13 results about "Lolium multiflorum" patented technology

The invention relates to the technical field of pesticides, and discloses a weeding composition and application thereof. The effective components of the weeding composition comprise the flufenacet, the flumioxazin and the diflufenican. The weeding composition can be used for preventing and treating weeds in wheat fields. The weeding composition provided by the invention is used for preventing and killing weeds such as alopecurus macrostachyus and lolium multiflorum in a wheat field, has a surprising and unexpected synergistic effect, and has more remarkable weeding activity than the expected sum of the activity of a single herbicide and the activity of a single herbicide or the activity of a combination of any two herbicides, so that the weeding composition is a novel weeding composition for preventing and killing weeds such as alopecurus macrostachyus and lolium multiflorum. The synergistic effect is more remarkable under the condition of low dosage, the dosage can be reduced, the pollution to the environment is reduced, the agricultural cost is reduced through reasonable compounding, and the bactericidal composition has a better application prospect.

The invention discloses an application of fenoxazole liquiritiamine as an active ingredient of a wheat herbicide and a weeding composition, and mainly relates to the technical field of pesticides. The weeding composition is applied to post-emergence weeding of wheat, weeds removed by the weeding composition are gramineous resistant weeds including beckmannia syzigachne, alopecurus ramosutus, alopecurus aequalis, alopecurus japonicus, lolium multiflorum and bromegrass, the weeding composition is compounded with an active component B for use during specific application, and the active component B is selected from one or a combination of more of an ALS inhibitor, an HPPD inhibitor, substituted urea and an ACCase inhibitor. The weeding composition has the beneficial effects that the weeding composition is used before wheat jointing and a four-leaf stage of weeds, has a synergistic effect, and can solve the problem of resistant gramineous weeds in wheat fields.

The application provides a pyrrolidone-containing 2-phenylpyridine derivative and a synthesis method, application and herbicide thereof, and belongs to the technical field of compound synthesis. The structural general formula of the pyrrolidone-containing 2-phenylpyridine derivative is shown in formula I or formula II. The pyrrolidone-containing 2-phenylpyridine derivative has a novel molecular skeleton, has excellent herbicidal activity on three broadleaf weeds of amaranthus retroflexus, abutilon theophrasti and medicago sativa and three gramineous weeds of euphorbia heterophylla, digitaria sanguinalis and lolium multiflorum, and has good crop selectivity on wheat, corn and rice.

The invention discloses a ternary weeding composition containing pyroxasulfone, the ternary weeding composition contains effective weeding amounts of pyroxasulfone, diflufenican and trifluralin, the mixture of the pyroxasulfone, diflufenican and trifluralin has a remarkable weeding synergistic effect and lasting time, and monocotyledonous weeds and dicotyledonous weeds can be effectively prevented and removed; according to the present invention, the weeding composition can be applied to weeds such as aegilops tauschii, Italian ryegrass, wild oats, bromegrass, alopecurus aequalis, beckmannia syzigachne, veronica didyma, cleavers, descurainia sophia, shepherd's purse, henbit, lithospermum arvense, chickweed and the like, such that the use amount and the use frequency of the chemical pesticide can be substantially reduced, the safety is improved, and the resistance of the weeds is not easily generated.

The application discloses application of a Lolium multiflorum CYP92C6 gene in improving herbicide tolerance of rice and belongs to the technical field of biotechnology. A cytochrome P450 family gene CYP92C6 is identified from Lolium multiflorum resistant to florasulam, the CDS sequence of the CYP92C6 gene is shown as SEQ ID NO:1, and the CYP92C6 protein encoded by the amino acid sequence shown as SEQ ID NO:2. The gene can efficiently metabolize florasulam through in-vitro yeast expression verification; the gene is introduced into rice for overexpression, and the tolerance of the transgenic rice to florasulam and pinoxaden is significantly improved. Molecular docking analysis shows that the CYP92C6 protein has stable binding force with florasulam and pinoxaden. The application provides important gene resources for developing herbicide-resistant rice varieties and provides a new strategy for preventing and controlling weeds in rice fields.

The present invention belongs to the technical field of soil improvement. Disclosed in the present invention is a method for reducing nitrogen and phosphorus nutrient loss for a Camellia oleifera forest on purple soil. In the present invention, agricultural measures such as leveling, weed control and plowing are performed in a Camellia oleifera forest planting area, and then Lolium multiflorum is planted in a target area, so as to form a Lolium multiflorum-Camellia oleifera intercropping mode. The method of the present invention can remarkedly ameliorate loss of nitrogen and phosphorus nutrients in purple soil, and improve the soil fertility and ecological health of purple soil slope cultivated land.

The invention belongs to the technical field of ecological restoration of mining area soil, and particularly relates to pantoea ananatis and application thereof and a method for improving magnesium dust pollution resistance of barley grass. The Pantoea ananatis is preserved in China General Microbiological Culture Collection Center (CGMCC) on August 14, 2024, is classified and named as Pantoea ananatis, is preserved in No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and has a preservation number of CGMCC No.31585. The invention further discloses a preparation method of the Pantoea ananatis. Through the synergistic effect of the alkali-resistant growth-promoting rhizobacteria and the citric acid, the resistance of the barley grass to magnesium dust pollution is improved.

The invention relates to a pre-emergence weeding composition and application thereof, and belongs to the technical field of pesticide compositions. The weeding composition takes pyroxasulfone and bisamide as effective components, and the mass ratio of pyroxasulfone to bisamide is (1-20): (20-1). The weeding composition can be prepared into a pesticide preparation, and the pesticide preparation comprises wettable powder, a suspending agent, a dispersible oil suspending agent, a microemulsion, an emulsion in water, granules and water dispersible granules. The pre-emergence weeding composition provided by the invention can effectively prevent and eliminate annual gramineous weeds and annual broadleaf weeds, can be safely used in wheat fields, soybean fields, peanut fields and vegetable fields, and is safe to crops and also safe to the environment. The weeding composition can be widely used for preventing and killing weeds such as lolium multiflorum, alopecurus aequalis, wild oats, bromegrass, chenopodium album, amaranthus retroflexus and shepherd's purse, and still has a relatively good prevention effect on intractable weeds.

The invention provides a plant grass seed bag for slope protection of a mine dump and application of the plant grass seed bag. The plant grass seed bag is prepared from wheatgrass, elymus dahuricus, astragalus adsurgens, caragana microphylla, sweet clover and annual ryegrass according to the mass ratio of (1-1.4): (1-1.4): (1-1.6): (0.3-0.7): (0.1-0.4): (0.3-0.7). The plant grass seed bags are used for protecting the slope surface of the mining area dumping site. The method comprises the steps that S1, the slope surface of the mining area dumping site is leveled and then organic fertilizer is applied; s2, the plant grass seed bags are sown on the slope surface of the mine dump; s3, a water and soil immobilization material is laid, specifically, the water and soil immobilization material is laid on the slope surface of the mine dump and fixed; the water and soil holding material is one or any combination of a straw mat, plant fibers, a salix mongolica sand barrier and a reed curtain; s4, irrigation and maintenance; according to the method, the slope surface of the mine dump is successfully covered with green through cooperation of the water and soil immobilization material, the plant grass seed bag and the organic fertilizer.

The invention discloses a production method for efficient intercropping of Italian ryegrass and Vicia villosa, and belongs to the field of pasture planting. According to the characteristics of Guangxi winter fallow fields, the competition bottleneck of traditional mixed sowing is broken through, a precise intercropping mode of lolium multiflorum and sweet potato is created for the first time, and the optimal row ratio of 3: 1 is defined; resource utilization is coordinated by standardizing drilling parameters and quantifying the seeding rate; dynamic field management of regional climate is combined, interspecific complementation is enhanced, compared with an existing mode, the yield and quality are remarkably improved, the yield can reach 69.83 t.hm <-2 >, and efficient ecological utilization of the winter fallow field is achieved.

The present invention belongs to the field of pesticides, specifically relating to a ternary herbicide composition containing cypermethrin and its use. The ternary herbicide composition comprises herbicidally effective amounts of the active ingredients cypermethrin, #imgabs0#, and diflufenac. This composition effectively controls weeds such as multiflora ryegrass, alopecurus, shepherd's purse, wild rapeseed, cleaver, and chickweed, expanding its weed control spectrum, reducing application rates, producing synergistic effects, and addressing resistant weeds.

The application discloses application of a Lolium multiflorum CYP92C6 gene in improving herbicide tolerance of rice and belongs to the technical field of biotechnology. A cytochrome P450 family gene CYP92C6 is identified from Lolium multiflorum resistant to florasulam, the CDS sequence of the CYP92C6 gene is shown as SEQ ID NO:1, and the CYP92C6 protein encoded by the amino acid sequence shown as SEQ ID NO:2. The gene can efficiently metabolize florasulam through in-vitro yeast expression verification; the gene is introduced into rice for overexpression, and the tolerance of the transgenic rice to florasulam and pinoxaden is significantly improved. Molecular docking analysis shows that the CYP92C6 protein has stable binding force with florasulam and pinoxaden. The application provides important gene resources for developing herbicide-resistant rice varieties and provides a new strategy for preventing and controlling weeds in rice fields.

The invention discloses a lolium multiflorum LmNRAMP5-CS gene and application of the lolium multiflorum LmNRAMP5-CS gene in plant genetic improvement, and belongs to the field of crop genetic breeding. According to the present invention, the mutation lolium multiflorum LmNRAMP5 gene is specifically truncated, such that the LmNRAMP5-CS gene of which the nucleotide sequence is represented by SEQ ID NO. 1 is obtained; experimental results show that overexpression of the LmNRAMP5-CS gene can significantly promote the growth and yield increase of the plant and enhance the tolerance of the plant to cadmium toxicity and iron deficiency stress on the premise of not increasing the total cadmium accumulation amount. The LmNRAMP5-CS gene provided by the invention can be used for creating new crop germplasm which is high in yield, resistant to heavy metal stress and controllable in plant cadmium accumulation, is particularly suitable for molecular design breeding for safe and efficient production in cadmium-polluted soil, and can remarkably improve the breeding selection efficiency and accelerate the breeding process of high-quality and safe crop varieties.