335 results about "Phytotoxicity" patented technology

The invention relates to a fluxazole amide composition and a preparation method thereof. More specifically, the present invention relates to synergistic compositions of fluoxazole amides and methods of preparing stable and non-phytotoxic formulations, the synergistic composition comprises fluoxazole amide or an agrochemically acceptable salt thereof, an insecticide selected from diamides, at least one or more compounds selected from insecticides, fungicides and plant health additives, and an agrochemically acceptable excipient. The invention further relates to pesticidal compositions for controlling harmful pests in plants, which can be formulated, are environmentally safe, exhibit high efficacy, and act on disease resistance management or delay the development of disease resistance by employing a variety of modes of action, plant tolerance against insect pests, mites, fungal and bacterial diseases and abiotic stress is increased and the overall health and vigor of the treated plant is improved.

The invention discloses an application of a CsESE3 gene or a protein coded by the CsESE3 gene in regulation and control of plant shoot development, and belongs to the technical field of plant genetic engineering. Traditional citrus crossbreeding is long in period of cultivating ideal plant type plants, low in selection efficiency and few in selectable cultivation characters. Manual shoot control is high in labor cost, and chemical shoot control has the risk of phytotoxicity. Aiming at the technical problems, the invention provides a new scheme for regulating and controlling the development of citrus branch tips based on CsESE3 gene expression: the development of the branch tips is obviously promoted after the expression of the CsESE3 gene is improved, so that the CsESE3 can become a target spot for regulating and controlling the development of the citrus branch tips.

The invention discloses a special growth regulator for pepper based on compounding of propionyl brassinolide and amino-oligosaccharin and application of the special growth regulator, and belongs to the technical field of agricultural biology. According to the regulating agent, 0.0008 to 0.0012 percent of propionyl brassinolide and 2.95 to 3.05 percent of amino-oligosaccharin are accurately matched with each other. The formula breaks through the contradiction between the root promotion requirement of high-dose amino-oligosaccharin and the safety threshold of low-dose brassinolide, and overcomes the phytotoxicity risk of the traditional dosage form. The regulator prepared by the invention can enhance the growth vigor of the pepper, improve the product and quality of the pepper, and also can effectively prevent viral diseases of the pepper.

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 technical field of pesticides, in particular to a pesticide composition capable of protecting flowers and fruits, a preparation and application of the pesticide composition. The effective components of the pesticide composition are sodium p-chlorophenoxyacetate and furfurylaminopurine, and the mass ratio of the sodium p-chlorophenoxyacetate to the furfurylaminopurine is (0.5-10): 1. According to the pesticide composition, sodium p-chlorophenoxyacetate and furfurylaminopurine are compounded, the prepared pesticide composition can improve the flower and fruit retention effect of plants, the yield per mu is increased, the fruit quality is guaranteed, and the pesticide composition is free of phytotoxicity and wide in adaptability.

The invention relates to the technical field of pesticides, in particular to a pesticide composition capable of protecting flowers and fruits, a preparation and application of the pesticide composition. The effective components of the pesticide composition are sodium p-chlorophenoxyacetate and thidiazuron, and the mass ratio of the sodium p-chlorophenoxyacetate to the thidiazuron is (1.25-25): 1. The compounding effect of the pesticide composition can improve the flower and fruit retention effect of plants and improve the crop quality, and the pesticide composition is free of phytotoxicity and wide in adaptability.

Combinations of agents for preventing, treating, or controlling unwanted plants and methods of their use are provided. The combinations comprise at least one ascaroside (or a derivative or analog of an ascaroside) with at least one insecticide. The ascaroside can be combined with at least one insecticide to lessen the phytotoxic effects of the insecticide on the treated crop while simultaneously killing unwanted plants in the applied area. The ascarosides and insecticides may be provided in the same composition or may be applied together (i.e., substantially simultaneously) or sequentially.

The present invention belongs to the field of plant growth regulators, and specifically relates to a fruit coloring composition, a fruit coloring functional fertilizer and their applications. The fruit coloring composition comprises 1-aminocyclopropane carboxylic acid and a protective auxiliary agent, and the mass ratio of 1-aminocyclopropane carboxylic acid to the protective auxiliary agent is 1:0.1 to 200; the protective auxiliary agent is selected from 5-aminolevulinic acid, diethyl aminoethyl hexanoate or choline chloride. The present invention first discloses the use of protective auxiliary agents such as 5-aminolevulinic acid, which can effectively improve the adverse effects when ACC is applied alone, such as high dosage for coloring, easy to cause negative phenomena such as plant defoliation, fruit cracking, fruit drop and quality decline. When the effective application dosage is only 0.05 to 2.5 ppm, excellent coloring effect can be achieved. At the same time, the safety of exogenous application of ACC is effectively improved, and the planting effect of fruit and vegetable crops can be improved in aspects such as preventing fruit drop, increasing fruit sweetness, reducing phytotoxicity, and relieving the growth inhibition of stems, leaves and fruits.

The invention discloses a method for preventing and treating potato scab. The method comprises the following steps: irrigating a planting field with peel fermentation liquid, deep ploughing, irrigating the field with peel fermentation liquid, and continuously drip irrigation for several days, so that the pathogens of potato scab remaining in the surface and deep layers of the soil can be effectively eliminated, and the infection probability of seed potatoes can be reduced. The seed potato tubers are soaked with the peel fermentation liquid, so that the infection resistance of the seed potato tubers can be improved, the incidence rate and disease index of potato scab can be effectively reduced, and the utilization rate of potato tubers can be improved. The peel fermentation liquid is continuously dripped from the budding stage to the third of the flowering stage and the young potato swelling stage, so that the pathogens around the young potatoes can be killed on the one hand to protect the young potatoes, and the nutrition for the plants can be supplemented on the other hand to enhance the immunity of the plants, so that the incidence rate and disease index of potato scab can be further reduced, and the potato yield can be improved. The continuous use of the peel fermentation liquid has no drug resistance and will not cause drug damage, and the economic benefit is high.

The invention discloses modified biochar as well as a preparation method and application thereof, and belongs to the technical field of aerobic composting additives, the preparation method of the modified biochar comprises the following steps: adding corn straw biochar into a Na2HPO4 solution according to a solid-to-liquid ratio of 1g: (5-10) mL by adopting an impregnation method, adjusting the pH value of a mixed system to 10.8-11.2 by adopting an alkali liquor, and stirring to obtain a mixed solution; then carrying out magnetic stirring reaction, and after the reaction is finished, carrying out centrifugal separation, washing and drying to obtain the modified biochar. The prepared modified biochar is used as an aerobic composting additive, so that greenhouse gas emission can be remarkably reduced, nitrogen retention and compost nutrient content are improved, compost maturity is promoted, plant toxicity is reduced, and a microbial community structure is directionally regulated and controlled. According to the invention, the functionality of the biochar is enhanced through chemical modification, the synergism of pollution reduction, synergism, carbon sequestration and decay promotion is realized, and an effective technical path is provided for realizing low-carbon, efficient and sustainable organic waste resource utilization.

Belongs to the technical field of pine wood nematode disease prevention and control, and particularly relates to a preparation method and application of a pyrazole-chitosan oligosaccharide derivative. Chloroacetyl chloride serves as an acylating agent, chitosan oligosaccharide is acetylated, and chloroacetyl chitosan oligosaccharide is generated; then, a pyrazole molecule with nematicidal activity is connected to the Cl site of the chloracetyl chitosan oligosaccharide through ammonolysis reaction, and the novel pyrazole-chitosan oligosaccharide derivative is obtained. The derivative has relatively high contact activity on pine wood nematodes, and LC50 of 24 hours and LC50 of 48 hours are 4.814 mM and 4.061 mM respectively; the chitosan oligosaccharide can remarkably inhibit multiple physiological indexes such as movement, feeding and service life of the pine wood nematodes, and is good in stability, low in molecular weight of the chitosan oligosaccharide, good in water solubility, green and environment-friendly, and the plant toxicity is remarkably reduced. The derivative has a good application prospect in the aspect of controlling the pine wood nematode disease and can be applied to prevention and control of the pine wood nematode disease.

The invention discloses a bacillus subtilis strain and application thereof. Belongs to the technical field of gold metolachlor degradation. The method comprises the following steps: taking a soil sample from a perennial land where Jinmetor is applied, taking a bacterial cake of the strain in a basic inorganic salt solid culture medium which takes Jinmetor as a unique carbon source, carrying out primary screening on microorganisms in the soil by observing whether a transparent circle can appear around the bacterial cake or not, determining the degradation rate of the strain through a liquid chromatography, and carrying out secondary screening, and identifying the screened strain through morphology, physiology, biochemistry and molecular biology to obtain the bacillus subtilis TXB2. When the bacillus subtilis TXB2 is used for potting control effect tests and field control effect tests on buckwheat seedlings, phytotoxicity in the buckwheat seedling stage can be relieved, and the bacillus subtilis TXB2 is safe to people and livestock.

The invention discloses an iron-based modifier capable of rapidly degrading farmland soil pesticides and an application method of the iron-based modifier. The iron-based modifier comprises 85-95 parts of industrial micron iron powder and 5-15 parts of nitrogen and sulfur doped biochar. The application method of the iron-based modifier comprises the steps that firstly, the iron-based modifier is spread to the surface layer of farmland soil, ploughing and uniform mixing are conducted, and the concentration of the iron-based modifier is 0.25-1.0 g / kg; then irrigating the farmland, covering a film, preserving moisture, isolating oxygen, maintaining for 5-7 days, and uncovering the film; after the water naturally drops, the crop seeds are sown into the soil, and water and fertilizer management is carried out until harvesting is carried out. The iron-based modifier disclosed by the invention can be used for remarkably reducing the content of pesticides in farmland soil and subsequent crops and rapidly reducing the phytotoxicity of residual pesticides in the soil to the crops, and the soil remediation efficiency is high.

The invention relates to the field of microorganisms, in particular to a Kutta gibsonii B7 for degrading paclobutrazol and application of the Kutta gibsonii B7. The Kutta gibsonii B7 is preserved in the China General Microbiological Culture Collection Center on October 23, 2024, and the preservation number is CGMCC No.32305. The Kutta gibsonii B7 can grow in a liquid culture medium containing the paclobutrazol, and the Kutta gibsonii B7 can be used for degrading the paclobutrazol. The content of paclobutrazol in the culture medium can be reduced, and the toxic effect of paclobutrazol on thalli is relieved; 95 mg / L paclobutrazol can be degraded in 9 days, and the degradation rate can reach 74%; a degradation product obtained after paclobutrazol is degraded has obviously weakened stress and phytotoxicity effects on plants, and is low in cost compared with physical and chemical cost and free of secondary pollution; the strain can be used for preparing a microbial agent for degrading paclobutrazol in soil, can obviously relieve the apical inhibition effect of paclobutrazol on crops, and has a relatively great application prospect.

The invention provides a preparation method and application of a chicken manure biogas slurry purified and refined component, the purified and refined component prepared by the method is a phytotoxicity relieving product which is wide in crop phytotoxicity application range and friendly to the ecological environment, and an application method capable of achieving phytotoxicity relieving and pesticide effect increasing on crops in multiple ways and at different time can be achieved. The two-way functional effects of relieving phytotoxicity and enhancing the pesticide effect are realized.

The invention belongs to the field of agricultural bactericides, and particularly relates to a bactericidal composition containing nano-zinc oxide and brucea javanica extract and application of the bactericidal composition, and the mass ratio of the nano-zinc oxide to the brucea javanica extract in active ingredients of the bactericidal composition is 40: 1-1: 40; the bactericidal composition disclosed by the invention has an excellent bactericidal effect, and shows excellent control effects on watermelon fusarium wilt, wheat stem rot, tobacco bacterial wilt, cotton damping-off, cotton damping-off, peanut root rot, peanut stem rot, damping-off, fusarium wilt, damping-off, root rot and the like of fruits, vegetables and beans; the bactericidal composition enhances the bactericidal broad-spectrum property and efficiency, is environment-friendly, does not generate phytotoxicity, is safe to crops, and has a good application prospect.

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.

This application relates to the use of one or more ascarosides to mitigate the phytotoxic effects of agrichemicals. Various combinations can provide enhanced performance of agrichemicals, with certain combinations surprisingly exhibiting significant reductions in the phytotoxicity of agrichemicals. Various combinations can surprisingly be co-formulated to provide shelf-stable compositions.

The invention provides a pesticide adjuvant composition containing lipoids and application of the lipoids. The pesticide adjuvant composition disclosed by the invention comprises the lipoid, can be matched with a pesticide for use, and improves the permeability and wettability of the pesticide by reducing the surface tension of the pesticide, so that the action effect of the pesticide is enhanced, and the phytotoxicity caused by improper use of the pesticide can also be reduced.

The present invention addresses the problem of providing a plant growth aid which can achieve both the reduction of harmful effects thereof and the reduction of plant diseases at high levels.　The present invention is a plant growth aid containing particles having a volume average particle diameter of 10-1000 nm, wherein each of the particles contains a compound (X), copper, and chitosan as constituent components, and the compound (X) has at least two functional groups (x) that are of at least one type and are independently selected from the group consisting of a carboxyl group, a phosphoric acid group, and a sulfonic acid group, and salts thereof.

The invention relates to the technical field of plant breeding, in particular to a mutant of rice ALS protein and application of the mutant. The mutant is obtained by mutating an amino acid sequence of a rice wild-type ALS protein as follows: serine at the 627th site is mutated into threonine, glycine at the 628th site is mutated into histidine, and amino acid at the 629th site is deleted. The application comprises the following steps: (1) enabling plants to have ALS inhibitor herbicide resistance; (2) the resistance of plants to ALS inhibitor herbicides is improved; (3) the phytotoxicity of ALS inhibitor herbicides to plants is reduced; (4) weed control; (5) plant genetic breeding or seed production; and (6) serving as a plant transgenic selection marker. The rice ALS protein mutant is obtained through resistance stress screening, the mutant is reported for the first time, rice can have high resistance to more than two ALS inhibitor herbicides, and the rice ALS protein mutant has high market value and social benefits.

The invention belongs to the technical field of agriculture, and particularly relates to a plant growth regulator containing 14-hydroxyl brassinosterol and indolebutyric acid, the plant growth regulator comprises an active component A 14-hydroxyl brassinosterol, an active component B indolebutyric acid, and a biological enzyme preparation. The plant growth regulator provided by the invention can play an important role in the aspects of flowering, fruit setting and yield of plants, fruit quality, disease resistance and the like, improves the effects of 14-hydroxybrassinosteroid and indolebutyric acid, reduces the risk of adverse reaction or phytotoxicity, and has the advantages of wide application prospect, high market demand and huge commercial value.

The invention relates to the technical field of biology, in particular to a tobacco NtTIRa1 gene and application thereof. The invention proves that the NtTIRa1 gene has the function of regulating and controlling the quinclorac resistance for the first time, and the test result shows that the quinclorac resistance of a mutant strain without the function of the NtTIRa1 gene is increased, so that the loss of tobacco production caused by phytotoxicity is eliminated or reduced, a new idea is provided for improving the quinclorac resistance of tobacco, and the application of the NtTIRa1 gene to the field of tobacco production is promoted. And a new means is provided for obtaining excellent tobacco varieties.

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 relates to the technical field of rice herbicide phytotoxicity prevention and control, in particular to a method for relieving rice herbicide phytotoxicity in the seedling stage. Paddy rice seeds are soaked with a pyrroloquinoline quinine solution before sowing; the concentration of pyrroloquinoline quinine in the pyrroloquinoline quinine solution is 0.3 to 0.7 [mu] mol / L; the method comprises the following steps: spraying a pyrroloquinoline quinine solution on leaf surfaces in a period from two leaves to one core to three leaves of rice, wherein the concentration of pyrroloquinoline quinine in the pyrroloquinoline quinine solution is 1-2 [mu] mol / L; within 3-7 days after the pyrroloquinoline quinone solution is sprayed on the rice leaf surfaces, cyclopropanesulfonamide and a herbicide are mixed for use. PQQ and cyclopropanesulfonamide are coordinated to effectively relieve the phytotoxicity of herbicides to rice.

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 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 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.

The present invention primarily relates to the use of compositions comprising L-glufosinate and / or salts thereof in a glufosinate tolerant field crop in foliar application, wherein the compositions contain less than 5 mol.-% of D-glufosinate and / or salts thereof, based on the total amount of L-glufosinate and salts thereof, under certain environmental conditions to achieve an increase in the control of harmful plants and / or a reduction of phytotoxicity in the tolerant field crop. The present invention also relates to according methods of treating a tolerant field crop using the mentioned compositions.

The invention relates to the technical field of weed suppression active substances, in particular to application of 2-piperidinecarboxylic acid in inhibition of barnyard grass seed germination and growth. According to the method, the influence of the 2-piperidinecarboxylic acid on the germination of the barnyard grass seeds is investigated by taking the germination rate of the barnyard grass seeds as an index, and the influence of the 2-piperidinecarboxylic acid on the growth of the barnyard grass is investigated by taking the root length, the seedling length / plant height and the fresh plant weight of the barnyard grass seedlings as indexes. The inhibition effect is enhanced along with the increase of the concentration of the 2-piperidinecarboxylic acid, and under the inhibition effect concentration, the 2-piperidinecarboxylic acid is safe to the growth of transplanted rice seedlings and does not generate obvious phytotoxicity. Therefore, the 2-piperidinecarboxylic acid can be effectively applied to inhibition of germination and growth of the barnyard grass seeds, and can also be applied to preparation of products for inhibiting germination and growth of the barnyard grass seeds.