39 results about "Elymus nutans" patented technology

The invention discloses a method for establishing a grazing artificial pasture on a black soil beach, which includes: firstly using locally introduced and domesticated local grass-seeds; and secondly, according to biological characteristics of forage grass and the principle of species niche in communities, mixing Qinghai Festuca sinensis, Qinghai Poa crymophila and Qinghai Poa pratensis according to a certain seeding proportion, mixing Elymus nutans or Elymus sibiricus Qingmu No.1, Qinghai Poa pratensis, Qinghai Poa crymophila and Puccinellia tenuiflora according to a certain seeding proportion, and mixing Elymus nutans or Elymus sibiricus Qingmu No.1, Qinghai Festuca sinensis, Qinghai Poa pratensis, Qinghai Poa crymophila and Puccinellia tenuiflora according to a certain seeding proportion, so that utilization rate of environmental sources (water, heat and light) is increased, and pasture service life is prolonged. The grass-seed combination and establishment technique is extensional, and with development of research and production practice, the combination and establishment technique is still expansible.

The invention discloses a rebuilding material for a high and cold pasturing area extremely deteriorated meadow. Calculated by the weight used in each mu, the formula of the rebuilding material is that 2.5kg elymus nutans with purity larger than 95%, 1.5kg elymus sibiricus with the purity larger than 95%, 1kg cold area bluegrass with the purity larger than 95%, 500kg cattle manure and sheep manure, 20kg calcium superphosphate and 20kg urea. The rebuilding material for the high and cold pasturing area extremely deteriorated meadow has the advantages that the formula and a method of the rebuilding material are offered, compared with other similar inventions, seed resources input is high, continuity and protective property of seeding are guaranteed, a community structure is reasonable and high in stability after vegetation is built, manure is sufficient, weed generation can be controlled in a short time, seeds and the manure can be kept in soil stably after being spread, and use of the urea for twice guarantees that sufficient nitrogenous manure is offered in a grass growing season.

The present invention provides a production method for elymus nutans griseb silage. The method comprises the following steps: 1) preparing a composite silage agent; 2) preparing before silage; 3) timely harvesting and regulating water; 4) packing, compacting and spraying silage agent; 5) overall sealing the silage heap, covering soil on the side and top and compacting the soil. Compared with the conventional silage method, the present invention not only can reduce the dry matter and nutrient loss of silage, but also can rapidly decrease the PH, increase the lactate content, and has significant effect of improving the quality of silage.

The invention discloses an artificial planting method for recovering secondary bare land in an alpine region, and relates to the technical field of forestry. The method includes the following steps that grass seeds are sown in the pre-recovered alpine region in a uni-sowing or mixed sowing mode; according to uni-sowing, elymus nutans or siberian wildrye or stinkgrass flower or meadow grass or poacrymophila or festuca sinensis is sown; according to mixed sowing, mixed sowing of two or three or four of the elymus nutans, the siberian wildrye, the stinkgrass flower, the meadow grass, the poa crymophila and the festuca sinensis is adopted. By means of a multi-pasture mixed sowing mode, the vegetation growth state of the secondary bare land in the alpine region can be recovered, development ofthe forestry is facilitated, and the environment can be better protected.

The invention discloses a method for improving elymus nutans griseb seed yield in Aba county. The method includes the following steps: (1) clearing up land masses; (2) processing seeds; (3) sowing time; (4) sowing mode and quantity; (5) field management and (6) harvesting in the mature period in the last ten days in the August. The optimum sowing time is May and the middle ten days of June at the latest, and sowing can be conducted when soil temperature is stabilized to be over 8 DEG C. The sowing mode is strip sowing, and the row distance is 40cm-60cm. The sowing quantity is 122.5-30kg/hm<2>, and the sowing depth is 1cm-2cm when the seed true value is 100%. Soil is covered on the seeds to press the seeds after sowing. Additional fertilizer is not required in the year of sowing, or a small quantity of compound fertilizer can be additionally utilized. The compound fertilizer is additionally applied in tillering jointing stage in the next year, and simultaneously fertilizers including proper calcium, molybdenum, manganese and other trace elements can be applied in the flowering and pustulation periods. The method adopts the sowing and field management technology, resolves the problem that the elymus nutans griseb in the Aba county is low in emergence rate, strong in seed holding performance and low in seed output, greatly improves emergence survival rate, maturing rate and seed yield, and provides technological support and guarantee for large scale application and dissemination in the Qinhai-Tibet plateau section in our country.

Elymus nutans is distributed in a large area in China and is one kind of main native herbs in Tibet plateau, and plant resources are abundant. The invention discloses a method for separating 10 flavone and lignin compounds from elymus nutans. The 3 of the 10 compounds are new compounds, and the purity of 8 of the 10 compounds is 95% or above. The compound has multiple physiological effects of liver protection, blood fat reduction, oxidation resistance and the like. In addition, the overground parts of the elymus nutans are utilized, the production cycle is show, less influence is caused on the ecological environment, the high-purity monomeric compound can be quickly prepared, the economic benefits are remarkable, and the method has very important significance on scientific and reasonable development of the elymus nutans resource.

The invention discloses a reseed composite material of moderately degraded grasslands in a high cold pasturing area. According to the formula, the reseed composite material comprises elymus nutans of which the purity degree is greater than 95%, siberian wildrye of which the purity degree is greater than 95%, thinflower alkaligrass of which the purity degree is greater than 95%, poa crymophila of which the purity degree is greater than 95%, cattle and sheep manure, superphosphate and urea. The invention also provides an application method of the reseed composite material. Compared with other methods, the reseed composite material and the application method have the beneficial effects of high-density seed application amount, high protection role, stable colony, prevention of weed invasion, inhibition of weeds, prevention of losing of seed materials, prevention of high evaporation rate and the like; and the most important utilization of moisture in the critical period of plant growth is ensured by a technology of topdressing before rain.

The invention relates to the field of desertification control and green planting, and in particular relates to a method for preventing wind and fixing sand on the edge of a moving dune. The method comprises the following steps: first, delimiting a wind preventing and sand fixing belt planting area on the edge of the moving dune, planting trees, such as cathay poplar, in the planting area, planting shrubs, such as blackthorn, in the planting area, and planting herbaceous plants, such as elymus nutans, snowfox crested wheatgrass and stinkgrass flower, in the planting area; performing mixed sowing of the three herbaceous plants, wherein the mixed sowing area ratio is 2:1:1, and the sowing amount is 3.5 to 4.5 kg/mu; each herbaceous plant is sowed in drill, the drill spacing is 0.3m, and the drill depth is 3-5cm; and performing dry farming or watering. The method has the beneficial effects that after the wind preventing and sand fixing green belt is planted on the edge of the moving dune, a living plant wind preventing and sand fixing barrier is formed, and the moving dune can be effectively prevented from being enlarged, and the survival rate is high, and the desertification control speed is high.

The invention provides a method of cultivating radix saposhnikoviae in salty land, belonging to the technical field of Chinese herbal medicine planting. A medium salty land is selected as a radix saposhnikoviae cultivation land, Elymus nutans and alfalfa as green manure are planted after land preparation, and the radix saposhnikoviae is cultivated in next year. The soil environment of the salty land is improved by applying base fertilizer and planting elymus nutans and alfalfa, the hardening property and the saline alkaline of the soil are improved, the gas permeability of soil is improved, the soil bulk density is reduced, the microbial activity of soil is improved, the fertilizer and water permeation capability of the soil is improved, the microelement content of the soil is increased, and the yield and the quality of the radix saposhnikoviae are both remarkably improved.

The invention discloses a Elymus nutans Griseb 'Aba' seed coating agent, which can effectively increase the seed germination rate and machine seeding efficiency. The coating agent is prepared from 5 to 10 parts by weight of 200-time diluent of photo-valent ion titanium (Ti is more than or equal to 3.5g.L<-1>), 7 to 9 parts by weight of attapulgite, 12 to 18 parts by weight of water retaining agent, 8 to 18 parts by weight of high-efficiency ecological organic fertilizer and 400 to 450 parts by weight of clay by mixing. After soaking seeds with the photo-valent ion titanium, the seed germination can be promoted, and the balance of hormones in the process of seed germination can be regulated. The attapulgite is used to provide trace elements necessary for seed germination, the water-retaining agent is used to keep moisture needed for seed germination under harsh and dry natural conditions, thereby greatly increasing the germination rate of Elymus nutans Griseb 'Aba' seeds, and increasingthe machine seeding efficiency at the same time. The Elymus nutans Griseb 'Aba' seed coating agent is suitable for popularization and application in the technical field of forage cultivation.

The invention relates to the technical field of sand prevention and control, in particular to a cow dung sand barrier and a preparation method and application thereof. The cow dung sand barrier is prepared from the following raw materials: 0.5 kg of elymus nutans seeds, 0.5 kg of bluegrass seeds, 1 kg of ryegrass seeds, 0.5 kg of red fescue seeds, 0.25 kg of an adhesive and 5 kg of water in every 1 m<-3 > of cow dung; and the adhesive comprises polyacrylamide, sodium polyacrylate, potassium polyacrylate or ammonium polyacrylate. Waste cow dung in a pasturing area is compounded with grass seeds of different plants and the adhesive, the prepared cow dung sand barrier is convenient in material taking, low in cost and fast in construction, the grass seeds in the sand barrier gradually germinate to form seedlings to form a living sand barrier, the sand prevention and control effect of the cow dung sand barrier is further prolonged and is 3-4 times longer than that of a traditional sand barrier, and the cow dung sand barrier is suitable for wide popularization.

The invention relates to the technical field of degraded grassland recovery, and particularly discloses a sowing method for promoting stable recovery of Qinghai-Tibet plateau vegetation and a sowing device. The method comprises the following steps: (1) preparing a plurality of seeds of elymus nutans, aconitum gymnandrum, dandelion, pedicularis przewalskii, pedicularis semitorta, picris hieracioides, potentilla potaninii, potentilla fragarioides and gentianella acuta, placing the seeds in a constant-temperature refrigerator for refrigeration treatment for a period of time; (2) sowing at the beginning of a growing season, removing sundries on the ground before sowing, and turning over the ground for reclamation; (3) sowing the seeds in a sowing mode that the dicotyledonous plant sowing density is 140-160 seed /12 square meters and the total sowing density is 1100-1300 seed /12 square meters, and then covering thin soil with the seeds; and (4) flatting the ground. Compared with the single planting of elymus nutans, the whole sowing method provided by the invention has the advantages that the monocotyledonous elymus nutans is matched with the dicotyledonous mixed sowing mode, the community stability is higher, and the diversity of animals and plants is higher.

The invention belongs to the technical field of medicinal chemistry, and particularly relates to application of a diarylpentane compound in stellera chamaejasme roots in herbicides. The diarylpentanecompound disclosed by the invention is a compound 3-Methoxy-1, 5-diphemylpentan-1-one, the compound has an obvious inhibition effect on the growth of elymus nutans roots, and the compound can be usedas an effective component of herbicides. Results of embodiments show that the diarylpentane compound provided by the invention has an obvious inhibition effect on growth of elymus nutans roots when the concentration is 10-100 [mu] g/mL.

The invention relates to an Elymus nutans high molecular weight glutelin subunit gene and an application thereof. The gene in the invention is a Sty 8.1 coding gene with a nucleotide sequence as shown in SEQ ID NO.1 or has an allelic gene which is provided with functional activity as shown in SEQ ID NO.1 in a sequence table and is formed by deletion, insertion or substitution of one or more basicgroups, or has a protein with an amino acid residue sequence as shown in SEQ ID NO.2, or has a protein which is provided with an amino acid residue sequence as shown in SEQ ID NO.2 in a sequence table, is formed by substitution, deletion or addition of one or more amino acid residues, has the same activity as the amino acid residue sequence shown in SEQ ID NO.2, and is derived from SEQ ID NO.2. The gene obtained by the invention has a secondary structure superior to that of a high-quality gene 1Dy10, and can play an important role in improvement of wheat quality.

The invention discloses a phytoremediation method for combined pollution of Cd, Zn and Cu in riverway dredging sediment. The method comprises the following steps: 1, before sowing, sprinkling water towet the surface layer of sediment, and fully plowing the surface soil, and 2, carrying out plant selection through selecting calendula officinalis, elymus nutans and barnyard grass plant seeds whichare full in particle and basically consistent in size, evenly spraying them into corresponding test boxes, then covering the test boxes with sieved sediment, carrying out single planting and respectively and uniformly transplanting Farfugium japonicum and Sedum spectabile Boreau into the test box. According to the method, the single of calendula officinalis, elymus nutans, barnyard grass, Sedum spectabile Boreau and Farfugium japonicum is selected, the remediation effect on heavy metal Cd, Zn and Cu combined pollution of the river dredging sediment is good, the root lengths of elymus nutans and the barnyard grass are 20-25 cm and 25-29 cm respectively, and the heavy metal polluted sediment with the depth of 0-30 cm can be remediated.

The invention discloses a method for treating a black soil beach, which comprises the following steps: leveling a land, applying a base fertilizer, digging pits, selecting annual rheum tanguticum seedlings and elymus nutans seeds, transplanting the rheum tanguticum seedlings after the soil is unfrozen in spring every year, and planting one seedling in each pit. After the transplanting of the rheum tanguticum is completed, sowing elymus nutans seeds in the middle of the line spacing of the transplanting pits of the rheum tanguticum according to the sowing rate of 3kg/mu. Finally, urea is applied twice in July and August respectively. According to the method, the rheum tanguticum and the elymus nutans are intercropped, the rheum tanguticum in a simulated wild environment is used as an associated species to form a stable community with the alpine grassland, a deep root system is matched with a shallow root system, broad-leaved plants and gramineous plants are intercropped, community diversity can be increased, resources can be fully utilized, and grazing tolerance is good; and the problem of secondary degradation of the black soil beach is effectively solved. Through the intercropping of the herbs, the vegetation coverage of a planting area and the overground biomass are also greatly increased, so that the purpose of preventing and treating rodent damage is achieved.

The invention discloses an establishment method of a mowing type natural clipping pasture in the northwest Sichuan alpine pastoral regions, and belongs to the technical field of pasture establishment.With the core goal of improving the output of forage grass on the natural pasture, the local fine grass species suitable for growing in the northwest Sichuan alpine pastoral regions are subjected tooptimizing combination, through comprehensive agronomic measures such as cutting turf, ground disturbance, reseeding grass seeds and fertilizer spreading, the high-quality mowing type natural clippingpasture is built, the production capacity of the grass forage on the natural pasture is improved, and the purpose of producing high-quality green hay bales is achieved. The core content of the establishment method includes grass seed combination and a supporting establishment technology, and the establishment method can be achieved through the following technical schemes: following the basic principle of "local priority", the production performance and mowing-resistant ability are taken as main screening indicators, through many years of field test comparison, the perennial local fine foragegrasses and forage varieties, including Sichuan grass No.2 elymus sibiricus, Aba elymus nutans, Kangba elymus nutans and Qinghai meadow grass, suitable for planting in the northwest Sichuan alpine pastoral regions are screened out,.

The invention discloses a pelleting agent for improving mechanical sowing performance of elymus nutans seeds, which is prepared from the following components in parts by weight: 2 to 4 parts of ethylene glycol, 0.1 to 0.3 part of n-caprylic alcohol, 0.1 to 0.5 part of sodium benzoate, 10 to 20 parts of emulsion, 20 to 40 parts of talcum powder, 4 to 8 parts of carbendazim, 0.1 to 0.5 part of carboxymethyl cellulose sodium, 0.1 to 0.3 part of polyvinyl acetate and 25 to 35 parts of water. The preparation method comprises the following steps: selecting seeds, uniformly mixing the seeds to obtain a pelleting agent, screening, cleaning and disinfecting the seeds, pelleting the seeds by adopting the pelleting agent, and drying moisture in the pelleting agent in the sun to obtain the pelleted seeds, thereby being beneficial to solving the problems of mechanical seeding, incapability of precise seeding, low seeding seedling rate and high seeding cost.

The invention provides a natural alpine grassland reviving period pasturing method which comprises the steps that reviving period pasturing measures are suitable for winter and spring grassland and are generally implemented on medium-light degenerated natural alpine grassland which is good in site condition and does not degenerate or is slightly degenerated, and in order to facilitate livestock management, fence facilities are generally required in reviving period pasturing land parcels; the plants are relatively fragile in a green returning period of pasture in the alpine grassland, so that normal growth of the plants is interfered by grazing, ingestion and trampling in the period, tillering, sprouting and other numbers of elymus nutans are reduced, nutrient substances in the plants are forced to be redistributed, and the yield of the plants is increased. And nutrient substances stored at the roots of the pasture cannot meet the normal growth and development of the pasture and even cannot form normal seeds, so that the coverage of the alpine grassland, the plant height of the pasture and the productivity of the grassland are reduced after pasturing in the reviving period, and the phenomenon can be avoided after pasturing in the reviving period.

The invention provides a wild arimillaria mellea artificial domesticating and cultivating method. Special cultivation materials are prepared, soilless cultivation is conducted in an acetate cloth bacterial bag, and the temperature, the humidity, the oxygen and the illumination of a mushroom house are subjected to optimal management subsequently after mushroom production, so that the wild arimillaria mellea is artificially domesticated. According to a wild arimillaria mellea artificial domesticating and cultivating technology on the arimillaria mellea, the yield of the arimillaria mellea is increased by more than one time; the acetate cloth bacterial bag is selected and used, so on one hand, the characteristics of high moisture absorbability and venting capability are utilized, and on the other hand, the acetate cloth is environment-friendly and degradable and does not bring harm to the environment; and after elymus nutans is added, the fruiting rate of the arimillaria mellea is increased by above 20%.