270 results about "Lolium perenne" patented technology

The invention discloses a goat forage and a preparation method thereof. The goat forage is composed of the following raw materials, by weight, 50-60 parts of sorghum straw powder, 25-30 parts of Chenopodium album Linn. powder, 20-30 parts of pine leaf, 10-15 parts of Lolium perenne L., 15-20 parts of bagasse, 8-12 parts of Herba Taraxaci, 15-25 parts of soybean meal, 1-2 parts of a starter, 40-50 parts of corncob, 15-25 parts of rice bran, 10-15 parts of sunflower receptacle, 4-6 parts of a lyophilized powder additive, 3-5 parts of shell powder, 5-10 parts of zeolite powder, 3-5 parts of soybean oil, 2-4 parts of sodium alginate, 0.5-0.8 parts of calcium hydrogen phosphate, 0.01-0.02 parts of potassium iodate and 0.3-0.5 parts of salt. The forage contains all nutrition required by the growth of goats, guarantees the healthy production of the goats, provides healthcare values, and raises the growth speeds of the goats.

The invention provides a mixed feed formula for a black goat. The formula comprises the following components: a green fodder including alfalfa, ryegrass, oat grass, mulberry leaves, locust tree leaves and sugarcane top; a coarse fodder including straw, cornstalk and bagasse; a concentrated feed including corn bran, wheat bran, peanut meal, bean cake and rice bran; an animal feed including fish meal, shrimp meal and mealworms powder; a mineral feed including bone meal, shell powder, urea, salt and aginomoto. The feed formula is low in cost, preferred by the black goat, quick for grow, healthy in physique and high in meat factor.

The invention discloses a mixed seeding green manure dressing method for a tobacco field. According to the method in the invention, mixed seeding is carried out on ryegrass and Chinese trumpet creeper in an equal ratio from the first ten days of September to the first ten days of October, wherein the seeding amounts of the ryegrass and Chinese trumpet creeper are 1.5-2.0kg / mu respectively, basic seedling amount is 70000-100000 plants / mu, 1500-2000kg of fresh samples are turned over and buried in per mu of soil with the depth of 10-20cm at the time of 40-45 days before flue-cured tobacco transplanting, and the pure nitrogen applying amount is reduced by 1.8-2.4kg / mu when tobacco seedlings are transplanted. The method comprises soaking seeds, seeding, fertilizer water management, turning over and burying and fertilizer application when the tobacco seedlings are transplanted. By using the method, the problems that when the fertilizer is singly applied for a long term, the carbon-nitrogen ratio in the tobacco field is reduced, nutrient is not balanced, effective fertilizer supplying capacity is weak, and the chemical components of tobacco leaves are inconsonant are solved. The method has the advantages that quick-action nutrient content, total bacterial count and nitrobacteria and actinomycetes quantities in current-season tobacco transplanting soil are obviously increased, the nutrient of the tobacco plants is consonant, the potassium-increasing base-reducing effect of the tobacco leaf is obvious, aroma quality is improved, and the benefit of tobacco planting is greatly improved. The method has good popularization value in the aspect of modifying the long-term continuous cropping tobacco field.

The invention relates to a method for mixedly sowing annual ryegrass and perennial grass, which is suitable for establishing artificial grassland in south, in particular to a method for establishing artificial grassland by introducing annual ryegrass onto perennial artificial grassland. The annual ryegrass and the perennial grass are mixedly sowed by a certain proportion. By utilizing the advantages of rapidly growing of the annual ryegrass, the cutting is performed at the right time, the grass yield in season is improved, and the height can be controlled by cutting. Therefore, the growth of the perennial grass can be ensured, the growth of the weeds is inhibited because of insufficient light, and then the weeds gradually disappear from the grass. The invention solves the problems of low grass yield of the artificial grassland established in the current year in south and heavy weeds, thereby being of great significance for popularizing artificial grassland growth in south and promoting the development of grassland agriculture in south.

The invention discloses a method for restoring soil in a farmland polluted by polycylic aromatic hydrocarbons (PAHs) by anionic-nonionic mixed surface active agent enhanced ryegrass and rhizospheric microorganisms and belongs to the technical field of polluted soil restoration. The method comprises the following steps of (1) applying a low-concentration (30-150mg / kg) anionic-nonionic mixed surface active agent to the surface layer of PAHs polluted soil; (2) planting the ryegrass, harvesting plant bodies after the ryegrass grows for 40-60 days, and burning the plant bodies after the plant bodies are dried and transferred in a concentrative manner; (3) repeating the operation to clear away the PAHs in the polluted soil until the soil meets an environment safety standard. The method has the advantages that the low-dosage anionic-nonionic mixed surface active agent is adopted to elute the PAHs adsorbed on the soil in a solubilizing manner, so that the rhizospheric microorganisms can be promoted to degrade the PAHs, and the PAHs absorbed and accumulated by the plants can be improved; therefore, the efficiency for restoring the PAHs is improved. The method is simple in technology, low in cost, practical and safe.

The invention provides a formula of a meat rabbit feed and a preparation method thereof. The feed contains a coarse feed, a plant feed and a Chinese herbal medicine additive. The formula of the meat rabbit feed comprises the following components: a coarse feeder including corn flour, tapioca flour, peanut meal, bean pulp, rice bran, bone meal and aginomoto; a plant feed including ryegrass, oat grass, timothy grass, radish leaves, sweet potato stem and carrot; a Chinese herbal medicine additive including plantain herb, dandelion, purslane, mother chrysanthemum, honeysuckle, folium isatidis and radix isatidis. The meat rabbit feed disclosed by the invention is wide in source, low in cost, abundant in nutrient, and free of antibiotics and hormones; the culture-cycle of the meat rabbit can be shortened, the immunity of the meat rabbit is enhanced, and the economic benefits of meat rabbit breeding are improved.

The invention discloses a method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions, belonging to the technical field of soil improvement. The method comprises the steps of cultivating the barren lands for preparation; digging latticed fertilizing and planting ditches; preparing and applying mixtures including a fertilizer and a water-retaining agent; sowing seeds of ryegrass for the first time, cradling and covering; sowing seeds of ryegrass next year, cradling and covering; and the like. The method disclosed by the invention is definite in step and simple and feasible in process, after two years continuous integrated improvement, the soil bulk density is reduced, the void fraction is increased, the level of nutritive substances such as organic matters, total nitrogen, quick-acting nitrogen, phosphorus and potassium is improved obviously, the plough-layer soil can reach a medium fertility level, and normal agricultural utilization can be carried out. The method can be popularized and applied in newly cultivated barren lands in southern hilly and mountainous regions of China.

A method for assisting in tailings restoration through ryegrass and planting the ryegrass on restored land includes the following steps that tailings is turned over by 18-22 cm and leveled; fresh ryegrass growing to the florescence are shorn into broken segments being 3-5 cm long so that ryegrass green manure can be formed; the ryegrass green manure is spread on the tailings land which is turned over and leveled, and the ryegrass green manure and the tailings are fully mixed evenly so that smooth planting land can be formed; ryegrass seeds are sown on the planting land. The planting method includes the steps that the seeds are processed and sown; the ryegrass is harvested regularly while stubble is left and the harvested ryegrass is returned to the field, 3-5 years after the ryegrass is planted, the whole ryegrass plants are recycled, the land is turned over, then, ridges are reconstructed for planting, and the plating method is repeated in this way. Due to the virtuous cycle that the planted ryegrass is returned to the field, the ecological environment can be continuously improved, and the landscape phenomenon of the tailings can be improved. The method has the advantages that operability is high and ecologically friendly and restoration cost is substantially reduced and the method is an important measure for ecological restoration of the tailings.

The invention relates to a fruit tree organic fertilizer and a production technology thereof. According to the production technology, corn straw, wheat straw, soybean straw and sesame straw are crushed into straw particles at the mass ratio of 4: 2:1:1, water and aqua ammonia are added to pretreat the straw particles to obtain a mixture A; cattle manure, sheep manure and pig manure are respectively treated by ultraviolet rays and then by ozone, and then are mixed to obtain a mixture B; Aspergillus niger and saccharomycetes are added into a mixture of crushed cotton-seed cake, crushed rye grass and water to ferment to obtain a mixture C; the mixture A, the mixture B, the mixture C and sodium humate are mixed and are added with EM (Effective Microorganisms) to ferment to obtain a mixture D; shell powder, plant ash and charcoal dust are added into the mixture D, and then ozone sterilization, drying, sub-packaging and ultraviolet sterilization are performed to obtain a root vegetable organic fertilizer; the produced fruit tree organic fertilizer contains various nutritional ingredients necessary for growth of fruit trees, and can condition soil, activate the activity rate of microorganisms in soil, overcome soil hardening and increase air permeability of soil.

The invention discloses a kiwi planting method applicable to low-lying and flat areas, which belongs to the technical field of plantation of kiwis. The kiwi planting method is implemented by the parts including a kiwi planting field, kiwi trees, tree shed frames, a sprinkling irrigation system, a goose dung fermentation room, drainage ditches, goose flocks, goose houses and rye grass, wherein the kiwi planting field is larger than 0.5 mu; the more than 100 kiwi trees are planted in rows; the sprinkling irrigation system is buried underground; the goose dung fermentation room is built beside the kiwi planting field; the drainage ditches are excavated on the kiwi planting field in a vertical and horizontal intersection manner; the goose houses are arranged among the kiwi trees; and the rye grass is planted on the ground around the kiwi trees and the goose houses. The kiwi planting method has the advantages of comprehensive breeding, ecological cycle and environment friendliness; and excrement of gooses serves as optimal organic fertilizer for the kiwis and the rye grass, the rye grass serves as optimal feed for the goose, and earthworms, chironomus larva, water fleas and weeds in the drainage ditches serve as natural food for loaches.

The invention discloses a device for carrying out ecological treatment on sewage with a low carbon nitrogen ratio. The device which comprises a reactor, a peristaltic pump, a sewage sedimentation tank, a rotameter, an aeration pump, two time controllers, a sludge collection box, a sewage regulating box and an overflown wastewater collection box, wherein the reactor is divided into five chambers including a first anaerobic chamber, a first aerobic chamber, a second anaerobic chamber, a second aerobic chamber and a third anaerobic chamber by using baffles, and the five chambers are all internally provided with artificial waterweed eco-bases, and perennial ryegrasses are planted at the upper parts of the five chambers. By using the device disclosed by the invention, the synchronous removal of nitrogen and phosphorus in sewage with a low carbon nitrogen ratio can be realized in the way of continuous water feeding and intermittent aeration; meanwhile, the device disclosed by the invention has the advantages of simple equipment, ecologization, short process, low energy consumption, and less investment.

The invention discloses a method for overseeding ryegrass in cynodon dactylon. The method comprises the steps of firstly, deeply plowing a target turf, and sowing cynodon dactylon; then, deeply shearing the cynodon dactylon on the turf in autumn and winter, and scarifying the surface layer of the turf; and finally, sowing ryegrass, and carrying out trimming, fertilizing, watering and other operations with different requirements on the cynodon dactylon and the ryegrass many times according to different times and states in the period of time. Through overseeding the ryegrass in the cynodon dactylon, the two crops can synergically grow to ensure that the same turf remains green throughout the year, so that the favorable ornamental value, relatively high field application ratio and relatively high economic benefit are brought.

The isolation and function of a plant LpTFL1 from Lolium perenne (perennial ryegrass) are described, along with generation of transgenic Arabidopsis ryegrass, and red fescue plants. Thc gene prevents or represses flowering of transgenic plants. Methods for using the gene to repress or prevent flowering are described.

The invention relates to plant leaf green powder feed prepared by evenly mixing the straw powder of crops, such as corn, sorghum, millet, paddy, wheat and the like, the leaf green powder of plants, such as clover, pachyrhizus leaves, ryegrass, pine needles, tung tree leaves, locust tree leaves, shrubby falseindigo leaves, bean seedlings, ginseng leaves, reed and the like, the corn, bean cakes, wheat bran and lees by a certain mechanical processing. The invention makes full use of the straws of the crops and the stem and leaf resources of green plants, furthest retains chlorophyll and various nutrition in the stems and leaves of plants, saves large numbers of grains, avoids a condition that livestock and fowl feed uses large numbers of grains and vies for the grains with people, overcomes meat food contamination caused by using a chemical additive in the existing feed and effectively prevents animals from suffering from various diseases in the growing process, and the bred animals quickly grow, lay eggs and have much milk.

The invention belongs to the technical field of pasture cultivation, and particularly relates to a method of interplanting ryegrass on pitaya cultivation land. The method specifically includes: subjecting ryegrass seeds to four-hole bunch planting on the periphery 50-60cm away from pitaya stock plants from September to November each year; digging water fertilizer furrows in a surrounding manner between the pitaya and the ryegrass when applying water fertilizers, and discharging the water fertilizers into the water fertilizer furrows no matter whether the water fertilizers are applied to the pitaya or the ryegrass; in order not to affect pitaya absorption of the photosynthesis, clipping the ryegrass when the ryegrass grows to 35-40cm. Pasture planted around the pitaya is in favor of growth of aerial roots of the pitaya, so that growth of the pitaya and increase in production of the pitaya are benefited. In addition, the ryegrass can enhance soil fertility, has functions of promoting growth of aftercrops and improving the soil of pitaya orchards, and has very good effect on promoting the growth of the aftercrops of the pitaya.

The invention discloses a method for remedying heavy metals in domestic waste leakage solution, which comprises the following steps: sowing lawn plants on a plastic net based on 20-40g / square meter and culturing the lawn plants by irrigating Hoagland nutrient solution; after the lawn plants are cultured for 30 days, pouring the nutrient solution out completely, transplanting the lawn plants to the domestic waste leakage solution containing EDTA and continuing soilless culture on the lawn plants until germination; after the lawn plants are processed in the domestic waste leakage solution for 7-30 days, harvesting Lolium perenne L or Festuca arundinacea L and determining the contents of the heavy metals in the domestic waste leakage solution, on the overground parts and in the root systems of the lawn plants, thereby achieving the remediation effects of the lawn plants on the heavy metals in the domestic waste leakage solution. The technical method of the invention can effectively reduce the contents of such heavy metals as Pb, Cu, Zn, Cd, Cr and Ni in the leakage solution and features simple technical operation process, obvious economic and environmental benefits and broad application prospect.

The invention discloses a fertilizer-saving method for increasing yield of double-crop rice through returning lolium perenne and straws to fields and belongs to the technical field of fertilizer-saving and high-yield cultivation of agricultural production. The method comprises the following specific operating steps of subjecting fresh lolium perenne to turned-pressed field returning so as to replace part of nitrogen fertilizers during the growth of early rice, and returning straws of the early rice to the fields so as to replace part of the nitrogen fertilizers during the growth of late rice, thereby achieving the aims of soil fertility improving, nitrogen saving and high yield in a whole production cycle of the double-crop rice. According to the method, the problems of rice field cropping systems in the South of our country that the winter spare field area is enlarged, the rice field soil quality is lowered, the rice-production ecological cost is increased, the utilization rate of fertilizer is relatively low, and the like are solved, and the cultivation technique has the advantages that the yield of the double-crop rice is increased, the investment of chemical fertilizers is reduced, the utilization rate of fertilizer is increased, the soil tillage quality is improved, the yield is high, the nitrogen is saved, and the emission of N2O is reduced.

The invention provides methods for identifying polymorphic markers for herbicide resistance in weeds and for generating herbicide susceptible and herbicide resistant weeds by mutagenizing weeds and comparing genetic differences between herbicide resistant and herbicide susceptible weeds. The methods may involve the inhibition of mismatch repair in the weeds through the introduction of dominant negative alleles of mismatch repair genes, through T-DNA insertional mutations, or the use of chemical inhibitors of mismatch repair. The invention also provides polymorphic markers of herbicide resistance and methods and kits to screen for herbicide resistant weeds, such as horseweed, goosegrass and rye grass.

A 30 kDa ragweed complete pollen extract disulfide protein allergen has been purified from ragweed pollen. IgE immunoblots with sera of ragweed, walnut and ryegrass sensitive patients indicated that the 30 kDa protein is a major allergen. The 30 kDa protein finds use in allergy testing and immunotherapy regimens.

The invention discloses bacterium D10 for improving the validity of heavy metal and an application of the bacterium D10. The bacterium D10 is named as Sinorhizobium meliloti D10 according to classification and is preserved at the China Center for Type Culture Collection with the culture preservation number being CCTCC NO: M 2016554. A D10 bacterial strain is taken as a raw material and is activated by a culture medium to prepare a bacterium suspending liquid. Soil polluted by heavy metal in a mining area is inoculated with the D10 bacterium suspending liquid, which can promote growth of energyplants, increases the extractable copper content of rhizosphere soil of plants, and improves the copper content and total copper absorptive amount of plant roots. Alfalfa and rye grass that are inoculated with D10 can fix and restore soil polluted by heavy metal, and sweet sorghum inoculated with D10 can perform fixed restoration and extraction restoration. After inoculation with the D10 bacterium suspending liquid, the content of IAA produced by rhizosphere microorganisms of plants is increased, and the fertility of soil is improved.

The invention provides a method for culturing italian ryegrass, and belongs to the technical field of plantation, and especially relates to a culture technique for ryegrass. The invention provides the method for culturing italian ryegrass, and the method is easy in planting, convenient in management, high in yield, and easy in harvesting. The method for culturing italian ryegrass is characterized by comprising the following steps: 1, in sowing time, italian ryegrass Hercules can be sown in spring and autumn, combining with rain or irrigation, sowing after rain can easily obtain full stand; 2, seeding rate of the italian ryegrass Hercules being related to local natural conditions, soil conditions, sowing methods, and utilization objectives; 3, sowing method including: (1) sowing in drill, specification being 15-30 cm of line spacing and 5-10 cm of sowing width, (2) performing broadcast sowing, broadcast sowing being a most commonly used simple sowing method for farmers; 4, irrigating and draining, the italian ryegrass Hercules preferring wet and cannot stand waterlogging; 5, applying fertilizer, according to seedling conditions, and dressing a nitrogenous fertilizer once respectively in a trefoil stage and a tillering stage after seedlings emerge.

The invention provides a grape planting method and relates to the technical field of grape planting. The grape planting method comprises the following steps: selecting a field; establishing a grape trellis; establishing stereoscopic frames which are 1.5m to 1.6m high, and have row spacing of 1.3m to 1.5m and line spacing of 4m to 5m, wherein each two lines form a combination and the distance between every two combinations is 1.5m; carrying out field planting: selecting grape seedlings with 4 to 6 leaves and one core and carrying out the field planting; ditching and bedding, wherein beds are 25cm high and 100cm to 120cm wide and the field planting time ranges from October to November; after the field planting, watering in time to keep soil moisture and covering a mulching film; planting pressing grass, wherein the pressing grass comprises ryegrass and alfalfa; planting one or two of the ryegrass and the alfalfa among the beds of grape seedlings from February to March, wherein when the ryegrass and the alfalfa are mixed and planted, the ratio of seeds is 1 to 1 and the distance among the grass seeds is 10cm to 20cm; directly blending the seeds with a calcium magnesium phosphate fertilizer and sowing the seeds; pruning. According to the grape planting method provided by the invention, weeding work is avoided in a grass-on-grass manner and moisture can be kept very well, so that the irrigation frequency is reduced and the yield of the product can be easily improved.

The invention discloses a natural plant small molecular group substance concentrate and a production method thereof. The production method comprises the following steps: harvesting the natural plantsof tall hemarthria, trefoil, ryegrass, purple amaranth and swiss chard respectively, washing, carrying out ultraviolet disinfection, pulping, carrying out ultrasonic crushing, squeezing, filtering andobtaining juice; putting the obtained juice into a fermentation tank according to the ratio of 30-40% of tall hemarthria, 20-30% of trefoil, 10-15% of ryegrass, 10-15% of purple amaranth and 10-15% of swiss chard to be used as a reaction substrate, inoculating with secondary culture liquid of the strains of plant lactobacilli (with the serial number of SICC1.518) and aspergillus niger bacteria (with the serial number of SICC3.301) into the fermentation tank, mixing with the plant juice of the reaction substrate, fermenting and culturing for 72 hours, regulating and controlling the temperatureat 35-37 DEG C, regulating and controlling the pH value at 6.5, obtaining fermented culture liquid, drying the fermented culture liquid at low temperature of 70-80 DEG C after purifying, ultrafiltering and concentrating, and obtaining the small molecular group substance concentrate. Experiments prove that the effects of the concentrate for promoting the growth of fattening pigs and enhancing thefeed conversion rate are respectively 20% and 11.8%, and the effects of the concentrate for promoting the growth of fattening meaty ducks and enhancing the feed conversion rate are respectively 7% and9.7%.

The invention relates to the technical field of dairy cow feed processing, in particular to alfalfa silage for dairy cows and a preparation method thereof. The alfalfa silage comprises, by weight, 20-40 parts of alfalfa, 60-200 parts of lolium perenne, 5-10 parts of sweet sorghum straw, 5-20 parts of fructus crataegi, 2-4 parts of astragalus polysaccharide and 4.0-7.0mg / kg of lactobacillus preparation. Rumen swelling of dairy cows caused by frequent eating of the alfalfa silage is prevented by adding hawthorn powder, and palatability of the alfalfa silage is improved by adding the sweet sorghum straw and astragalus polysaccharide. The preparation method is simple in preparation process, pH value of the silage is lowered, content of lactic acid and water-soluble carbohydrate is increased, ensiling quality of alfalfa is improved obviously, and the preparation method is an effective way to solve the problem that fresh forage grass lacks in winter during livestock production and is of important significance in reasonably utilizing alfalfa.

The invention discloses a method for using industrial and agricultural waste residue to improve phosphogypsum for vegetation recovery, which includes: according to physical and chemical characteristics of phosphogypsum and comparison of the phosphogypsum with soil constituents, using sludge generated from sewage treatment plants, coal ash generated from power plants, and red mud generated from aluminum manufacturers to improve the phosphogypsum; successfully planting lawn grass; and according to the requirements of grass grown, covering the pure phosphogypsum with an improved substrate layer 10-14cm thick, and sowing seeds on the substrate layer according to the seeding amount of common lawn grass. Grass seeds suitable for growing include seeds of tall fescue, broadleaf paspalum, alfalfa, ryegrass, trifolium repens, Bermuda grass and the like. Turfs of tall fescue, Agrostis, Bermuda grass and the like can grow normally on the improved substrate. According to the principle of 'waste control by waste', the phosphogypsum is subjected to soilless vegetation recovery, so that the cost of vegetation recovery by phosphogypsum is lowered greatly, and great economic benefit and environmental benefit are achieved.

The invention belongs to the field of agricultural technology, environmental protection and ecological improvement application, and discloses Bacillus P75 for improving Pisha sandstone soil fertilityand application thereof. Bacillus halotolerans P75 is taken as a raw material, and bacterial activation carries out to prepare a bacterial suspension. When being inoculated into Pisha sandstone, the Bacillus P75 can significantly improve soil fertility indexes of Pisha sandstone soil, such as organic matters, quick-acting phosphorus and quick-acting potassium, and promote the growth of ryegrass and alfalfa.

The invention discloses a method for inhibiting the growth of lawn weeds in planting lawn. The pot culture is adopted. The method comprises the steps of: selecting cylindrical plastic containers with the diameter of 17cm and height of 15cm, adding 3000g of fresh raw soil in the containers, flatly laying wastes on the upper layer of the soil, and uniformly broadcast-sowing 3g of perennial ryegrassseeds on the wastes; and conducting the experiment in a laboratory during the preliminary period, adequately watering each pot, transplanting the perennial ryegrass into field and deeply burying the perennial ryegrass into soil after the perennial ryegrass seeds fully germinate and are stable after 10 days of germination, and keeping the plant growing environment; and guaranteeing the amount of water required everyday after sowing, measuring the stem number of weeds every 5 days, and measuring the biomass of the perennial ryegrass and the weeds aboveground and underground after 40 days of germination. According to the method disclosed by the invention, the double effects of normal lawn plantation and weed inhibition are achieved.

The invention discloses the applications of earthworm cast, dunghill, and mixing leaching liquor soaking seeds of the earthworm cast and the dunghill in the aspect of improving the early-stage growing vitality of a lawn plant which improves the early-stage growing vitality of the lawn plant through 3 methods of soaking seeds by water extract; thereby reaching the target of improving excellent lawn building at the early-stage of the lawn. A test result shows that the earthworm cast, the dunghill, and the mixing leaching liquor soaking seeds of the earthworm cast and the dunghill can improve the seed bourgeon rate of the lawn plant and the leaching liquor with a certain proportion has remarkable promoting effects on increasing the biomass on a land of ryegrass and tall fescue; wherein, the effect of the earthworm cast is the most remarkable; meanwhile, the water extract also increases the chlorophyll content of the plant, promotes the photosynthesis and growth of the plant and improves the capacity of the lawn plant to compete with weeds; thereby reaching the target of improving the excellent lawn building at the early-stage of the lawn.

The invention belongs to the technical field of plant propagation and discloses a plant growth regulator composition for ryegrasses. The plant growth regulator composition is prepared from uniconazole and an auxin plant growth regulator with the mass ratio of (2-8) to (6-10). When being used for treating ryegrass seeds, the plant growth regulator composition can remarkably increase the rooting rate of the ryegrasses, and the interaction effect of the uniconazole and the auxin plant growth regulator on the growth of ryegrass seedlings is remarkable, the quality of the ryegrass seedlings is remarkably improved, the sprouting and the growth of the ryegrasses are facilitated, the lodging resistance and the severe environment resistance of the ryegrasses are improved and the plant growth regulator composition is beneficial to the promotion and the application of the ryegrasses.