17 results about "Setaria viridis" patented technology

This invention discloses a photoperiod regulation gene of foxtail grass. SvEhd1 Its application in shortening the research cycle of rice resistance to rice blast falls under the fields of genetic engineering and plant breeding. SvEhd1 The gene nucleotide sequence is shown in SEQ ID NO.1. This invention utilizes cloning... SvEhd1 Genes and their promoters were used to construct recombinant expression vectors, which were then transformed into the blast-susceptible rice variety "Taipei 309," resulting in transgenic rice materials with significantly shortened growth periods. Under natural and artificial long-day conditions, the heading time of the transgenic plants was significantly earlier than that of the wild type, the generation rate was accelerated, and the blast susceptibility of the original variety was not altered. The transgenic materials and methods provided by this invention can effectively shorten the experimental cycle for verifying the function of rice blast resistance genes and evaluating resistance, providing an efficient experimental system for rice disease resistance research.

This invention relates to the fields of compound synthesis technology and pesticide technology, specifically to natural naphthoquinone derivatives and their preparation methods and applications. The natural naphthoquinone derivatives are either natural naphthoquinone derivatives containing aryl carboxylic acids or natural naphthoquinone derivatives containing diphenyl ether units. Some of the natural naphthoquinone aryl carboxylic acid derivatives and natural naphthoquinone diphenyl ether derivatives of this invention exhibit 100% control efficacy against six weeds (barnyard grass, crabgrass, foxtail grass, velvetleaf, amaranth, purslane, etc.) at a dosage of 300 a.g. / ha. These compounds achieve good weed control effects at low dosages and have relatively good safety for crops such as corn, wheat, peanuts, soybeans, and cotton. They can be used as selective herbicides in agriculture. The compounds of this invention can be developed and used as potential PSII inhibitors and post-emergence herbicides for broadleaf weeds. The derivatives have simple structures and preparation processes, low production costs, and broad application prospects.

The application discloses a rapid molecular detection method for a His-170-Pro mutation of a green dogtail grass ALS gene, and belongs to the technical field of gene mutation detection. First, a DNA sample of the green dogtail grass is extracted, then LAMP specific primers designed according to a resistant mutation site of the ALS gene are used for constant-temperature amplification, a fluorescent dye is added into the amplification product, the fluorescent intensity change is observed under ultraviolet light, and / or the amplification product is subjected to agarose gel electrophoresis analysis, so that the rapid molecular detection of the His-170-Pro mutation of the green dogtail grass ALS gene is realized. The application realizes rapid, efficient and visual detection of the target nucleic acid, overcomes the defects of time-consuming, laborious, high cost, high dependence on instruments and equipment, complex procedures, long detection period and accuracy easily affected by operation in the prior art ALS-resistant green dogtail grass His-170-Pro mutation identification and detection method, and can greatly improve the field detection efficiency of the resistant green dogtail grass.

This invention discloses a compound with a (9β-H)-pinene core that inhibits weed growth, its preparation method, and its applications. In this invention, the ethanol extract of the tuberous part of *Cornus mansoni* is purified by macroporous resin column chromatography, followed by recrystallization and C244-distillation. 18 Gradient elution was performed using reversed-phase medium-pressure column chromatography; finally, its chemical structure was identified by methods such as proton NMR, carbon NMR, and comparison with literature data. The compound icacenone in this invention exhibits significant inhibitory effects on the root growth of Arabidopsis thaliana, barnyard grass, and foxtail grass, while remaining safe for the growth of rice and Job's tears, making it a potential pesticide formulation for developing biological herbicides.

The present application discloses a kind of corn field's herbicidal water dispersible granule, active ingredient includes mesotrione, ametryn and dichlorprop. Compared with the existing single active ingredient preparation, the herbicidal water dispersible granule of the present application adopts triple action mechanism, in addition to having significant herbicidal effect, but also can expand the herbicidal spectrum;Water dispersible granule has high suspension rate, strong hard water resistance, suitable for different regions corn field a variety of malignant weed control, such as barnyard grass, crabgrass, green dogtail grass, senna, amaranthus retroflexus, chenopodium etc., stable efficacy, long persistence, less preparation residue, can significantly reduce the resistance of weed EC 50 , and no phytotoxicity to crops, good safety, in line with the safety requirements of pesticide preparation.

This application discloses a multi-source grain and bean compound health-preserving cereal formula, which is composed of the following raw materials in the following weight proportions: 2-8 coweye beans, 3-9 kidney beans, 5-9 red beans, 2-7 white kidney beans, 5-8 corn kernels, 4-8 golden silk beans, 5-9 brown rice, 6-10 soybeans, 4-7 mung beans, 4-7 black rice, 6-9 millet, 5-10 red lentils, 3-5 barnyard grass seeds, 1-3 foxtail grass seeds, 2-5 wild millet, 1-3 canary seeds, 2-4 oats, 4-8 buckwheat, 2-6 chickpeas, 4-7 Job's tears, 2-4 rye flakes, 0.1-0.3 foxnut (for diuresis and dampness removal), 0.2-0.6 lily bulbs, 0.1-0.3 lotus seeds, 0.2-0.3 quinoa, 0.2-0.5 wild millet, and 0.2-0.5 spotted beans. According to this application, a multi-source grain and legume compound health cereal formula adopts a four-layer gradient scientific compound structure. The raw materials include conventional grains, legumes, native wild seeds and trace amounts of medicinal and edible ingredients. The nutrition is comprehensive and complementary, which can fully supplement the human body with high-quality plant protein, complex dietary fiber, rare minerals and amino acids.

The invention belongs to the technical field of environmental functional materials and advanced treatment of antibiotic wastewater, and particularly relates to directionally activated and modified biochar based on a green bristlegrass silicon-rich-vascular bundle structure as well as a preparation method and application of the directionally activated and modified biochar. The preparation method comprises the following steps: cleaning green bristlegrass, drying, crushing and sieving; dipping green bristlegrass powder in a KOH solution, initiating pre-activation, and drying after dipping is finished; in an inert atmosphere, pyrolyzing the impregnated sample; and finally, sequentially carrying out acid pickling, water washing, re-drying, crushing and sieving on the pyrolyzed sample to obtain the directionally activated and modified charcoal. The preparation process is simple, and the cost is low; the prepared material has a high specific area, is mainly mesopores, is rich in oxygen-containing functional groups on the surface, can be used as a high-selectivity and high-capacity tetracycline adsorption material, and can keep stable adsorption performance in a wide pH range. The method disclosed by the invention realizes the dual goals of waste recycling and antibiotic deep purification, and has extremely high industrialization value and application prospect.

The invention belongs to the technical field of compound synthesis, and particularly relates to a pyrazol-quinoxaline derivative and a preparation method and application thereof.The pyrazol-quinoxaline derivative is based on combination of a pyrazol structure and quinoxaline ketone, scientific and reasonable connection is carried out by screening connecting bonds, connecting sites and the like, and the pyrazol-quinoxaline derivative is obtained. The pyrazole-quinoxaline weeding drug micromolecules with relatively stable physicochemical properties and excellent druggability are prepared; the derivative especially has a remarkable post-emergence inhibition effect on barnyard grass, eleusine indica, green bristlegrass, piemarker, amaranthus retroflexus and purslane.

The application belongs to the field of environmental functional materials and advanced treatment technology of antibiotic wastewater, and particularly relates to a directional activation modified biochar based on a silicon-rich dogtail grass vascular bundle structure, a preparation method and application thereof; the preparation method comprises the following steps: washing and drying dogtail grass, and then crushing and sieving; immersing dogtail grass powder in a KOH solution to initiate pre-activation, and then drying after the immersion; pyrolyzing the sample after the immersion in an inert atmosphere; and finally, sequentially performing pickling, water washing, drying, crushing and sieving on the sample after the pyrolysis to obtain the directional activation modified biochar. The application has the advantages of simple preparation process and low cost; the prepared material has a high specific area, is mainly mesoporous, and is rich in oxygen-containing functional groups on the surface, and can be used as a high-selectivity and high-capacity tetracycline adsorption material which can maintain stable adsorption performance in a wide pH range. The application realizes the dual goals of "waste resource utilization-antibiotic deep purification", and has strong industrialization value and application prospect.

The invention relates to a compound as shown in a formula (I) or a stereoisomer, a tautomer, a solvate, a hydrate and a pharmaceutically acceptable salt thereof. The compound has good inhibitory activity on PPO. The weeding composition has especially excellent weeding activity on barnyard grass, morning glory, green bristlegrass, abutilon fiber and other weeds, and especially has an excellent effect on broadleaf weeds.

The invention discloses diphosphonic acid and a salt compound thereof, a preparation method and application. The structural formula of the bisphosphonic acid and the salt compound thereof is shown as a formula (I). According to the preparation method, methyl (3-oxopropyl) phosphinic acid is taken as an initial raw material, a target product [1-hydroxy-3-(methylphosphonyl) propyl]-methylphosphinic acid is prepared through condensation and hydrolysis two-step reaction, and the target product reacts with an alkaline substance to obtain corresponding salt. The obtained target product has a bisphosphonic acid skeleton, and the bisphosphonic acid herbicide lead compound with a novel structure is beneficial to improving the weed removal effect; meanwhile, the target product is salified to obtain a salt compound, the salt compound is used for preparing herbicides for preventing and controlling green bristlegrass, amaranthus retroflexus, chenopodium album and other weeds, the obvious weeding effect is achieved, the water solubility, hygroscopicity, stability and the like of the compound can be changed by preparing the salt compound into the salt, and therefore different preparation requirements are met.

The application discloses a kind of bisphosphonic acid and its salt compound, preparation method and application.The structural formula of the bisphosphonic acid and its salt compound is as shown in formula (I).The preparation method is to prepare target product [1-hydroxy-3-(methyl phosphine acyl) propyl]-methyl hypophosphorous acid by condensation and hydrolysis two-step reaction with methyl (3-oxo propyl) hypophosphorous acid as starting material, and the target product is reacted with basic substance to obtain corresponding salt.The target product obtained by the application has bisphosphonic acid skeleton, and the novel bisphosphonic acid herbicide lead compound is beneficial to improve weed removal effect;Meanwhile, the salt compound obtained by salifying the target product is used to prepare herbicide for preventing and treating setaria viridis, amaranthus retroflexus, small gooseweed and other weeds, and has obvious weeding effect, and preparing salt can improve water solubility, hygroscopicity, stability and the like of the compound, so as to adapt to different formulation requirements.

The invention relates to the technical field of herbicides, and discloses a missible oil type herbicide and a preparation method and application thereof.The missible oil type herbicide is mainly composed of clomazone and s-metolachlor, the clomazone and the s-metolachlor are compounded according to a scientific proportion, complementation of action mechanisms of broadleaf weeds and grassy weeds is achieved, and the effect of the missible oil type herbicide on the grassy weeds is achieved. The comprehensive control effect of the compound preparation on common barnyard grass, green bristlegrass, amaranthus retroflexus and other weeds in a rape field is obviously superior to that of each single agent and conventional barrel mixing, the herbicide controlling spectrum is wide, the lasting period is long, the synergistic effect of the two is obvious, and the highest control effect can reach 99%.

This invention discloses an organic drip irrigation microbial fertilizer suitable for tomatoes, belonging to the field of agricultural microbial fertilizers. The fertilizer uses dandelion, purslane, barnyard grass, and foxtail grass as basic raw materials. These materials are prepared through directed tissue culture and mechanical-ultrasonic combined crushing, followed by enzymatic hydrolysis with mold to obtain a natural weed-derived culture medium. Then, Bacillus licheniformis is rapidly germinated using mid-wave infrared temperature control. Finally, a nutrient formula is precisely tailored to the tomato seedling, flowering, and fruit expansion stages, and a xanthan gum stabilization system is added to produce a liquid microbial fertilizer with a viscosity of 10-15 mPa·s to 20 mPa·s. This invention achieves high-value utilization of weed resources, solving problems such as cumbersome fermentation, unstable fertilizer effect, and poor nutrient compatibility in traditional microbial fertilizers. It improves the survival rate of bacterial strains and the utilization rate of raw materials, significantly reduces costs, allows for precise drip irrigation delivery, and significantly improves tomato survival rate, fruit set rate, and single fruit weight, thus offering both economic and environmental benefits.

The invention belongs to the technical field of plant cultivation, and particularly relates to a planting method for interplanting green bristlegrass with radix bupleuri in an arid region, which comprises the following steps: early-stage preparation: selecting a land with higher terrain and good drainage, deeply ploughing, watering, fertilizing, leveling and finely raking, and making a flat furrow with the width of 1.2-1.5 m; the radix bupleuri is sown in the first ten days of May, drilling is adopted, the line spacing is 25-30 cm, the ditch depth is 1-2 cm, and soil covering and pressure clearing are conducted after sowing; seedling emergence, thinning, final singling and topdressing of radix bupleuri in the middle of June; the green bristlegrass is sown while the radix bupleuri is sown, broadcast sowing is adopted, the sowing row is located between two rows of the radix bupleuri, the row spacing is consistent with that of the radix bupleuri, the ditch depth is 1-2 cm, and soil covering and light pressing are conducted after sowing; thinning after setaria viridis seedlings emerge, and cutting off upper stem leaves; harvesting green bristlegrass: harvesting seeds when the green bristlegrass is mature at the end of July and the beginning of August; harvesting the radix bupleuri: harvesting the radix bupleuri after the radix bupleuri grows for 2-3 years. By adopting the method, wind prevention and sand fixation in the arid region are realized, and convenient conditions are provided for growth of radix bupleuri in the arid region.

The application discloses a kind of spirocyclic amino acid skeleton compounds, it is compound shown as formula I with structural general formula, there are 29 kinds of compounds.The application also discloses the preparation method of spirocyclic amino acid skeleton compound.The application also discloses the application of spirocyclic amino acid skeleton compound in as or preparation herbicide, in the application in weed control or preparation in weed control preparation, the control object or weed of the herbicide is selected from the group consisting of barnyard grass, dogtail grass, Chinese alpine paper, crabgrass and other monocotyledonous plants, and purslane, amaranthus retroflexus, goosefoot, solanum nigrum, abutilon theophrasti and other dicotyledonous plants.Spirocyclic amino acid skeleton compound of the application is obtained after molecular modification to microsphaeropsis ochracea ketonic acid, and experimental research shows that the weed control effect is good, especially compound C3, compound C22, compound C23, the growth of crop has no influence basically.Spirocyclic amino acid skeleton compound of the application is suitable for industrial production, and has great application potential.

The invention discloses a herbicide composition containing topramezone and application of the herbicide composition to prevention and removal of weeds in sorghum fields, and belongs to the technical field of pesticide preparation. According to the invention, topramezone, fluroxypyr, terbuthylazine and cyclopropanesulfonamide are used as active ingredients to prepare the herbicide composition. The problem that the letopramezone is poor in safety to sorghum for a long time is solved, the safe dosage threshold value of the herbicide composition to the sorghum at least can reach 686.25 g a.i. / ha, and under the dosage of 457.5-686.25 g a.i. / ha, the herbicide composition has an excellent control effect on malignant weeds such as barnyard grass, digitaria sanguinalis, green bristlegrass, alligator alternanthera, commelina communis, convolvulus arvensis and gynostemma pentaphylla in a sorghum field. And the composition is low in residue and safe to afterreap crops. According to a conventional scheme, quinclorac and atrazine are both long-residue pesticides, and later-crop solanaceae, cruciferae and leguminous crops need to be spaced for more than 12-24 months.