188 results about "Setaria viridis" patented technology

The invention relates to a herbicidal combination containing flumetsulam. The herbicidal combination is characterized in that: the active ingredients of the herbicidal combination are component A and component B; the component A is the flumetsulam; and the component B is chosen from one or more of the following compounds: acetochlor, butachlor, alachlor, propisochlor, metolachlor, s-metolachlor, propachlor, ethachlor, napropamide, diphenamide, ethaprochlor, dimethenamid, high-effective dimethenamid, flufenacet, metazachlor, allidochlor, pethoxamid, prynachlor and propyzamide. The herbicidal combination can effectively decrease the dosage of the active ingredients per mu, broaden the weed control spectrum of each single agent and effectively control annual or perennial gramineous, broadleaf and cyperaceous weeds in the fields of peanut, soybean, rape, cotton, wheat, potato and other crops, such as green bristlegrass, crabgrass, barnyard grass, Asian sprangletop, speedwell, cocklebur, night shade, redroot amaranth, goosefoot, Indian mallow, cleavers and datura.

The invention discloses a weeding composition containing atrazine and mesotrione and application thereof. The composition takes the atrazine and the mesotrione as effective active ingredients. The weeding composition can effectively prevent and eradicate barnyard grass, crab grass, green bristlegrass and other annual weeds in maize fields, and has the control effect obviously higher than that of a weed killer singly using the atrazine or the mesotrione. In addition, with the composition, the pesticide effect is improved, the dosage is lowered, the economic cost is saved, the application dose of each active substance is greatly reduced, the residual in the environment is reduced, the production of herbicide resistance of weeds is delayed at the same time, the service life of the composition is prolonged, and thus the composition has important ecological significance and environmental protection significance.

The invention relate to a new bacterial strain NY1 of setaria bipolaris strain, which is stored in the China General Microbiological Culture Collection Center since April 1st, 2009 with the preserving number of CGMCC No.2989. The herbicidal combination comprising the said bacterial strain NY1 and the carrier commonly used in the pesticide field can be used for preventing and killing off Gramineae weed such as setaria, Chloris virgata, crab grass, goosegrass herb, barnyard grass and the like, preferably for preventing and killing off setaria, Chloris virgata, crab grass. The inventive bacterial strain and the herbicidal combination can be used for preventing and killing off Gramineae weed in the agricultural land and garden of non-corn and planting area, preferably in the broad-leaved crops.

The invention provides a weed killer containing moxa leaf extract and application thereof in saline-alkali soil sugarbeet planting. The weed killer comprises the following raw material components in parts by weight: 5-9 parts of clopyralid, 6.4-7.8 parts of moxa leaf extract, 2.3-5.5 parts of phosethyl-al, 1.2-2.6 parts of sophocarpidine, 1-2 parts of ethyl oleate, 3-4 parts of camphor, 8-10 parts of adhesive and 19-22 parts of solid carrier; the adhesive is triphenylmethyl ethylphenol polyoxyethylene ether; and the solid carrier is tapioca flour. In the application of the weed killer in saline-alkali soil sugarbeet planting, the control effect of green bristlegrass is 99.5% to 100%, the control effect of Chenopodium glaucum is 98.8% to 99.6%, the control effect of Siberian cocklebur is 99.5% to 100%, the control effect of nightshade is 98.5% to 99.2%, and the control effect of wormwood is 97.4% to 98.6%.

The invention discloses a substance ethyl 4-hydroxy-3-methoxycinnamate with herbicidal activity and belongs to the field of application of artificial synthetic chemicals to agricultural plant protection. The substance has a certain inhibitory effect on weeds such as digitaria sanguinalis, amaranthus retroflexus, barnyard grass, Setaria viridis, Chloris virgata, etc., and has the best inhibitory effect on the weed digitaria sanguinalis. IC50 is 281.53 mg.L<-1>. The substance is safe and environment-friendly, and is harmless to non-target crops.

The invention discloses imazethapyr water dispersible granules, which comprise the following components in percentage by weight: 10 to 90 percent of imazethapyr, 1 to 12 percent of wetting agent, 1 to 12 percent of dispersant, 1 to 25 percent of disintegrating agent, 1 to 10 percent of adhesive, 1 to 5 percent of stabilizing agent, and the balance of carrier. The invention also discloses a preparation method for the imazethapyr water dispersible granules. The method is simple in process and low in cost; and the obtained imazethapyr water dispersible granules are safe and environment-friendly, do not produce dust pollution, are difficult to produce pesticide hazard, have an excellent prevent effect on annual or perennial gramineous weeds and certain broad leaf weeds in soybean fields and other bean plant fields such as amaranth, polygonum, goosefoots, nightshade, xanthium sibiricum, barnyard grass, setaria viridis, digitaria sanguinalis, proso millet and the like, are convenient to use, and are suitable for large-area popularization and use.

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 provides a meat duck feed. The meat duck feed is comprehensive and balanced in nutrition, so that the growth requirements of meat ducks are met. An additive contains natural raw material ingredients of ecliptae herba, setaria viridis, trifolium repens, pomelo peel and the like, so that the meat duck feed can nourish the liver and the kidney, the organism immunity of the ducks is strengthened, and the disease resistance is improved; besides, the meat duck feed is natural, free from antihormones, and safe and environmental-friendly. The meat duck feed disclosed by the invention is low in cost, so that the breeding economic benefits are greatly increased.

The invention discloses a Hu sheep feed for digestion promotion and immunity enhancement, and a preparation method thereof. The feed comprises, by weight, 15-18 parts of seafood meat powder, 30-40 parts of wheat bran, 35-40 parts of soybean stem leaf powder, 20-25 parts of wheat straw powder, 3-4 parts of yolk powder, 5-6 parts of composite nutrition powder, 8-10 parts of tea leaf residue, 3-5 parts of pear tree sawdust, 2-3 parts of Eleusine indica, 1-2 parts of Digitaria sanguinalis (L.) Scop., 2-3 parts of Setaria viridis, 5-6 parts of Eichhornia crassipes, 3-5 parts of Helwingia japonica (Thunb.), 0.4-0.5 parts of ginkgo concentrate, 2-2.5 parts of a probiotic preparation, 4-5 parts of palm oil, 0.8-1.0 part of sodium dihydrogen phosphate, 0.05-0.08 parts of ferrous sulfate, 2-4 parts of vitamin AD powder, 0.3-0.5 parts of a vitamin C preparation and 6-7 parts of salt. The feed has food digesting, food retention alleviating, helminth dispelling, bacterium inhibiting and disease preventing effects, enhances the disease resistance of body, avoids the intake of artificial hormones and antibiotics, and has few side effects.

The invention relates to the technical field of biological weeding, particularly to Myrothecium roridum BC-1 with the preservation number of CGMCC No.11393. The Myrothecium roridum BC-1 is separated from blades of naturally diseased Echinochloa crusgalli (L.) Beauv. and has rapid and efficient pathogenicity for the Echinochloa crusgalli (L.) Beauv.; indoor experiments prove that conidia of the strain BC-1 are sprayed onto the blades of the Echinochloa crusgalli (L.) Beauv., scabs can appear after two days, contiguous scabs can appear on the blades of partial Echinochloa crusgalli (L.) Beauv. after seven days, the blades are withered, and the fresh weight reduction of the Echinochloa crusgalli (L.) Beauv. can be up to 93.7% after 21 days. The fungus strain, namely, the Myrothecium roridum BC-1, is safe to crops such as corn, wheat, rice and the like, has the better control effect on the Echinochloa crusgalli (L.) Beauv., has a certain biological control effect on weeds such as common crabgrass, Setaria viridis and the like, has higher potential for development of a commercial bio-herbicide, and has the very significant economic and social benefits.

The invention belongs to the field of agricultural herbicides, and concretely relates to an isoxazoline-containing tetrahydrophthalimide compound and a use thereof. The isoxazoline-containing tetrahydrophthalimide compound is represented by general formula (I), has very good weeding activity, can effectively control Zinnia elegans, piemarker, setaria viridis, barnyard grass and other weeds, realizes a very good weeding effect under a low dosage, is highly safe to crops, such as corn, wheat and rice, and can be used as a herbicide in the agricultural field.

The invention belongs to the field of herbicides and in particular relates to an herbicide and application thereof. A weeding preparation comprises at least one carrier and at least one aid, the preparation has herbicide dosage forms of a water emulsion, a dispersible oil suspending agent, a dispersible oil agent, a micro emulsion, cream, a soluble liquid agent, an aqueous agent, a suspending agent, a suspension emulsion, an ultra-low capacity agent, powder, wettable powder, granules, dry water dispersible granules, a dry suspending agent, a microcapsule suspending agent, emulsion powder, effervescent granules, an effervescent tablet agent and a water dispersible tablet with the compound of the formula I as an active component. By adopting varieties of the preparation provided by the invention, weeds such as barnyard grass, green bristlegrass, sedges, water sedge, digitaria, hispid arthraxon, abutilon, zinnia elegans, amaranthus retroflexus, purslane, xanthium sibiricum, cassia tora, wild watermelon seedlings and wild soybean seedlings can be effectively controlled, a very good weeding effect can be achieved with a low dosage, and the preparation has good security for crops such ascorn, wheat and rice and can be used as a herbicide in agriculture.

The invention discloses a preparation method of a biomass-based activated carbon material with a porous channel and a hierarchical pore structure. Green bristlegrass is used as a raw material, and isrepeatedly washed with acetone and deionized water to obtain a clean precursor material, the above green bristlegrass precursor material is pre-carbonized in a protective atmosphere for a period of time to obtain a biomass carbonized sample, the sample is mixed with KOH particles, thoroughly mixed with the deionized water and dried, a mixture is placed in a tubular carbonization furnace, the mixture is heated at a high temperature in an inert atmosphere, naturally cooled to room temperature and washed successively with the deionized water and dilute hydrochloric acid, finally filtering is conducted, washing is continuously conducted with the deionized water until a filtrate is neutral, and drying is conducted to obtain the activated carbon sample. The method adopts the biomass waste greenbristlegrass as the raw material, achieves high added value of biomass, obtains the activated carbon material with a novel structure, and exhibits excellent electrochemical performance in applicationof supercapacitor electrode materials.

The invention relates to the technical field of agriculture plantation, and concretely relates to a herbicide used for stevia rebaudiana plantation and a preparation method thereof. The herbicide comprises the following components: Setaria viridis, aconitum sinomontanum nakai, euphorbia, artemisia argyi, bidens pilosa, euphorbia helioscopia, golden larch bark, angled bittersweet, tripterygium wilfordii, radix sophorae flavescentis and rheum officinale; the preparation method comprises the following steps: respectively weighing the components, crushing the components, uniformly mixing the components; adding the components in a soxhlet extractor, adding ethanol, performing ultrasonic-assisted extraction, taking the mixing components to obtain an extract; placing the mixing components in a flask, adding water, performing ultrasonic-assisted heat backflow, filtering the material while hot, repetitively operating for 2 times; merging the obtained extract, a filtrate and a washing lotion, and concentrating the materials to obtain the target product herbicide. The herbicide used for stevia rebaudiana plantation can effectively remove the weeds, and can inhibit germination of weed seeds, and the preparation method is simple, operation is convenient, and the method is suitable for popularization and application.

The invention discloses a herbicidal composition containing rimsulfuron-methyl and oxafluzone, which contains active components rimsulfuron-methyl and oxaflumezone in a mass ratio of 1:50-60:1. The control effect of the herbicidal composition of the present invention is higher than that of the components rimsulfuron-methyl and oxaflumezone when applied alone, has obvious synergistic effect, greatly reduces the dosage of active ingredients, and is safe for crops. At the same time, the herbicidal spectrum has been expanded, and it has a good control effect on grass weeds and broad-leaved weeds such as crabgrass, goosegrass, foxtail, and lily in corn fields.

The invention discloses a herbicide composition containing atrazine and terbuthylazine and a preparation method thereof. The composition takes atrazine and terbuthylazine as active ingredients. The herbicide composition disclosed by the invention can effectively prevent and kill grass such as alopecurus aequalis, hairy finger and green bristlegrass in corn fields, and the preventing effect of the composition is much higher than that of atrazine or terbuthylazine alone; in addition, the use of the composition not only can improve medicine effects, but also can reduce medicine dosage, save economic cost, greatly reduce dosage of each active matter, reduce residual of medicine in the environment, delay the generation of resistance in grass and prolong the service life of the medicine; and thus, the herbicide composition has a great ecological and environment-protection significance.

The invention relates to the technical field of pesticides, specifically to a herbicide composition containing 4-(2-chloro-(methylsulfonyl)-3-((2,2,2-trifluoroethoxyl)methyl)benzoyl)-1-ethyl-1H-pyrazole-5-yl-1,3-dimethyl-1H-pyrazole-4-formate and saflufenacil, and an application thereof. The composition comprises an effective component A namely 4-(2-chloro-(methylsulfonyl)-3-((2,2,2-trifluoroethoxyl)methyl)benzoyl)-1-ethyl-1H-pyrazole-5-yl-1,3-dimethyl-1H-pyrazole-4-formate, an effective component B namely saflufenacil and a safener compound C, wherein the safener compound C is one or more selected from the group consisting of isoxadifen-ethyl, cyprosulfamide, mefenpyr-diethyl and furilazole; and the mass percentage content of A, B and C in the herbicide composition accounts for 1% to 95%, preferably 10% to 80% of the total content of the herbicide composition. The herbicide composition can effectively prevent and control common weeds in a corn field, improves prevention and control effects on noxious broadleaf weeds, and specifically has significant prevention and control effects on Gramineae weeds like crabgrass, eleusine indica and setaria viridis and broadleaf weeds like amaranthus retroflexus and conyza canadensis which can generate resistance to ALS inhibitor herbicides. The herbicide composition provided by the invention can expand weed control spectrum, reduce usage amount and retard generation and development of drug tolerance and drug resistance to weeds, and has important economic value and social significance.

The invention discloses an eating-promoting weight-gaining peacock feed and a production method thereof. The eating-promoting weight-gaining peacock feed comprises the raw materials in parts by weight: 200-230 parts of extruded corn flour, 160-180 parts of extruded soybean flour, 12-15 parts of an onion powder, 7-9 parts of sugar beet pulp, 5-7 parts of a bittern soup, 2-3 parts of seville orange flower, 2-3 parts of nutmeg, 1-2 parts of fingered citron, 1-2 parts of endothelium corneum gigeriae galli, 2-3 parts of dried hawthorn, 17-19 parts of kentucky blue grass, 14-16 parts of festuca ovina l., 10-12 parts of setaria viridis, 7-8 parts of campylotropis harmsii, 2-3 parts of fish oil, 14-17 parts of garlic peel, 4-6 parts of a pork powder, 3-4 parts of a beef liver powder, 3-4 parts of table vinegar, and 3-4 parts of a bactericide. The feed has refined, fine, fragrant and crisp characteristics; the prepared feed is rich in nutrients and crisp in mouthfeel, a peacock is strong in appetite, good in digestion performance, rapid in growth and development, large in body size, tidy in feathers, bright-colored and beautiful in feather colors, graceful in posture, robust in physique, strong in viability, and not easy to get sick.

The invention provides streptomyces murinus and application thereof. The streptomyces murinus is named streptomyces murinus FXQ-5B, is preserved in the China Center for Type Culture Collection on October 16, 2014, and has a preservation number of CCTCC M2014487. The streptomyces murinus FXQ-5B can be used for effectively inhibiting growth and spore germination of camellia oleifera leaf blight pathogen, has the advantages of remarkable prevention effect, no pollution and good environment safety, and has an excellent effect for inhibiting other bacteria, such as fusarium oxysporum, lasiodiplodia theobromae, diaporthe phaseolorum, bipolaris setariae, pestalotiopsis menezesiana and the like. The streptomyces murinus has broad-spectrum anti-disease, and has an important and profound significance for prevention and treatment of camellia oleifera and other diseases.

The invention relates to a cyhalofop-butyl oil suspending agent which consists of the following raw materials in percentage by weight: 15 to 25 percent of cyhalofop-butyl, 7 to 9 percent of a surfactant, 2 to 4 percent of diethyl malonate, 1 to 3 percent of fumed silica, 0.1 to 0.3 percent of simethicone, 0.2 to 0.4 percent of sodium benzoate and the balance of corn oil. The cyhalofop-butyl oil suspending agent disclosed by the invention is high in suspension rate and stable in performance. The cyhalofop-butyl oil suspending agent is mainly used for preventing and removing important grassy weeds, has high efficiency for moleplant seeds, has a certain control effect on low-age barnyard grass and can also be used for preventing and removing digitaria sanguinalis, paspalum distichum, setaria viridis, eleusine indica, alopecurus aequalis and the like.

The invention discloses application of triazol pyridine derivative shown in formula (I) in preparing a monocotyledon-resistant pesticide. The triazol pyridine derivative has inhibiting effect on barnyard grass, green foxtail and crabgrass, and the inhibition rate on the barnyard grass, the green foxtail and the crabgrass is over 80%. A novel variety is provided for screening of monocotyledon-resistant pesticides; R in the formula (I) is C1-C4 alkyl or substituted phenyl, trifluoromethyl, pyridyl and hydrogen; and substituent on the substituted phenyl is alkyl, methoxyl and chlorine atoms.

The invention discloses a fertilizer special for Hami melons and a preparation method thereof. The fertilizer comprises the following raw materials by weight part: 40-42 of a nitrogen-phosphorus-potassium compound fertilizer, 20-25 of urea, 10-14 of deep-fried dough cake, 20-25 of vermiculite powder, 4-6 of shell powder, 3-5 of potassium sulfate, 13-15 of kaolin powder, 8-10 of cucumber stem, 4-6 of Rosa roxburghii root, 2-4 of sweet wormwood root, 1-3 of broom cypress fruit, 2-4 of Setaria viridis, 1-2 of Desmodium gardneri Beneh., 1-2 of acorus gramineus, 4-6 of ammonium humate, 1-3 of magnesium sulfate, 2-4 of calcium chloride, 0.5-1.0 of potassium sodium tartrate, 1.2-1.5 of zinc sulfate and 1.0-2.0 of manganese carbonate. The fertilizer provided by the invention can meet the nutrition demands of Hami melons at each growth phase. By treating the deep-fried dough cake, potassium sulfate, cucumber stem and Rosa roxburghii root, the nutritional ingredients are slowly absorbed by Hami melons for a long time. The melons obtained by the fertilizer have thick and strong root systems, leaves are large and green, female flower differentiation can be promoted, the flower and fruit retention efficacy can be achieved, the taste is good and the juice is abundant, the sugar content is high, the weight of a single melon is increased, and good economic benefits can be achieved.

The invention belongs to the field of agricultural herbicides, and particularly relates to a phenylisoxazoline compound and application thereof. The phenylisoxazoline compound is shown in a general formula (I) shown in the specification, and the compound with the general formula (I) has good herbicidal activity, can effectively control weeds such as barnyard grass, green bristlegrass, cyperus difformis, cyperus rotundus, digitaria sanguinalis, hispid arthraxon, piemarker, zinnia elegans, amaranthus retroflexus, portulaca oleracea, xanthium sibiricum, solanum nigrum, cassia occidentalis, hibiscus trionum, wild soybean and the like, can obtain a good herbicidal effect at a low dosage, has a certain safety to crops such as corn, wheat, rice and the like, and can be used as a herbicide in agriculture.

The invention discloses a bipolaris yamadae (Y.Nisik.) shoemaker and a screening and identification method and application thereof. The bipolaris yamadae (Y.Nisik.) shoemaker (HXDC-1-2) has been deposited in the China General Microbiological Culture Collection Center with the accession number CGMCC No.17778. The bipolaris yamadae (Y.Nisik.) shoemaker is applied to biological weeding when the conidia concentration is 102 conidia/ml or more, can be safely applied to crop fields of rice, corn, soybeans, peanuts, sesame, millet, broad beans, peas, rape, vegetables, flowers, traditional Chinese medicinal materials and fruit trees, and is used for controlling gramineous weeds, such as barnyard grass, semen euphorbiae, herba digitariae, herba setariae viridis, eleusine indica, leptochloa panicea,wild oat, Aleppo grass and microstegium vimineum, annular nutgrass flatsedge and part of broad-leaf weeds; and the control effect can reach 80% or more. The bipolaris yamadae (Y.Nisik.) shoemaker, serving as a biological herbicide, has the advantages of being good in weeding effect, low in usage amount, high in safety to crops, low in cost, environment-friendly, free of a residue and free of pollution.

The invention discloses an enzyme prepared from raw materials in parts by weight as follows: 0.5 parts of herba menthae, 0.4 parts of purslane herb, 0.4 parts of plantain herb, 0.4 parts of herba taraxaci, 0.5 parts of fructus xanthii, 0.4 parts of Indian kalimeris herb, 0.4 parts of setaria viridis herb, 2 parts of glucose and 15 parts of water. The preparation technology of the enzyme comprises the steps as follows: (1) preparation of the raw materials according to raw material parts; (2) cleaning and draining of the materials: 0.5 parts of herba menthae, 0.4 parts of purslane herb, 0.4 parts of plantain herb, 0.4 parts of herba taraxaci, 0.5 parts of fructus xanthii, 0.4 parts of Indian kalimeris herb and 0.4 parts of setaria viridis herb which are prepared in step (1) are cleaned and drained; (3) fermentation: the raw materials cleaned in step (2) are chopped and placed in a fermentation barrel, 2 parts of glucose and 15 parts of water are added, and sealed fermentation is performed at 25 DEG C for half a year. Compared with the prior art, the enzyme has the advantages as follows: multiple wild plants and organic fruits and vegetables are used as raw materials, and the enzyme has the effects of clearing heat, removing toxins, removing eczema, inducing diereses and resisting viruses. The enzyme can be used as multiple edible enzymes and also good fertilizer required in agriculture.

The invention relates to application of a natural monotepene compound sabinene in preparing a herbicide. As is shown through research tests, when the compound is applied with the low concentration of5 micrometers/milliliter, monocotyledons setaria viridis can be killed, and the compound has an obvious inhibition effect on dicotyledons amaranthus retroflexus and alfalfa. The compound contains plant volatile oil components and has fragrance, herbicidal activity and a certain pest repelling effect; the compound is prepared to different concentrations, and separately used or mixed with other pesticides for use before the seedling stage or in the seedling stage, can be naturally degraded, does not pollute the environment, can be used as a herbicide, and has huge potential commercial value.

The invention belongs to the technical field of aquaculture, relates to an immunopotentiator for preventing and treating tilapia branchiomycosis, and further relates to a preparation method of the immunopotentiator for preventing and treating the tilapia branchiomycosis. The immunopotentiator for preventing and treating the tilapia branchiomycosis is prepared from, by mass, 32-40 parts of honeysuckle flowers, 25-31 parts of acorus calami, 25-31 parts of agastache rugosus, 24-31 parts of setaria viridis, 22-30 parts of Chinese milk vetch, 21-27 parts of herba portulacae, 20-27 parts of sun euphorbia herb, 20-27 parts of herb of chingma abutilon, 18-26 parts of fructus tribuli, 18-26 parts of herba violae, 19-25 parts of Chinese gall, 17-25 parts of radix alangii, 12-20 parts of nutgrass galingale rhizome, 11-19 parts of mandrake and the like. The immunopotentiator can improve the immunity of tilapia, and the tilapia branchiomycosis can be effectively prevented and treated.