210 results about "Yellow Locust" patented technology

The invention discloses a shoot cutting propagation method of robinia pseudoacacia aurea. The shoot cutting propagation method comprises the following steps of: (1) selecting appropriate cutting time; (2) preparing a cutting matrix; (3) preparing a rooting agent; (4) preparing cutting slips; and (5) performing management and (6) transplanting after cuttage. The cutting propagation method provided by the invention is capable of remaining excellent fancy points of the stock plant of robinia pseudoacacia aurea; and the cutting propagation method is high in propagation coefficient, and simple and convenient to operate, and the plants grow strong and tidily; therefore, the shoot cutting propagation method of robinia pseudoacacia aurea has great practice and popularization significance in propagation production of ornamental nursery stocks of robinia pseudoacacia aurea.

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

The invention relates to a novel ecological side slope greening protective technology for solving the issue of ecological greening of a soil side slope and a rock side slope. The technology is characterized in that bamboo stakes and bamboo chips are used to protect the surface layer of the side slope; in addition, a modified soil is used to carry out culture greening; the modified soil consists of local soil and modifying agent; the modifying agent comprises sodium aluminate, polyacrylamide, polyacrylic resin and sodium silicate which are matched with soil according to the mass ratio of 1:2:1;3:93; the bamboo stakes are made of grown bamboos the ends of which enter the earth are cut sharp; the bamboo chips are made of bamboos with a diameter of 6-8 cm; the bamboos are cut open from the middle and made into bamboo chips with a length of 200-250cm; grass seeds are selected from ryegrass, festuca arundinacea and bushes are selected from indigofers amblyatha craib, fortune firethorn fruit and robinia pseudoacacia.

An ecological restoration method of waste dump vegetation is provided, comprising the steps of leveling waste dump and sowing vegetation, wherein the specific steps are as follows: using tailings sands to fill gaps of crushed stones on the slope and plane of the waste dump; using mountain surface soil to cover the crushed stones till that the crushed stones are covered completely; irrigating the waste dump till that the mountain surface soil on surface of the waste dump is wet completely; sowing herbs on the slope of the waste dump; planting seabuckthorn in the middle of the slope; planting Robinia pseudoacacia seedlings on the lower part of the slope; planting cotton climbing plants at the root of the slope; planting Robinia pseudoacacia on the plane; and normally managing the vegetationon the other positions. The invention solves the problem that lots of the tailings are stacked, reduce usage amount of the soil and reduce engineering cost; different plants are planted on different positions of the slope of the waste dump; due to the optimal distribution method, the germination rate of the vegetation and survival rate of the seedlings are improved; the restoration effect of the waste dump vegetation is improved effectively and the ecological environment in the mine area is improved.

The invention relates to the field of cut slope protection construction, in particular to a fast construction method of rock slope protection. The method includes the steps of firstly, cleaning and leveling a slope surface; secondly, mounting a vegetation board; thirdly, paving a steel wire mesh; fourthly, spraying artificial soil; fifthly, spraying seedling substrate; sixthly, covering a protecting layer; seventhly, maintenance and management; wherein the seedling substrate is mixed by Lespedeza seeds, Magnolia multiflora seeds, crotalaria mucronata seeds, Robinia pseudoacacia seeds, amorpha fruticosa seeds and artificial soil. The method is fast in construction, vegetation can be restored rapidly, species diversity and natural succession can be formed in a short term, and natural environments can be beautified. Trees and shrubs are developed in roots and high in slope protection capability, a stable protection layer with certain strength can be formed on the slope surface in a short term, water and soil loss can be prevented, and slope stability can be guaranteed.

The present invention relates to a method capable of utilizing yellow locust stem and leaf extract to prepare aqueous preparation for effectively controlling powdery mildew of cucumber. Said aqueous preparation composition includes (by wt%) 0.2-4% of yellow locust stem and leaf extract, and the rest is water. Besides, said invention also provides the preparation method of said aqueous preparation and its concrete operation steps.

The invention discloses a robinia pseudoacacia sawn timber drying method, relating to the technical field of wood processing. The robinia pseudoacacia sawn timber is stacked before being dried. The drying method comprises the following steps: a. in a pre-heating treatment stage, the dry ball temperature is controlled to be 55-65 DEG C, the dry-wet ball temperature difference is controlled to be 1-2 DEG C and the treatment time is controlled to be 3-8 hours; b, in a drying stage, the moisture content is controlled to be over 30%, the dry ball temperature is 50-60 DEG C, and the dry-wet ball temperature difference is 2-3 DEG C; a humidity-regulating treatment stage is implemented when the moisture content reaches 8-12% after drying in a staging manner, wherein the dry ball temperature is controlled to be 75-85 DEG C, the dry-wet ball temperature difference is controlled to be 3-5 DEG C, and the treatment time is controlled to be 6-12 hours; d, in a cooling stage, the sawn timber is cooled within a temperature which is higher than an outdoor temperature by 20 DEG C, and the dry-wet ball temperature difference is kept within 6-10 DEG C. According to the drying method, the dried robinia pseudoacacia sawn timber which is uniform in moisture distribution, small in residual drying stress, cannot easily deform and crack in later process and use is obtained.

The invention aims to provide a seedling raising by cutting method for robinia pseudoacacia. The method comprises five steps of 1, preparing a seedling raising field, 2, collecting cutting branches, 3, preprocessing of the cutting branches, 4 cutting, and 5, cutting postprocessing. The seedling raising by cutting method is simple in step and low in cost, can effectively improve the survival rate of the robinia pseudoacacia, has no harsh demands on seedling raising environment and greatly reduces the seedling raising cost, and the seedling raising survival rate per mu is as high as 95%.

The present invention relates to a livestock and poultry feed, particularly to a green broiler feed with an effect of chicken quality improving. The feed is prepared from the following raw materials, by weight: 95-105 parts of corn, 15-20 parts of barley bran, 6-8 parts of shrimp bran, 10-12 parts of oat husk, 10-12 parts of vinegar lees, 15-18 parts of extruded soybean, 10-12 parts of sugarcane residue, 4-5 parts of pine needle powder, 2-3 parts of shell powder, 1-2 parts of talc powder, 2-3 parts of goose blood freeze-dried powder, 2-3 parts of fresh green tea leaf, 1-2 parts of earthworm powder, 1-2 parts of silkworm faeces, 6-8 parts of kalimeris indica, 2-3 parts of marigold petal powder, 2-3 parts of robinia pseudoacacia seed, 6-8 parts of sweet pepper, 1-2 parts of codonopsis pilosula powder, a proper amount of gravy salt, and 4-5 parts of a feeding attractant. According to the present invention, the feed has characteristics of rich raw materials, rich trace elements, effectively-improved chicken quality, improved slaughter rate, improved water holding capacity, reduced sebum thickness and reduced abdominal fat rate; and all the raw materials are pure nature green components, and the product quality is safe, and the feed has high market competitiveness.

The invention discloses an interior wall latex paint containing sticky rice glue and a preparation method of the interior wall latex paint. The interior wall latex paint is prepared from the following raw material components in parts by weight: 3-6 parts of sticky rice glue, 0.8-1.2 parts of robinia pseudoacacia powder, 1-2 parts of bamboo coal powder, 0.2-0.4 part of a photo-catalyst, 12-18 parts of a vinyl acetate-acrylic emulsion, 0.2-0.6 part of a hydroxyethyl cellulose thickening agent, 0.1-0.3 part of a wetting dispersant, 0.1-0.3 part of a defoaming agent, 0.6-0.9 part of a coalescing agent, 6-10 parts of titanium dioxide, 15-20 parts of triple superphosphate, 4-9 parts of calcined kaolin, 4-10 parts of talcum powder, 0.15-0.35 part of an anticorrosive agent and 0.15-0.35 part of a mildew preventive. The preparation method comprises the following steps: firstly preparing sticky rice glue and the robinia pseudoacacia powder sequentially, and then adding additives, and respectively mixing to have a reaction to prepare a final product. The interior wall latex paint containing the sticky rice glue, disclosed by the invention, is non-toxic and environment-friendly and also has adsorption and decomposition effects on organic volatile gas (VOC) generated by various indoor home decorations.

The invention relates to a SSR marker primer group for identifying robinia pseudoacacia germplasm resource genetic relationship and application thereof. The SSR marker primer group for identifying robinia pseudoacacia germplasm resource genetic relationship comprises four groups, wherein each group comprises four pairs of primers. The invention also relates to a method for identifying the robinia pseudoacacia germplasm resource genetic relationship by using the primer group. The SSR marker primer group is used for identifying the robinia pseudoacacia germplasm resource genetic relationship for the first time; 16 SSR markers are screened, and the specific primers are designed, so that the identification accuracy is ensured; the identification time can be obviously shortened through being compared with that of the existing identification method.

The invention discloses a seedling growing method for increasing robinia pseudoacacia grafting survival rates. The seedling growing method includes steps of rootstock selecting, branch selecting, scion cutting and processing, grafting, post-grafting managing and the like. A main grafting process includes separating bast of rootstock from wood of the rootstock; inserting scions into the rootstock; binding grafting positions by jute husk; fixing the rootstock and the scions by wet mud; ultimately earthing up the rootstock and the scions by moist and loose soil to form soil piles. The seedling growing method has the advantages that the temperatures and the humidity of contact positions of the rootstock and the scions can be improved, so that healing can be accelerated; combination of the rootstock and the scions can be reinforced, so that the wind-breakage resistance can be improved, the survival rates can be increased by 12% at least, the seedling growing method is easy and convenient to implement, is economical and environmental friendly and has an obvious economic benefit, unbinding can be omitted, the grafting operation labor intensity can be relieved for seedling farmers, and seedlings are convenient to manage; the rootstock and the scions can be healed fast, can be combined with one another firmly and can germinate quickly, the seedlings can neatly come out of the earth, can grow robustly, are high in survival rate and are wind-breakage-resistant, and the seedling growing method is favorable for breeding and popularizing novel varieties of robinia pseudoacacia and has an obvious social benefit.

The invention discloses an artificial emasculation and hybrid control pollination method of robinia pseudoacacia L.. The method comprises the following steps of pollenator making, selection of hybrid male parent and female parent plants, pollen collecting, artificial pollination, pollinated female plant management and hybrid ripe pod harvesting. According to the artificial emasculation and hybrid control pollination method of the robinia pseudoacacia L., the technical steps of emasculation and pollination for the robinia pseudoacacia L. are described in detail, petals and pistil are not damaged, the artificial pollination ripening rate of the robinia pseudoacacia L. can be significantly increased, and the artificial hybridization breeding success rate of the robinia pseudoacacia L. is increased.

The invention relates to the technical field of a health-care food, and particularly relates to health-care sesame oil with effects of building a body and recovering from a fatigue. The sesame oil is prepared from the following raw materials in parts by weight: 1100-1200 parts of white sesame seeds, 150-200 parts of semen sesami nigrum, 38-40 parts of flax kernel, 14-16 parts of robinia pseudoacacia dry flowers, 9-10 parts of rhizoma polygonati, 8-12 parts of radix asparagi, 10-11 parts of rhizoma atractylodis, 11-14 parts of codonopsis pilosula, 15-18 parts of konjac glucomannan and 14-19 parts of schisandra chinensis pollen. By adopting the sesame oil disclosed by the invention, an environmental and efficient subcritical carbon dioxide extraction technology is adopted, and the sesame oil contains a plurality of oily plant materials with abundant edible value and a plurality of Chinese herbal medicine health-care ingredients, so that the sesame oil disclosed by the invention is strong in smell, and bright and limpid in color and luster, has the health-care effects of enhancing resistance, nourishing heart and tranquilizing mind, nourishing the kidney and strengthening the essence, improving neurasthenia and the like, and is especially applicable to daily care of a consumer kept busy with work.

The invention discloses a cutting rooting method for hard branches of robinia pseudoacacia. The method comprises the following steps: selecting one-year shoots of the robinia pseudoacacia as cuttings, and trimming the shoots, so as to enable the shoots to have the mean length being 10-12cm; quickly dipping the trimmed shoots with ethyl alcohol, and soaking with an ABT1 rooting powder solution for 48 hours, and then cutting into a sand substrate of a seedbed; and carrying out cutting, watering thoroughly, and implementing seedling management. The method is low in technical requirements, but the problem of low cutting survival rate of the robinia pseudoacacia caused by secondary metabolites such as tannin is effectively solved; the cutting rooting rate of the robinia pseudoacacia can be up to 95-100%; a technical support is provided for vegetative propagation and seedling of robinia pseudoacacia; and the method has the great application and popularization values.

The invention discloses a method for grafting winter branches of Robinia pseudoacacia in summer. The method comprises the following steps of: (1) cutting one-year-old branches of Robinia pseudoacacia in winter, and carrying out sand storage under field natural conditions; (2) taking out sand-stored branches in next May, soaking in water for 20-24 hours, then cutting into branch segments with 1-2 buds, and sealing the cut with paraffin to be used as scion; and (3) at the time of grafting, cutting or sawing germinated acacia to be used as rootstock, cutting the lower end of the scion into a horse-ear-shaped large slope, then clinging to the wind facing side of the rootstock, prying the skin layer of the rootstock with a knife or hand, inserting the scion to the skin layer of the rootstock at one time while controlling the cut large slope of the scion faces the xylem of the rootstock until the large slope of the scion is not exposed, and then binding with plastic belts. The grafting method disclosed by the invention has the advantages that: skin layer alignment is not required in the grafting insertion process; the operation is especially easy; the grafting method is very simple; the grafting survival rate can reach more than 98%; and the grafting efficiency is very high and is improved by more than four times than that of the existing grafting method.

The invention discloses a forestation method for a waste coal mine field. The method comprises the steps that landfill pits are dug on the waste coal mine field, the land is leveled, the terrain slopeof a waste coal mine is larger than 15 degrees, and a drainage ditch is formed in the slope direction; in the mountain slope direction from top to bottom, in December of the current year to March ofthe next year, the forestation density is designed according to different tree varieties, planting holes are dug, and planting ditches are dug; treetops of robinia pseudoacacia, paulownia, amorpha fruticose and lespedeza bicolor tree variety nursery stocks which are easy to root in cutting, resistant to drought and resistant to barren are cut out, seedling roots are planted in the planting holes,seeding stems are planted in the planting ditches respectively, the nursery stocks are horizontally buried in the planting ditches and planting holes, and then mine slag and coal slag cover the nursery stocks. The forestation method for the waste coal mine field has the advantages that buds sprout from tree trunks, fasciculate plants gradually generate, the survival rate of forestation on barren mountain slopes such as waste rock, coal slag and mine slag can be increased, the requirement to the soil matrix condition is low, and nursing and management are facilitated; a soil dressing mode is not adopted, trees are directly planted on the mine slag field, and the forestation cost is low.

The invention discloses a seedling-raising and afforestation method of fast-growing robinia pseudoacacia. The seedling-raising and afforestation method of fast-growing robinia pseudoacacia is characterized by comprising the steps of selection and treatment of a seedling-raising land, treatment and cuttage of seminal root cuttings, selection and management of an afforestation land, afforestation, tending of young growth, fertilization, maintenance of soil fertility and the like. According to the method, semi-lignified roots of robust robinia pseudoacacia are adopted as the seminal root cuttings, so that not only can the seedling raising survival rate of fast-growing robinia pseudoacacia be increased, but also the time required for seedling raising of fast-growing robinia pseudoacacia can be shortened; the treated seminal root cuttings are inserted into nutrient cups containing nutrient soil, the nutrient soil can provide nutrients for seedling raising of fast-growing robinia pseudoacacia, the root systems of every two adjacent robinia pseudoacacia seedlings can be prevented from being connected with each other through the adoption of the nutrient cups, the integrity of the root systems of the robinia pseudoacacia seedlings is improved, and therefore the survival rate of the robinia pseudoacacia seedlings after transplanting is increased; before the afforestation, the good land is selected and subjected to fine soil preparation, so that the healthy growth of fast-growing robinia pseudoacacia can be promoted, the afforestation time of fast-growing robinia pseudoacacia is shortened, the cost is reduced, and the economic benefits are increased.

The present invention relates to the field of air cleaning, and specifically discloses an air freshener composition. The air freshener composition comprises component A and component B, wherein a weight ratio of the component A to the component B is 1:0.5-3; the component A comprises, in parts by weight, 10-30 parts by weight of an active agent; 6-15 parts by weight of a carrier; 1-4 parts by weight of a pH regulator; and 0.01-0.2 part by weight of an antioxidant; the component B is a plant extract solution, wherein the plant extract solution comprises at least, in parts by weight: 5-30 parts by weight of an extract of a mixture of Populus nigra var. italica, grapefruit peels and eucalyptus leaves; 0.1-5 parts by weight of Sophora flavescens extract; 1-3 parts by weight of Aloe vera extract; 1-10 parts by weight of fresh orange peel extract; 0.5-3 parts by weight of Nandina domestica extract; 0.5-10 parts by weight of Eucalyptus robusta Smith extract; 1-8 parts by weight of Robinia pseudoacacia L. extract; 1-5 parts by weight of Chrysanthemum morifolium extract; and 0.1-2 parts by weight of artemisinin.

The invention discloses a planting method for increasing the bare-rooted seedling afforestation survival rate with water-saving irrigation. The planting method comprises the following steps: I, selecting tree species: selecting any one of the trees species pinus thunbergii, platycladus orientalis, elm, robinia pseudoacacia, cotinus coggygria and fraxinus chinensis; II, digging a planting hole: confirming the shape and the specification of the planting hole according to the type of the afforestation land and the specification of a seedling, wherein the planting hole generally takes the shape of a circular truncated cone in a plain area, the specification of the planting hole can be slightly large in a non-salt and alkali area, the diameter of the upper part of the planting hole is 60-80 cm, the diameter of the lower part of the planting hole is 40-60 cm, and the depth of the planting hole is 60-80 cm, and in a plain salt and alkali area, the diameter of the upper part of the planting hole is 50-60 cm, the diameter of the lower part of the planting hole is 40-50 cm, and the depth of the planting hole is 50-60 cm. By adoption of the planting method, limited moisture can be concentrated around the root system of the seedling and is not easy to evaporate or diffuse, water supply to the root system of the seedling in the key survival period can be assisted, sucking of weeds to moisture and nutrient in soil can be reduced, an ideal small environment is provided for survival and growth of seedling root systems, the afforestation survival rate can be ensured, and the problems that the afforestation irrigation cost is high and the afforestation survival rate is low in a water-deficient area are solved.

The invention discloses a pig feed. The pig feed is characterized by comprising the following raw materials in parts by weight: 15-20 parts of corns, 10-15 parts of bran, 15-20 parts of dried sweet potatoes, 5-10 parts of rapeseed cakes, 1-2 parts of fish meal, 0.1-0.2 part of table salt, 40-50 parts of rice bran, 30-40 parts of robinia pseudoacacia L. leaf powder, 0-4 parts of soybean cakes, 0.02-0.03 part of copper sulfate, 0.01-0.02 part of ferrous sulfate, 0.01-0.02 part of zinc sulfate and 0.05-0.1 part of green tea powder. The pig feed has the advantages of lower cost, growth promotion and goof fattening effect.

The invention discloses a tea planting soil improvement method, and particularly relates to the technical field of soil improvement. The method specifically comprises the following operation steps of tea tree garden cleaning treatment, soil deep ploughing treatment, soil multistage sterilization treatment, soil modification treatment and organic fertilizer application. According to the method, the soil of tea planting land for many years is sterilized in a composite sterilization manner of sun sterilization, shed braising sterilization, incineration sterilization and chemical sterilization, meanwhile, dolomite powder is used for improving the pH value of the tea planting soil, the cation exchange capacity of the soil is increased, and the quantity of exchangeable acid and exchangeable aluminum in the soil is reduced through robinia pseudoacacia leaves; and the content of exchangeable calcium and magnesium in the soil is further increased, so that soil acidification is inhibited, the pH value of the tea planting soil can be prevented from being continuously reduced by utilizing physiological alkaline fertilizer, the pH value of the soil is increased to a range suitable for planting tea, and the action effect is remarkable.

The invention discloses liver-protecting pericarp purple sweet potato jam. The liver-protecting pericarp purple sweet potato jam is prepared from the following raw materials in parts by weight: 250-260 parts of purple sweet potatoes, 10-13 parts of a nutritional supplement, 7-8 parts of wax gourds, 8-9 parts of black tomatoes, 7-8 parts of sweet potato vermicelli, 1-2 parts of biscuits, 5-6 parts of flammulina velutipes, 4-6 parts of muskmelons, 3-4 parts of coconut oil, 14-16 parts of hawthorn juice, 5-6 parts of ginger candies, 8-9 parts of grape skin, 8-10 parts of bean curd sheets, 10-12 parts of pigskin jelly, 1-1.1 parts of lindernia ruellioides(colsm) pennell, 2.6-2.8 parts of stems and leaves of great burdock, 2.6-2.8 parts of flower of Robinia pseudoacacia L., 1.5-2.1 parts of fruits of elm, 2.3-3.2 parts of sweet broomwort herb and 1.4-2.2 parts of snake skin. According to the purple sweet potato jam, a plurality of types of vegetables and fruits and medicinal materials are used as raw materials so that the liver-protecting pericarp purple sweet potato jam has a very high nutritional and health value; and the flower of Robinia pseudoacacia L. has the effects of removing heat to cool blood and the stems and leaves of great burdock have the effects of clearing away internal heat, moistening lung to arrest cough, detoxifying and nourishing liver and relaxing bowel, so that the liver-protecting pericarp purple sweet potato jam is particularly suitable for being eaten in summer.

The invention relates to feed and a preparation method thereof, in particular to a puffing feed for preventing whitening of black carp body color and a preparation method of the feed. The puffing feed comprises the following components by weight: 7-15% of fish meal, 15-30% of peeled bean pulp, 10-20% of rapeseed dreg, 1-5% of squid paste, 6-12% of meat and bone meal, 3-6% of beer yeast, 2-5% of pine needle meal, 3-7% of robinia pseudoacacia leave powder, 2-6% of seaweed meal, 0.1-0.2% of L-ascorbate-2-phosphate, 0.15-0.65% of choline chloride, 3-7% of corn protein powder, 15-25% of flour, 1-2% of soya-bean oil, 1-2% of monocalcium phosphate and 1-2% of fish pre-mix compound. The preparation method of the feed comprises the following steps: 1) weighting the components; 2) mixing uniformly and crushing; 3) introducing steam into a conditioner for conditioning, and carrying out pelletizing in an extrusion puffing pelletizer; and 4) drying. The feed has the advantages of being complete innutrition, and capable of being digested and absorbed easily, promoting deposition of fish organism pigments, and preventing body color change; and the puffing feed is good in stability in water, andhigh in digesting efficiency, and reduces the feed waste.

The invention relates to a method for preventing and controlling clanis bilineata tsingtauica in soybean. Clanis bilineata tsingtauica mainly live in soybean, but also is harmful to mung bean, cowpea, robinia pseudoacacia and the like. Clanis bilineata tsingtauica juveniles eat soybean leaves. Young juveniles leave only netty and incised leaves; while old juveniles with greater appetite can eat whole soybean plants in serious cases, so that the soybean can not bear pods. Rain is a main influencing factor of clanis bilineata tsingtauica, and from June to August, a period when rainfall is moderate and uniform, clanis bilineata tsingtauica emerges quickly; while too much rain will delay the emergence period and too early drought is also unfavorable for the emergence of clanis bilineata tsingtauica.

The invention provides a pig feed. The pig feed is prepared through the following steps of using pennisetum purpureum Schum cv.Guiminyin, robinia pseudoacacia L., and horseradish trees which are in large-scale planting as main feeds, and adding raw materials of corn, rice bran, wheat bran and the like, so that the pig feed is comprehensive in nutrients and good in palatability; varied Chinese herbal medicines, such as herba epimedii, radix morindae officinalis, rhizoma panacis japonici and lophatherum herbs are added, so that the constitutions of breeding boars are strengthened, favorable semen and strong sexual functions of the breeding boars are guaranteed, the phenomenon that the breeding boars are early aged is avoided, and the service life of the breeding boars is prolonged. The pig feed disclosed by the invention is reasonable in feed proportion, free from antihormones and green and safe.

The invention discloses a method of identifying varieties of robinia pseudoacacia based on fluorescent SSR finger-prints of capillary electrophoresis. The construction method comprises the following steps: (1) extracting total DNA of robinia pseudoacacia; (2) performing PCR amplification by means of SSR primers; (3) performing capillary electrophoresis on a PCR amplification product; and (4) constructing finger-print, wherein the four pairs of disclosed SSR primers in the step (2) are used to perform PCR amplification of DNA of robinia pseudoacacia, the banding pattern results detected by capillary electrophoresis on the obtained product are combined to form the SSR finger-print of each variety or a clone, and the clone is then differentiated according to difference of the finger-prints. The method disclosed by the invention can provide a reliable ground for variety identification, new variety breeding and genetic improvement of robinia pseudoacacia from the molecular level quickly, accurately and efficiently, thereby providing reference for conservation, evaluation and utilization of genetic resources of Chinese robinia pseudoacacia.

The invention discloses a plant composition and a method for repairing side slopes of roads in southern high-altitude regions, and relates to the technical field of agriculture. The plant compositionfor repairing the side slopes of the roads in the southern high-altitude regions comprises tree and shrub plants, grass flower plants and herbaceous plants. The tree and shrub plants are selected froman optional type or a plurality of optional types of rhus chinensis, cassia glauca, buddleja lindleyana, robinia pseudoacacia, pinus massoniana and hibiscus syriacus; the grass flower plants are selected from an optional type or a plurality of optional types of perennial coreopsis, zinnia elegans, cosmos sulphureus and sanvitalia procumbens; the herbaceous plants are selected from an optional type or a plurality of optional types of lolium perenne, trifolium repens, dactylis glomerata and trifolium pratense. The method for repairing the side slopes of the roads in the southern high-altitude regions includes planting seeds of the plant composition on the side slopes. The plant composition and the method have the advantages that appropriate plant varieties are selected, accordingly, growthand development nodes of the plants can be staggered from one another, and nitrogen, phosphorus, potassium and nutrient competition of the plants can be relieved; seeds of diversified species are sownin a mixed manner, accordingly, intra-species competition and inter-species competition can be reduced, the survival rate of the plants can be increased, and formed landscape effects can be improved.

The invention discloses a spraying agent for degrading indoor harmful substances and a preparation method of the spraying agent, specifically to the field of environment-friendly decoration. The spraying agent comprises the following components in parts by weight: 10-15 parts of a photocatalyst, 5-10 parts of chitosan, 5-10 parts of nano transition metal powder, 10-15 parts of an adsorbent, 20-30parts of acetic acid, 5-7 parts of sodium bicarbonate, 10-20 parts of a robinia pseudoacacia ethanol extract, 5-10 parts of a melia azedarach ethanol extract, 10-15 parts of a chrysanthemum flos ethanol extract and 80-100 parts of deionized water. The spraying agent and the preparation method provided by the invention have the advantages of being short in time in decomposing harmful gases, low inprice, convenient to use, and the like.