102 results about "Phytotoxicity" patented technology

The invention belongs to the technical field of pesticide compositions, and particularly provides a weeding composition containing topramezone or salt thereof, which comprises topramezone or salt thereof, agriculturally acceptable auxiliaries and biostimulant, the biostimulant is complex enzyme glycoside. The topramezone composition does not cause phytotoxicity to crops such as corn when used under the high-temperature condition, the use environment of topramezone is widened, and the topramezone composition can be used as a safe herbicide composition for field crops such as corn under the high-temperature condition in summer. Through further screening of auxiliaries, the weeding composition provided by the invention can improve the mixing performance of the preparation, has strong hard water resistance, is beneficial to plant absorption, improves the weeding effect, and is a safe and efficient herbicide preparation.

The invention relates to the field of pesticide preparations, and discloses a sterilization composition containing tetramycin and Saisentong as well as a preparation method and application of the sterilization composition. Tetramycin and Saisentong serve as active components of the composition, and a dual-structure composite lignin derivative system serves as a functional carrier; the system is composed of high-molecular-weight modified lignosulfonate and specific lignin phenol fragments with low polymerization degree. The high-molecular-weight component forms a physical barrier on the surfaces of active component particles, so that the storage stability and the application safety of the preparation are improved; the low-polymerization-degree component can be degraded by an extracellular enzyme secreted by citrus canker pathogen, so that the targeted release of the active component at the focus is realized. The composition disclosed by the invention effectively reduces the decomposition rate of the active components and the phytotoxicity risk to crops, and meanwhile, the field control effect on the citrus canker is remarkably improved. The composition provides an efficient and safe new choice with a targeting effect for chemical prevention and treatment of citrus canker.

The invention discloses a compound herbicide and a preparation method thereof and relates to the technical field of pesticides. The compound herbicide is compounded by taking rimsulfuron, pyroxsulam and fluroxypyr-mepthyl as effective components and supplementing a safener, a surfactant, an emulsifier, a stabilizer and a solvent. The action mechanisms of the three active ingredients are complementary and synergistic, and annual gramineous weeds and broadleaf weeds in a corn field can be effectively prevented and removed. Through scientific compounding, the application dosage of a single component is remarkably reduced, pesticide residues in the environment and crops are reduced, meanwhile, potential phytotoxicity to the crops is effectively relieved by adding the safener, and the bactericidal composition has the advantages of being efficient, safe and environmentally friendly.

The invention discloses an application of 2-amino-3-indolyl butyric acid as a plant phytotoxicity alleviator. According to the application of the 2-amino-3-indolyl butyric acid in the preparation of the plant phytotoxicity alleviator, the concentration of the 2-amino-3-indolyl butyric acid in the preparation is 10-1000 nM. The 2-amino-3-indolyl butyric acid is found to be capable of effectively relieving plant phytotoxicity through seed soaking treatment, and the yield of plants is increased. Under the concentration of 1000nM, the damage of the fluridine.pentus.fenitrothion and the fenitrothion .ethylicin to the rice seeds is relieved in a seed soaking manner, so that the purpose of strengthening the seedlings is achieved; when the concentration is 100 nM, the pesticide damage of isoproturon to wheat seeds can be relieved, and the germination rate, bud length and root length of the wheat seeds are remarkably increased. The 2-amino-3-indolyl butyric acid is a natural product, is low in dosage and environment-friendly, and can effectively relieve plant phytotoxicity, so that the 2-amino-3-indolyl butyric acid is a green and efficient biological source plant phytotoxicity alleviator.

The application discloses a triazine herbicide propoxur degrading bacterial strain and application thereof, the bacterial strain is SWFU-DH02 strain which is negative in gram staining reaction and is identified as Microbacterium sp. Exiguobacteruim sp. ) on November 22, 2021, and is deposited in the China General Microbiological Culture Collection Center, and the strain preservation number is CGMCC No. 23948. The application discloses, for the first time, the degradation effect of Microbacterium sp. Exiguobacteruim sp. ) on triazine herbicide propoxur, and a Microbacterium sp. high-efficiency degrading bacterium SWFU-DH02 is screened, the degradation efficiency of the bacterium on propoxur can reach 75.08%, and the bacterium grows optimally under the conditions of pH 7.0, temperature 28 DEG C and salt concentration 1%. The degrading bacterial strain SWFU-DH02 has the characteristics of simple culture, rapid growth and high efficiency of degradation. The application can solve the pollution problem of triazine herbicide propoxur in soil or water, prevent the phytotoxicity of herbicide residues on subsequent crops, and produce non-toxic and non-polluting green agricultural products. The application provides a new biological approach for modern pesticide pollution control.

This invention discloses a method for low-carbon and high-efficiency organic fertilizer production through tiered oxygen supply composting. This invention uses a compound microbial agent as its core, achieving simultaneous breakthroughs in compost maturity and fertilizer efficiency. By precisely delivering targeted compound microbial agents in stages and coupling them with a tiered oxygen supply strategy, this invention directionally regulates the structure and function of the microbial community, significantly improving organic matter conversion efficiency and the degree of humification. The final product shows a significant increase in organic matter content of 31%, and the seed germination index increases from 71% to 89%, demonstrating its excellent effects in thorough composting and eliminating phytotoxicity. In pot experiments, the biomass of maize plants increased by approximately 97%, further verifying the significant promoting effect of high-quality DOM (dominant organic matter) formed by functional microbial agents on fertilizer efficiency.

The present application belongs to the technical field of herbicide safener, and particularly relates to the use of chlorindole hydrazide as a herbicide safener, chlorindole hydrazide as a safener of nicosulfuron, carfentrazone-ethyl, benzenesulfonamide and quizalofop-p-ethyl, which can relieve or eliminate the crop phytotoxicity caused by the above herbicides, and is applied after or before the crop phytotoxicity is caused. The application amount of chlorindole hydrazide (converted into the original drug) is 1-2 g / mu, the mass concentration of chlorindole hydrazide is 0.00667-0.01333% when applied, and a very good control effect can be achieved.

The invention provides application of mineral oil in improving the control effect of a copper preparation on broccoli black rot and relieving phytotoxicity, and belongs to the technical field of plant disease control. According to the invention, a 200-fold diluent of 99% mineral oil and a 200-800-fold diluent of 30% copper oxychloride suspending agent are compounded according to a ratio of 1: 1 to prepare a compound medicament, and the compound medicament can be applied to prevention and treatment of black rot of broccoli; the prevention and control method comprises the step of spraying the compound pesticide on leaf surfaces. The mineral oil and the copper oxychloride suspending agent are compounded to generate a synergistic effect, so that the prevention and treatment effect on the broccoli black rot is improved, the phytotoxicity caused by copper preparation stress is reduced, and the composition is resistant to rain wash, long in lasting period and suitable for efficient and green prevention and treatment of the broccoli black rot.

The invention discloses a preparation method and a preservation method of an FA-Se-coated SNCsNPs / starch / gelatin composite film, and the preparation method comprises the following steps: (1) synthesizing selenium nanoparticles (SeNPs) through a chemical method by taking Vc as a reducing agent and sodium selenite as a selenium source; (2) preparing selenium nanoparticles (Se (at) SNCsNPs) loaded on starch nanocrystals (SNC); (3) adding ferulic acid into the product obtained in the step (2) to prepare composite nanoparticles (FA-Se-SNCsNPs) with a synergistic interaction effect; (4) adding the nanoparticles prepared in the steps (1), (2) and (3) as a filler into a starch / gelatin composite matrix membrane solution; and (5) smearing each coating liquid on the Zaosu pears for preservation. According to the method, the stability of the selenium nanoparticles is realized, the oxidation resistance of the selenium nanoparticles is improved, and the phytotoxicity of precipitation or aggregation caused by unstable particles on the Zaosu pears is avoided in the process of prolonging the quality of the harvested Zaosu pears.

The invention discloses a whole-cycle green comprehensive management method for waxberries, and belongs to the technical field of agricultural planting. According to the method, the compound microorganism fertilizer is applied underground, mineral oil is continuously sprayed on the ground in multiple growth stages to prevent and control aphids, whiteflies and scale insects, and multiple biostimulant combinations are accurately sprayed in the key phenological stage to comprehensively improve the quality of leaves and fruits. And the problems of demulsification, flocculation and phytotoxicity of mineral oil caused by water hardness in traditional mixing are effectively solved through an innovative barrel mixing process. According to the method, three technical means are systematically integrated to form a synergistic green management system, the problems that in traditional waxberry planting, chemical pesticide dependence is high, and the contradiction between pest control and quality improvement is prominent are effectively solved, and efficient, high-quality and sustainable development of waxberry production is achieved.

This invention belongs to the field of ecological environment monitoring technology and relates to a multi-level bioindicator method for the effective phytotoxicity of heavy metal-like substances / heavy metals. The method includes the following steps: S1. Obtaining plant samples affected by the soil or water body to be tested; S2. Measuring the activity of superoxide dismutase (SOD), gibberellin (GA), and chlorophyll content in the plant samples; S3. Based on the measured results of SOD activity, plant hormone content, and chlorophyll content, and their changes over time, classifying and assessing the effective phytotoxicity effects of heavy metal-like substances or heavy metals. This invention is the first to propose a unified three-level bioindicator method (SOD activity, GA hormone, and chlorophyll) that can effectively reflect soil pollution levels for typical heavy metal-like substances / heavy metals present in the actual environment, enabling a simpler assessment of the degree of heavy metal pollution in actual soil.

The application relates to the technical field of plant protection, in particular to application of ferroptosis inhibitor-1 in preparation of a toxitant inhibitor of mycotoxin and a pesticide composition. The application finds that the ferroptosis inhibitor-1 can significantly improve the tolerance of plants to mycotoxin poisoning, has the effect of relieving the plants from mycotoxin poisoning, and helps the plants and seeds to normally germinate and grow under the condition of high-concentration mycotoxin.

The invention relates to bromine- or iodine-para-substituted [(1,5-diphenyl-1H-1,2,4-triazol-3-yl)oxy]acetic acid derivatives and their salts, to agents for protecting useful plants or crop plants comprising them, to methods for producing them and to their use as safeners. The present invention relates to protection compounds and agents for useful plants, which compounds and agents comprise specific compounds as safeners for reducing phytotoxic effects of agrochemicals, especially herbicides. The invention relates more particularly to bromine- or iodine-para-substituted [(1,5-diphenyl-1H-1,2,4-triazol-3-yl)oxy]acetic acid derivatives of the general formula (I) and their salts, to methods for producing them and to the their use as protection compounds (safeners) for useful plants.

The invention relates to the technical field of pesticides, in particular to mesotrione soluble liquid as well as a preparation method and application thereof. The mesotrione suspending agent comprises the following components in percentage by mass: 5-40% of mesotrione technical, 5-30% of a solvent, 3-20% of a surfactant, 1-10% of an antifreeze agent, 0.3-3% of a pH regulator and the balance of deionized water. According to the invention, the solubility of mesotrione is improved by selecting proper solvent, antifreezing agent and surfactant and reasonable proportion, so that the soluble liquid with high stability and high drug effect is prepared. The mesotrione soluble liquid can be applied to prevention and removal of weeds in uncultivated land and cultivated land, and does not cause phytotoxicity to crops. The herbicide is an agricultural herbicide which is good in weeding effect, simple in production process and free of environmental pollution.

The present application provides a kind of herbicide composition for anti-benzoxyacetone phenoxy acid double oxygenase inhibitor and the herbicide safener containing quinoline structure;The herbicide composition prepared by the present application can reduce the phytotoxicity of herbicide to gramineous crops such as wheat, rice and millet without affecting the efficacy of herbicide;For three different gramineous crops such as wheat, rice and millet, the composition of the present application is significantly better than the composition for reducing the phytotoxicity of herbicide to rice and millet in reducing the phytotoxicity of herbicide to wheat.

The application discloses a plant growth regulator and application thereof in relieving imazamox herbicide injury to rice. The main components of the plant growth regulator include leucine, isoleucine and valine, and the plant growth regulator is combined with imazamox in a certain application mode and proportion, and is sprayed on rice seedling leaves, so that the effect of relieving imazamox herbicide injury is better than that of the commonly used protective agent, namely, bihuhu or brassinolide on the market, and the herbicide effect of the herbicide is not affected. The application also clearly defines the application conditions of the safety agent, and is a plant growth regulator which can effectively relieve imazamox herbicide injury to rice and does not reduce the herbicide effect on weeds.

The embodiment of the invention provides a crop phytotoxicity detection method and device and a storage medium. The method comprises the following steps: acquiring a multispectral image of crops in a planting area; carrying out splicing processing on the multispectral images to respectively obtain an RGB image, an NDVI image and a GNDVI image of the crop; extracting texture features of crops from the RGB image; performing deconvolution processing on the texture features to obtain plant pattern spots and a current growth period of the crops; determining a growth feature matrix of the crops according to the NDVI image and the GNDVI image; the phytotoxicity degree of the crops is determined according to the plant pattern spots, the current growth period and the growth vigor characteristic matrix, so that phytotoxicity detection of the crops is more accurate.

The present application relates to the technical field of pesticides, in particular to a herbicidal composition containing dichloroisoxyfluorfen and mesosulfuron-methyl and application thereof, wherein the weight ratio of dichloroisoxyfluorfen to mesosulfuron-methyl in the composition is 1:0.004-1.5. The composition can significantly reduce the phytotoxicity of herbicides on crops and has a synergistic effect on weeds, and is an ideal herbicide.

The invention provides a quinoline derivative compound as well as a preparation method and application thereof. The structural formula of the quinoline derivative compound is shown in the specification. The quinoline derivative compound shows remarkable safener activity at a low application dosage, can effectively relieve phytotoxicity of herbicides to crops, shows a good detoxification effect, and remarkably promotes growth recovery of the crops. Compared with existing safeners such as cyclopropanesulfonamide and the like, the quinoline derivative compound disclosed by the invention has higher safety and more excellent detoxification efficiency, particularly has an outstanding relieving effect on crop phytotoxicity caused by p-hydroxyphenylpyruvate dioxidase inhibition herbicides, and can guarantee normal growth and development of crops.

The invention relates to the technical field of agricultural chemistry, and discloses an application of an N-[3-(5-methoxy-2-(substituted phenyl)-1H-indole-1-yl) propyl] acetamide compound, and the N-[3-(5-methoxy-2-(substituted phenyl)-1H-indole-1-yl) propyl] acetamide compound can significantly reduce the phytotoxicity of acetochlor and other herbicides to crops, and has a good application prospect. Meanwhile, an excellent weeding effect is kept, and the weeding composition can be well applied to herbicide safeners. In addition, the invention also discloses a weeding composition.

This invention discloses a method for purifying carbon black from alkaline industrial waste residue, belonging to the field of solid waste resource utilization and carbon material purification technology. This method achieves high-purity carbon black recovery through a multi-stage synergistic process of "CO2 carbonization regulation – flotation separation – acid washing purification". Ammonia is removed by bubbling stripping, and CaCO3 precipitate is generated by the reaction of CO2 gas with Ca(OH)2. The pH of the slurry is adjusted to 7-9 to improve the flotation environment. A combination system of collector, frother, and inhibitor is used to selectively enrich carbon phase particles. The concentrate obtained from flotation is subjected to two-step acid leaching with hydrochloric acid and hydrofluoric acid to remove metal oxides and silicate impurities, resulting in a carbon content exceeding 99%. This method combines alkali reduction, phytotoxicity removal, and purification functions. The process is simple, low-pollution, and suitable for the resource utilization of carbon black from alkaline waste residue.

This invention discloses an AI-driven method for precise control of the oriental fruit moth during its growth stages, belonging to the field of crop pest and disease control technology. Addressing the shortcomings of poor targeted control, extensive pesticide application, and lack of precise decision-making and closed-loop optimization in peach orchards in the Jiangsu and Zhejiang regions, this invention constructs a four-dimensional feature library containing crop, pest, environment, and control methods (each dimension labeled with plant protection-related weights). Through a multimodal AI model fusing visual, sensor, and phenological data, it achieves precise determination of the oriental fruit moth throughout its entire growth stage (accuracy ≥95%). Using weighted collaborative filtering and the NSGA-III multi-objective optimization algorithm, it dynamically matches the optimal combination of microemulsion pesticides, physical control, and auxins, meeting the targets of control efficacy ≥85%, pesticide reduction ≥30%, cost ≤15 yuan / mu, and phytotoxicity rate ≤0.5%. A closed-loop system is formed through a field efficacy feedback iterative model and the feature library. This method improves peach yield and quality, reduces pesticide residues and costs, is suitable for the climate of Jiangsu and Zhejiang, and has broad application prospects.

This invention provides a herbicide-degrading microbial agent containing Bacillus belyceta var. cylindrica XY04-1, which can establish a rhizosphere protective barrier during the rice seed germination stage, forming a nicosulfuron degradation zone. This effectively relieves the phytotoxicity of nicosulfuron to rice, while having no effect on the efficacy of penoxsulam. This unlocks the herbicidal potential of penoxsulam-nicosulfuron compound, reducing the risk of phytotoxicity to rice while also increasing rice yield.

The present application relates to the field of plant functional materials, and specifically provides a kind of plant night long-lasting luminescent nanohydrogel composite material and preparation method.The composite material is first coated by phosphate on SrAl2O4:Eu 2+ ,Dy 3+ Long afterglow powder;Second, polyurea nanonet reinforced gelatin-glycerol-borax ultrathin hydrogel carrier is prepared;Finally, the coated powder is uniformly dispersed in hydrogel to form a composite functional material.The present application realizes the uniform diffusion and long-term fixation of long afterglow powder in plant body, and after short excitation by natural light or indoor light, the plant can emit light stably for 2-4h at night, the light intensity retention rate is more than 80% for 15 consecutive days, and has no adverse effect on normal growth of plant, the fluctuation of key physiological indicators such as chlorophyll is less than 5%, which breaks through the bottleneck of short light-emitting time, poor uniformity and high plant toxicity of traditional technology.

The invention discloses a nano-selenium foliar fertilizer capable of rapidly increasing the selenium content of wheat and a preparation method of the nano-selenium foliar fertilizer, and belongs to the technical field of agricultural planting. The nano-selenium leaf fertilizer consists of the following components: 0.3-0.8 mM of nano-selenium, 0.1%-1% (m / v) of attapulgite irradiated by electron beams, 0.35-1.4% (m / v) of bacillus metabolite and the balance of water. The method has the beneficial effects that compared with the prior art and the traditional inorganic selenium fertilizer, the toxicity of nano-selenium is lower, and the damage to plants is smaller. In the use process, even under the condition of relatively high concentration, phytotoxicity to plants is not easy to generate; meanwhile, the nano-selenium is extremely small in particle size, is at a nano level and has a relatively large specific surface area, so that the nano-selenium can more easily penetrate through cuticles and cell walls on the surfaces of wheat leaves, and can be quickly absorbed and utilized by the wheat, the efficiency of supplementing the selenium element for the wheat is higher, and the selenium-rich wheat fertilizer is more environment-friendly.

This invention discloses a method for reducing the phytotoxicity of PFAS by regulating its nanomorphology, belonging to the field of environmental pollutant speciation regulation and risk control technology. The method includes: extracting dissolved organic matter (DOM) from soil or compost products, preparing a DOM solution, and treating PFAS-contaminated media with the DOM solution. The initial form of PFAS in the contaminated media includes molecular form. DOM acts as an interface template and reaction medium, inducing the molecular PFAS to form nanoclusters, thereby reducing the toxic effects of PFAS on plants in the contaminated area. This invention transforms molecular PFAS into a nanocluster form with significantly different physical size and surface properties. This form can be effectively blocked on the plant root surface, significantly reducing translocation into the plant, thus mitigating the phytotoxicity of PFAS from its morphological source. This invention has greater environmental compatibility and potential cost advantages, and has good application prospects.

The present invention relates to crop protection compounds and to compositions comprising certain compounds as safeners for reducing the phytotoxic effects of agrochemicals, in particular herbicides. More specifically, the present invention relates to certain [(1-phenyl-5-(heteroaryl)-1H-1,2,4-triazol-3-yl)oxy]acetic acid derivatives of general formula (I) and salts thereof, to processes for their preparation, and to their use as crop protection compounds (safeners).

A pesticidal emulsifiable concentrate with widened spectrum of action on plurality of pest insects comprising bio-effective synergistic amount of Dimethoate active content particularly in an amount ranging from 15% to 25% weight percent ratio and Cypermethrin active content particularly in an amount ranging from 1.0 % to 10.0% weight percent ratio with respect to the said emulsifiable concentrate, along with particular agriculturally acceptable adjuvants in particular amounts. The present invention is also related to a process for the preparation of said synergistic Emulsifiable concentrate composition and in further use having significant broad agrochemical utility in many crops, without causing phytotoxic damage to any part of the plant, non-toxic and environmentally harmonious &. safe to natural enemies.

The present application provides a pesticide bactericide containing d-limonene, the active ingredient of the pesticide bactericide is d-limonene and copper oxide, and the mass ratio of d-limonene and copper oxide is 7-27:20-44. The present application selects d-limonene and copper oxide for compounding, and the two can produce a synergistic effect, thereby making the prepared pesticide bactericide have good bacteriostatic and bactericidal effects, and have a larger control spectrum, especially for wheat basal stem rot. And the test crop wheat is safe, and no phytotoxicity symptoms are found.

The invention discloses a composite herbicide containing halauxifen-methyl and pyraclonil and a preparation method thereof, and belongs to the technical field of herbicides. The preparation method of the composite herbicide comprises the steps of preparation of an oil phase, formation of a microemulsion, preparation of an organic phase loading unit, construction of a core-shell structure and post-treatment, the core of the obtained composite herbicide adopts a microemulsion micelle containing halauxifen-methyl, and the outer layer is a quaternized cyclodextrin shell layer loaded with pyraclonil and a synergist. The composition of the active components of the two herbicidal drugs can significantly improve the weed control effect, realizes rapid contact killing and eradication of weeds, and expands the types of weeds to be controlled. The core-shell structure can control the release speed of the halauxifen-methyl, so that the lasting period is ensured, the phytotoxicity risk of a concentration peak value is avoided, the weed killing speed of the compound herbicide is increased, the safety of the herbicide is greatly improved, and the compound herbicide with high prevention and removal efficiency and high safety is obtained.