128 results about "Poplar trees" patented technology

The invention relates to a method for planting poplar trees in coastal saline-alkali soil, which comprises the following steps of: filling earth; digging and processing plant pits; improving earth for refilling the plant pits; selecting quality of tree stock; planting; building a cofferdam; and watering and nursing, wherein in the step of filling the earth, the whole or local terrain is lifted, and the highest underground water level is controlled to be below 1.5m; in the step of digging and processing the plant pits, the plant pits in large specification are dug, and a salt isolating and water pouring layer with the thickness of 0.1 to 0.3m is laid at the bottom of each plant pit; and in the step of improving the earth for refilling the plant pits, the salt content of the earth for refilling the plant pits is less than 0.5 percent, the pH is between 6.5 and 8.5, and the soil is powdery or granular and is mixed with a soil structure improver and an organic fertilizer. The method has the advantages of high operability and low implementation cost, and can effectively prevent the earth in the plant pits from returning salt, being alkalified and accumulating salt. Demonstration application proves that the survival rate of the planted polar trees is over 95 percent; moreover, the poplar trees grow vigorously and have a few plant diseases and insect pests in a later period, and have good landscape greening ecological effect.

The invention discloses a culture material for industrial cultivation of Pleurotus eryngii. The culture material is made from the following raw materials by weight: 17 parts of white poplar twood chips, 17 parts of corn cobs, 10 parts of Jujun grass or elephant grass, 10 parts of bagasse, 20 parts of wheat bran, 10 parts of soybean meal, 10 parts of corn flour, 5 parts of light calcium carbonate and 1 part of lime. The Pleurotus eryngii product cultivated by the culture material provided by the invention is detected to meet the requirements of green fool, the fruiting speed is fast, and the fruiting cycle is shortened. A cycle lasts for 46 days, wherein spawn running accounts for 26 days, and the fruiting accounts for 20 days. The product quality is good, and the biological conversion rate is high and is up to over 70%. The finished product mushroom has a high proportion, which accounts for more than 85% of the yield.

The invention discloses a method for planting poplar trees on coast saline-alkali soil by utilizing saline water. The method comprises the following steps of: first, constructing a saline water pond or a saline water ditch for providing a saline water source; then, building plots in a planting area so as to irrigate; when the highest air temperature is below zero in winter, irrigating the saline water for freezing rapidly; coating a film for inhibiting water evaporation and soil salt return in spring; culturing seedlings by adopting nutrition bowls and transplanting at proper time; and coating by using straw after a rainy season. The method has the advantages that: the salt content of the soil can be remarkably reduced when an ice layer melts in spring and the water content of the soil is improved to provide a suitable growing environment for the polar tree by adopting a method for freezing and irrigating the salt water in the winter; the utilization rate of the salt water in the saline-alkali soil is improved; over 120 cubic meters of fresh water can be saved per mu; the water evaporation of the soil and the accumulation of salt on the surface are inhibited by coating the film in the spring and the water condensed on the film is returned back to the soil, so that an effect of eluting the soil salt is achieved; and survival rate of the poplar trees can be improved remarkably by a transplanting method by using the nutrition bowl, wherein the survival rate can reach over 90 percent.

The invention belongs to the technical field of microbial fermentation, and concretely relates to a method for preparing a distillers' grain protein feed through three-stage mixed bacterium solid state fermentation. The method comprises the following steps: 1, first stage fermentation: carrying out high temperature fermentation on an A group bacillus combined seed liquid at 60DEG C with distillers' grains as a substrate to obtain a distillers' grain fermentation material; 2, adding locust tree leaf powder, poplar tree leaf powder and wheat bran to the distillers' grain fermentation material obtained after the first stage fermentation, inoculating a Geotrichum candidum, yeast and Trichoderma spp. seed liquid, and blending to obtain a fermentation material, and carrying out second stage fermentation; and 3, inoculating a final product obtained after the second stage fermentation to a B group bacillus combined seed liquid, carrying out third stage fermentation to obtain a final fermentation product fresh distillers' grain protein feed, or drying, crushing, granulating and packaging to obtain a particulate distillers' grain protein feed. The content of crude proteins in the distillers' grain protein feed prepared by adopting the method is 29-32% averagely, and is 58-74% higher than the content of crude proteins in dry distillers' grains.

The invention provides an authenticity evaluating method for a populus-type propolis based on multi-index quality control, and caffeic acid, p-coumaric acid, ferulic acid, rutin, myricetin, cinnamic acid, galangin, chrysin, pinocembrin and CAPE in the propolis are detected by high performance liquid chromatography. A mixing standard sample of caffeic acid, p-coumaric acid, ferulic acid, rutin, myricetin, cinnamic acid, galangin, chrysin, pinocembrin and CAPE is taken as a reference index in the method; wherein whether the propolis is from a populus-type material is defined by the existence or inexistence of cinnamic acid, galangin, chrysin, pinocembrin and CAPE, a poplar tree's gum and the propolis are distinguished by the existence or inexistence of caffeic acid, p-coumaric acid and ferulic acid, adulteration or no adulteration of rutin or myricetin is determined by taking rutin or myricetin as a reference; and thus a detection method for distinguishing between the poplar tree's gum and the populus-type propolis, and adulteration or no adulteration of rutin or myricetin, is constructed, and the method helps to evaluate whether a sample is from populus plants, and helps to achieve discarding of the false and retaining of the true about the populous-type propolis.

The invention discloses a high-efficiency phytate degradation bacterium Rahnella aquatils and an application thereof in prompting plant growth. The classification naming of the high-efficiency phytate degradation bacterium is Rahnella aquatils JZ-GX1 which is preserved in the China Center for Type Culture Collection, the preservation number is CCTCCNO: M2012439, the preservation date is, November 6th, 2012, and the preservation address is Wuhan, China. The Rahnella aquatils JZ-GX1 disclosed by the invention has higher phytase activity, can effectively degrade slightly solubility phytate such as calcium phytic acid and the like; and the bacterium also can produce phytohormone IAA. A series of growth prompting tests show that compared with a reference phase, the bacterium has a significant prompting function to the sprouting and growth of corn and the growth of poplar trees and piney. Excellent bacterium resources are provided for biological bacterial fertilizers for plants such as corn, poplar trees and piney.

The invention relates to sand accumulating and forest planting technology in an extremely drought Gobi sand area, which fully utilizes conditions that the Gobi sand area is open, the wind carries quicksand on the near surface and the Gobi sand area has certain flood recession to accumulate sand in planting pits, utilizes the condition that the Gobi area is close to certain flood-recession facilities to irrigate the planting pits and accumulate silts, and utilizes the condition that autumn flood is relative rich to plant forest. The technology firstly plants adaptable species in the Gobi sand area, such as narrow-leaved oleaster and Chinese tamarisk to form an early arbor-bush mixed forest, then plants bush plant species which grow quickly, such as Calligonum rubicundunm after a certain condition of accumulated sand and silt is formed in the forest belt to further strengthen sand fixing function of the forest belt, and plants less adaptable arbor tree species, such as poplar tree after relative good soil and water conditions are formed in the forest belt so as to gradually increase species diversity and strengthen comprehensive prevention function of the forest belt.

A method for breeding fast-growing poplar tree includes the first bud grafting between the twigs of southern-type poplar and northern-type poplar, the second bud grafting between same poplars, mutual grafting between their survival saplings, direct cuttaging, and grafting with the new saplings. Its advantages are high growth speed, high trunk, high wood quality, and high resistance to cold and drought.

The invention discloses an interplanting method of trees and crops, which is characterized in that poplar trees, corns and potatoes are interplanted in the same land, eight rows of poplar trees are planted from north to south, and corns and potatoes are planted at intervals in the eight rows of poplar trees in the south direction. The interplanting method of the trees and crops is of a large line spacing technical mode integrating the forestry and the agriculture. Multiple plants are planted in the same land and are free from influencing each other, so the utilization rate of the land and the solar is improved, the ventilation and the light transmission problems are solved, the growth of the plants is satisfied, and the monotypic field is changed to multi-typic field, so the unit area yield and the quality are improved.

The invention provides a cultivation method of oyster mushrooms under poplar woods, belongs to the field of ecological economy, and in particular relates to reasonable transformation and utilization of resources under woods. The cultivation method of oyster mushrooms under poplar woods comprises the following steps: 1, selecting fields; 2, selecting mushroom cultures; 3, manufacturing mushroom bags; 4, inoculating; 5, woodland soil-covering cultivating; and 6, mushroom fruiting managing. The implementation of the cultivation method of oyster mushrooms under poplar woods can fully utilize natural environmental conditions of open spaces under woods, produce green and safe foods, and not only saves cultivation cost of the oyster mushrooms, but also increases economic benefit of tree farms.

The invention discloses method of planting a grafted Teak (Tectona grandis) trees and belongs to the technical field of tree planting. The first step of planting method is preparing the seeds and creating initial Teak trees. Secondly, seven different species of trees including Poulownia trees, Pine trees, Western white pines, Azobe trees, Red wood trees, White cedar trees, Soft maple trees are grafted onto the initial Teak trees to create the grafted Teak trees. Next, the grafted Teak trees shall be taken care to adapt to the environment. After that, the grafted Teak trees shall be sterilized and planted in the nurseries. Finally, the grafted Teak trees shall be moved to the farm for large-area planting. The method of planting brings advantages of seven grafted trees into the grafted Teak trees, including high survival rate, fast growth, straight and large diameter trunk, high quantity, light weight, waterproof, heat resistance and good resistance against termites, flexibility and fire resistance, adaptation to harsh soil conditions and bad climate.

The invention relates to a tea tree flowering gene CsFT and an encoding protein thereof, belongs to the technical field of molecular biology, and provides transcripts CsFTa and CsFTb of the tea tree flowering gene CsFT and the encoding protein thereof. A plant expression carrier is established by the tea tree flowering gene, poplar trees with different genetic backgrounds are converted by agrobacterium, and an obtained transgenic poplar tree plant has obvious early flowering phenomenon, so that the gene has the function of inducing the early flowering of the poplar tree. The tea tree flowering gene has the advantages that after the plant expression carrier of the gene CsFT is applied to the tea tree, the flowering of the tea tree can be accelerated, the growth period of the tea tree is shortened, and the genetic improvement and variety breeding of the tea tree are promoted.

The invention relates to a cultivation method of golden leaf poplar trees. In the method, a populus tree species in salicaceae is taken as a rootstock, and the populus tree species in the salicaceae is taken as a scion for grafting. The method comprises the following steps: (1) selecting a scion branch with 2-4 full buds, cutting the lower end of the scion into a wooden wedge shape; (2) cutting off the rootstock at a position where the straight rootstock bark has no knot, and splitting a vertical split mouth with the depth slightly longer than the scion in the middle of a cutting plane; (3) inserting the lower end of the scion into a cut of the rootstock, binding and properly sealing an interface with plastics; (4) removing rootstock shoots in time; and (5) removing the binding plastics after the scion survives, thus completing the cultivation of color leaf poplar trees. The method is characterized by a few steps and easy operation, and the cultivated golden leaf poplar trees have the advantages of salt and alkali resistance and ornamental value, are good materials for urban and rural road forest networks (especially for urban greening), are applicable to being planted in saline-alkali tideland and infertile soil areas, and are a tree species which enriches and expands urban greening gardens and has ornamental value.

The presently claimed invention is related to a method for vegetative propagation of poplar trees (Populus sp.), from prepared leaf cuttings, wherein the method comprises the steps of: a) providing cuts of leaf cuttings from a donor tree, b) immersing the prepared leaf cutting into a combination of growth regulators, c) planting the prepared leaf cutting into a solid substrate of organic and / or inorganic origin, d) inducing sprouting and rooting of the prepared leaf cutting, by means of controlled ambient temperature, humidity and illumination, wherein steps a) through d) always occur outside an in vitro environment; and embodiments thereof.

The present invention discloses a packing chest plank stuff and a manufacturing method. The packing chest plank stuff consists of a middle layer, an upper strengthen layer and a lower strengthen layer. A structure layer is made of crop leftover and glue composition. The upper and the lower sides use poplar veneer skin and are processed through material mixing, glue stirring, paving, pressing and curing, stripping and trimming and other steps. The plank stuff has the advantages of high strength, light weight, good flexible, convenient transport and good processing performance and so on. Crop leftover is used as the main raw material, which has extensive source and low price, saves a lot of timber and belongs to environmentally-friendly plank stuff.

Nitrogen is one of the principal factors limiting vegetative production. The present invention has improved the nitrogen metabolism in Poplar by integrating a transgene constitutively expressing a pine glutamine synthetase into the plan genome. The resulting transgenic trees exhibit higher growth rates, protein and chlorophyll contents, and leaf area than equivalent untransformed trees. It is contemplated that this approach to nitrogen improvement will be equally successful for all woody perennials. Provided with the invention is an expression casette, a vector, and a method for increase glutamine synthetase activity in woody perennials, as well as transgenic woody perennials with enhanced nitrogen metabolism and accompanying phenotype.

The invention relates to a plant furnishing method for water and soil loss prevention and control. According to the plant furnishing method for water and soil loss prevention and control, poplar nursery stocks are planted in bare land free of ground cover and having severe soil erosion, poplar trees are planted according to plant row spacing of 1.5*2 m or 2*4 m, oil sunflowers are inter-planted, ground cover is added, water and soil loss is decreased, and meanwhile economic benefit is increased; after poplar trees are 5 years old, intermediate cuttings is performed in planted land with the plant row spacing of 1.5*2 m or 2*4 m, the density is adjusted to be 3*4 m to increase ventilation and light transmission of the land, promote growing of ground portions, improve photosynthetic capacity of tree bodies, widen a root range, enhance the improvement effect of root systems to soil and play ecological and economic benefits of the trees to the maximum extent, and shallow-deep-shallow surface soil tillage is performed at a thinning stage, a final singling stage and a squaring stage respectively to decrease soil erosion caused by ploughing. By means of the plant furnishing method, the problems of poor soil property and poor ecological conditions in new reclamation areas of lli River Valley, low agricultural cultivation productivity and severe regional soil erosion are solved.

The invention discloses an improved nursery stock grafting method. The improved nursery stock grafting method includes stock cultivation, scion collection and treatment, grafting, and management aftergrafting. The improved nursery stock grafting method has the advantages that grafted stocks and scions are planted, cultivated, selected and cut, transverse cuts of the scions are inserted into transverse cuts of the stocks to grafting cortexes of the scions and the stocks in an aligned way, a special plastic tape is used for bundling, and nursery stocks are grafted through adhesion; the method is simple to operate, easy to learn and understand and convenient to master, and the grafting speed and the survival rate are high; the adhesion process has a wide application range, and can be appliedto to-be-grafted nursery stocks of apple trees, pear trees, peach trees, apricot trees, poplar trees, eucalyptus trees and the like; the method can be applied when the grafted nursery stocks are notpeeled off, thereby having high practicability.

The invention relates to a method for improving the adversity resistance of plants. According to the method for improving the adversity resistance of the plants, a coding gene of CBL10 polypeptide of a poplar tree is transferred into the plants, further the salt resistance, thermal resistance and drought resistance of the plants are improved, growth of the plants is promoted, and biomass of the plants is improved. The method for improving the adversity resistance of the plants can be applied to improvement of plant variety.

The invention discloses a culturing and planting method of poplar trees for improving saline and alkaline land. The culturing and planting method comprises the steps of culturing seedlings and transplanting, wherein the step of culturing the seedlings comprises the following specific steps of: filling a seedling culturing cup with compost, screening dormant wood of poplar tree seeds and cutting the dormant wood into the seedling culturing cup and culturing in a greenhouse for 50-70 days until tree seedlings survive; the step of transplanting comprises the following specific steps of: digging a pit which can be used for accommodating the seedling culturing cup on the transplanting land, wherein the depth of the pit is greater than the height of the seedling culturing cup; filling organic fertilizer special for the poplar trees in the pit; removing the bottom of the seedling culturing cup for accommodating the survival tree seedlings, placing the seedling culturing cup into the pit and tamping with soil; and irrigating and fertilizing by adopting a drip irrigation system. By using the method, a method for culturing the seedlings in a paper cup, which is suitable for the poplar tree seedlings, is designed according to growth characteristics of the poplar trees, so that the dormant period is shortened, the poplar trees enter the growth period 1-2 years ahead and the survival rate of the poplar trees reaches over 95 percent. Meanwhile, according to the method, diseases of the poplar trees can be effectively prevented, the incidence rate of bacterial diseases is reduced by over 30 percent, cross infection in the seedling culturing process can be avoided and the control rate over the disease reaches over 95 percent.

The invention discloses a plant disease-resistant fertilizer and a preparation method thereof. Main raw materials include mashed garlic, potassium carbonate, poplar tree root, potassium fulvate, carbendazol, waste tea leaves, sophora flavescens, bean dregs, a microbial strain agent, ageratina adenophora, ammonium nitrate, calcium superphosphate, potassium carbonate, ammonium nitrate, boric acid, sodium humate, cetyl alcohol, propylene glycol alginate, sodium selenite, urea phosphate, marble powder and tap water. Compared with a traditional formula, the invention has the following advantages: the materials of the formula are environmentally friendly, a few artificial chemical synthetic materials are adopted, and the influence on the environment is avoided; meanwhile, the soil fertility can be enhanced while the soil composition can be improved, the morbidity of anthracnose, vegetable leukoderma, sclerotinia rot of colza, cowpea sooty blotch, spot disease, wilt, damping off and verticillium wilt of crops is reduced, the yield of grain crops is increased, the rural income is raised, and the production cost of farmers is lowered; and therefore, the invention is particularly suitable for wide promotion and application.

To produce early flowering genotypes, plum (Prunus domestica) was transformed with the poplar (Populus trichocarpa) Flowering Locus T1 (PtFT1) gene. Ectopic expression of 35S::PtFT1 Induced early flowering in vitro from transgenic plantlets within two months of transformation. When the transgenic plum plants were rooted and transferred to soil and grown in posts in the growth chamber, a number of additional lines flowered. Normal flowering and fruiting were observed in the greenhouse within one year of transformation. While dormancy was not necessary for growth or fruiting, FT plums were still winter hardy and floral bud set and flowering responded normally to changes in temperature. By manipulating a single gene, temperate tree crops can be effectively engineered for cultivation in new growing areas and for entirely new modes of agricultural production that are continuous, sustainable, and adaptable to climate change.

The invention discloses a poplar tree extract feed additive and a preparation method thereof. The preparation is prepared by making extract of flowers and barks of poplar trees by various means and mixing the extract with a carrier uniformly. The preparation method comprises the following steps: 1, performing primary extraction on flowers and barks of poplar trees; and 2, performing secondary circulating extraction on residue obtained after the extraction in the step 1, subjecting the extract obtained at two times to spray drying treatment, and uniformly mixing the dried extract with the carrier uniformly to obtain the poplar tree extract feed additive. The feed additive has antibacterial, antiphlogistic and animal immunity-improving functions.

The invention relates to a brassinosteroid synthesizing rate-limiting gene for adjusting and controlling poplar wood formation and application of the brassinosteroid synthesizing rate-limiting gene, and belongs to the technical field of plant gene engineering. The nucleotide sequence of the brassinosteroid synthesizing rate-limiting gene is shown in a sequence 1 in a sequence table, and the aminoacid sequence of the brassinosteroid synthesizing rate-limiting gene is shown in a sequence 2 in the sequence table. The PagDET2 gene is transferred into a poplar tree, compared with wild-type polar tree, the transgenic polar tree with the PagDET2 of overexpression significantly grows tall and becomes thick, in addition, the cell number of the xylem of the transgenic polar tree is significantly increased, it is proved that the PagDET gene is a key adjusting gene for adjusting and controlling poplar wood formation, and the brassinosteroid synthesizing rate-limiting gene has important application value in the fields of forest-tree gene engineering and clonal forestry.

The invention discloses an urban road poplar catkin sucking device, and belongs to the field of road poplar catkin treatment. The urban road poplar catkin sucking device comprises a vehicle body. The vehicle body is fixedly connected with a vertical rod. The upper end of the vertical rod is fixedly connected with a hydraulic driver. The driving end of the hydraulic driver is connected with a hydraulic rod. By the adoption of the urban road poplar catkin sucking device, a fan-arc-shaped rotating cover plate can rotate at the top of a poplar tree and suck poplar catkin on the poplar tree, thus, the poplar catkin on the whole poplar tree is sucked, absorption is facilitated, meanwhile, an air suction device on the bottom side of the fan-arc-shaped rotating cover plate sucks the poplar catkin into a catkin collecting and conveying barrel and conveys the sucked poplar catkin into a U-shaped sucking barrel through a catkin conveying supporting barrel, a curved mixed catkin sucking pipe in the U-shaped sucking barrel sprays water flow while sucking the poplar catkin, and accordingly, the poplar catkin is dissolved in water and absorbed. The poplar catkin is effectively sucked in the position of the poplar tree, the caused environment pollution is effectively reduced, and meanwhile, the labor intensity of sanitation workers is relieved.

Disclosed is a Canadensis poplar forestation method. The Canadensis poplar forestation method is characterized by comprising forestation land selection, forestation density setting, soil preparation and planting and sapling management. The steps of the Canadensis poplar forestation method are very easy and popular to understand and very clear, thereby being applicable to serving for reference and usage of professional planting personnel or common workers. The Canadensis poplar forestation method is reasonable, clear in steps and good in implementation effects.

The invention discloses a dustproof and catkin-resistant automobile air intake hood capable of automatically cleaning. The automobile air intake hood comprises an air intake hood body, wherein magnetic stripes are separately sewn to the periphery of the air intake hood body; the air intake hood body comprises a first framework, a second framework, a dual-shaft motor, a thousand-hole mesh and a control device; the dual-shaft motor, the thousand-hole mesh and the control device are arranged between the first framework and the second framework; the control device is located at one end of the first framework and one end of the second framework which are on the same side; a sponge brush is fixed to the lower side of the dual-shaft motor, and is in contact connection with the thousand-hole framework; and output shafts at two ends of the dual-shaft motor are separately and movably connected with the first framework and the second framework through rotating wheels. According to the dustproof and catkin-resistant automobile air intake hood capable of automatically cleaning disclosed by the invention, the structure is simple; a manner that a soft magnet is directly attracted to an air inlet of the automobile is adopted, so that the disassembling and the assembling are facilitated; and according to the dual-shaft motor capable of automatically cleaning, a timer can be controlled through a bluetooth of a cellphone of a user, and an appropriate working time can be set to clean dust and poplar tree catkins, so that harm to an automobile engine is reduced.

The invention discloses a gene PtCYP85A3 of a poplar tree and application. The gene can increase the biomass and the fruit yield and improve the salt and drought resistance of a plant. By a specific test, the gene PtCYP85A3 is introduced into a tomato and a Shan xin yang poplar tree to indicate that the gene PtCYP85A3 plays an important role in controlling the growth and the stress resistance of the tomato and the poplar tree and has important application value to the plant genetic engineering and a heredity improvement gene.

The invention discloses a manufacturing method for a low-carbon and environmental-protection anti-deformation solid wood composite board. Roadside poplar trees and sycamore trees and kiri around the village grow into useful timber, but people often use the timber at a low level. The manufacturing method disclosed by the invention comprises the following steps of performing rotary cutting on logs into veneers of 2mm, picking out first-grade veneers, second-grade veneers and third-grade veneers, and drying; coating with environmental-protection E0 grade glue of which the concentration is 70 percent, pressing with a pressing machine and cutting into battens which are equal in specification; coating the battens of the surface layers and the battens of the middle layer with the glue; firstly manufacturing three layers of battens with cross grains as balance tension boards into a composite board, and cutting the composite board into broad battens; coating the broad battens with the glue, jointing the broad battens at a time by an automatic board jointing machine to manufacture a composite board, sanding, performing thickness defining, and adding a decorative surface. According to the manufacturing method disclosed by the invention, valuable timber resources are replaced by fully utilizing common timber resources, and therefore the resources are saved; waste is turned into treasure, forest resources are protected strongly, and the cost is reduced.