125results about How to "Return to normal growth" patented technology

The invention discloses a plant growing promoter and the preparing method. It comprises chitlsan oligosaccharide, compound amino acid, micro nutritious element, complexing agent, surface active agent, etc. It can promote plant growth, activate plant cell, strengthen abilities of plant antivirus and pathogenic germs, strengthen plant anti-contradictoriness, promote plant to absorb nutrient, and improve the quality and output of the crop, besides without pollution.

The invention discloses a compound plant source agricultural bactericide and manufacturing method, which is characterized by the following: boiling traditional Chinese medicine with chenopodium ambrosioides, sickle wormwood, toosendanin and natural tanning; targeting plant fungus; displaying strong sterilizing specificity for cucumber, strawberry, tomato and potato.

The invention discloses a natural planting method of a mushroom, solving the problems of low quality and easiness of manual pollution because the traditional mushroom planting technology is limited in the room. The natural planting method comprises the following steps of: 1, culturing a strain: separating a field-planted sporocarp to obtain a patent seed, culturing the patent seed according to the conventional expanding propagation method, continuously culturing a breeder seed to obtain a planting strain; 2, culturing a mycelium; 3, selecting a natural environment for planting: selecting an original forest, a secondary forest and an artificial forest with the ground temperature of 4-15 DEG C, the air humidity of 42-88 percent, the soil pH value of 6-7 and the forest land and grassland canopy density of 0.3-0.7; and 4, managing fruiting. The mushroom is cultured and planted by using the natural environment, and the mushroom sporocarp grows and develops under a natural and wild condition to ensure that the growth environment of the mushroom is more excellent and the product quality is better.

The invention belongs to the technical field of fruit tree culture, in particular to a water culture nutrient solution prescription of a blueberry and a preparation method thereof. In the technology, the water culture nutrient solution of a blueberry comprises the following elements: 95-110mg / L of N, 10-15mg / L of P, 125-135mg / L of K, 80-90mg / L of Ca, 20-28mg / L of Mg, 4-6mg / L of Fe, 0.3-0.6mg / L of B, 0.4-0.6mg / L of Mn, 0.04-0.06mg / L of Zn, 0.02-0.04mg / L of Cu and 0.002-0.004mg / L of Mo. A pH value of the water culture nutrient solution is 4.8 to 5.5. The preparation method of the nutrient solution comprises the following steps of: weighing EDTA (Ethylene Diamine Tetraacetic Acid) ferrisodium, boric acid, manganese sulfate tetrahydrate, zinc sulphate heptahydrate, copper sulfate pentahydrate and ammonium molybdate tetrahydrate for dissolving into water and blending into 100 times of trace element mother liquor for storage and later use; additionally weighing calcium nitrate tetrahydrate, potassium nitrate, monopotassium phosphate and magnesium sulfate heptahydrate for dissolving into water; absorbing the trace element mother liquor into the solution according to the consumption; adding water for quantifying to needed volume; uniformly stirring; and adjusting the pH value of the solution to be 4.8 to 5.5 with 0.1mg / L dilute H2SO4 or dilute NaOH. By utilizing the technology, the water culture aims of growing a plurality of aquatic roots in 20 days after a blueberry seedling is transplanted and having the plant survival rate of more than 90 percent can be achieved.

The invention provides a submerged plant modularized growth bed and a method for recovering growth of underwater submerged plants. The submerged plant modularized growth bed comprises suspended solids, planting layers, plant layers, a growth substrate layer, a bearing layer and balance weight facilities, the submerged plant modularized growth beds are mutually connected to form an entire piece, micropores are formed in the bearing layer so that roots of the plants can penetrate through, the growth substrate layer adopts planting soil, the periphery of the planting layer is fixedly connected with the periphery of the bearing layer, the planting layers and the bearing layer wrap the growth substrate layer, the suspended solids are fixedly arranged around the submerged plant modularized growth bed, each suspended solid is hollow and is filled with air, and the balance weights are fixedly arranged at the lower end portion of the suspended solids to keep the depth of the modularized growth bed suspending on the water surface. The submerged plant modularized growth bed is reasonable in design, compact in structure, simple to manufacture, low in cost, simple to operate and convenient to manage, and the submerged plant modularized growth bed is degraded along with the growth of the underwater submerged plants, is free of pollution, protects the environment, is wide in application range, is widely popularized conveniently, and is favorable for recovery of the underwater submerged plants in different water areas.

The invention discloses aerobic bacterium-anaerobic bacterium composite microbe liquid inocula and a preparation method thereof. The composite microbe liquid inocula comprise six liquid aerobic microbial agents and four liquid anaerobic microbial agents. The liquid aerobic microbial agents comprise a bacillus megaterium agent, a liquid Azotobacter chroococcum agent, a liquid bacillus mucilaginosus agent, a liquid streptomyces microflavus agent, a liquid bacillus subtilis agent and a liquid bacillus licheniformis agent. The liquid anaerobic microbial agents comprise liquid photosynthetic bacteria, a liquid lactobacillus plantarum agent, a liquid lactobacillus acidophilus agent and a liquid lactobacillus delbrueckii agent. The preparation method comprises culturing six types of aerobic bacteria to obtain six liquid aerobic microbial agents, culturing four types of anaerobic bacteria to obtain four mixed liquid anaerobic microbial agents, and injecting the six liquid aerobic microbial agents into the mixed liquid anaerobic microbial agents to obtain the composite microbe liquid inocula. The composite microbe liquid inocula have a quality guarantee period for one year or more at the normal temperature and have functions of nitrogen fixation, phosphate dissolution, potassium release, disease prevention and soil improvement.

The invention discloses a preparation method of a leaf vegetable nano leaf fertilizer. According to the method, raw materials are smashed and decomposed into nano-scale materials through high-temperature stirring, electron beam irradiation and ultrasonic treatment based on lignin containing a net structure and active radicals in papermaking black liquid, and the adsorptive property of the lignin is increased, so that a phosphate fertilizer, a nitrogen fertilizer, a potash fertilizer, imino disuccinate chelated microelements, two conditioners such as rapin and biochemical fulvic acid and nanometer titania are adhered and bonded together to prepare the leaf vegetable nano leaf fertilizer. The preparation technology is simple, low in cost and high in controllability, the prepared leaf vegetable nano leaf fertilizer is scientific in proportioning of the raw materials and high in total nutrient content, the product is mixed with water, the mixture is sprayed and applied onto leaves of leaf vegetables, so that on one hand, nutrients of the leaf fertilizer can be fixed on the leaves, drifting, leaching loss and evaporation of the fertilizer are reduced, on the other hand, nutrient absorption and movement inside the leaves of the leaf vegetable fertilizer can be promoted, and the absorption and utilization rate is high.

The invention relates to animal husbandry culture, in particular to a method for ecologically raising pigs by using a biological fermentation bed. Live pigs are raised on a bed ring; a backing material for the bed ring is divided into two layers, the bottom layer is provided with straws, and the upper layer is provided with sawdust, rice husks, coarse salt and biological fermentation inoculants, wherein 0.8 to 1.5 kilograms of biological fermentation inoculants are added into each cubic meter of sawdust, and the mass percent ratio of the sawdust to the rice husks is 7 to 3; meanwhile, the mass percent of the coarse salt to the sawdust is 1: 0.1- 0.3 percent; and the mass percent ratio of the sawdust to the straws is 7 to 3. The method has the advantages of saving energy, protecting environment, saving materials with high efficiency, improving the body performance of stunting pigs, recovering the growth situation and improving the birth giving rate of sows by 30 to 50 percent, and is suitable for large, medium and small-sized culture.

The invention discloses a biological feed for soft-shelled turtles. The biological feed contains a bacillus licheniformis premix and a Chinese herbal medicine preparation, wherein the Chinese herbal medicine preparation is prepared from the following raw materials: radix isatidis, honeysuckle, dandelion, licorice, rheum officinale, rhizoma coptidis, radix scutellariae and cortex phellodendri; the bacillus licheniformis premix is a microencapsulated preparation of bacillus licheniformis. The biological feed is used for feeding young soft-shelled turtles, and can promote growth and survival rate of the young soft-shelled turtles, increase the reward of feeds, and shorten the incubation period of the soft-shelled turtles. Once the feed is used for feeding adult soft-shelled turtles, the soft-shelled turtle can be promoted to be large, the weight is increased significantly, the weight is uniform, and the skin of the whole body of the soft-shelled turtle is yellow and beautiful. The feed promotes the hematopoietic function and wound healing of the soft-shelled turtles, and enhances the immunity and disease resistance of the soft-shelled turtles. The death rate caused by stress is reduced.

The embodied invention generally pertains to compositions, and the methods of making and using said compositions for promoting hair growth, slowing hair loss, and for preventing or minimizing hair loss that are effective and able to treat multiple aspects of the problem in one product and additionally is comprised of natural oils and minerals which greatly reduce the toxicities and side effect issues associated with present products. The compositions or formulations of the present invention relate to a hair loss solution that solves the problems associated with the loss, and damage of hair by working from the root to the surface of the scalp and to the hair shaft by treating a plurality of the causes and / or triggers associated with hair loss, or the prevention of hair re-growth.

The invention discloses the application of a gene PHYB for controlling rice drought stress toleration, belonging to the technical field of gene engineering. In the invention, a full-length code area of a rice PHYB gene is amplified by a PCR method and is reversely connected with a plant expression vector pIG121Hm-8, the rice is genetically transformed into a rice variety (Oryza sativa L. japonica. cv. Nipponbare), and the endogenous PHYB gene expression of the rice is inhibited to obtain a transgenic plant with inhibited rice PHYB gene expression. In a genetically modified T3 generation plant, the drought stress toleration of a positive rice plant is obviously higher than that of a negative rice plant. Under the same conditions, after the plants are dehydrated and condensed, above 70 percent of genetically modified positive plants can restore normal growth, and only 5-10 percent of corresponding wild plants can restore normal growth.

A process control system for a crystal-growing apparatus is provided which includes a process controller and a temperature controller. The temperature controller includes an input terminal which receives a temperature adjustment signal from a bottom heat thermocouple indicating the melt temperature. Based on the melt temperature, the temperature controller determines whether to increase, decrease or keep constant the melt temperature. The temperature controller further includes two additional input terminals which receive pulses from a pulse generator of the process controller for automatically controlling temperature switches of a bottom heater temperature controller in accordance with the sensed level of the melt. The pulses are generated by the pulse generator upon receiving data with respect to how much the temperature needs to be adjusted and in which direction (increase or decrease).

The invention discloses a container cultivation method for a nursery stock. The method sequentially comprises the following steps: in a plantlet breeding stage, carrying out container cultivation, sterilizing perlite and peat which have the weight ratio of 1:1 and serve as cuttage media, and taking the nursery stock out of a nursery when a tray is full of the roots of the nursery stock; selecting different containers for plantlets which meet out-nursery requirements according to different cultivation targets, filling potting media in the containers, and then arranging plantation, wherein the potting media comprise northeast peat, pine bark and rice chaff according to the volumetric ratio of 5:4:1; after potting, timely watering the nursery stock; after first-time watering, diluting 1,500-times mist spray medium sealing grass by using 90 percent of harness, wherein the spraying quantity of a dilute solution is 30-50kg / mu. The method has the advantages that the cultivation period is shortened; the year increment and the quantitative indexes such as plant height are improved by over 30 percent; the laminas of the nursery stock are enlarged and thickened; the quality is obviously improved; the consistency of the nursery stock is improved; the standardization and the industrialized production of the nursery stock are realized; the transplanting survival rate of the nursery stock is improved.

The invention relates to a composition with a function of relieving phytotoxicity of a glyphosate herbicide and application of the composition, belongs to the field of treatment and prevention of crop diseases, and aims at providing a composition with a function of relieving phytotoxicity of a glyphosate herbicide. The active components of the composition comprise algal polysaccharide, brassin and gibberellic acid according to a weight ratio of 1 to (0.02-0.2) to (0.02-20). The composition is capable of relieving phytotoxicity of the glyphosate herbicide; the amino acid synthesis in plant bodies can be accelerated; the amino acids damaged by the phytotoxicity can be supplemented; the adsorption amount of the herbicide in the plant bodies can be reduced; meanwhile, the content of chlorophyll in the plant bodies can be increased; the growth of the crops can be quickly recovered; the influence of on the final yield of the crops caused by the phytotoxicity is reduced.

The invention discloses a plant antidote. Diethyl aminoethyl hexanoate, vitamin C and various trace elements are taken as main ingredients and are prepared into the plant antidote. The plant antidote has the advantages that the phytotoxicity to crops generated by various pesticides is prevented, the immunological competence of the crops is increased, the vivotoxin of the crops is efficiently eliminated, the growth of the crops is quickly recovered, the development of a root system is boosted, the tillers and branches are increased, the maturing rate of fruit is increased and the yield and quality are increased.

The invention discloses a Saisentong-containing agricultural bactericidal composition which overcomes the defect of a single preparation. The invention discloses a composition of a bactericidal active compound. The bactericidal active compound contains Saisentong I and another any one of known bactericidal active compound II, and is mainly applied to prevention and treatment of diseases caused by plant fungi and bacteria. The composition of the bactericidal active compound has a synergetic bactericidal activity, improves the compatibility with plants, and is used for meeting the needs of agricultural production. The composition disclosed by the invention has reasonable constituents, is capable of playing the roles of treatment and protection, is good in bactericidal effect, and is capable of effectively reducing medication times and reducing medication cost; moreover, the activity and the bactericidal effect are a remarkable synergistic effect instead of simple superposition for the activities of the various constituents, the generation of resistance can be slowed down, the safety of the medicated crops is good, and the safety requirements on pesticide preparations can be met. The composition disclosed by the invention has good prevention and treatment effects on rice sheath blight, wheat sharp eyespot, false smut, rice leaf blight, bacterial stripe and the like on cereal crops.

The invention relates to the field of tree protection, and specifically relates to a reparation method of large-area bark loss of a landscape tree trunk. The method comprises the following steps: a tree trunk portion with large-area bark loss is cleaned, and bark on the edge of the portion is scratched off; bark on the trunks of a plurality of saplings is scratched open; the scratched-open parts on the plurality of saplings are positioned close one by one, and the fleshy parts and xylem parts of the saplings are correspondingly docked with the fleshy part and xylem part of a landscape tree; and the saplings are bundled with the landscape tree; water and nutrients are supplied to the saplings regularly; and when the bark of the saplings and the bark of the tree are fused and integrated, tree heads on the upper parts of the saplings and trunks on the lower parts of the saplings are trimmed off, and sealing and waterproofing treatment is carried out upon the trimmed parts of the saplings on the landscape tree. The method has the following advantages: saplings are used for repairing the landscape tree with large-area bark loss, such that the reparation process is simple, the success rate is high, and production cost is low. With the method, an ancient tree is provided with a new look. The method is suitable for reparation of precious ornamental trees.

The invention provides a method for restoring a missing bark of a tree body. The method comprises the following steps: (1) cleaning a wound; (2) disinfecting, using a bactericide to wash the wound after cleaning the wound, applying a wound restoration agent on the wound, and air-drying the wound; (3) extracting the provided bark, and choosing a straight smooth thick and strong water sprout or temporal bearing branch on a robust plant as a bark taking material; (4) conducting the operation of transplanting the bark, slightly lifting the healthy bar around the wound, rapidly embedding the provided bark on the part of the wound integrally, enabling the periphery of the provided bark to be in close connection with a cambium under the healthy bark of the wound, and finally binding and immobilizing. The bark taking material and the wounded tree body are rapidly combined and grown into a whole, the growing power of a tree is restored, and the service life of the wounded tree is prolonged. The bark taking material used for restoration is basically not different from the bark of the wounded tree, the success rate of restoration is high, and the restoration process is simple in operation, and is easy to master.

The invention relates to a sandworm trapping device. The sandworm trapping device comprises a conveying mechanism, a separating mechanism, a washing mechanism, a digging mechanism and an earthing mechanism, wherein the earthing mechanism is arranged at the rear of the conveying mechanism; the separating mechanism is arranged at the lower end of the front of the conveying mechanism; the washing mechanism and the digging mechanism are arranged in front of the conveying mechanism; the conveying mechanism comprises a car body, both ends of the car body are symmetrically provided with two driving racks, the center of the upper end of the car body is provided with a controller, a power source and a wireless receiver, the controller is connected with the power source through a wire, and the wireless receiver is connected with the controller through a wire; the upper side of the front end of the car body is provided with a hydraulic lifting bar which is fixedly provided with a connecting support bar; the separating mechanism comprises a push shovel and first hydraulic pushrods, the first hydraulic pushrods are fixed at both ends of the car body, and the push shovel is hinged to the front end of the car body. The sandworm trapping device achieves a mechanical and efficient sandworm trapping function and has the advantages of being high in efficiency and automation degree, capable of continuously working for a long time and the like.

The invention discloses a flocculating agent for ecological remediation of black smelly surface water, belongs to the field of sewage treatment, and solves the technical problems that the existing inorganic flocculating agent is weak in flocculation force and low in precipitation speed. The flocculating agent for the ecological remediation of the black smelly surface water is prepared from the following components in parts by weight: 5 to 20 parts of modified sepiolite powder, 5 to 20 parts of modified diatomite powder, 5 to 20 parts of modified bentonite powder, 5 to 10 parts of magnet powder, 20 to 45 parts of gypsum powder, 10 to 40 parts of alunite powder, 10 to 25 parts of soda ash, and 5 to 20 parts of silicate cement powder. The invention also discloses a production process of the flocculating agent.

The invention relates to the field of technological agricultural planting, in particular to a planting method for Taiwan morus macroura. The method includes the following steps of land selecting and preparing, wherein the land which has a thick soil layer and is convenient to drain and irrigate is selected, and planting holes are prepared; planting, wherein healthy Taiwan morus macroura saplings are selected and planted; laying an irrigation system, wherein after the morus macroura saplings survive, the water and fertilizer integrated irrigation system is laid in the morus macroura planting land; field management; harvesting, wherein morus macroura is harvested after being matured, and old branches are pruned after each time of harvesting. The planting method for Taiwan morus macroura is provided, the problem that morus macroura fruits are prone to falling off in the planting process of the Taiwan morus macroura can be effectively solved, and economic benefits of planting are increased.

The invention discloses a Chinese herbal medicine for preventing fish teniasis, which is characterized by being prepared from the following drug substances: 4 to 6 parts of the tuber of stemona, 5 to 8 parts of pumpkin seed, 4 to 6 parts of cortex granati, 2 to 4 parts of cocklebur fruit, 2 to 4 parts of almond, 2 to 4 parts of rhizoma zingiberis, 2 to 4 parts of kuh-seng, 5 to 8 parts of liquorice, 5 to 8 parts of yam, 4 to 6 parts of astragalus mongholicus and 4 to 6 parts of isatis root. The drug substances are respectively ground into powder with specification of 120 meshes through an ultrafine grinder, the obtained powder is added into a feed according to a proportion of 0.1 percent to 0.3 percent, and fishes are continuously fed with the feed for one course of treatment namely 3 to 6 days; the Chinese herbal medicine disclosed by the invention can comprehensively consider the proportion of each medicine component of the Chinese herbal medicine, enables the medicine effects to play the greatest benefits and not only prevents and expels insects and kills injurious insects in fishes, but also can promote the fishes to rapidly recover and grow; and the Chinese herbal medicine uses a small number of herbal medicines, is low in cost, has obvious effects, has no influence on ingestion of fishes and has popularization value.

The invention discloses a macadimia nut rapid failing disease treatment method. The treatment method comprises the steps that 1, cut back of tree crown, pruning of tree leaves: based on the extent of failing, the tree crown is cut back, the dried-up leaves and branches with failure symptoms are all pruned and removed; the macadimia nut tree with pruned leaves and branches reaching 50% or above after the completion of the pruning is covered by a shading net; 2, root irrigation: after the pruning is completed, fulvic acid potassium with a concentration of 2-5%, root rot with a concentration of 0.5-1% and urea with a concentration of 2-5% are respectively used to irrigate, root irrigation is conducted once every 15-30 days, and the root irrigation is continued for 2-5 times; 3, after manuring, young leaf growth speeding up: after manuring is conducted at the time of root irrigation supplemented by the leaf fertilizer, to speed up the recovery of tree development tendency; 4, fertilizer increasing and tree development tendency reinforcing: at the later period of root irrigation, bio-organic fertilizer or nut special fertilizer is applied to reinforce the tree development tendency. The treatment method is simple, and easy to operate; the normal growth of the macadimia nut can be effectively recovered, the resurgence rate after the treatment reaches 95% and above, and economic losses are effectively lowered.

The invention discloses an agricultural bactericidal composition with saisentong. By the aid of the agricultural bactericidal composition, shortcomings of single preparations can be overcome. The agricultural bactericidal composition which is a bactericidal active compound composition comprises the saisentong I and another optional known bactericidal active compound II. The agricultural bactericidal composition has the advantages that the agricultural bactericidal composition is mainly applied to preventing and treating diseases due to plant fungi and bacteria; the agricultural bactericidal active compound composition has synergistic bactericidal activity and is used for meeting requirements of agricultural production, and the plant compatibility of the agricultural bactericidal active compound composition can be can be improved; the agricultural bactericidal composition contains reasonable components and has treatment and protection functions, good bactericidal effects can be realized, the pesticide use frequency can be effectively reduced, and the pesticide application cost can be lowered; the activity and the bactericidal effects of the agricultural bactericidal composition are not simple addition of the activity of the various components, obvious synergistic effects are realized, resistance can be relieved, the agricultural bactericidal composition is good in pesticide-applied crop safety, and safety requirements on pesticide preparations can be met; good prevention and treatment effects can be realized by the agricultural bactericidal composition for rice sheath blight, wheat sharp eyespot, rice false smut, rice leaf blight, bacterial stripe and the like of cereal crops.

The invention provides liquid fertilizer for preventing and controlling rape plasmodiophora brassicaeis and is characterized by being prepared from an enzyme bacterium quick composting agent, garlic stems and leaves, folium artemisiae argyi, pig hairs, brown sugar, calcium powder, boron fertilizer, rare earth, sodium naphthalene acetate, indole-3-butyric acid potassium, sulfuric acid and water. The liquid fertilizer provided by the invention has the advantages that 1, wastes are changed into valuable things; 2, a formula is scientific; 3, an application effect is good; 4, continuous cropping is carried out on a cultivated land; 5, the quality of agricultural products is improved and the body health of people is facilitated; 6, the product is low in price and good in quality.

The invention relates to a preparation method of an active multi-nutrition foliage fertilizer. The method comprises the following steps: on the basis of parts by weight, adding 2-4 parts of 5-aminolevulinic acid, 1-2 parts of 3,5-dimethylpyrazole phosphate, 2-4 parts of zinc glycinate, 3-5 parts of magnesium sulfate, 30-40 parts of urea, 3-5 parts of carboxymethyl starch potassium, 20-30 parts of ammonium dihydrogen phosphate, 5-10 parts of ammonuim humate, 5-10 parts of brown sugar, 10-20 parts of potassium nitrate, 0.2-0.3 part of potassium nitrate and 0.5-1 part of sorbitol polyoxyethylene ether 4-stearate; and crushing the raw materials and mixing evenly, so as to obtain the active multi-nutrition foliage fertilizer. The active multi-nutrition foliage fertilizer disclosed by the invention is good in absorption, quick in acting, and significant in fertilizer efficiency; the crop is vigorous in growth; the fruit is good in quality; the output is obviously improved; and the active multi-nutrition foliage fertilizer can be widely applied to planting of crops such as apples, grapes, vegetables and the like.

The invention discloses a porcine antidiarrheal traditional Chinese medicine and a preparation method thereof, and relates to a traditional Chinese medicine formula for treating piglet diarrhea and the preparation method thereof. The invention aims to prepare the porcine antidiarrheal traditional Chinese medicine, and particularly prepare a Chinese herbal medicine capable of preventing piglet diarrhea, so that the problem of high death rate of piglets is solved. The medicine is prepared from the following main components in parts by weight: 100-150 parts of radix bupleuri, 160-250 parts of the root of Chinese pulsatilla, 100-130 parts of humifuse euphorbia herb, 30-40 parts of coptis chinensis and 30-50 parts of liquorice. The porcine antidiarrheal traditional Chinese medicine has the advantages of safety and reliability, no toxic and side effects and remarkable curative effect.

The invention discloses a preservation method of chlorella concentrate, comprising the following steps: (1), flocculating chlorella liquid respectively with 120-200 mg / L of alums and 30-60 mg / L of iron chloride, centrifuging and concentrating chlorella to prepare chlorella concentrate, and storing at 4 DEG C for use; (2), subpackaging the prepared chlorella concentrate in 5ml freeze-storing tubes, sealing the free-storing tubes where the chlorella concentrate is loaded, with black plastic bags, placing in a refrigerator at 4 DEG C, and storing for 3 months. The preservation method is simple to perform, good in preserving effect, widely applicable and low in cost.

The invention discloses a landscape plant rooting agent. Every 1L of water contains the following components in parts by weight: 0.1-0.4g of ABT rooting powder, 0.2-0.6g of indoleacetic acid, 0.1-0.4gof naphthylacetic acid, 0.1-0.3g of alginic acid, 0.1-0.3g of boric acid and 0.3-0.8g of potassium nitrate. The rooting agent is convenient to use and contains multiple nutritional ingredients, and the landscape plant rooting effect and the rapid growth recovery of big transplanted landscape trees can be effectively improved. The invention further discloses a preparation method of the landscape plant rooting agent.

The invention discloses a siRNA (small interfering ribonucleic acid) inhibiting PDCD4 (programmed cell death4) gene expression and application of the siRNA. The sense strand sequence is: 5'-GGAGCGGUUUGUAGAAGAA-3', and the anti-sense strand sequence is: 5'-UUCUUCUACAAACCGCUCC-3'. The siRNA inhibiting PDCD4 gene expression provides a novel technical scheme for studying functions of PDCD4 genes, andsensitivity of leukemia cells to chemotherapeutic drugs can be remarkably reduced by using siRNA to silence PDCD4.