52 results about "Poa annua" patented technology

The invention relates to a microsclerotium bacterial strain and a method for biological weed control therewith, belonging to the application of microorganism for agricultural plant protection. The microsclerotium bacterial strain is (SC64) CGMCC with number thereof being NO.2934. The use dosage of weeding bacterial particles obtained by solid fermentation of the bacterial strain ranges from 30g.m-2-150 g.m-2, and the weeding bacterial particles can be applied to poaceae crops such as corn, rice, wheat, barley, sugar cane, kaoliang, millet and poaceae plants such as lawn bermuda grass, zoysia japonica, festuca arundinacea, poa annua, agrostis stolonifera, axonopus compressus, eremochloa ophiuroides, ditch millet to control growth of broad-leaf weed. In addition, in particular, the weeding bacterial particles can be applied to control destructive invasive foreign weeds such as eupatorium adenophorum, solidago canadensis, horseweed herb, conyza sumatrensis, flaveria bidentis, mikania micrantha, annual fleabane herb and fragrant eupatorium herb. 80% of the target weeds can be brought under control, thus having the characteristics of safety and environmental friendliness.

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 invention provides a method for updating a deteriorated grassland bluegrass lawn at low cost in the north. Weed control, pruning height control, lawn partition area and turf block size determination, rooting hastening with grass blocks soaked in pesticide, determination of the number of turf blocks planted in a community per square meter and planting positions, compacting, watering, sand covering, growth regulator application and other technologies are applied, on the basis of the natural rules of plant interspecific competition and the survival of the fittest, zoysia japonica can easily invade the deteriorated grassland bluegrass lawn due to strong creeping stems and the strong growing vigor and competitiveness, other grass seeds can hardly invade the lawn once the population of the zoysia japonica is formed, and therefore the aim of updating the deteriorated grassland bluegrass lawn at low cost is achieved. The effective method can be applied to the production practice of landscaping in a large area, can solve the problem of a deteriorated cool-season lawn, and can lower updating cost.

The invention discloses bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) and a screening method and application thereof. The bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) has been preserved in the general microbiological center of Chinese microbial species preservation management committee, and the preservation number is CGMCC No.13887. The concentration of conidium which utilizes the bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) is more than 104 per milliliter, and the bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) is used for biological weeding, can be safely used in Oryza sativa L., Triticum aestivum L., sorghum bicolor (L.) Moench, Glycine max (Linn.) Merr., Gossypium spp and vegetable crop fields as well as Festuca elata Keng ex E. Alexeev and Zoysia japonica Sreud., and is used for controlling gramineous weeds such as Digitaria sanguinalis (L.) Scop, Eleusine indica (L.) Gaertn, Setaria viridis (L.) Beauv., Echinoochloa crusgalli (l.) Beauv., Leptochloa chinensis (L.) Nees, Microstegium vimineum (Trin.) A. Camus, Alopecurus aequalis Sobol. and Poa annua L., as well as microstegium related genera plant such as Eccoilopus cotulifer (Thunb.) A., Miscanthus sinensis anderss., Eulalia speciosa, Microstegium japonicum, Arthraxon hispidus (Thunb.) makino, Sorghym sudanense (Piper stapf). The controlling effect on target weeds can reach more than 80%. The bipolaris panici-miliacei (Yi.Nisik.) Shoemaker (SX-5-2) has the characteristics of safety and environmental protection.

The invention relates to a technical method for greenhouse building, proper grass seed combining and planting and pasture harvesting and storing in arctic-alpine pasturing areas, in particular to a method for artificial pasture planting in greenhouses in arctic-alpine pasturing areas, and aims to solve the problem of shortage of fodder grass in winter and spring in the arctic-alpine areas. The whole-set method includes: providing greenhouse building parameters according to weather and soil conditions of the arctic-alpine pasturing areas and biological features of pasture; selecting three kinds of pasture including elymus nutans, elymus sibiricus and poa annua which are good in local seed introduction and domestication effect for seeding according to a proportion; performing fertilizing, irrigation management and harvesting and storing suited to local conditions and arctic-alpine weather conditions. By the method, utilization efficiency of weather resources like water, heat and light and pasture yield can be improved; fodder grass in winter and spring can be supplemented through harvesting and storing, so that economic benefit is remarkable.

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 provides a weeding composition containing saflufenacil, glufosinate ammonium and quizalofop-p-ethyl. The weeding composition comprises the following active components saflufenacil, glufosinate ammonium and quizalofop-p-ethyl according to a mass ratio 1-50:0.1-20:0.1-20; the mass of the active components in the preparation is 1-60% of the total mass of the whole preparation, and the rest components are auxiliary components which are allowed to be used and accepted in pesticide; the dosage forms of the weeding composition comprise missible oil, suspending agent, wettable powder, water dispersible granule, emulsion in water, micron emulsion, particulate agent, microcapsule, and aqueous solution. The components can be used for effectively controlling main weeds in rice fields, such as barnyard grass, caper euphorbia seeds, crab grass, goosegrass herb and the like as well as winter wheat weeds, such as Alopecurus aequalis, Avena fatua, Polypogon fugax, Poa annua, Sclerochloa dura, Puccinellia distans, Lolium multiflorum, Lolium temulentum, Bromus japonicas, Phleum paniculatum, Aegilops tauschii, Beckmannia syzigachne, Mesembryanthemum crystallinum, shepherd's purse, Descurainia sophia, Malachium aquaticum, and the like.

The invention discloses a lawn planting method specially used for an aviation flying camp. The planting method includes the following steps: sowing is performed by adopting a mixed sowing manner, andmixed grass species are selected from Bermudagrass, festuca rubra, perennial ryegrass and poa annua; a basic layer, a water discharging layer and a sand layer are sequentially arranged on the flattened and compressed land, a foundation is formed, planting soil covers the foundation, and a fertilizer is mixed in the planting soil; and lawn sowing, fertilization, watering and maintenance are performed on a soil layer to form a lawn. The special lawn provided by the invention can adapt to hard soil, only moderate irrigation is needed, greenness appears in three seasons, the lawn is resistant to trampling, the root system is firm and stable, the community is stable and the lawn has less pruning. The method provided by the invention is very suitable for temperate monsoon climate regions in highlatitudes in China (Heilongjiang, Jilin, Liaoning, and most non-desert regions in Inner Mongolia).

The invention belongs to the technical field of agriculture and particularly relates to a compound pelletized grass seed production and processing process and application. Four grass seeds including Festuca Sinensis Keng cv. Qinghai, Poa Crymophila cv. Qinghai, Elymus dahuricus and Poa pratensisvat.anceps Gaud.cv. Qinghai are adopted as materials, and by experiments of seed selection, single-typeseed pelletizing, two-type seed compound pelletizing and the like, the compound pelletized grass seed production and processing process controllable in seed particle size and weight and ratios of different seeds is constructed and hopefully available for large-scale production and application. Compound pellets are obtained by processing of Festuca Sinensis Keng cv. Qinghai and Poa Crymophila cv. Qinghai, then compound pellets are obtained by processing of Elymus dahuricus and Poa pratensisvat.anceps Gaud.cv. Qinghai, and accordingly the two types of compound pelletized seeds can be close in size, weight and the like as far as possible. Therefore, in practical application, the two types of compound pelletized seeds can be mixed according to a certain ratio and used for grassland reseeding to guarantee a mixed seeding ratio of the four types of seeds.

The invention relates to application of beta-eudesmol in preparation of herbicides. Beta-eudesmol is prepared into a low-concentration aqueous solution with distilled water, amaranthus retroflexus andbluegrass seeds are cultured in a culture dish, and results show that beta-eudesmol significantly inhibits growth of amaranthus retroflexus and bluegrass. In a field experiment, beta-eudesmol is selected to prepare an aqueous solution with distilled water, the aqueous solution is sprayed to wild amaranthus retroflexus and bluegrass seedlings, and the result shows that the amaranthus retroflexus and bluegrass seedlings sprayed with beta-eudesmol wither and gradually die after one day, which indicates that beta-eudesmol can effectively kill weeds amaranthus retroflexus and bluegrass. Beta-eudesmol exists in various plants as a natural product, can be extracted from various plants, can be obtained in quantity in a chemical synthesis manner, can be degraded in nature, is non-toxic and harmless, and is low in dosage and strong in effect if being used as a herbicide, so that the compound has the potential of being developed into an environment-friendly commercial herbicide.

The invention discloses a wheat field weeding composition containing pyribambenz-isopropyl and florasulam. The weeding composition comprises effective components, the effective components comprise pyribambenz-isopropyl and florasulam, and mass ratio of pyribambenz-isopropyl to florasulam is 1-50:1-50. The weeding composition has synergistic effects, weed control spectrum is enlarged, and the product is mainly used for annual weeds, such as gramineous weeds: Alopecurus aequalis, Alopecurus japonicas, Bromus japonicus, Poa annua, Sclerochloa dura, Polypogon fugax, Miscanthus sinensis, and the like; broadleaf weeds: Malachium aquaticum, Galium aparine, Euphorbia helioscopia, shepherd's purse, Lapsana apogonoides, and the like; after the medicine is used after 30 days, average reducing rate reaches 92.78%, and average control rate is 97.93%.

The invention relates to a method of improving salt resistance of bluegrass by using exogenous proline. According to the technical scheme, 0.1-0.5mM proline solution is adopted for foliage spraying; spraying is carried out in the seedling stage of the bluegrass, and dates are usually selected between May and June; the rainless weather is selected, and the spraying time is 2-4 days; 2-4 times of spraying are carried out every day, and spraying is usually carried out before 8:00 in the morning and after 5:00 in the evening; the spraying amount meets the standard that foliage is moist and no water drops. When the bluegrass is processed through the method, the salt resistance of the bluegrass can be improved obviously. Besides, the method has the advantages that working procedures are simple, operation is easy, no secondary pollution is produced, and cost is low. Large-area processing is convenient.

The invention discloses a lawn planting method in a typical grassland area. The method is characterized in that indigenous plants are planted in a planting region in a mixed planting manner, wherein the indigenous plants comprise anthoxanthum glabrum, bromus inermis, koeleria macrantha, agrostis gigantea, festuca rubra and poa sphondylodes which are planted in a mixed manner according to the seed volume ratio of (0.9-1.3): (1.1-1.5): (0.7-1): (0.9-1.2): (1-1.3): (0.8-1.2). According to the method, cold-resistant local plants are adopted to complete ecological restoration, the cost is low, the survival rate is high, and the land utilization rate is high.

The invention provides a method for detecting the content of poa pratensis fatty acid. The method comprises the following steps of: (1) taking poa pratensis leaf tissues in a glass bottle; (2) adding sulfuric acid containing daturic acid; (3) discharging air in the glass bottle and sealing to perform water bath or metal bath; (4) cooling, and adding sodium chloride solution and normal hexane to whirl and centrifuge; (5) taking the centrifuged upper oil phase and putting into a gas chromatography-mass spectrometer (GC-MS) to analyze, and calculating the content of fatty acid according to the sample peak diagram. The method provided by the invention overcomes the problem of inconsistent extracting efficiency of lipids among the samples, optimizes the plant tissue sample amount of the sample to be detected and saves the dosage of a series of reagent in the process of methyl esterification; furthermore, the operation step of methyl esterification is simplified, the detecting and analyzing time of GC-MS after sampling is saved; the problem of serious carbonization in the process of the methyl esterification of the poa pratensis is overcome; therefore, the method provided by the invention is a poa pratensis fatty acid analyzing method with low cost, fast speed, simplicity and high efficiency.

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 discloses a method for promoting the formation of lawns in advance. Grass seeds are preferably selected from ryegrass, festuca arundinacea and kentucky bluegrass seeds for mixed sowing,the ratio is 5:3:2, and 10 kg of the grass seeds are sowed per mu. The method includes the following steps: step 1, performing soil ploughing, cleaning and soil preparation on the soil of a planting site; step 2, applying base fertilizer to the soil of the site; step 3, performing soil ploughing and levelling on the site again; step 4, performing seed planting; step 5, performing earth covering and suppression on the seeds; step 6, watering the planted seeds; step 7, removing coverings and performing topdressing after seedlings come out evenly; step 8, trimming plants; and step 9, performing lawn taking. Through the method, the growth speed of lawns can be greatly accelerated, the lawn-forming period of the lawns can be shortened, the lawns can be formed about 10 d in advance, and production management costs can be reduced; and the roots of the lawns are firm, compactness can be increased by about 10%, and high quality of turf can be achieved.

The invention discloses a herbicidal composition containing fluridone and prometryn and application thereof. The herbicidal composition is composed of the first active ingredient isofluridone, the second active ingredient prometryn and an auxiliary agent, and the weight ratio of the first active ingredient to the second active ingredient is from 1:20 to 20:1, preferably from 1:10 to 10:1. The composition can be prepared into agriculturally-acceptable emulsifiable concentrates, aqueous emulsions, suspension agents, microcapsule suspension agents, water-dispersible granules and dispersible oil suspension agents. The composition is composed of reasonable components and is good in herbicidal effect and low in pesticide cost, and the activity and herbicidal effect of the composition are not simple superposition of the activity of all the components; compared with an existing single agent, the composition has the advantages that the herbicidal synergistic effect is obvious, the dosage is low, and the safety of crops is good. The composition has good prevention and treatment effects on gramineous weeds such as echinochloa crusgalli, setaria viridis, digitaria sanguinalis, eleusine indica,avena fatua, bromus japonicus and poa annua and broadleaf weeds such as portulaca oleracea, convolvulus arvensis, persicaria lapathifolia, abutilon theophrasti medicus, chenopodium glaucum, nightshade, amaranthus retroflexus, xanthium sibiricum, commelina communis, descurainia sophia and capsella bursa-pastoris.

The invention discloses a quick germinating method for seeds in bluegrass turf establishment. The quick germinating method comprises the following steps: removing impurities from bluegrass seeds, after change-temperature treatment, horizontally tiling the bluegrass seeds in a special seed coat loosening device to loosen the seed coat; putting the coat-loosened seeds into 50-300mg / L gibberellin solution for soaking for 6-24 hours at 4 DEG C; after filtering out the soaked seeds, drying the water on surface by airing, adding an insect repellent agent to perform normal seeding and later-stage management when the seeds are in imbibition state and the moisture content of the seeds is 90-98%. The invention also discloses a special device for the quick germinating method for seeds in bluegrass turf establishment. The quick germinating method has the beneficial effects that the seed dormancy can be quickly broken and the germinating rate can be over 80% within 3-5 days by virtue of performing change-temperature treatment which is simple and easy to operate, soaking and coat loosening on the bluegrass seeds, the emerging of seedlings is in order, the competitive power between the seedlings and the weeds is strengthened, the management difficulties are reduced, the later-stage growth trend of the turf is relatively good, and the bluegrass turf establishment time is greatly reduced.

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 invention relates to a method for updating and intersowing of golf course lawn. The method comprises the steps of selecting agrostis stolonifera and other grass seeds which have high infectivity, conducting stress treatment on original lawn firstly, such as low shearing, grass combing, punching so as to provide a turf bed which facilitates the growth of sown Bentgrass, wherein the turf bed treatment in a stage before sowing is crucial, over-treatment can cause the death of blue grass and other grass, and insufficient treatment can affect the germination of the updated Bentgrass and thus affect the overall schedule of overseeding replacement. The updated lawn looks smooth and dense, the surface is smooth, and the color is green; the duration of entire intersowing is short, the cost is low, and the method is simple; besides, only 20 days are needed from the beginning of intersowing to normal use.

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 relates to a method of improving salt resistance of bluegrass by using exogenous proline. According to the technical scheme, 0.1-0.5mM proline solution is adopted for foliage spraying; spraying is carried out in the seedling stage of the bluegrass, and dates are usually selected between May and June; the rainless weather is selected, and the spraying time is 2-4 days; 2-4 times of spraying are carried out every day, and spraying is usually carried out before 8:00 in the morning and after 5:00 in the evening; the spraying amount meets the standard that foliage is moist and no water drops. When the bluegrass is processed through the method, the salt resistance of the bluegrass can be improved obviously. Besides, the method has the advantages that working procedures are simple, operation is easy, no secondary pollution is produced, and cost is low. Large-area processing is convenient.

The invention discloses a weeding composition containing mesotrione, quinclorac and pyribenzoxim. The mass ratio of the effective components which are the mesotrione, the quinclorac and the pyribenzoxim in the composition is 1-50:0.1-20:0.1-20. A preparation includes 1-60% by mass of the effective components, with the balance being auxiliary components permissable and acceptable in pesticides. The dosage form of the composition is an emulsifiable solution, a suspension, wettable powder, water-dispersible granules, an emulsion in water, a microemulsion, granules, a microcapsule and an aqueous solution. The composition can effectively control main weeds in a rice field such as barnyard grass, leptochloa chinensis (L.) Nees, digitaria sanguinalis (L.) Scop. and Indian goosegrass, and winter wheat weeds such as alopecurus aequalis, avena fatua L., polypogon fugax Nees ex Steud., poa annua, sclerochloa dura, puccinellia distans (L.) Parl., lolium multiflorum Lamk., lolium temulentum L., bromus japonicus Thunb. ex Murr., phleum paniculatum Huds., aegilops tauschii Coss., beckmannia syzigachne, crested wheat grass, shepherd's purse, descurainia sophia and malachium aquaticum (L.) Fries..

The invention discloses the use of a compound dehydrorhizotoxin, which is isolated and extracted from secondary metabolites of Curvularia sp., including the steps of fermentation of strains, extraction of secondary metabolites and separation and purification Complete, the purposes of the compound dehydroradicin in the preparation of herbicides, the compound dehydroradicin (Dehydroradicin) obtained by the present invention as a herbicide, in use, that is, when the concentration is 100 μg / mL, to Five common wild weeds that are difficult to eradicate with general herbicides, Amaranthus retroflexus, alfalfa, bluegrass, barnyardgrass, and the invasive plant Cocklebur sativa significantly inhibit the growth of seedlings, and they are prepared at different concentrations at the same time. Mixed with other pesticides, it is widely used in the development of various herbicides, and has great potential commercial application value.

The invention discloses a weeding composition containing penoxsulam, metamifop and pyribenzoxim. The mass ratio of the effective components which are the penoxsulam, the metamifop and the pyribenzoxim in the composition is 1-50:0.1-20:0.1-20. A preparation includes 1-60% by mass of the effective components, with the balance being auxiliary components permissable and acceptable in pesticides. The dosage form of the composition is an emulsifiable solution, a suspension, wettable powder, water-dispersible granules, an emulsion in water, a microemulsion, granules, a microcapsule and an aqueous solution. The composition can effectively control main weeds in a rice field such as barnyard grass, leptochloa chinensis (L.) Nees, digitaria sanguinalis (L.) Scop., and Indian goosegrass, and winter wheat weeds such as alopecurus aequalis, avena fatua L., polypogon fugax Nees ex Steud., poa annua, sclerochloa dura, puccinellia distans (L.) Parl., lolium multiflorum Lamk., lolium temulentum L., bromus japonicus Thunb. ex Murr., phleum paniculatum Huds., aegilops tauschii Coss., beckmannia syzigachne, crested wheat grass, shepherd's purse, descurainia sophia and malachium aquaticum (L.) Fries..

The invention discloses an application of a natural product patulin in weed control. Patulin is used as an active substance to develop a biological herbicide, which can be used for controlling weeds,and can be used for controlling weeds such as crab grass, false daisy, bluegrass, amaranthus retroflexus, microstegium vimineum, crofton weed, eupatorium adenophorum, morning glory, thyrocarpus sampsonii and plantain herb in crop fields (such as rice, corn, wheat and cotton) and non-cultivated areas. Patulin is preferably used for controlling crab grass, amaranthus retroflexus, microstegium vimineum and crofton weed. Patulin has the characteristics of wide weeding spectrum, environment friendliness, rapidness and high efficiency, and the weeding activity is improved by adding the auxiliary agent.

The present invention is directed toward Kentucky bluegrass varieties containing mutant allele BARHGTMA1 that exhibit resistance to diseases, pests and traffic. Specifically, the Kentucky bluegrass variety of the present invention, ‘Barvette’, exhibits the unique and surprising combination of resistance to Summer Patch caused by the fungus Magnaporthe poae, traffic tolerance and recovery, increased billbug and white grub tolerance, stem rust resistance and increased tolerance to summer stresses. The invention relates to seeds, plants and plant parts of Kentucky bluegrass variety ‘Barvette’, and also to progeny of Kentucky bluegrass variety ‘Barvette’ and to methods for producing other Kentucky bluegrass plants or plant parts from ‘Barvette’, and to the plants and parts derived from use of those methods. The invention further relates to hybrid Kentucky bluegrass seeds, plants, and plant parts produced by crossing ‘Barvette’ with another Kentucky bluegrass variety, species of Poa, or plant genus.

The invention discloses cloning and application of a poa pratensis glutamine synthetase gene PpGS1.1 promoter, relates to the field of gene engineering, and aims to fill the blank of research on a poa pratensis PpGS1.1 promoter sequence in existing resources and lay a foundation for improving poa pratensis nitrogen absorption and utilization capacity and improving the turf use quality of poa pratensis. According to the primer disclosed by the invention, the specific primer is SP1: 5 '-GCGGCCATGACAAGAATAAGAAG-3'; sP2: 5 '-GCGATGATCTTCTTCGGTGGTGTT-3', and SP3: 5 '- SP3: 5 '-AGATCGGTGAGGAGCGCCCATAA-3', and SP3: 5 '- And the SP4 is 5 '-TCGAACCGATGTACCGTATATGG-3', and the SP4 is 5 '- The nucleotide sequence of the promoter fragment of the PpGS1.1 gene is as shown in SEQ ID NO. 1.