain biological fermentation liquor, adding Tween 80, paraffin oil, xanthan gum and azone into the biological fermentation liquor at one time, stirring until the materials are completely dissolved, adjusting the pH value, and filtering to remove impurities to obtain the biological herbicide. The biological herbicide for preventing and treating the solidago canadensis can be used for preventing and treating seed germination, seedling growth and flowering processes of the solidago canadensis, and solves the problem that a biological medicament for preventing and treating the solidago canadensis is lacked at present.

The invention relates to the technical field of biological safety and ecological protection, and discloses a method for tracing an alien invasive plant solidago canadensis along with diffusion of nursery stocks. Respectively collecting and recording geographic coordinates, foundation soil color, plant species in a foundation soil range and specification attribute data of nursery stocks; and identifying the color of the foundation soil by using three attributes of colors by adopting a Morse color system. Data comparison and analysis: adopting a three-step analysis strategy to accurately identify the source of solidago canadensis carried by the nursery stock; according to the traceability result, the diffusion risk of solidago canadensis is evaluated, and targeted prevention and control suggestions of source prevention and early-stage monitoring and early warning are provided. According to the established traceability analysis method, interregional specificity based on four types of data including root soil, associated plant species, meter diameter and branch height can be identified, and the accuracy of a traceability result is ensured.

The invention discloses a biological substitution method for controlling alien invasion of solidago canadensis, which comprises the following steps: selecting dwarf lilyturf tuber, ophiopogon japonicus, liriope spicata or liriope latifolia as substitution plants, performing soil layer ploughing in an invasion area, and performing point type plant division transplanting. Tests show that the inhibition rate of each growth index of solidago canadensis can reach 90% or above under high-density planting of the substitute plants. According to the method, ecological prevention and control are achieved through an inter-plant competition mechanism, and high inhibition efficiency and ecological safety are both achieved. Compared with traditional chemical prevention and control, the method has the outstanding advantages of zero pollution, low cost, afforestation and beautification, economic benefits of medicinal materials and the like, and is particularly suitable for treating invasive plants in ecological sensitive areas.

The present application relates to the technical field of biological safety and ecological protection, and discloses a method for tracing the spread of alien invasive plant Solidago canadensis with nursery stock, which comprises the following steps: collecting and recording the geographic coordinates, root base soil color, plant species in the root base soil range, and specification attribute data of the nursery stock in the planting area of the nursery stock suspected to carry Solidago canadensis and the spread points caused by the transportation of the nursery stock; identifying the color of the root base soil by using the Munsell color system and three attributes of color; and adopting a three-step analysis strategy to accurately identify the source of Solidago canadensis carried by the nursery stock, evaluating the spread risk of Solidago canadensis according to the tracing result, and putting forward targeted prevention and control suggestions for source control and early monitoring and early warning. The tracing analysis method can identify the region-specificity of the four types of data, i.e., root base soil, associated plant species, diameter, and branch height, thereby ensuring the accuracy of the tracing result.

The present invention discloses the application of allelochemicals from Solidago virgaurea in inhibiting Heterosigma akashiwo, belonging to the technical field of water pollution control. The components of the allelochemicals from Solidago virgaurea include: 30-45% flavonoid compounds; 40-50% organic acid compounds; 0.5-5% terpene compounds; 10-25% alkaloids. The allelochemicals from Solidago virgaurea can control the outbreak of Heterosigma akashiwo through allelopathy, and have a significant inhibitory effect on the growth of Heterosigma akashiwo. It can not only control the red tide with Heterosigma akashiwo as the dominant species, but also turn Solidago virgaurea from waste into treasure, killing two birds with one stone.

The invention discloses a solidago canadensis removing and diversified silage feeding method, which comprises the following steps: aiming at a solidago canadensis plant spreading in a local manner, mowing solidago canadensis with a sharp blade in the early flowering period of the current year and before the end of November, keeping the stubble height of 20cm, mowing the overground part vegetative mass, bundling and bagging; the method comprises the following steps: chopping and processing grass residues with the size of 2cm through a filament rubbing machine, and respectively obtaining silage fermented materials with different palatability, such as fermented material small packages, piled materials, pure wrapping materials, mixed wrapping materials and the like of solidago canadensis by adopting a diversified silage technology of vacuum silage, independent piling and storage, independent wrapping silage and mixed wrapping silage for feeding ruminants such as goats, Hu sheep and the like. The method is characterized in that the invasive malignant weed Solidago canadensis (overground part) is used as forage grass for silage utilization so as to exert the resource value of the Solidago canadensis, vegetative mass is utilized before flowering (initial flowering stage) of Solidago canadensis so as to avoid the stimulation effect of strong smell of inflorescence on livestock, and meanwhile, treatment is performed before flowering so as to achieve the aim of improving the utilization rate of the vegetative mass. The propagation in a larger range caused by the generation of seeds is also avoided; in addition, underground rhizomes have a strong propagation (asexual propagation) function, so that the underground rhizomes must be thoroughly eradicated unless the underground rhizomes need to be used for continuous forage grass production. The method aims to restrain spreading of invasive plants by efficiently utilizing forage grass resources, and a new way is provided for effective treatment of the invasive plant solidago canadensis.

The application discloses a method for efficiently treating industrial wastewater, and belongs to the technical field of wastewater treatment. The method comprises the following steps: modifying Solidago Canadensis first, preparing a flocculating agent by using the modified Solidago Canadensis, preliminarily separating industrial wastewater in a factory, adding the flocculating agent into a sedimentation tank for repair, and then performing the steps of filtration, pH adjustment and filtration sedimentation treatment to obtain treated wastewater. In the method for treating industrial wastewater, the flocculating agent has better flocculating effect than traditional flocculating agents, has the advantages of weakening toxicity, and can efficiently treat industrial wastewater and is easy to biodegrade.

The invention provides a weeding composition containing oxyfluorfen and picloram. The mass ratio of the oxyfluorfen to the picloram is (5: 1)-(1: 20). The composition can be prepared into an agriculturally suitable preparation for controlling weeds. The weeding composition disclosed by the invention has a remarkable synergistic effect, and can effectively reduce the use dosage of active ingredients, enlarge the weed control spectrum, inhibit the spread of alien invasive weed solidago canadensis, reduce environmental pollution and protect ecological diversity.

The utility model belongs to the technical field of invasive species cleaning, and particularly relates to solidago canadensis cleaning equipment which comprises a base frame, a shearing component and a handrail, the shearing component and the handrail are mounted on the base frame, rollers and a mounting plate are mounted on the base frame, a clamping component is mounted on the mounting plate and comprises a first U-shaped frame, and a second U-shaped frame is mounted on the first U-shaped frame. The shearing assembly comprises a first U-shaped frame, first clamping pieces which are mutually crossed are hinged to the first U-shaped frame, toggle pins are arranged on the first clamping pieces in a sliding and penetrating mode, clamping plates are fixed to one ends of the toggle pins, springs are arranged between the clamping plates and the first clamping pieces, the first U-shaped frame is sleeved with first sliding sleeves, and first pulling ropes are connected to the first sliding sleeves; the second U-shaped frame is hinged with second clamping pieces which are crossed with each other, a second reset spring is arranged between the two second clamping pieces, and the second clamping pieces are provided with cutting edges, so that the problems of low manual pulling efficiency, high labor intensity, high efficiency and the like when the solidago canadensis is cleaned at present are solved. And the cleaning effect is influenced by scattering of flower seeds due to large disturbance on the solidago decurrens.

The invention provides an invasive plant solidago canadensis automatic detection method and device, and a storage medium, and the method comprises the steps: building a training data set, obtaining a target species image through the remote sensing of an unmanned plane, and generating a training sample through image processing and data enhancement; constructing a detection network, including replacing an original module in a target detection network with an improved feature extraction module to form a multi-stage cascade backbone network; the improved feature extraction module sequentially comprises a redundant feature generation unit, a gradient enhancement unit and a channel adjustment unit; and training the target detection network, and then executing detection, including inputting the to-be-analyzed image to the trained target detection network to obtain an automatic detection result of the invasive species. The invention provides a lightweight feature extraction module which is used for resource-limited scenes such as unmanned aerial vehicle remote sensing image invasive species detection.

The present invention relates to a chemical sterilization composition or preparation for Solidago canadensis, and its preparation method and application. The chemical sterilization composition comprises bensulfuron-methyl, amiloride, and laundry detergent; the concentration of bensulfuron-methyl is 50-150 mg / L; the concentration of amiloride is 360-600 mg / L; and the concentration of laundry detergent is 1-10 g / L. The application comprises spraying the composition on the top of the Solidago canadensis plant during its budding stage, causing the seeds of the Solidago canadensis to be sterilized, effectively blocking the spread of its seeds. The method is suitable for mechanized operation, has high efficiency, and low cost, and has a good effect of cutting off the reproduction and spread of Solidago canadensis seeds, making it easy to promote and apply.

The invention discloses a near-nano carbon-based material for function recovery and carbon fixation capability improvement of alien plant invasion damaged soil and a preparation method of the near-nano carbon-based material, and belongs to the technical field of soil remediation and carbon fixation and sink increase. The near-nano carbon-based material is prepared by the following steps: by taking an external invasive plant Canadian yellow flower stalk as a raw material, crushing, screening, mixing with water, carrying out hydrothermal reaction to obtain a hydrothermal carbonization product, and carrying out ball milling and screening treatment to obtain the near-nano carbon-based material. The obtained near-nano carbon-based material has a high-aromaticity carbon skeleton, a rich mesoporous-macroporous structure and a relatively high amorphous silicon content, can efficiently adsorb and passivate residual allelochemicals of solidago canadensis, reconstruct an aggregate structure, promote microbial diversity and key enzyme activity recovery, strengthen organic carbon-mineral bonding and improve the stability of the material. Therefore, invasion-induced multifunctional soil degradation is accurately reversed, and in-situ remediation of the soil structure and function and improvement of the carbon immobilization capacity are achieved. Experimental results show that the carbon-based material provided by the invention can increase the multifunctional index of invasion-induced damaged soil by about 560% and increase the carbon sequestration index by about 48.1%.

The invention discloses a fungus carbon composite filler, an artificial wetland-microbial electrochemical coupling system and a method for treating acid mine wastewater by using the artificial wetland-microbial electrochemical coupling system. The system comprises an artificial wetland device and a microbial electrochemical device. The constructed wetland consists of wetland plants, gravels, pyrite and a bacterial carbon composite filler containing zero-valent iron; the microbial electrochemical device comprises an air cathode, a cathode, an anode, an external resistor and a solar power supply device. The bacterial carbon composite filler containing zero-valent iron is formed by compounding zero-valent iron biochar prepared by co-pyrolysis of AMD sludge and an invasive species solidago canadensis and SRB. According to the system, heavy metal fixation, sulfate reduction and pH regulation are realized through the synergistic effect of the wetland plants, the charcoal composite filler and the electrochemical device. The device has the advantages of high treatment efficiency, high stability, low operation cost, environmental friendliness and the like, and is suitable for engineering application of AMD treatment in mining areas.

The invention discloses a fungicide and herbicide compound composition and application thereof. The compound composition comprises any one herbicide and any one fungicide. The herbicide is prepared from glyphosate, fluroxypyr, clopyralid, picloram, sulfometuron methyl, MCPA (2-methyl-4-chlorophenoxyacetic acid) and dicamba; the fungicide is prepared from mancozeb, tebuconazole and carbendazim. According to the invention, the fungicide and the herbicide are combined according to a specific ratio, so that a remarkable synergistic interaction effect is shown. During implementation, the fungicide is firstly applied to soil, then the herbicide is sprayed, the fresh weight inhibition rate of solidago canadensis can be increased to 90% or above, the regeneration inhibition rate exceeds 85%, and the dosage is reduced by 33%-50% compared with the dosage of a single herbicide. The compound composition can effectively overcome the drug resistance of target weeds and reduce the environmental load of chemical agents, has the advantages of lasting prevention and control effect, low application cost and safety to associated plants, and provides an innovative solution for treatment of invasive plants.

The invention belongs to the technical field of biological control, and particularly relates to a solidago canadensis precise pesticide application method based on a color-density model, which comprises the following steps: S1, shooting a typical sample plot of a plant in a flowering period by using a camera, extracting a golden yellow color area through image segmentation, and counting the area of a flower area, dividing a high-density area, a medium-density area and a low-density area according to the area of the pattern area; s2, an agricultural unmanned aerial vehicle provided with an image collecting and processing module is used for spraying, the agricultural unmanned aerial vehicle recognizes the density grade of the solidago canadensis in the spraying area firstly, and then the pesticide application amount is adjusted according to the density grade. According to the method, a color-density model is constructed by analyzing the strong correlation between the area ratio and the density of the golden yellow flower region in the flowering period of the solidago canadensis, targeted abortion is realized by utilizing biological enzymes fermented by mixed materials such as the solidago canadensis, and the limitation of a traditional technology is broken through.

This invention discloses a method for controlling Canadian goldenrod, belonging to the field of biological control technology. The method includes: physical tilling combined with chemical spraying during the seedling stage; tilling followed by application of biological herbicides during the vegetative growth stage; spraying flower bud inhibitors to suppress seed formation during the flowering stage; and physical removal during the seed maturation stage. This invention employs a phased, multi-pronged, synergistic comprehensive control strategy, targeting the biological characteristics of Canadian goldenrod at different growth stages, and combining chemical, biological, and physical methods to achieve highly efficient, long-lasting, and environmentally friendly control effects. This significantly reduces problems such as herbicide resistance, high recurrence rates, and environmental pollution caused by single-method control.

The invention discloses a Wolfiporia cocos YX2 which is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number of the Wolfiporia cocos YX2 is CCTCC NO: M 2025758. The invention also discloses a cultivated species culture medium of the Wolfiporia cocos YX2. The cultivated species culture medium is prepared from the following raw materials in parts by weight: 15 to 20 parts of a main material, 4 to 6 parts of solidago canadensis, 0.8 to 1.2 parts of a carbon source, 0.2 to 0.3 part of a calcium source, 0.04 to 0.06 part of a potassium source and 0.04 to 0.06 part of a mildew preventive. The invention further discloses application of the poria cocos fungus YX2 and the cultivated species culture medium in poria cocos cultivation. The invention further discloses a cultivation method of the poria cocos fungus YX2. The poria cocos fungus YX2 disclosed by the invention is good in quality and high in poria cocos fruiting rate.

The invention belongs to the technical field of biological control, and particularly relates to a solidago canadensis control method based on gradient pesticide application, which comprises the following steps of: dividing solidago canadensis into three stages, namely a seedling stage, a growth stage and a flower bud differentiation stage according to plant height; biological enzyme herbicides with corresponding concentrations are prepared and applied according to different grades of solidago canadensis, and the biological enzyme herbicides comprise solidago canadensis biological fermentation liquor. According to the method, the solidago canadensis is graded according to the sensitivity difference of the solidago canadensis in different growth stages to the pesticide, and then gradient pesticide application is carried out, so that the use efficiency of the pesticide is improved.

The invention provides a three-in-one efficient solidago canadensis prevention and treatment method with seasonal pertinence, which comprises the following steps: firstly, cutting an overground part in a full-bloom stage or before autumn, and spraying glyphosate in spring to prevent residual seeds in a soil seed bank from germinating; then, in winter, benomyl is applied to break interaction of arbuscular mycorrhizal fungi and solidago canadensis, and after overground branches germinate in spring, a glyphosate solution is sprayed to leaves; and finally, after the overground part is withered, removing residual vigorous subterranean stems to prevent recurrence in the next year. According to the method, invasion weed prevention and control are carried out by trinity comprehensive utilization of physical, chemical and biological prevention and control methods and combination of growth characteristics of plants and microorganisms in different seasons from seed diffusion of solidago canadensis, overground plants and interaction relation between subterraneous stems and soil microorganisms, the prevention and control effect is excellent, the cost and labor force can be reduced, and the method is suitable for large-scale popularization and application. The prevention and treatment effect is long-term and relapse is difficult.

The embodiment of the invention provides a pomacea canaliculata killing agent as well as a preparation method and application thereof. The pomacea canaliculata killing agent is prepared from the following raw materials in percentage by weight: 25%-50% of niclosamide liquid and 50%-75% of solidago canaliculata grinding liquid, the concentration range of the niclosamide liquid is 1-2 mg.L <-1 >, and the concentration range of the solidago canaliculata grinding liquid is 0.5-50 g.L <-1 >. The pomacea canaliculata killing agent provided by the embodiment of the invention can be used for killing pomacea canaliculata, and meanwhile, the killing efficiency is ensured, the toxicity is reduced, the influence on the environment is reduced, and the cost is reduced.

The invention belongs to the technical field of biological control, and particularly relates to a mixed biological leaching solution and a preparation method and application thereof.The preparation method comprises the steps that S1, raw material treatment is conducted, specifically, solidago canadensis, ageratum conyzoides, scandent hop and black walnut roots are selected as plant raw materials, the plant raw materials are cut into pieces and then subjected to high-pressure sterilization, water is added, and mixing is conducted to obtain a mixture; s2, the mixture is soaked for 48-72 h under the environment condition of 20-30 DEG C, and an extraction stock solution is obtained; and S3, centrifuging the leaching stock solution, taking supernate, and filtering to obtain the mixed biological leaching solution. The mixed biological extract prepared by the invention can be used for preventing and treating seed germination, seedling growth and flowering processes of solidago canadensis, and can also be used for preparing a product for preventing and treating solidago canadensis. The problem that a biological medicament for preventing and treating solidago canadensis is lacked at present is solved.