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1678 results about "Growth regulator" patented technology

Simply put, plant growth regulators (also known as growth regulators or plant hormones) are chemicals used to alter the growth of a plant or plant part. Hormones are substances naturally produced by plants that control normal plant functions, such as root growth, fruit set and drop, growth and other development processes.

Fertilizer water-dispersion granule and preparation thereof

The invention relates to a fertilizer water dispersible granule and a method for preparing the same. The fertilizer water dispersible granule comprises one or more of plant nutrient substances and at least one surfactant which are processed to prepare the regular or irregular granular water dispersible granule. The fertilizer water dispersible granule consists of the following raw materials in portion by weight: 5 to 95 portions of the plant nutrient substance, 1 to 40 portions of the surfactant and 0 to 94 portions of an assistant. The invention has a preferential proposal: the plant nutrient substance comprises monopotassium phosphate, boric acid or borax, humic acid and salt thereof. The fertilizer water dispersible granule also comprises one or more of growth regulators. In addition, the fertilizer water dispersible granule can also comprise a disintegrating agent, an adhesive, a filler, a colorant and other assistants. The preparation method comprises: the metering, pulverization, even mixing, pelletization and drying of formula materials to obtain the fertilizer water dispersible granule. The fertilizer water dispersible granule has rapid disintegrating and dissolving (dispersing) speed in water, is fully dissolved, does not block a nozzle and a drop irrigation pipeline, is uneasy to absorb moisture, has high content of effective compositions, low packaging, storage, transportation, metering and use cost and high utilization rate of the effective compositions, reduces waste and environmental pollution, is widely applied to economic crop, gardening, lawn and urban greening and has extremely wide market application prospect.
Owner:SHENZHEN LANGTAI BIOTECH

High-efficiency multielement compound foliage selenium fertilizer and preparation technique thereof

The invention discloses a high-efficiency multielement compound foliage selenium fertilizer which aims to increase selenium artificially. The high-efficiency multielement compound foliage selenium fertilizer comprises the following components: macroelements, medium elements, microelements, chelator, selenium, rare-earth elements, active organic substances, growth regulator and surfactant. The high-efficiency multielement compound foliage selenium fertilizer is especially suitable for producing selenium-rich tea, selenium-rich rice, selenium-rich corn and other selenium-rich agricultural products in low-selenium or selenium-deficient regions. The invention has the advantages of favorable raw material compatibility, scientific proportion, scientific technique and diversified and compounded nutrient elements, and can effectively solve the nutrient deficiency symptom of the crop, thereby achieving the goal of sufficiently supplementing insufficient soil nutrients.
Owner:李子先 +1

Alkali soil modification fertility intensifying amendment and preparation method thereof

The invention discloses a fertilizing and conditioning agent for improving the saline alkali soil, and the fertilizing and conditioning agent includes an organic material, an inorganic material and a regulator for the plant growth, wherein, the weight proportion between the organic material and the inorganic material is 3:2 to 1:1. The organic material is fermented and maturated by one or a plurality of such organic matters as town living sludge, excrements of livestock and poultry, and furfural slag; and the inorganic material is formed by one or a plurality of such industrial waste and materials as desulfurized gypsum, phosphogypsum, and ammonium sulphate. Moreover, appropriate growth regulator for plant which is added according to the growing requirements can not only improve the saline alkali soil and fertilize the soil, but also can improve the plant growth and promote the plant to grow well as well as providing an effective path for promoting the recycling of the waste resources and reducing the secondary pollution to the town and the country.
Owner:天津市北方绿业生态科技有限公司

Biological foliage fertilizer

InactiveCN1631850AHigh in macronutrientsActivate cell tissueOrganic fertilisersFertilizer mixturesMetabolitePotassium
The invention has supplied biological leaf fertilizer, whose characteristics is that it includes chemical agent, biological organic matter, chelating agent, penetrant and microbe fermentation liquor and the solid raw material and mess ratio are: urea50-55%, potassium dihydrogenphosphate20-25%, potassium chloride 7-8%, boric acid0.3-0.5%, boric acid0.2-0.4%, copper sulfate0.1-0.2%, calcium nitrate0.5-1.5%, magnesium sulfate0.2-0.4%, zinc sulfate0.2-0.4%, manganese sulphate0.2-0.3%, ammonium molybdate0.05-0.1%, fulvic acid14-15%, EDTA chelating agent1-2%, AEO-20 penetrant 0.05-0.1%, mix the raw material of the above mix water 160~70deg.C in the ratio of 2:3, after 24 hours, add microbe fermentation liquor into the liquid filtered by 0.5~1mL / kg, then adjust the PH value to 5.0~6.0, finally, obtain the invention. The leaf fertilizer contains lots of macroelements and all kinds of secondary and microelements, and also contains metabolic product of microbe fermentation, beneficial microbe flora,chelating agent, penetrant and growth regulating agent, without poison, smell and side effect, it is safe and reliable, can increase the quantity and quality of agricultural products.
Owner:SHANDONG UNIV OF TECH

Trichoderma harzianum composite bacteria culture and application of trichoderma harzianum composite bacteria culture in aspect of plant protection

The invention relates to a trichoderma harzianum composite bacteria culture and application of the same in the aspect of plant protection, and belongs to the technical field of biology. The strain of the trichoderma harzianum composite bacteria culture is preserved in the China General Microbiological Culture Collection Center (CGMCC), and classified and named as Trichoderma harzianum MDCGTH 18, with a preservation number of CGMCC NO.2965. The Trichoderma harzianum MDCGTH 18 composite bacteria culture utilizes antagonistic microbes for biological prevention and treatment, simultaneously has the functions of inducing the disease resistance of plants and increasing the yield, has obvious effect of controlling aspen root rot, apple root rot, citrus yellow shoot, watermelon fusarium wilt, tobacco bacterial wilt, wheat scab, full rot, root rot, banded sclerotial blight, cucumber powdery mildew, downy mildew, vegetable gray mold, fusarium wilt and various other epidemic diseases, can be independently taken as a biological control microbial inoculum for plant diseases, and can also be mixed with other biological antiseptics, plant antibiotics, plant growth regulators and the prior antiseptics to prepare various biological antiseptics for controlling different plant diseases.
Owner:刘和现

Suspension polymerization process for manufacturing ultra high molecular weight polyethylene, a multimodal ultra high molecular weight polyethylene homopolymeric or copolymeric composition, a ultra high molecular weight polyethylene, and their uses

The present invention relates to a suspension polymerization process for the production of ultra high molecular weight polyethylene, wherein the operation is carried out in at least two reactors of the CSTR type (continuous stirring tank reactor), in a serial configuration, wherein the first reactor is fed with solvent, monomer and, optionally, comonomer; Ziegler-Natta type catalyst, said catalyst composition having a chloride concentration of at least 55%, based on its composition, and preferably more than 76%, chlorinated cocatalyst and chain growth regulator, said continuous stirring tank reactor being kept under a pressure between 0.1 to 2.0 MPa and temperature from 40° C. to 100° C., which contents of the first reactor are transferred to the subsequent reactor, by means of a pressure differential or through pumping, wherein said subsequent reactors are kept under a pressure between 0.1 to 2.0 MPa and temperature from 40° C. to 100° C., and fed with solvent, monomer, and, optionally, comonomer, catalyst, cocatalyst and chain growth regulator, the pressure and temperature in each of the reactors being different from one another up to the “nth” reactor, the number of reactors “n” varying from 2 to 4; the suspension thus obtained in reactor “n” being centrifugated for the removal of solvent and dried in a fluidized bed drier; thereby resulting in an ultra high molecular weight polyethylene homopolymeric or copolymeric composition with polydispersity greater than or equal to 6.
Owner:BRASKEM SA

Growth regulator for improving fruit setting rate of peaches and regulating method

ActiveCN103918650AReduce economic costsMake up for the lack of endogenous hormonesPlant growth regulatorsBiocideFruit setPeach orchard
The invention relates to the technical field of fruit growing and in particular relates to a growth regulator for improving the fruit setting rate of peaches and a regulating method. The growth regulator comprises the following components of gibberellin and auxin, wherein the auxin may be one of 1-Naphthalene acetic acid, sodium alpha-naphthyl acetate, indoleacetic acid, phenylacetic acid, indolebutyric acid, indoleacetic acid and 2,4-dichlorphenoxyacetic acid, and the growth regulator is sprayed after the peaches bloom. The growth regulator provided by the invention is easy to obtain and prepare and low in economic cost, and can effectively remedy deficiency of endogenous hormone caused by poor fertilization of peaches; the method for applying the growth regulator provided by the invention is simple and convenient and easy to operate and control, effectively solves the problem that in the growing of peaches, the fruit setting rate is influenced by abnormal weather in a flowering phase, shriveled flower buds, overly rapid warming and the like, improves the fruit setting rate by more than 34 times, and is obvious in effect and applicable to popularization and application in the production of peaches in common peach orchards, green houses and other facilities.
Owner:CHANGLI INST OF POMOLOGY HEBEI ACADEMY OF AGRI & FORESTRY SCI

Organic silicon leaf fertilizer and preparation method thereof

The invention discloses an organosilicon foliage fertilizer and making method, which is the leach of charred rice husk with water without polluting and side effect, wherein the foliage fertilizer is made of nitrogen, phosphine, potassium fertilizer, trace fertilizer, humic acid, plant growth modifier dissolved in the water with organosilicon fertilizer. The invention reaches effective utility due to kinds of nutritious element adsorbed by plant, which improves the crop production for forage crop, bean culture, vegetable and fruit tree.
Owner:黑龙江省苗必壮农业科技有限公司

Enhanced B cell cytotoxicity of CDIM binding antibody

Formulations and methods of treating human patients suffering from a condition characterized by lymphoid cancer, autoimmune disease or B cell hyperproliferation are disclosed, the treatment comprising administering (1) a cytotoxic amount of an antibody having specific binding for CDIM epitopes on a B cell, and (2) a cytotoxic agent, including a chemotherapeutic agent, radioactive isotope, cytotoxic antibody, immunoconjugate, ligand conjugate, immunosuppressant, cell growth regulator and / or inhibitor, toxin, or mixtures thereof, including agents that disrupt the cytoskeleton of B cells, particularly vinca alkaloids or colchicine.
Owner:PALIGEN INC +2

Controlled-salinity cultivation method for plating crop on moderate and medium and severe saline-alkali soil

InactiveCN102057775AImprove germination rateImprove irrigation and drainage efficiencyClimate change adaptationSoil-working methodsSoil scienceAlkali soil
The invention discloses a controlled-salinity cultivation method for plating crop on moderate and medium and severe saline-alkali soil, comprising: before sowing, irrigating saline-alkali soil for pressing salt and making soil moisture with fresh water; applying base fertilizer based on the principal of organic fertilizer into the saline-alkali soil; meanwhile, applying compound fertilizer suitable for the saline-alkali soil as the assistant material; then, ploughing soil, and raking with a leveller to preserve soil moisture; furrowing and making a ridge; covering films and sowing on the high position of the ridge; carrying out close planting; and spraying growth regulator. The cultivation method has the advantages of strong adaptability and high crop output, can be used for improving the utilization ratio of the fertilizer, quickeing the soil fertility cultivation process and bringomg high agricultural use benefits.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Preparation method and application of selenium-enriched foliar fertilizer

The invention relates to a preparation method and an application of a selenium-enriched foliar fertilizer. The preparation method comprises the steps as follows: the selenium-enriched foliar fertilizer is prepared by sodium selenate, sodium selenite, fulvic acid, urea, compound sodium nitrophenolate, SDS (sodium dodecyl sulfate) and the balance water; and the sodium selenate and the sodium selenite are taken as donors of selenium, the fulvic acid is taken as a chelating agent, the compound sodium nitrophenolate is taken as a plant growth regulator, and the fertilizer is compounded by adding the plant growth regulator compound sodium nitrophenolate and the urea and the SDS. The selenium-enriched foliar fertilizer is mainly used for crops such as wheat, corn, tomatoes, muskmelons, sugar beet, red dates, walnuts, apples, bergamot pears and the like, and can provide the selenium element for the crops and improve the selenium contents in the crops. The selenium contents of the crops are improved by 128.6-275.0% while compared with those of crops without using the selenium-enriched foliar fertilizer.
Owner:克州百纳德农业科技有限责任公司

Biologically active formulation containing polyethyleneimine and its derivatives

A pesticide composition containing: (a) a polyaliphatic amine and / or its derivative; and (b) a biologically active component selected from the group consisting of insecticides, insect repellents, fungicides, bactericides, bacteriostats, herbicides, plant growth regulators, and mixtures thereof.
Owner:COGNIS IP MANAGEMENT GMBH

Healing agent for jujube grafting and application method thereof

The invention relates to a healing agent for jujube grafting and an application method thereof, and belongs to a plant regulator. The healing agent comprises an agent A, an agent B and an agent C, wherein the agent A comprises naphthylacetic acid, heteroauxin and gibberellin; the agent B is carbendazim; the agent C is a nutrient. The application method comprises the following steps: dissolving the agent A into 60-85% of alcohol, mixing with the agent B and the agent C to prepare a healing solvent solution; soaking a jujube scion into the healing agent solution for 5-20 minutes and then using. By adopting the healing agent, a plant graft union growth regulator, nutrient, sterilization and moisture are achieved at the same time, and the healing agent has the functions of promoting callus formation, disinfecting, sterilizing, supplying nutrients, preventing moisture loss and the like. Not only is the jujube grafting survival rate improved by adopting a scion soaking method, but also the grafting speed is obviously improved, the labor intensity is reduced, and the grafting cost is saved.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Fertilizer with release-controlled function for strengthening root and inhibiting growth

The invention provides a fertilizer with release-controlled function for strengthening root and inhibiting growth, which comprises the components of (by weight ratio) nourishing substance 15-40, plant growth retardant 0.05-5, plant growth accelerator 0.05-5, controlled release carrier 50-84. The fertilizer has the functions of delaying vegetation, dwarfing the strains, accelerating tillering, root generating, reinforcing cold resistance, drought resistance, and minimizing soil residual quantity of growth regulator.
Owner:SICHUAN SANHE SLOPE TECH CO LTD

Manufacture and use of a plant growth regulating compound

The invention pertains to a method for manufacture and use of a formulation of plant growth regulating acids. A number of different solvents have been found useful in this application. Furthermore, the use of surfactants that act as solvents for the acid plant growth regulators has been discovered.
Owner:HELENA HLDG

Technique and method for off-season cultivating of organic bamboo shoots

The invention discloses a technique and method for off-season cultivating of organic bamboo shoots, and concretely relates to a cultivation technique and method for cultivating the organic bamboo shoots in advance by a season, and therefore, the bamboo shoots which are eaten in March or April can be eaten on New Year's Day and during Spring Festival in advance to meet the living needs of people and increase the planting benefit of the bamboo shoots. In the cultivation technique, pesticide, chemical fertilizer, growth regulators, hormone, herbicides and the like are not used. Bamboo shoots organic base certification, variety selection, site selection, plantation and forestation, cultivation in advance, self-made decomposed manure, organic matter plastic film mulching and scientific fertilization are adopted; minerals and botanical insecticide are used for controlling diseases and insect pests; natural enemies of pests, the inherent phototaxis and the flavor-directed performance of the pests are used for capturing and killing the pests, the purposes of eliminating the pests and protecting beneficial insects are achieved, conditions, such as light, heat, air and the like, are fully utilized, an environment which is beneficial to the growth of the organic bamboo shoots and bamboo shoots is created, the purposes of advance yield and high yield are achieved, the organic bamboo shoots are produced efficiently, and economic income is increased.
Owner:孔赟荣

Heterocyclic compounds based on n6-substituted adenine, methods of their preparation, their use for preparation of drugs, cosmetic preparations and growth regulators, pharmaceutical preparations, cosmetic preparations and growth regulators containing these compounds

Novel heterocyclic derivatives based on N6-substituted adenine, having anticancer, mitotic, immunosuppressive and antisenescent properties for plant, animal and human cells and methods of their preparation. Included are also pharmaceutical compositions, cosmetic preparations and growth regulators, which contain these derivatives as active compound and the use of these derivatives for the preparation of drugs, cosmetic preparations, in biotechnological processes, in cosmetics and in agriculture.
Owner:INST OF EXPERIMENTAL BOTANY ACAD OF SCI OF THE CZECH REPUBLIC

Clostridium acetobutylicum and applications thereof

The invention provides a Clostridium acetobutylicum and applications thereof. The accession number of the Clostridium acetobutylicum provided by the invention is CGMCC No. 5234. The Clostridium acetobutylicum can be used to simultaneously produce acetone, butanol, ethanol and 3-hydroxybutanone through fermentation, so that economic benefits of butanol fermentation are increased. Coupled regeneration of NAD+ can be achieved by adding metabolism or growth regulators, which increases product yields and, at the same time, can flexibly adjust the yields of coproduction products to adapt to market demand.
Owner:NANJING UNIV OF TECH

Sugarcane foliage medicinal fertilizer formulation

InactiveCN101186548AReduce dead heart seedlingsIncrease productionBiocideNitrogenous fertilisersBrixImidacloprid
The invention relates to a sugarcane foliar fertilizer formula: the following raw materials are added into a blender according to weight percentage of 10 percent of imidacloprid of concentration of 95 percent, 75 percent of monosultap of concentration of 95 percent and 15 percent of cartap hydrochloride of concentration of 98 percent, the materials are fully blended and added with the same amount of kaolin as filling agent and humectant, the amount of which equals to 2 percent of the raw materials, and the obtained material is ground and evenly stirred; zinc sulfate, borax, manganous sulfate and ammonium molybdate are ground respectively, and are added with, according to the weight percentage, 40 percent of zinc sulfate, 20 percent of manganous sulfate, 36 percent of borax, 3.5 percent of ammonium molybdate and 0.5 percent of gibberellin as growth regulator, then all the materials are evenly blended; the blended pesticide and the blended micronutrient fertilizer are mixed by ratio of 1 to 2, thus forming the fertilizer. The fertilizer is diluted by water by 200 times and sprayed on the plant leaves of the sugarcane. One day after the fertilizer is sprayed, control efficiency of woolly aphids is over 96 percent, and three days later, the control efficiency of woolly aphid reaches 100 percent; meanwhile, the fertilizer is efficient for egg of snout moth's larva and larvae of the sugarcane to some extent, and can reduce dead hearts in fields; after the fertilizer is absorbed by the leaves, the leaves turn green, with yield improved by 15 percent and brix improved by 0.2 percent in the fields.
Owner:SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI

Early fructification and high yield method of American Illinois nut early

The invention relates to a method for the early fruition and luxuriant production of fruit trees, in particular to a method for early fruition and luxuriant production of American thin-shell kiskatoms. The technical proposal of the invention is as follows: cions of American thin-shell kiskatoms of a second year are grafted in parental stocks of American thin-shell kiskatoms of the last year; a part of soil is then dug out to expose partial root of the parental stock for crab rooting cultivation that adopts a growth regulator; the growth regulator used by each strain of American thin-shell kiskatom plantlet is 0.18mg rhodofix and 0.12mg indoleacetic acid; the use method is that mixed liquid is made and mixed by adding 200g water in the rhodofix for dissolving and adding 200g water in the indoleacetic acid for dissolving; the mixed liquid is sprayed at the exposed root of each strain of American thin-shell kiskatom plantlet. The method of the invention has the effect of early fruition and luxuriant production. The mixed growth regulator by adopting the rhodofix and indoleacetic acid can further improve the effect of early fruition and luxuriant production.
Owner:邱富兴

An ecological BB fertilizer

The invention discloses an ecological BB fertilizer, relating to a mutifunctional ecological environment friendly compound fertilizer, which is formed by mixing functional urea, controllable slow release sulfurcoated urea, monoammonium phosphate, diammonium phosphate, potassium sulfate particle (or potassium chloride), agricultural magnesium sulfate particle, ammonium sulfate, bio-organic inorganic compound fertilizer, endophytic PASP fertilizer synergist DA-6, plant growth regulator and trace elements. Special ecological BB fertilizer for different plants can be prepared by soil testing formula, according to different farm crops and different soil structure. The ecological BB fertilizer can take effect for 3-120 days, the nutrition release is balanced, biological stress of the farm crop such as drought resistance, cold resistance, salt resistance, or the like can be improved. The product of the invention has great operation significance for increasing yield of grain, reducing production cost, steadily increasing grain production, keeping rural incomes growing, improving utilization rate of the fertilizer, reducing fertilizer waste, protecting ecological environment, guaranteeing farm crop quality and safety, and ensuring sustainable development of the agriculture.
Owner:苏州盛泽科技创业园发展有限公司

Plant growth regulator composite containing diethyl aminoethyl hexanoate and cycogan

The invention discloses a plant growth regulator composite containing diethyl aminoethyl hexanoate and cycogan, which is characterized in that the plant growth regulator is liquid, powder or granula prepared by taking diethyl aminoethyl hexanoate (hexanoic acid 2-(diethylamino) ethyl ester) or salts thereof and the cycogan and adding with carriers or solvent, stabilizer and surfactant. The invention has the advantages of novel design, good effect in increasing yield for various crops and obviously-improved product quality, can effectively enhance stress resistance (such as lodging resistance, disease resistance, drought resistance, cold resistance, heat resistance, chemical injure resistance and the like), and has simple production technology, simple and convenient use and vast popularization and application prospect.
Owner:GUANGDONG GEOLONG BIOTECH

Stable and Water-Soluble Plant Growth Regulator Liquid Compositions and Methods for Use of Same

Soluble and stable liquid compositions containing a plant growth regulator selected from the group consisting of cytokinin and a gibberellin, an acid solubilizer such as citric acid, tartaric acid or glycolic acid and a solvent; as well as methods for making and using the composition are disclosed. The compositions improve solubility, handling, stability, safety, as well as activity improvements such as improved plant growth, yield, fruit thinning or sizing and quality. The compositions are soluble and stable by adding an ethoxylated alkyl alcohol wherein the growth regulator is 6-benzyladenine (6-BA) or forchlorfenuron (CPPU) and the ethoxylated alcohol surfactant is C12-15 alkyl alcohol in propylene glycol. The compositions may also contain a cytokinin such as 6-benzyladenine (6-BA) or forchlorfenuron (CPPU) that is increased in solubility and activity and by synergistically combined with GA3 or GA4A7 as well as in storage stability by adding an antioxidant. The compositions are formulated in a ready-to-mix formulation.
Owner:WANG YUEH +6

Cultivation method for improving corn yield in saline-alkali land

The invention discloses a cultivation method for improving corn yield in saline-alkali land. The method comprises the following steps: irrigating the saline-alkali land for flooding for once in the middle of March, wherein the irrigation volume for per mu is 60-100 m<3>, airing for 1-1.5 months until the surface of earth is dry enough to allow people to step on, applying 1000kg-1500kg of miscellaneous manure or 50kg-55kg of compound fertilizer per mu, then performing rotary tillage for 1-2 times to mix soil and the fertilizer, pressing by using a harrow and preserving soil moisture, and leveling the surface of earth; treating corn by using a seed coating agent before the corn is seeded, wherein the seed coating agent comprises actinomycin, bacillus mucilaginosus, azospirillum, diatomite, spicy powder, heteroauxin, potassium sulphate, magnesium sulfate, zinc sulfate, an alpha-pimacol growth regulator, an EDTA-2Na chelating agent, humic acid and turf; mixing bactericide and insecticide with seeds for treating the seeds, namely, firstly adding the insecticide, and then adding the bactericide after piling for 3-6 hours; and immediately seeding after the seed mixing treatment is finished.
Owner:王杨

Use of plant growth regulators to enhance algae growth for the production of added value products

The invention provides methods that enhance the production of biomass from algae that grow autotrophically, heterotrophically, or photoheterotrophically, through the use of plant growth regulators (such as growth hormones, indole acidic acid, etc.) and hormone mimics (phenoxyacetic compounds, etc.). The plant growth regulators or mimics thereof may further increase the proportion of the desired value-added products, such as biodiesel or starch, in the algae culture or the harvested biomass.
Owner:MCCARTER & ENGLISH LLP

Corn lodging resistant production gain conditioning agent and its preparation and application

The invention relates to a corn lodging resistant production-increase adjusting agent, comprising plant growth adjusting agent, polyamino acid, organic acid, and microelements. The inventive production comprises that using solvent to dissolve the organic acid, and dissolve the plant growth adjusting agent, microelements and polyamino acid, making volume constant. The inventive adjusting agent can be diluted to be sprayed on the leaves of corn, to optimize the shape and yield of corn, to improve the anti-lodge ability of corn and improve the production.
Owner:INST OF CROP SCI CHINESE ACAD OF AGRI SCI

Hardwood cutting propagation method for tetraploid robinia pseudoacacia

The invention discloses a hardwood cutting propagation method for tetraploid robinia pseudoacacia and belongs to the field of ornamental plants. The method comprises the following step: soaking tetraploid robinia pseudoacacia cutting wood in a plant growth regulator for two times, wherein one or more of plant growth regulators, such as heteroauxin, naphthylacetic acid and rooting powder is selected to soak the cutting wood. The tetraploid robinia pseudoacacia propagated by the method has high rooting rate, the survival rate of the cutting wood is remarkably enhanced, the rooting time of the cutting wood is shortened and the technical problem of the hardwood cutting propagation for the tetraploid robinia pseudoacacia is solved.
Owner:BEIJING FORESTRY UNIVERSITY

Low VOC and Stable Plant Growth Regulator Liquid and Granule Compositions

The invention relates to low VOC plant growth regulator compositions comprising less than about 25% of volatile organic compounds (VOCs). The compositions preferably comprise 6-benzyladenine (6-BA) or forchlorfenuron (CPPU). Also provided are methods of using the compositions.
Owner:VALENT BIOSCIENCES CORP

Chlorin iron (iii) chelate with plant growth regulating activity and its application as plant growth regulator

The invention discloses dihydroporphin (III) chelates having plant growth regulating activity and use thereof as plant growth regulators. The respective structures of the chelates are shown below. In the structures, R may be H, Na, K, CH3 or C2H5, and X may be Cl, OCOCH3 or OH. The dihydroporphin (III) chelates are formed by chelating pyropheophorbide, purpurin and dihydroporphin serving as main ligands and different acid radicals and hydroxy radicals as axial ligands (X) with trivalent ions of iron serving as a transitional metal. The dihydroporphin (III) chelates serving as plant growth regulators are safe, nontoxic and insusceptible to accumulation of residue; the activity of the dihydroporphin (III) chelates are high and the effect of the dihydroporphin (III) chelates are remarkable; and the dihydroporphin (III) chelates can improve the chlorophyll content in plants, promote rooting, and increase germination rate, resistance and yield.
Owner:NANJING NORMAL UNIVERSITY +1
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