107 results about "Brassinine" patented technology

The invention belongs to the technical field of plant growth conditioning agents, and relates to a plant salt resisting conditioning agent. The plant salt resisting conditioning agent is prepared from porphyra polysaccharides with the concentration of 100-1,000 mg/L, salicylic acid with the concentration of 0 mg/L or 100-200 mg/L, brassinolide with the concentration of 0 mg/L or 0.01-0.1 mg/L, glycine betaine with the concentration of 0 mg/L or 100-1,000 mg/L, spermidine with the concentration of 0 mg/L or 10-100 mg/L, a surfactant with the concentration of 0 mg/L or 1,000-20,000 mg/L and water, wherein the water serves as a solvent, and low-molecular-weight porphyra polysaccharides with the molecular weight of 1 k-50 k Da are adopted as the porphyra polysaccharides. Accordingly, novel application of the porphyra polysaccharides is supplied, and the porphyra polysaccharides can be used for preparing the plant salt resisting conditioning agent; meanwhile, by compounding the porphyra polysaccharides with the biological source induced resisting substances such as salicylic acid, brassinolide, glycine betaine and spermidine to prepare the salt resisting conditioning agent, the comprehensive resistance of plants on salt stress can be improved, and normal growth and development of the plants are guaranteed; according to the salt resisting conditioning agent, the components are simple, the raw materials are easy to obtain, the cost is low, the effect is significant, and environmental friendliness is achieved.

The invention discloses a chemical regulation agent for corn growth. Each 1 kg of chemical regulation agent consists of the following materials: 18-22 mg of gibberellins, 10-20 g of potassium dihydrogen carbonate, 10-20 g of urea, 5-15 g of amino acid leaf fertilizer, 0.1-0.5 mg of brassinolide and the balance of water. According to the invention, the male and female interval of the tasseling stage and the silking stage of corn seedlings is shortened to improve the corn seedling pollination and the yield; besides, the chemical regulation agent facilitates the improvement on the grain filling rate, accelerates the fullness of grains, and is suitable for industrial production.

The invention discloses a method for increasing the embryogenesis rate of microspores of Wucai, and belongs to the field of vegetable chemical control. The method further comprises the step of spraying brassinolide to seedlings with 6-7 main leaves before obtaining the microspores of the Wucai, the concentration of the brassinolide added to a culture medium is 0.3 mg/L, the concentration of the brassinolide sprayed to the seedlings of the Wucai is 50 mg/L, and the spraying parts of the seedlings of the Wucai are the back surfaces of the leaves until the surfaces of the leaves drip water. The method provided by the invention can effectively improve the occurrence rate of microspore embryos of the Wucai.

The invention discloses a height-controlling composite growth regulating agent for corn and a preparation method thereof, and a method for applying the height-controlling composite growth regulating agent to corn, belonging to the field of agricultural production. The preparation method comprises the following steps: separately dissolving brassinolide, diethylaminoethyl hexanoate, ethephon and KH2PO4, then uniformly mixing the above dissolved substances under stirring so as to obtain a mixed solution, adding Tween 20 and carrying out dilution with water so as to obtain the height-controlling composite growth regulating agent for corn. The height-controlling composite growth regulating agent can obviously reduce the height of corn, improve the thickness of stalk, promote the development of aerial roots and lateral roots and increase the content of chlorophyll in corn leaves, achieves the purposes of height control, resistance to lodging and yield increase, and has the advantages of safety, environmental protection, no harm to crops, etc. Moreover, the preparation method is simple and suitable for large-scale production.

The invention discloses a special florescence prolonging medicament for common bletilla tuber flowers. The special florescence prolonging medicament is prepared from the following raw materials in parts by weight: 5-10 parts of 6-benzoyladenine, 6-12 parts of naphthaleneacetic acid, 4-8 parts of 2, 4-dichlorophenoxyacetic acid, 3-8 parts of ethephon, 2-6 parts of triiodobenzoic acid, 2-4 parts of indoleacetic acid, 2-4 parts of gibberellin, 1-6 parts of aminoethoxyvinylglycine, 2-8 parts of aminoxyacetic acid, 1-3 parts of silver nitrate, 2-4 parts of silver thiosulfate, 5-12 parts of diethyl aminoethyl hexanoate, 5-8 parts of forchlorfenuron, 8-12 parts of compound sodium nitrophenolate, 7-10 parts of thiourea, 3-5 parts of brassinolide, 3-5 parts of triacontanol, 5-8 parts of paclobutrazol and 1-2 parts of chlormequat chloride. The invention has the beneficial effects that the special florescence prolonging medicament for common bletilla tuber flowers, provided by the invention, can effectively prolong the florescence of the flowers, has small toxic and harmful effects and has almost no impact on the environment.

The invention discloses a purification method of plant endogenous brassinolide based on boron affinity solid phase extraction. According to the method, the plant endogenous brassinolide is extracted by a solvent, an extract liquid directly acts on a boron affinity material, the plant endogenous brassinolide is adsorbed on the surface of the material, matrix impurities are removed through leaching,and then the brassinolide adsorbed on the boron affinity material is eluted through an oxidation-hydrolysis-reverse phase elution strategy. The method is easy to operate, good in selectivity, high inrecovery rate, and thorough in removal of the matrix interference, can be used for high-sensitivity and quantitative analysis of trace brassinolide in plant materials, and has wide application prospects in plant genetics, crop science and other fields.

The invention discloses a special florescence prolonging medicament for convallaria majalis flowers. The special florescence prolonging medicament is prepared from the following raw materials in parts by weight: 5-10 parts of 6-benzoyladenine, 6-12 parts of naphthaleneacetic acid, 4-8 parts of 2, 4-dichlorophenoxyacetic acid, 3-8 parts of ethephon, 2-4 parts of gibberellin, 1-6 parts of aminoethoxyvinylglycine, 2-8 parts of aminoxyacetic acid, 1-3 parts of silver nitrate, 2-4 parts of silver thiosulfate, 5-12 parts of diethyl aminoethyl hexanoate, 5-8 parts of forchlorfenuron, 8-12 parts of compound sodium nitrophenolate, 7-10 parts of thiourea, 6-10 parts of chloroethanol, 6-12 parts of hydrogen peroxide, 3-5 parts of brassinolide, 3-5 parts of triacontanol, 5-8 parts of paclobutrazol and 1-2 parts of chlormequat chloride. The invention has the beneficial effects that the special florescence prolonging medicament for convallaria majalis flowers, provided by the invention, can effectively prolong the florescence of the flowers, has small toxic and harmful effects and has almost no impact on the environment.

The invention provides a method for relieving corn deep sowing stress by applying exogenous brassinosteroid, and relates to the field of corn safety production guarantee, and the method comprises material collection, BR treatment liquid preparation, seed treatment, deep sowing stress test, determination item and determination method, optimal concentration application and result analysis. According to the method, the relieving effect of the BR on the deep sowing stress of the corn seedlings under different concentrations is evaluated, the effect of relieving the deep sowing stress of the corn seedlings by the exogenous BR is scientifically, objectively and comprehensively evaluated by adopting a membership function method, a theoretical foundation is laid for improving the deep sowing resistance of the corn, a technical reference is provided for rapid application of the exogenous BR and screening of the optimal concentration, and the method has a wide application prospect. The application prospect is wide.

The invention discloses a flowering extending agent special for iris japonica, which is prepared from the following raw materials by weight: 5-10 parts of 6-benzyl aminopurine, 6-12 parts of naphthalene acetic acid, 4-8 parts of 2,4-dichlorphenoxyacetic acid, 3-8 parts of ethephon, 2-6 parts of triiodobenzoic acid, 2-4 parts of indoleacetic acid, 2-4 parts of gibberellin, 1-6 parts of aminoethoxyvinylglycine, 2-8 parts of aminooxyacetic acid, 1-3 parts of silver nitrate, 2-4 parts of silver thiosulfate, 5-12 parts of diethylaminoethyl hexanoate, 5-8 parts of forchlorfenuron, 8-12 parts of sodium nitrophenolate, 6-12 parts of hydrogen peroxide, 3-5 parts of brassinolide, 3-5 parts of triacontanol, 5-8 parts of paclobutrazol, and 1-2 parts of chlormequat. The flowering extending agent can effectively extend the flowering time of flowers, is small in toxic action, and has no impact on the environment.

The invention relates to a new application of an ester concentration complexing agent in improving saline-alkali stress resistance of apples. A product with brassinolide and strigolactone as effectivecomponents is applied to plants stressed by salt and alkali, so that the capability of the plants to resist the salt and alkali stress can be remarkably enhanced, the oxidative damage to the plants caused by the salt and alkali stress is reduced, and the yield and quality reduction caused by the salt and alkali are relieved.

The invention discloses quinoline amide compounds and a preparation method and application thereof. A structural formula of the quinoline amide compounds is shown as a formula I. According to biological activity verification, specific brassinolide reactions such as promotion of arabidopsis mutant det2-1 hypocotyl elongation in the dark and rice blade tilt angle increase, improvement of corn salt stress resistance and the like of some of the compounds are discovered; several compounds have high response values under the condition low concentration and are capable of inhibiting wheat plant height to retard growth and improve lodging resistance under the condition of high concentration; in addition, excellent effects in prevention and control of gramineous weeds such as wild oats, aegilops tauschii, barnyard grass, setaria viridis and aegilops. The quinoline amide compounds are easy to prepare, low in cost, high in agricultural application and promotion value and worthy of subsequent intensive research and development.

Compositions and methods for increasing plant yield, either directly or through selective inhibition of competing weeds, are disclosed herein. Particular focus is paid to cell cycle signaling permutations such as mutations in the DP-E2F-Rb cell cycle regulatory pathway, and to permutations in brassinolide pathways as transgenic or small-molecule targets for increasing plant yield.

The invention relates to a stable environment-friendly pesticide. The stable environment-friendly pesticide is prepared from the following raw materials in parts by weight: 6-14 parts of lavender oil, 3-9 parts of hairyvein agrimony, 4-8 parts of Cynanchum komarovii, 2-7 parts of rhizobium powder, 2-8 parts of lentinan, 4-9 parts of folium isatidis, 3-7 parts of dandelion, 2-6 parts of nitrobacteria powder, 1-6 parts of Cynanchum komarovii extract, 3-8 parts of common cnidium fruit, 5-7 parts of alkaloids of tripterygium wilfordii, 3-5 parts of synergist, 4-6 parts of brassinolide, 5-8 parts of purslane and 2-6 parts of pokeberry root. The stable environment-friendly pesticide prepared from the multiple plant ingredients has the beneficial effects of having non-toxic and pollution-free effects, being harmless to people and livestock and achieving an environment-friendly effect.

The invention discloses a special flowering phase prolonging chemical for nerium oleander flowers. The special flower phasing prolonging chemical is prepared by adopting the following raw materials in parts by weight: 4 to 8 parts of 2,4-dichlorphenoxyacetic acid, 3 to 8 parts of ethephon, 2 to 6 parts of triiodobenzoic acid, 2 to 4 parts of indoleacetic acid, 2 to 4 parts of gibberellins, 1 to 6 parts of aminoethoxyvinylglycine, 2 to 8 parts of aminooxyacetic acid, 1 to 3 parts of silver nitrate, 2 to 4 parts of silver thiosulfate, 5 to 12 parts of diethylaminoethyl hexanoate, 5 to 8 parts of forchlorfenuron, 8 to 12 parts of compound sodium nitrophenolate, 7 to 10 parts of thiourea, 6 to 10 parts of ethylene chlorohydrins, 6 to 12 parts of hydrogen peroxide, 3 to 5 parts of brassinolide, 3 to 5 parts of triacontanol, 5 to 8 parts of paclobutrazol and 1 to 2 parts of chlormequat chloride. By adopting the special flowering phase prolonging chemical for the flowers, the flowering phase of the flowers can be effectively prolonged, the toxicity is small, and the environment is hardly affected.

The invention relates to the technical field of planting, and particularly discloses an alkali stress treatment agent and a preparation method and application thereof. The alkali stress treatment agent is prepared from brassinolide, melatonin and strigolactones, damage of alkali stress to plants can be effectively relieved through cooperative use of the brassinolide, melatonin and strigolactones, the problems that most of existing methods for relieving damage of alkali stress to plants are achieved by improving soil, the environment is easily polluted, and soil hardening is caused are solved. The provided preparation method is simple, the prepared alkali stress treatment agent can adapt to local conditions and efficiently solve the influence of soil alkalization on plant growth, the alkali stress resistance of plants can be improved when the alkali stress treatment agent is applied to leaf surfaces and/or roots of the plants, and the alkali stress treatment agent has wide market prospects.

A method of treating a solid tumor in a mammal by inhibiting angiogenesis, including administering to the mammal which has a solid tumor selected from the group consisting of breast carcinoma, lung carcinoma, prostate carcinoma, colon carcinoma, ovarian carcinoma, neuroblastoma, central nervous system tumor, multiform glioblastoma and melanoma; a composition including brassinosteroids of general formula (I)

wherein can be a single or double bond and the configurations of carbon atoms C22 and C23 respectively linked to the substituents HO are S for both carbon atoms and a pharmaceutically acceptable additive.