329 results about "Lowering plants" patented technology

The invention relates to an oligochitosan and plant source substance-containing agricultural composition and applications, wherein the plant source substance is prepared by one or more of derris, tripterygium glycosides, tobacco, pyrethrum cinerariifolium, tagetes erecta, eupatorium adenophorum, radix stemonae, cayenne pepper, macleaya cordata, radix sophorae flavescentis, pyrethrum cinerariifolium, chinaberry, excoecaria sebifera, black nightshade herb, rhododendron sinensis sweet, coriaria sinica maxim, garlic, fruit of cubeb litsea tree, yellow flowered rhododendron, thymelaea, radix euphorbiae lantu, lysimachia foenum-graecum hance, peppermint, calamendiol, cortex cinnamomi, black pepper, artemisia scoparia, rhizoma alpiniae officinarum, mugwort, pepper, cynanchum komarovii, chinese honeylocust abnormal fruit, stramonium, ginko, camphora officinarum, caulis spatholobi, chinese mosla herb, herba asari, red sandalwood, erythrina indica, myrsine africana and fructus cnidii. The composition is low in people and livestock and non-target organism toxicity, fast degraded in the environment, low in residue, and free from environmental pollution. The oligochitosan and certain plant source substances in the composition are mixed and can achieve synergistic interaction, and the usage amount of the plant source substances can be reduced.

Two genes, A622 and NBB1, can be influenced to achieve a decrease of nicotinic alkaloid levels in plants. In particular, suppression of one or both of A622 and NBB1 may be used to decrease nicotine in tobacco plants.

The invention discloses a method for conducting afforestation on saline-alkali soil. The method includes the steps of firstly, digging deep planting pits in the saline-alkali soil; secondly, paving two layers of isolating curtains at the bottom of each planting pit and the inner wall of each planting pit respectively; thirdly, arranging filtering layers between each isolation layer and the bottom of each planting pit and between each isolating layer and the inner wall of each planting pit; fourthly, preparing mixed matrix, filling the matrix into the pits and tamping down the matrix; fifthly, planting seedlings; sixthly, conducting maintenance management. According to the method for conducting afforestation on the saline-alkali soil, the difficult problems of lowering the salt content, improving the soil and conducting afforestation on the saline-alkali soil are solved. Through the measures of discharging salt and blocking salt, the salt content in the distribution range of the plant root systems is lowered, the plant root systems are promoted to absorb nutrient and water and discharge salt in a unidirectional mode, and a soil environment which is beneficial to plant growth is created. According to the method for conducting afforestation on the saline-alkali soil, the survival rate and the preserving rate of the seedlings are improved, and the method is low in cost compared with a traditional method for improving the saline-alkali soil by merely paving the salt isolating layers, replacing soil and conducting afforestation, is suitable for the saline-alkali soil afforestation and the plant cover recovery project, and can also be used in the manual construction and the machine and human coordinated construction.

The invention discloses an application of melatonin in reducing cadmium accumulation in plants. The application includes the following steps: (1) mixing melatonin and additives to form aqueous solution; (2) spraying the aqueous solution on plant leaf surfaces under cadmium stress or filling the aqueous solution in nutrient solution or soil where plants grow. The melatonin can quickly and efficiently reduce cadmium content in plant leaves, change distribution of cadmium ions in plant cells, and relieve damage of cadmium to cells; in addition, the melatonin is simple to prepare and convenient to use, does not cause product and environment pollution, does not generate phytotoxicity easily and has a wide application prospect.

The invention discloses a muddy saline soil forestation method. The method comprises the following steps: 1) digging drainage ditches (1) and building platform fields(15); 2) digging plant pits (3) for land preparation; 3) setting salt insulating layers (4) and basal discs (9) in the plant pits; 4) preparing sand loam soil; 5) filling the pits and transplanting the nursery stock; and 6) carrying out the fostering management. The method solves the problem of muddy saline soil forestation and greening. Through the measures of salt discharge and blockage, the method reduces the salt content in the range of the plant root system. The basal disc orientated rootage technology promotes the development of the root system, facilitates the nutrients and water absorption and unilateral salt discharge of the root system, and creates a soil environment benefiting the growth of the plant. The forestation method improves the survival rate and preservation rate of the nursery stock, and has lower cost than that of pure alien soil forestation. The method is suitable for the forestation and greening and vegetation restoration projects in the muddy saline alkali land, and can be applied to the artificial construction mixed with manual work and mechanical work.

The invention discloses a plant aeroponic method and a plant aeroponic system. The method comprises the following steps of: (A), performing magnetization treatment on a nutrient solution in a 3,000-5,000GS magnetic field; (B), atomizing the nutrient solution by using 1.7Mhz-2.4MHz ultrasonic waves to form ultrasonic nutrient solution aerial fog; and (C), finally conveying the ultrasonic nutrient solution aerial fog to the circumference of a plant root system so that the aerial fog can be absorbed by the root system. The plant aeroponics method and the plant aeroponic system have the advantages of difficultly causing dirt accumulation on a tuba wall or in a device, improving the nutrient solution absorption speed and rate of the plant, and reducing plant diseases and insect pests.

Provided is a plant tissue culture bacteriostatic (antiseptic) agent containing botanical fungicide. The bacteriostatic (antiseptic) agent comprises isothiazolinone, nisin and aqueous extracts of the Chinese herbal medicines of terminalia, groundsel and aromatic madder. When the bacteriostatic (antiseptic) agent is applied in plant tissue culture, 0.35 to 0.5% of the bacteriostatic (antiseptic) agent is added into a medium, which enables fungal and bacterial contamination to a culture to be effectively reduced or prevented and poses little adverse influence on plant growth, thereby enhancing the success rate of plant tissue culture; the bacteriostatic (antiseptic) agent can also be applied in open type plant culture, e.g., in the rooting phase of sound seedlings during a late plant culture stage, the bacteriostatic (antiseptic) agent is directly added into a medium, and the medium can be inoculated in indoor environment with bacteria or a few bacteria without undergoing the step of autoclaving or operating on a superclean bench, thereby simplifying seedling culture in plant tissue culture, enhancing working efficiency, saving a great amount of energy and reducing production cost for plant tissue culture seedlings; therefore, the bacteriostatic (antiseptic) agent has a critical actual application value.

A foliarly applicable plant nutrient composition comprises, in aqueous solution, (a) a first component comprising an agriculturally acceptable source of foliarly absorbable silicon; (b) a second component selected from agriculturally acceptable sources of thiosulfate ions, agents effective to inhibit polymerization of silicic acid or silicate ions, and mixtures thereof; and (c) as a third component, an agriculturally acceptable mixture of compounds selected from the group consisting of organic acids, organic compounds having funtional groups capable of reversibly binding or complexing with inorganic anions, and mixtures thereof. The composition is useful for silicon nutrition of a plant and for reducing susceptibility of a plant to fungal or bacterial disease.

The invention discloses a multi-functional composite conditioner for controlling cadmium-polluted soil and a remediation method for soil cadmium pollution. The multi-functional composite conditioner comprises an inorganic passivation agent for soil heavy metal cadmium, an organic passivation agent and a cadmium antagonist, wherein the inorganic passivation agent is selected from red mud, hydroxyapatite, bentonite, zeolite or dolomite; the organic passivation agent comprises cruciferous plant residues or liliaceous plant residues. The cruciferous plant residues are Chinese cabbage plant residues, rape plant residues, leaf mustard plant residues or cabbage plant residues, and the liliaceous plant residues are garlic plant residues, onion plant residues or Chinese chive plant residues. The cadmium antagonist is a compound containing Zn, Ca or Fe. The multi-functional composite conditioner adopts a composite cadmium remediation mode, can reduce the content of cadmium in plant bodies, and provides an effective, feasible and economic means for the planting of agricultural products with normal content of cadmium.

The present invention provides a new use of no-pollution gas, CO2, N2 and other no-pollution gases are used as field pesticide and sterilizer. After some area is sealed, the no-pollution gas is filled in to make no-oxygen environment killing pest, pathogenic bacteria, etc. After that, air is made to enter to restore the soil environment for plant to grow. The present invention makes it possible to produce green product, lower plant cost and increase plantation utility.

Methods are provided that diminish UDPGdH expression in plant cells as compared to wild-type plant cells. These methods find use in increasing the nutritional value of animal feed and improving processes for extraction of starch from plant seeds. Also provided are expression vectors capable of diminishing UDPGdH expression in plant cells, and transgenic plants expressing diminished levels of UDPGdH.

The invention discloses a method for hindering the absorption of heavy metal by a plant. Modifying agent is applied to soil; the modifying agent is the combination of red mud, apatite and selenium; and the dosage of the red mud, the apatite and the selenium is as follows: 5-100g of red mud, 5-100g of apatite and 0.5-1mg of selenium are applied to 1kg of soil. According to the application of the combined modifying agent, the effective state of heavy metals in the soil can be lowered to achieve a purpose of fixedly precipitating the heavy metals so as to greatly lower the content of the heavy metals, such as cadmium, copper, lead, zinc and arsenic in plants, the plant biomass can be increased, and a technical guarantee is provided for the grain production safety of a heavy metal contaminated region.

The invention discloses a new Rahnella aquatilis strain HX2 (CGMCC No.1896), which is characterized by the following: manufacturing antagonistic material and IAA; inhibiting partial pathogenic bacteria (Agrobacterium, Xanthomonas, Clavibacter, Pseudomonas and Bacillus) and partial pathogenic fungus (Fusarium, Alternaria and Botrytis); detecting root cancer based on green house sunflower as indicating plant.

The invention discloses arginine-chitosan with high degree of substitution, a preparation method and an application thereof, belonging to the field of biomedical material. The arginine-chitosan with high degree of substitution takes monochloroacetic acid as 'molecular arm', to ensure that arginine is efficiently and covalently bound on the free amino group or the free hydroxyl group of chitosan, and the electropositivity of the chitosan is obviously increased, therefore the antibiosis performance is enhanced. The material is derived from shells and shellfishes of arthropods, such as shrimps, crabs and insects, shells and gristles of mollusk, and cell walls of the cells of lower plant, fungus and alga. The arginine-chitosan with high degree of substitution has the advantages that the material preparation process is simple, and the material sources are rich. The property of the clinical burn and scald prevention susceptible fungus--staphylococcus aureus of the arginine-chitosan with high degree of substitution is better than that of unmodified chitosan, and is enhanced with the increase of the degree of substitution of arginine.

The invention discloses a saline land improver and a preparation method thereof. The preparation method comprises the following steps: (1) dissolving water-soluble calcium, inorganic nutrients, and a water-soluble surfactant into deionized water, mixing, and stirring to obtain a water phase (I); (2) adding an auxiliary surfactant and an oil-soluble surfactant into an organic solvent, mixing, and stirring to obtain an oil phase (II); (3) in the presence of an initiator and an inert gas atmosphere, carrying out polymerization reactions among the water phase (I), the oil phase (II), and membrane-coated monomers to obtain reversed-phase microcapsule suspension emulsion. The provided saline land improver can improve the buffering performance of soil, reduce the soil pH value, effectively reduce the sodium ion concentration in plant cells, and improve the salt resistant performance of crops.

The invention discloses a composite organic fertilizer prepared from vegetable wastes. The composite organic fertilizer is a fermented product which is obtained by fermenting a composite microbes and the vegetable wastes, wherein the composite microbe is a mixture of bacillus mucilaginosus, bacillus subtilis, tiny bacillus, bacillus megatherium, pseudomonas aeruginosa, plant lactic acid bacteria and azotobacter chroococcum, the number ratio of all the strains is 1:(7-8):(4-6):(3-5):(1-3):(3-5):(1-2), and the total amount of viable bacteria is 2.0*10<9>-3.0*10<9> CFU/mL. The invention also discloses a preparation method of the composite organic fertilizer. The preparation method comprises the following steps: inoculating the microbes to prepare a culture medium; and adsorbing by using an adsorbent, and fermenting the vegetable wastes to obtain compost. The compost prepared by the preparation method disclosed by the invention can be used for promoting the growth development of plants, and reducing plant diseases and insect pests and reducing the use amount of the inorganic fertilizer, so that the vegetable wastes are effectively used, and pollution of wastes to farm environments is reduced.

Compositions and methods include genetically encoding and expressing a novel delta-9 desaturase in plant cells. In some embodiments, methods of expressing nucleic acids in a plant cell to take advantage of the delta-9 desaturase enzyme's activity, such that the percent composition of saturated fatty acids in plant seeds is decreased and there is a concomitant increase in ω-7 fatty acids. In other embodiments, amino acid sequences have delta-9 desaturase activity. Methods can involve expression of delta-9 desaturase in plant cells, plant materials, and whole plants for the purpose of increasing the amount of unusual fatty acids in whole plants, plant seeds, and plant materials, for example, seeds.

The invention discloses a method for hydrolyzing vegetable protein and belongs to the field of feed processing. The method for hydrolyzing vegetable protein disclosed by the invention sequentially comprises the following steps: adding a mixture of enzymes including alpha-amylase, cellulose, hemicellulase, pectinase, alpha-galactosidase and phytase at a mass ratio of 10:5:5:2:2:1 into a vegetable protein raw material, and hydrolyzing for 2-5 hours, wherein the addition amount of the mixture is 3-8 g/Kg of the vegetable protein raw material; adding neutral protease, and hydrolyzing for 2-5 hours, wherein the addition amount of the neutral protease is 2-4 g/kg of the vegetable protein raw material; adding alkaline protease, and hydrolyzing for 2-5 hours, wherein the addition amount of the alkaline protease is 3-5 g/kg of the vegetable protein raw material; drying to obtain powdery vegetable hydrated protein. The method for hydrolyzing vegetable protein disclosed by the invention is capable of hydrolyzing a plurality of plant protein raw materials and reducing nutrient levels in the plant raw materials and is thorough in the hydrolyzing process.

To provide a high-shelf hydroponic cultivation system equipped with a solar panel whereby an area under the solar panel can be effectively utilized and plants can be stably grown.

In the high-shelf hydroponic cultivation system equipped with a solar panel according to the present invention, a cultivation tank is placed under the solar panel and plants P1 and P2 are hydroponically cultivated. Thus, an area under the solar panel 10 can be effectively utilized. Moreover, since the plants P1 and P2 are hydroponically cultivated in the high-shelf hydroponic cultivation system equipped with the solar panel, the plants P1 and P2 with high quality can be efficiently and stably cultivated. Furthermore, since the cultivation tank is placed at a specific height from the ground surface, a burden on an operator can be reduced, and the productivity of the plants P1 and P2 can be increased.

The invention relates to a sunscreen cream for sunlight burns resistance of plants, its manufacturing method and its application, and is used for preventing and controlling sunlight burns of high temperature and strong sunlight in summer to crops, fruit trees, vegetables and flower seeding. The sunscreen cream comprises the following raw materials by weight: 1 part of refined kaolin; 0.3 to 2 parts of titanium dioxide; 0.05 to 0.3 parts of dispersing agent NNO; 0.08 to 0.15 parts of water-soluble chitosan; 0.2 to 0.5 parts of starch and 0.01 to 0.03 parts of betaine. The sunscreen cream provided in the invention has the advantages of no pollution, no harm, no residue, simple preparation and biological safety, and has good dispersibility and a certain viscosity in water. A white loose coating layer can be formed after the spayed plant surface is dried, and has a certain light reflection, light-profness and good permeability, so that the surface temperature of the plant organs as well as the transpiration rate can be reduced. The sunscreen cream provided in the invention is used for preventing and controlling sunlight burns of high temperature and strong sunlight to the plant organs, and is capable of raising survival rate of the transplanting nursery stock, raising crops output, fruit and vegetable product quality and the survival rate of transplanting seedings without affecting the air exchange of the plants.

The invention discloses application of disease resistance-related protein to regulation and control of plant disease resistance. In the application disclosed by the invention, the disease resistance-related protein is A1), A2) or A3), wherein A1) is protein with an amino acid sequence shown in the sequence 2; A2) is protein which is obtained by performing the replacement and/or missing and/or addition of one or more of amino acid residues on the amino acid sequence in the sequence 2 and is related to the plant disease resistance; A3) is fusion protein obtained by connecting a tag at the N end or/and the C end of the A1) or A2). An experiment proves that the disease resistance-related protein disclosed by the invention and a coding gene thereof can regulate and control the plant disease resistance; the plant disease resistance can be improved through improving the expression of the disease resistance-related protein, and the plant disease resistance can be reduced through reducing the expression of the disease resistance-related protein, therefore, the plant disease resistance can be regulated and controlled by utilizing the disease resistance-related protein and the coding gene thereof.

A method using pseudomanas vesicularis to promote plant to repair the soil polluted by Ni features that said pseudomanas vesicularis, which can secrete Fe arrier and decrease the content of ethene in plant, is inoculated to the root of plant growing in said polluted soil for increasing the effect of plant to absorb the Ni, so repairing the soil.

The invention discloses a method for simultaneously removing USEPA PAHs in plant bodies by utilizing compound PAHs degrading bacteria. Multiple functional bacteria are prepared into a microbial compound functional fungicide, a plant absorption promoter, cytokinin 6-BA or KT, auxin 2,4-D and cysteine are added to prepare a degradation agent, then the degradation agent is inoculated in the plant bodies, and the PAHs content in the plant body is reduced; the compound fungicide is prepared from 8 PAHs degrading bacteria different in degradation spectrum, wherein the degrading bacteria are Sphingobiumsp sp. RS1 and RS2, mycobacterium sp. Pyr9, 033, Diaphorobacter sp. Phe15 and Massilia sp. Pn2, Paenibacillus sp. Phe3, Pseudomonas sp. Ph6 respectively. The acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo[a] anthracene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, dibenzo[a,h] anthracene, benzo[ghi]indene and [1,2,3-cd] pyrene in each plant body in a contaminated area can be effectively removed and degraded, the removal rate of PAHs is high, and the method has the advantages of high efficiency, environmental protection and easy operation.

The invention discloses a soil remediation method which comprises the following steps of 1), soil filtration. In the step 1), soil containing garbage is loosen by an excavator, the soil is primarily filtered by the aid of a filter screen, and after filtration is completed, the excavator is used for leveling the soil again. The soil to be restored is primarily filtered, so that most of solid matters can be filtered out, especially metal and plastic products which cannot be naturally decomposed, and thus the soil can be kept clean. The soil is recovered by various plants, so that the elements inthe soil can be effectively absorbed by the plants, and excessive sulfur and phosphorus elements in the plants can be reduced. Meanwhile, grass has strong vitality, quickly grows, and can be converted into nutrient substances after death.

The invention relates to a plant tissue liquid automatic intermittent immersion circulation cultivation device, which is characterized in that at least two groups of cultivation tanks are arranged around the nutrient solution tank, and the nutrient solution tank communicates with the cultivation tank through a high-temperature and high-pressure sterilized diversion tube to cultivate Gas concentration sensors, temperature sensors and humidity sensors are installed on the side wall of the tank, solenoid valve A and solenoid valve B are arranged on the upper and lower sides of the programmable integrated circuit board, and the reinforced polychloride on the left side of the programmable integrated circuit board A pressure regulator is set on the vinyl tube, the right side of the air pump is connected to the pressure regulator through a line, the lower end of the air pump is connected to the programmable integrated circuit board through a line, and an air filter is set on the reinforced polyvinyl chloride tube near the nutrient solution tank The front end of the branch pipe on the right side of the reinforced polyvinyl chloride pipe is provided with an air filter. The invention realizes liquid automatic culture, reduces dependence on agar in plant tissue culture, and reduces labor intensity.