30 results about "Striga asiatica" patented technology

The invention relates to a traditional Chinese medicine composition for treating infantile malnutrition, and belongs to the technical field of traditional Chinese medicines. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 7 to 15g of striga asiatica, 8 to 16g of quince, 8 to 15g of raw rhubarb, 9 to 17g of cooked rhubarb, 9 to 16g of vernonia graveolens, 7 to 13g of black semen pharbitidis, 6 to 15g of white semen pharbitidis, 6 to 15g of semen nigellae, 15 to 20g of rhizoma sparganii, 16 to 19g of curcuma zedoary, 9 to 17g of fructus amomi and 10 to 19g of pedicularis muscicola. The traditional Chinese medicine formula disclosed by the invention has the effects of removing food retention, relieving dyspepsia, strengthening the spleen and stomach and expelling parasites, and is a traditional Chinese medicine formula capable of treating the infantile malnutrition, enhancing the immunity of the organism, recuperating the physical function of children and improving the physical quality of the children. The preparation method of the powder prepared from the traditional Chinese medicine formula is inherited for a long time, the compatibility is flexible, the taking modes are various, and the curative effect is remarkable and quick.

The present application belongs to the technical field of tobacco leaf fertilizer, and provides a tobacco leaf fertilizer for improving oil content and anti-epidemic ability of tobacco leaves, which comprises water and active ingredients, wherein the active ingredients comprise the following components in parts by weight: 240-300 parts of sodium humate, 40-60 parts of potassium nitrate, 15-30 parts of magnesium sulfate heptahydrate, 1-2 parts of striga lactone, 5-8 parts of N-succinylated chitosan, and 1000-1400 parts of tobacco stem enzymolysis fermentation product. The leaf fertilizer can significantly improve the oil content of tobacco leaves, and the required content of active ingredients is low when the leaf fertilizer is applied, thereby reducing the application cost. Meanwhile, the leaf fertilizer can also significantly improve the disease control ability of tobacco, and has good popularization and application value.

The application discloses strigasiaticaside A and an extraction method and application thereof, and finds, through chemical component research on the whole grass of striga asiatica, a new synbinaphthyl tetrahydrofuran lignan glycoside, that is, strigasiaticaside A, identifies the chemical structure of the new compound through nuclear magnetic resonance, mass spectrometry, ultraviolet, infrared and circular dichroism spectrum technology.The structure of the new compound is identified as (-) sesamin-5-O-beta-D-glucopyranoside.The anti-hepatitis activity of the new natural product is evaluated by using LPS stimulated HepG2 cells.The results show that when the concentration is 100 muM, the compound has a significant inhibitory effect on the production of inflammatory factors IL-10 and NF-kappa B protein, and has no cytotoxicity, indicating that the compound may have potential anti-hepatitis activity.

The invention belongs to the technical field of traditional Chinese medicine, and particularly relates to a traditional Chinese medicine composition for treating children spleen and stomach weakness and a preparation method and application thereof. The traditional Chinese medicine formula provided by the invention is good in taste, and effectively solves the problem that children are difficult to take traditional Chinese medicines; the traditional Chinese medicine composition is prepared from Xiaojianzhong decoction, striga asiatica and fructus amomi, is high in clinical application safety and has a remarkable treatment effect on various diseases caused by weakness of the spleen and the stomach of children.

The present invention provides a propagation matrix and a propagation method for promoting spore production in arbuscular mycorrhizal fungi, comprising strigolactones and naphthaleneacetic acid. The present invention utilizes the synergistic effect of strigolactones and naphthaleneacetic acid, uses earthworm castings and peat as primary raw materials, and combines vermiculite, indoleacetic acid, humic acid, and calcium magnesium phosphate to prepare the arbuscular mycorrhizal fungi propagation matrix. The matrix effectively increases the root infection rate of arbuscular mycorrhizal fungi and the number of arbuscular mycorrhizal fungi spores produced. The arbuscular mycorrhizal fungi propagation matrix provided by the present invention is low-cost, simple to operate, and capable of large-scale production and application of arbuscular mycorrhizal fungi inoculants.

The invention discloses a rice root system activation type compound fertilizer and a preparation method thereof, the rice root system activation type compound fertilizer comprises a basic nutrition inner core, a core activator layer and a coating film, and the core activator is sprayed on the outer side of the basic inner core. According to the invention, a plant endogenous signal molecule, namely strigolactone analogue GR24, is introduced, a root development procedure is regulated and controlled from the source, lateral roots and root hair germination are efficiently induced, and the action mode is milder, safer and free of phytotoxicity risk compared with that of traditional hormones. Meanwhile, due to the synergistic addition of elements such as zinc and silicon, nutrients required by construction are immediately provided after the root system is activated, and the mechanical strength and the stress resistance of the root system are remarkably enhanced. The polyglutamic acid optimizes the rhizosphere microenvironment and greatly reduces the fixed loss of nutrients. The multi-dimensional cooperation mechanism of signal guidance, nutrition support and environment optimization overcomes the defects that an existing product is single in function and unstable in effect, and comprehensive improvement from the root quantity, the root quality to the root function is achieved.

This invention discloses 5-hydroxy-3-methylfuran-2(5H)-one derivatives, their preparation methods, and applications. This invention provides three strigolactone analogs 1a-1y, 2a-2i, and 3a-3t, which exhibit excellent activity in promoting the seed germination of *Broomrapechameleon* and *Striga asiatica*. Compared with existing synthetic strigolactone analogs, they possess advantages such as simple structure, high activity, and high stability. Furthermore, the synthesis method is simple and economical, making them a class of strigolactone analogs with significant research value. They can be used for the control of root-parasitic weeds *Broomrapechameleon* and *Striga asiatica*.

The invention belongs to the technical field of traditional Chinese medicine planting, and particularly relates to application of strigolactone biosynthesis inhibitor in promoting gastrodia elata seed breeding. The strigolactones biosynthesis inhibitor has the function of specifically blocking SL synthesis key enzyme, and is used for treating gastrodia elata tubers, so that the content of superoxide anions in gastrodia elata and the activity of superoxide dismutase and catalase can be enhanced, the content of soluble solids and malondialdehyde in gastrodia elata and the activity of peroxidase are reduced, and the yield of gastrodia elata is increased. Therefore, the bud dormancy of the gastrodia elata is favorably broken, the germination of latent buds of the gastrodia elata is promoted, and efficient, simple and large-scale breeding of the gastrodia elata seeds is realized.

The present invention relates to a strain of Trichoderma pseudokoningii Tpk20, deposited under DSM number 34838 at Leibniz-lnstitut DSMZ - German Collection of Microorganisms and Cell Cultures, which has a biostimulant action on plants, due to the specific production of compounds that increase plant nutrients availability and / or activate plant metabolic defense pathways, and which responds to strigolactone mimics by amplifying the production of compounds involved in the plant biostimulant effects.

The invention belongs to the technical field of tobacco leaf fertilizer. The invention provides a tobacco leaf fertilizer for improving oil content and epidemic disease resistance of tobacco leaves, the tobacco leaf fertilizer comprises water and active components, the active components comprise the following components in parts by weight: 240-300 parts of sodium humate, 40-60 parts of potassium nitrate, 15-30 parts of magnesium sulfate heptahydrate, 1-2 parts of strigolactone, 5-8 parts of N-succinylated chitosan, and 1000-1400 parts of tobacco stem enzymolysis leavening. The leaf fertilizer provided by the invention can obviously increase the oil content of tobacco leaves; when the foliar fertilizer is applied, the content of required active ingredients is low, and the application cost is low. Meanwhile, the foliar fertilizer disclosed by the invention can also be used for remarkably improving the prevention and treatment capability of tobacco on diseases, and has relatively good popularization and application values.

The invention discloses an application of pyrazolate serving as a strigolactone analogue. The pyrazolate provided by the scheme of the invention can be used as the strigolactones analogue for regulating the length of plant hypocotyl, regulating the germination of plant seeds, regulating the length and / or density of plant root hair and regulating the plant height, and has a similar effect with a strigolactones analogue rac-GR24; and pyrazol is low in price, can be applied to various plants, is small in environmental pollution, and can be applied to agricultural production on a large scale.

The invention discloses application of strigolactones analogues in resistance of tea trees to anthracnose pathogen infection, and relates to the technical field of agriculture. According to the application disclosed by the invention, the fac-GR24 is subjected to exogenous spraying in advance, so that not only can endogenous strigolactones signals of the tea trees be activated, but also the expression of a disease-resistant response gene PR1 can be activated, so that the oxidation damage caused by pathogenic bacterium invasion can be relieved, the disease resistance of the tea trees can be improved, and finally, the reproduction and expansion of Colletotrichum camelliae pathogenic bacteria in leaves of the tea trees can be inhibited. Experimental results show that the number of pathogenic bacteria on leaves subjected to exogenous spraying of the rac-GR24 is only 54.8% of that of a control group, the area of disease spots in the leaves is only 45.8% of that of the control group, and the obvious level is achieved. The method has great significance in the field of tea tree planting.

The application discloses application of pyrazole anthrone in strigolactone analogues. The pyrazole anthrone in the scheme can be used as a strigolactone analogue to regulate the length of a hypocotyl of a plant, promote the expression of a key inhibitor of a strigolactone signal transduction pathway SMXL2 , SMXL6 , SMXL7 , SMXL8 , increase the length and quantity of root hairs, and regulate the growth and development of the plant, and has similar effects to the strigolactone analogue pyrazole anthrone; the pyrazole anthrone is low in price, can be applied to various plants, has little environmental pollution, and can be applied on a large scale in agricultural production.

This invention discloses the application of pyrazolite as a strigolactone analog. The pyrazolite of this invention can be used as a strigolactone analog to regulate hypocotyl length, seed germination, root hair length and / or density, and plant height, exhibiting similar effects to the strigolactone analog rac-GR24. Furthermore, pyrazolite is inexpensive, applicable to a variety of plants, and has minimal environmental impact, allowing for large-scale application in agricultural production.

The invention discloses a growth regulation composition for relieving continuous cropping obstacles of cucumbers and application of the growth regulation composition, and belongs to the technical field of plant growth regulation. The growth regulation composition is prepared from a chelating dopamine solution and a strigolactones solution, the chelated dopamine solution is a double-ligand chelated dopamine solution, and the preparation method comprises the following steps: uniformly mixing a zinc ion solution and an ethylenediamine tetraacetic acid salt solution, and then adding a dopamine solution, thereby obtaining the zinc ion / ethylenediamine tetraacetic acid complex. The striga lactone is dissolved in acetone, and deionized water is added for dilution to obtain a striga lactone solution. A 50 [mu] mol.L <-1 > chelated dopamine solution is applied to roots and a 1.0 [mu] mol.L <-1 > strigolactones solution is sprayed to leaf surfaces for cooperative treatment, so that the absorption rate of cucumbers to moisture and nutrient substances in soil can be remarkably improved, dry substances can be accumulated, and the tolerance of cucumber bodies to a continuous cropping mode is enhanced. The composition is small in dosage, low in cost and suitable for green prevention and control of continuous cropping obstacles of greenhouse cucumbers.

Aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of one or more of a NODULATION SIGNALING PATHWAY 1 (NSP1) protein or a NODULATION SIGNALING PATHWAY 2 (NSP2) protein that have increased mycorrhization and / or promoted symbiotic responses under high phosphate and / or high nitrate conditions. Further aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of a C-TERMINALLY ENCODED PEPTIDE (CEP peptide) that have increased mycorrhization and / or promoted symbiotic responses under high phosphate and / or high nitrate conditions. In addition, aspects of the present disclosure relate to methods of cultivating these plants that include exogenous application of strigolactones, karrikins, and / or CEP peptides to increase mycorrhization and / or promote symbiotic responses under specific nutrient conditions.

Aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of one or more of a NODULATION SIGNALING PATHWAY 1 (NSP1) protein or a NODULATION SIGNALING PATHWAY 2 (NSP2) protein that have increased mycorrhization and / or promoted symbiotic responses under high phosphate and / or high nitrate conditions. Further aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of a C-TERMINALLY ENCODED PEPTIDE (CEP peptide) that have increased mycorrhization and / or promoted symbiotic responses under high phosphate and / or high nitrate conditions. In addition, aspects of the present disclosure relate to methods of cultivating these plants that include exogenous application of strigolactones, karrikins, and / or CEP peptides to increase mycorrhization and / or promote symbiotic responses under specific nutrient conditions.

The invention belongs to the technical field of artificial cultivation of plants, and particularly relates to a simple, convenient and efficient seedling raising method for boea cavaleriei and application thereof. The seedling culture method comprises the following steps: adding disinfected boea cavaleriei seeds and strigolactones analogue solution into a 1 / 2 MS culture medium for seed culture to obtain boea cavaleriei seedlings; the concentration of the striga lactone analogue solution is 0.1 to 10 [mu] mol / L; the volume ratio of the strigolactone analogue solution to the 1 / 2 MS culture medium is (1-3): 15; placing the black boea cavaleriei seedlings in a new 1 / 2MS culture medium, and performing seedling culture to obtain black boea cavaleriei seedlings; in the 1 / 2MS culture medium, the mass volume concentration of the cane sugar is 0.5%-2%. The seedling raising method is easy to operate and low in cost, the germination rate and the seedling rate of the black boea mellea seeds can be greatly increased, the seedling raising period is shortened, and a solid foundation is laid for breaking through the technical bottleneck of artificial cultivation and production of black boea mellea and achieving industrial development of the black boea mellea.

The invention discloses sorghum striga resistance related proteins SbSLT1 and SbSLT2 as well as encoding genes and application thereof, and belongs to the technical field of biology. A knockout experiment proves that the function deletion mutation of the SbSLT1 and SbSLT2 genes endows the sorghum with relatively strong striga asiatica parasitic resistance while not influencing the normal growth of the sorghum, and has great significance in anti-parasitic mechanism research and anti-parasitic breeding.

The invention belongs to the technical field of plant growth regulators, and particularly relates to a five-membered azacycloindole compound and application thereof in preparation of strigolactone inhibitors. The synthesized five-membered azacyclo-indole compound can be applied to preparation of strigolactones inhibitors, can significantly promote tillering of rice, and has an obvious inhibition effect on germination of various parasitic weed seeds induced by strigolactones, including striga formosana, Orobanche cucurbitae, Orobanche helianthi and the like. The characteristics show that the five-membered azacycloindole compound can be used as a potential plant growth regulator and has a wide prospect in agricultural application.

The application belongs to the technical field of plant genetic engineering, and particularly relates to application of GhDWARF27 gene in regulation of plant verticillium wilt resistance and breeding of verticillium wilt resistant plants. The application discloses that application of GR24, an artificial synthetic analogue of strigolactone (SLs), or overexpression of a SLs biosynthesis gene GhDWARF27 can improve the resistance of plants to verticillium wilt, and silencing of the GhDWARF27 gene can result in reduction of SLs content in roots of the plants and reduction of the resistance of the plants to verticillium wilt. SLs can activate expression of JA response related genes through JA and ABA biosynthesis and signal pathways, and can enhance the resistance of the plants to verticillium wilt in an ABA dependent manner by enhancing the activity of antioxidant enzymes. The technical scheme and molecular mechanism of SLs for enhancing the resistance of cotton to verticillium wilt will provide a new approach for cotton breeding and prevention of cotton verticillium wilt.

Provided is a germination inducer for a root parasitic plant, characterized by containing strigolactones and jasmonic acids as active ingredients to enable germination of a root parasitic plant with a small amount of strigoalactones.

Disclosed herein are compounds and methods for regulating plant growth and / or combating root parasitic plants. Formulations containing one or more disclosed compounds or salts thereof, and one or more excipients are disclosed. Methods for regulating plant growth typically includes applying one or more formulations to a plant, a plant part, or a growing site of plant, where the one or more compounds or salts thereof can be in an effective amount to inhibit tillering, trigger senescence, and / or cause stunted growth of the plant. The plant can be a cereal, grain, or vegetable plant. Methods for combating root parasitic plants typically includes applying one or more formulations to a root parasitic plant, a plant part of root parasitic plant, or a growing site of root parasitic plant, where the one or more compounds or salts thereof can be in an effective amount to induce parasitic seed germination.

The application provides a method for regulating the aroma of grape fruits by an exogenous plant growth regulator, and utilizes methyl jasmonate, phenylalanine and strigolactone to spray 'Hanxiangmi' grape fruits with rich rose fragrance, and analyzes the aroma composition and content of the treated grape fruits. The results show that the rose fragrance intensity of 'Hanxiangmi' grape is enhanced after methyl jasmonate treatment; after strigolactone treatment, the components such as alpha-terpineol, beta-ionone, nonanoic acid and geraniol in the grape fruits are prominent, so that the treated grape is changed into mixed type grape with flower fragrance, fruit fragrance and grass fragrance, and the aroma is rich in layers; and the treatment effect of phenylalanine is not obvious. The application provides a reference for the research of strigolactone on fruit quality.

The invention discloses a strigolactones-based formula for promoting symbiosis of arbuscular mycorrhizal fungi, and relates to the technical field of agricultural biology.The strigolactones-based formula comprises an active composition composed of the following components and an agriculturally acceptable carrier, the strigolactones signal substance comprises ent-5-deoxystrigool stereoisomers with biological activity, and the content of the ent-5-deoxystrigool stereoisomers accounts for more than 80% of the total mass of the signal substance; the biological surface active agent is one or more of rhamnolipid, sophorolipid and tea saponin; according to the strigolactones-based formula for promoting symbiosis of arbuscular mycorrhizal fungi, the lowest content (gt; gt) of high-activity ent-5-deoxystrigolactones stereoisomers in strigolactones signal substances is limited; 80%) of the core signal molecules, and a specific type of biosurfactant (rhamnolipid, sophorolipid or tea saponin) is cooperatively used, so that the transmission efficiency and the interface contact effect of the core signal molecules are improved.

The invention discloses an application of strigolactone in promoting symbiosis of arbuscular mycorrhizal fungi, and relates to the field of agricultural microorganisms, and an effective amount of strigolactone or a derivative thereof is combined with at least one arbuscular mycorrhizal fungi propagule for use; wherein the use concentration of the striga asiatica lactone is 0.01 nM to 10 M; according to the application of strigolactone in promoting symbiosis of arbuscular mycorrhizal fungi, through a Tween-20-containing solution carrier and a combined application mode, the activity of strigolactone is effectively protected, the action time of strigolactone is prolonged, the defect that strigolactone is easy to degrade is overcome, and the stability and repeatability of a field application effect are guaranteed.

The application provides a compound with plant growth regulation effect and a preparation method and application thereof. White peony alkaloids G and H are isolated and identified from traditional Chinese medicine white peony for the first time; the structure is novel; a butenolide structure which is same as that in a plant signal molecule strigolactone, trimethyl butenolide and the like is contained in the parent nucleus structure; however, the natural content of the two white peony alkaloids is extremely low, so the white peony alkaloids G and H are synthesized by using a chemical method, and a derivative is obtained. Research finds that the white peony alkaloids and the derivative of the application exhibit a significant promoting effect on the germination of dicotyledonous crop seeds and monocotyledonous crop seeds at a low concentration, and exhibit an inhibiting effect at a high concentration. It is indicated that the white peony alkaloids and the derivative above can be a new plant hormone-like molecule, and can play a regulation effect on the growth of plants.

The invention discloses an external preparation suitable for people with weakness of spleen and stomach and a preparation method thereof, the external preparation comprises a traditional Chinese medicine extract composite component, and the external preparation is prepared from the following raw materials in parts by weight: maguey leaf extract; a salvia miltiorrhiza root extract; a polygonum multiflorum root extract; a ginseng root extract; an angelica root extract; a zanthoxylum fruit extract; an astragalus membranaceus root extract; an abrus herb extract; a microcos paniculata extract; and striga asiatica extract. A microbial fermentation product comprising a Thermus thermophilus fermentation product; and Leuconostoc / radish root fermentation filtrate. The transdermal enhancer comprises a ginger extract, methyl nicotinate and a pepper extract. And the auxiliary materials comprise cyclopentasiloxane, squalane, inulin, and disteardimonium hectorite. Chinese herbal medicines are combined with a modern microbial fermentation technology, and based on a percutaneous delivery system, sub-health symptoms such as unsmooth defecation, abdominal distension, abdominal cold, abdominal fat accumulation, edema and poor complexion of people with weakness of the spleen and the stomach are improved.

The invention discloses an application of pyrazolidone as a strigolactones analogue. The pyrazolidone provided by the scheme of the invention can be used as the strigolactones analogue to regulate and control the length of plant hypocotyl, promote the gene expression of key inhibition factors SMXL2, SMXL6, SMXL7 and SMXL8 of strigolactones signal transduction pathways, increase the length and quantity of root hairs and regulate and control the growth and development of plants, and meanwhile, the pyrazolidone has a similar effect with the strigolactones analogue pyrazolidone; and the pyrazolidone is low in price, can be applied to various plants, is small in environmental pollution, and can be applied to agricultural production on a large scale.

The application discloses a transcriptional repressor OsSMAX1 gene and application thereof in rice resistance to brown planthopper. The application finds for the first time that the transcriptional repressor OsSMAX1 gene is crucial to the function of the gene Bph9 in resisting the brown planthopper. In the insect-resistant material NIL-Bph9-9311, the OsSMAX1 gene is knocked out by using the CRISPR / Cas9 technology, so that the resistance of the plant to the brown planthopper is significantly reduced. By genetic transformation and crossbreeding, the OsSMAX1 gene is introduced into a rice variety containing the Bph9 and lacking the OsSMAX1 gene, so that the resistance of the rice to the brown planthopper can be significantly improved, the harm caused by the brown planthopper is reduced, and the purposes of yield increase and yield stabilization are achieved. Meanwhile, the OsSMAX1 is a strigolactone and Karrikin signal pathway gene, which provides a theoretical basis for the above signal pathway to participate in the regulation of insect resistance, and has a reference significance for the research on gene molecular functions and breeding.