53 results about "Lactofen" patented technology

The invention provides a preparation for orange bud picking and tip control. The preparation consists of the following components in part by weight: 1 to 20 parts of lactofen, 20 to 40 parts of solvent 1 xylene, 10 to 20 parts of solvent 2 propyl alcohol and / or benzene, and 30 to 60 parts of synergist one or any combination of more of triton X-100, lignosulfonate, agricultural organic silicon surfactant, calcium dodecylbenzene sulfonate, alkylphenol ethoxylate and octachlorodipropyl ether. The invention also provides a preparation method and a using method of the preparation. The preparation has good effect of killing orange buds and delicate tips; the death rate of the buds is 100 percent, the death rate of the delicate tips and half-mature new tips is over 95 percent, and the yield of the orange fruits is increased by 18.2 to 52.3 percent; moreover, the preparation does not have any side effect on other tissues or organs such as the orange fruits, mature branches and leaves, and thelike, and is convenient to use, and the work efficiency is improved by more than 15 times.

The invention discloses a herbicide. The herbicide is composed of the following components in parts by weight: 10 to 20 parts of butralin, 5 to 10 parts of trichloroacetic acid, 5 to 12 parts of sodium chlorate, 5 to 8 parts of propisochlor, 10 to 15 parts of acetochlor, 5 to 15 parts of lactofen, 4 to 9 parts of fomesafen, 3 to 8 parts of quizalofop-p-ethyl, 1 to 5 parts of bispyribac-sodium, 5 to 10 parts of auxiliary agent, and 100 to 200 parts of water. The herbicide has the advantages of high safety, low application cost, long lasting effect, and wide weeding area, and is capable of achieving the goals of weeding and yield increasing by using the lowest dosage and the lowest cost.

The invention discloses diphenylether pesticide compositions and use thereof. The diphenylether pesticide compositions comprise at least one of nitrofen, oxyfluorfen, fomesafen and acifluorfen or lactofen as an active component, and are used for controlling and killing shoots of citrus crops, wherein the content of the active component in percentage by weight is 0.1% to 90%. The diphenylether pesticides can be used for controlling and killing the shoots of the citrus crops grown for competing for nutrients with fruit when the fruit is produced in summer; therefore, the production cost is greatly reduced, and the fruit yield is improved; moreover, the diphenylether pesticide compositions have the advantages of being safe, efficient and economic, and controlling and killing the shoots of the citrus crops in summer.

The invention discloses a pesticide composition containing lactofen and brassinolide. The pesticide composition containing the lactofen and the brassinolide comprises the following components in percentage by weight: 0.1 to 50 percent of lactofen, 5 to 0.001 percent of brassinolide and the balance of auxiliary component of pesticide preparation. The pesticide composition containing the lactofen and the brassinolide has good effect of controlling and killing buds and shoots of fruit trees such as oranges and tangerines, has no side effect on other tissues such as fruit and ripe branches and leaves, can greatly reduce the production cost and increases the yield of the fruits.

The present invention relates to liquid agricultural formulations comprising from about 15 to about 40% w / w dicamba diglycol amine, from about 1 to about 15% w / w lactofen, from about 5 to about 40% w / w of a solvent selected from the group consisting of: (1) a solvent comprising dimethyl glutarate, dimethyl succinate, and dimethyl adipate; and (2) a solvent comprising a mixture of aromatic hydrocarbons obtained from distillation of aromatic streams derived from crude oil, from about 0.5 to about 5% w / w of a thickener with the chemical formula (Mg,Al)5Si8O20×4H2O, and from about 2 to about 15% w / w of a polyarylphenyl ether sulphate, ammonium salt surfactant, and methods of use thereof.

The invention discloses a long-acting compound herbicide and a preparation method thereof. The long-acting compound herbicide is prepared from, by weight, 40-50 parts of solvent, 8-18 parts of acetochlor, 4-9 parts of lactofen, 8-15 parts of 2,4-D butyl ester, 8-15 parts of cyclohexanedione, 5-10 parts of trichloroacetic acid, 3-10 parts of methylated soybean oil, 9-16 parts of nitrophenol, 10-18parts of bensulfuron methyl, 5-10 parts of clodinafop-propargyl, 4-6 parts of antifoaming agent, 10-20 parts of butralin, 3-5 parts of surfactant and 1-6 parts of thickening agent. According to the long-acting compound herbicide, different weeding mechanisms are used for killing weed, therefore, the resistance generation speed of the weed is reduced, and the weeding activity of the long-acting compound herbicide is greatly improved; the long-acting compound herbicide is used through compounding, the weeding spectrum is enlarged, the number of herbicide application times and the herbicide application time are reduced during application, and the long-acting compound herbicide is simple in usage method, quickly becomes effective and has significant effects.

The invention provides a method for promoting the normal fruit bearing of a lemon tree with citrus limon yellow vein clearing viruses. The method includes the following steps that: (a) after the shoots of the lemon tree germinate in each spring, and a pesticide is sprayed once onto the whole tree when the 40-60% of the leaves of the shoots initially unfold, the spring shoots and flower buds of thewhole tree are sprayed with the pesticide during days without rain, so that the spring shoots and flower buds can be withered due to dry, wherein the pesticide comprises 500-1000mg / kg of sodium naphthalene-1-acetate, 25-100mg / kg of fluoroglycofen-ethyl, 40-120mg / kg of lactofen, and 0.004%-0.006% of d-limonene, and the pH of the solution is adjusted to 4 to 5; (b) when the length of 40 to 60% of the germinated summer shoots of the lemon tree is larger than or equal to 10 cm, 40-60g of urea is sparsely sprayed near the canopy drip line of the lemon tree, the urea is prepared into a 0.5% solution so as to be poured onto the lemon tree in days without rain; (c) 15 to 20 days after the urea is applied, 300 to 500g of a nitrogen-phosphorus-potassium mixed fertilizer is sprayed near the canopy drip line of the lemon tree, and the nitrogen-phosphorus-potassium mixed fertilizer is prepared into a 1% solution so as to be applied onto the lemon tree in days without rain. With the method of the invention adopted, the time of the sprouting of shoots and the germination of flower buds can be controlled, the growth of the lemon tree can be delayed, so that the summer shoots of the lemon tree cansend forth, and the flowering and fruiting of the lemon tree can be also correspondingly delayed, and therefore, the harm of the citrus limon yellow vein clearing viruses can be effectively reduced,and high yield and quality can be ensured. The method is of great practical significance and application value for lemon production areas stricken with the citrus limon yellow vein clearing viruses.

The invention relates to a weed-killing composition and a weed-killing method for an onion field. The weed-killing composition is missible oil and comprises the following components in percentage by weight: 30 to 45 percent of haloxytop-R-mithyl, 15 to 22 percent of lactofen, 7 to 9 percent of emulsifier, 2 to 4 percent of penetrant and the balance of dimethylbenzene. The weed-killing composition has good weed-killing effect, can kill weeds of the grass family and effectively kill broadleaf weeds, increases weed-killing broad spectrum, has low toxicity and residue, is convenient to operate, saves labor and money, reduces pollution to environment and reduces the burdens of farmers.

The invention provides a synergetic weed control composition containing diclosulam and metribuzin, which is characterized in comprising an active ingredient A and an active ingredient B, wherein the active ingredient A is diclosulam and metribuzin, and the active ingredient B is one or the combination of at least one of clomazone, sulfentrazone, imazethapyr, fluoroglycofen, bentazone, pendimethalin, trifluralin, acetochlor, oxadiazon, lactofen, metazachlor, imazapic and oxyfluorfen. The synergetic weed control composition also comprises an auxiliary agent which can be used in pesticide preparation processing, and the synergetic weed control composition is prepared into a conventional pesticide preparation and is applied to the prevention and control of unnecessary plants.

The invention relates to a herbicide composition and in particular relates to a pre-emergence herbicide mixture applied to a peanut field. The composition is prepared from the following raw materials in parts by weight: 30-45 parts of lactofen, 30-45 parts of acifluorfen, 14-23 parts of pendimethalin, 14-22 parts of metolachlor and 8-10 parts of s-metolachlor. The herbicide composition is used for weeding by different manners; different tissue parts of weeds are used as absorption paths; the herbicide composition respectively takes effect on different target enzymes of the weeds by synthetic action of touching and killing, internally adsorbing and transmitting; the weeds can be removed at one time; the succession of weed communities and the herbicide resistance enhancement can be effectively avoided; the pollution to the environment and the threat on the crops and foods can be alleviated.

The invention relates to a composite herbicide for a peanut field, which belongs to the field of pesticides and comprises the following components in percentage by weight: 1 to 40 percent of lactofen, 1 to 40 percent of clethodim, 2 to 18 percent of emulsifier, and 2 to 96 percent of solvent. The composite herbicide is applied to stem leaves of weeds at the leaf development stage with 2 to 4 leaves in the peanut field through spraying, and can effectively prevent and eliminate grassy weeds and broad leaved weeds; and compared with the single usage of the lactofen and the clethodim, the composite herbicide can enlarge a herbicide controlling spectrum, improve the peanut yield, and reduce the chemical using cost.

The invention discloses a mixture herbicide containing imazapic and lactofen. In the mixture herbicide, imazapic and lactofen are regarded as main effective ingredients, wherein the mass ratio of imazapic to lactofen is 0.1-80:0.1-80. The mixture herbicide is applicable to weeding of peanut field seedlings and has the advantages of broad spectrum, quick acting, high efficiency, low toxicity, safety and environmental protection.

The invention relates to a herbicide composition, and in particular relates to a herbicide compound preparation for a peanut field. The composition is prepared from the following raw materials in parts by weight: 25-35 parts of sethoxydim, 20-30 parts of clethodim, 18-23 parts of quizalofop-P-tefuryl, 14-20 parts of lactofen and 20-32 parts of acifluorfen. According to the herbicide composition, different acting ways are used for weeding, different tissue parts of weeds are taken as absorbing ways, and the herbicide composition respectively acts on different target enzymes of the weeds in a way of combining touch killing and intake transportation, so that the weeds can be removed once, the succession and the drug resistance enhancement of a weed community are effectively avoided, and the environmental pollution and the threat to crops and food safety can be reduced.

The invention discloses a sethoxydim compound herbicide. The sethoxydim compound herbicide is prepared from an active ingredient I, namely, sethoxydim and an active ingredient II, wherein the active ingredient II is one of or a combination of more of fomesafen, oxyfluorfen, aclonifen, bifenox, fluoroglycofen and lactofen; the mass ratio of the active ingredient I to the active ingredient II is (1:60)-(60:1), preferably, (1:30)-(30:1), more preferably, (1:10)-(10:1), and the sum of the mass of the active ingredient I, namely, sethoxydim and the active ingredient II is 5%-85% of the total mass of the sethoxydim compound herbicide. The sethoxydim compound herbicide can be used for controlling grassy weed and broadleaf weed in a soybean field, has a remarkable synergic effect, is high in herbicidal activity, can delay the resistance of weed and is very safe to soybeans and succeeding crops.

The invention relates to a weeding composition containing lactofen and chipton herbicide and application of the weeding composition.The weeding composition comprises active components including lactofen and chipton herbicide preferentially according to the weight ratio of 1:(1-50).The weeding composition has a remarkable synergistic effect, good fast-acting property and low toxin to human and livestock; in addition, lactofen and chipton herbicide have different acting mechanisms, the drug resistance of weeds can be delayed, and the weeding composition is an ideal herbicide.

The invention discloses an active polypeptide of protoporphyrinogen oxidase and application, the active polypeptide not only has the activity of the protoporphyrinogen oxidase, but also has better tolerance to PPO inhibitor herbicides by transferring a nucleotide sequence for coding the active polypeptide. The herbicide tolerance is wide. The active polypeptide disclosed by the invention shows relatively high tolerance to PPO inhibitor herbicides, so that the active polypeptide has a wide application prospect in plants. The herbicide tolerance is high. The active polypeptide disclosed by the invention has strong tolerance to a PPO inhibitor herbicide, and shows high tolerance to saflufenacil, sulfentrazone, flumioxazin and lactofen which are 4 times of field concentration. The weed control method provided by the invention can effectively reduce the occurrence of resistant weeds, has broad-spectrum herbicide resistance, effectively reduces the cost, improves the control efficiency, and also can greatly avoid the occurrence of weed resistance.

The invention discloses a weeding composition, wherein the active ingredients include quizalofop-p-ethyl and lactofen in a weight ratio of (10-1):(1-5), and the two account for 1-80% of the total weight of the weeding composition; and the weeding composition can be compounded with an acceptable auxiliary in a pesticide preparation to obtain any dosage form. In the weeding composition disclosed by the invention, the joint effect of quizalofop-p-ethyl and lactofen shows an obvious synergistic or addition effect; after 15-30 days of application, the average plant control effect and fresh weight control effect both exceed 85%, which are both remarkably higher than the control effect of single use of two control agents; and the drug efficacy is improved, the duration is long, the weeding spectrum is expanded, the dosage is reduced, the development of weeding drug resistance is delayed, thus the drug cost is lowered, the adverse impact on the ecological environment is also reduced, and the weeding composition is safe to soybeans and succeeding crops.

The present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in soybeans, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, cycloxydim, fenoxaprop, fenoxaprop-ethyl, fenoxaprop-P, fenoxaprop-P-ethyl, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, propaquizafop, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, sethoxydim, chlorimuron, chlorimuron-ethyl, nicosulfuron, oxasulfuron, thifensulfuron, thifensulfuron-methyl, tritosulfuron, imazamox, imazamox ammonium, imazapic, imazapic ammonium, imazapyr, imazapyr isopropylammonium, imazaquin, imazethapyr, imazethapyr ammonium, cloransulam, cloransulam-methyl, diclosulam, flumetsulam, atrazine, metribuzin, linuron, monolinuron, bentazone, bentazone-sodium, acifluorfen, acifluorfen-sodium, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, fomesafen, lactofen, oxyfluorfen, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, norflurazon, picolinafen, bicyclopyrone, clomazone, isoxaflutole, mesotrione, pyrasulfotole, tembotrione, topramezone, fenquinotrione, glyphosate, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin; acetochlor, alachlor, butachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pethoxamid, pyroxasulfone, 2,4-D and its salts and esters, clopyralid and its salts and esters, dicamba and its salts and esters, quinclorac, quinclorac dimethylammonium, quinmerac, diflufenzopyr, diflufenzopyr-sodium, tepraloxydim, cinmethylin and other compounds.

The invention discloses a field weeding agent for planting of sweet potato in early growth stage. The field weeding agent is prepared from the following raw materials in parts by weight: 1 to 4 partsof 2-chloro-4-diethylamino-6-isopropylamine-1,3-5-triazine, 3 to 8 parts of sodium hexametaphosphate, 2 to 7 parts of anhydrous copper sulfate, 4 to 9 parts of cyclohexanedione compound, 2 to 6 partsof nitrophenol, 1 to 3 parts of p-phenylenediamine, 2 to 4 parts of quinclorac, 1 to 5 parts of triasulfuron, 2 to 7 parts of pendimethalin, 6 to 10 parts of soybean extracting solution, 4 to 9 partsof lactofen, and 3 to 7 parts of wetting agent. The field weeding agent has the characteristics that the degree of pollution to soil is little, any injury to crop self is almost avoided, the weeding effect is obvious, the effect is quickly taken, and the injury to a human body is avoided; compared with the traditional single preparation, the preventing effect is improved; the weeding interval andtillage interval are reduced, the labor intensity is decreased, the performance to price ratio is higher, and the like.

The invention discloses a preparation method of lactofen. The preparation method of lactofen comprises the following steps: carrying out esterification reaction on acifluorfen and 2-ethyl chloropropionate in an organic solvent in the presence of acid-binding agents, thereby obtaining the lactofen after complete reaction and aftertreatment, wherein the acid-binding agents are at least one of potassium hydroxide, sodium hydroxide, sodium tripolyphosphate, borax anhydrous, CaO, sodium metasilicate, sodium orthosilicate and sodium acetate. According to the invention, special acid-binding agents are selected for replacing potassium carbonate and triethylamine, so that carbon dioxide gas is prevented from generating; the reaction system is more stable; meanwhile, the emission of pollutants is reduced; the environment is protected.

The application discloses a kind of herbicide composition and its application, the composition includes active ingredient A and active ingredient B, wherein active ingredient A is formula (I) compound, active ingredient B is selected from one or more of lactofen, pyraclonil.The mass ratio of active ingredient A and active ingredient B of the composition is 1:40-50:1.The application also relates to the use of the herbicide composition in controlling the germination or growth of weeds in useful plants, particularly suitable for controlling the germination or growth of weeds in soybean field, peanut field.

The invention provides a method for promoting the normal fruit bearing of a lemon tree with citrus limon yellow vein clearing viruses. The method includes the following steps that: (a) after the shoots of the lemon tree germinate in each spring, and a pesticide is sprayed once onto the whole tree when the 40-60% of the leaves of the shoots initially unfold, the spring shoots and flower buds of thewhole tree are sprayed with the pesticide during days without rain, so that the spring shoots and flower buds can be withered due to dry, wherein the pesticide comprises 500-1000mg / kg of sodium naphthalene-1-acetate, 25-100mg / kg of fluoroglycofen-ethyl, 40-120mg / kg of lactofen, and 0.004%-0.006% of d-limonene, and the pH of the solution is adjusted to 4 to 5; (b) when the length of 40 to 60% of the germinated summer shoots of the lemon tree is larger than or equal to 10 cm, 40-60g of urea is sparsely sprayed near the canopy drip line of the lemon tree, the urea is prepared into a 0.5% solution so as to be poured onto the lemon tree in days without rain; (c) 15 to 20 days after the urea is applied, 300 to 500g of a nitrogen-phosphorus-potassium mixed fertilizer is sprayed near the canopy drip line of the lemon tree, and the nitrogen-phosphorus-potassium mixed fertilizer is prepared into a 1% solution so as to be applied onto the lemon tree in days without rain. With the method of the invention adopted, the time of the sprouting of shoots and the germination of flower buds can be controlled, the growth of the lemon tree can be delayed, so that the summer shoots of the lemon tree cansend forth, and the flowering and fruiting of the lemon tree can be also correspondingly delayed, and therefore, the harm of the citrus limon yellow vein clearing viruses can be effectively reduced,and high yield and quality can be ensured. The method is of great practical significance and application value for lemon production areas stricken with the citrus limon yellow vein clearing viruses.

The present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in soybeans, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, cycloxydim, fenoxaprop, fenoxaprop-ethyl, fenoxaprop-P, fenoxaprop-P-ethyl, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, propaquizafop, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, sethoxydim, chlorimuron, chlorimuron-ethyl, nicosulfuron, oxasulfuron, thifensulfuron, thifensulfuron-methyl, tritosulfuron, imazamox, imazamox ammonium, imazapie, imazapie ammonium, imazapyr, imazapyr isopropylammonium, imazaquin, imazethapyr, imazethapyr ammonium, cloransulam, cloransulam-methyl, diclosulam, flumetsulam, atrazine, metribuzin, linuron, monolinuron, bentazone, bentazone-sodium, acifluorfen, acifluorfen-sodium, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, fomesafen, lactofen, oxyfluorfen, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, norflu-razon, picolinafen, bicyclopyrone, clomazone, isoxaflutole, mesotrione, pyrasulfotole, tembotri-one, topramezone, fenquinotrione, glyphosate, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin; acetochlor, alachlor, bu-tachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pethoxamid, pyroxasulfone, 2,4-D and its salts and esters, clopyralid and its salts and esters, dicamba and its salts and esters, quinelorac, quinclorac dimethylammonium, quinmerac, diflufenzopyr, diflufenzopyr-sodium, tepraloxydim, cinmethylin and other compounds.

The invention belonging to the technical field of polygonum viviparum planting, particularly discloses a herbicide composition for polygonum viviparum, and further discloses a herbicide preparation prepared from the herbicide composition. The effective components of the herbicide composition provided by the invention comprise lactofen, imazethapyr and quizalofop-p-ethyl. By compounding the three effective components, namely the lactofen, the imazethapyr and the quizalofop-p-ethyl, the prepared herbicide preparation can be used for safely and efficiently preventing and killing broad-leaved weeds and gramineous weeds in a polygonum viviparum planting field. The herbicide composition provided by the invention has the advantages of high efficiency, safety and a wide herbicide controlling spectrum, and obviously exceeds the use effect of a single component selected from the three effective components. The herbicide composition is safe to growing polygonum viviparum plants, low in cost and good in weed prevention effect.

The invention discloses a preparation method of lactofen. The preparation method of lactofen comprises the following steps: carrying out esterification reaction on acifluorfen and 2-ethyl chloropropionate in an organic solvent in the presence of acid-binding agents, thereby obtaining the lactofen after complete reaction and aftertreatment, wherein the acid-binding agents are at least one of potassium hydroxide, sodium hydroxide, sodium tripolyphosphate, borax anhydrous, CaO, sodium metasilicate, sodium orthosilicate and sodium acetate. According to the invention, special acid-binding agents are selected for replacing potassium carbonate and triethylamine, so that carbon dioxide gas is prevented from generating; the reaction system is more stable; meanwhile, the emission of pollutants is reduced; the environment is protected.

The invention discloses a synthesis method of a high-content lactofen active compound, and belongs to the technical field of pesticide production. According to the technical scheme, the method comprises the following steps: S1, salifying: dissolving an acifluorfen crude product in an organic solvent, adding a sodium hydroxide aqueous solution, heating to 100-120 DEG C, reacting for 3-4 hours to generate acifluorfen sodium salt, adding water for extraction at the extraction temperature of 80-90 DEG C, and collecting a water phase part; the mass ratio of the acifluorfen crude product to the organic solvent to the sodium hydroxide aqueous solution is 1: (1.5-3.3): (1.8-2.6); s2, acid precipitation: adding the water phase part into an acid precipitation kettle, adding hydrochloric acid to adjust the pH value to 1-2, keeping the temperature in the kettle at 45-55 DEG C, carrying out heat preservation reaction for 5-6 hours, adding an organic solvent, extracting, layering, taking the organic phase part, and dehydrating to obtain a purified acifluorfen organic phase; and S3, condensation. The method disclosed by the invention can be suitable for industrial production and can be used for obtaining high-yield lactofen at the same time.

The present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in soybeans, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, cycloxydim, fenoxaprop, fenoxaprop-ethyl, fenoxaprop-P, fenoxaprop-P-ethyl, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, propaquizafop, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, sethoxydim, chlorimuron, chlorimuron-ethyl, nicosulfuron, oxasulfuron, thifensulfuron, thifensulfuron-methyl, tritosulfuron, imazamox, imazamox ammonium, imazapic, imazapic ammonium, imazapyr, imazapyr isopropylammonium, imazaquin, imazethapyr, imazethapyr ammonium, cloransulam, cloransulam-methyl, diclosulam, flumetsulam, atrazine, metribuzin, linuron, monolinuron, bentazone, bentazone-sodium, acifluorfen, acifluorfen-sodium, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, fomesafen, lactofen, oxyfluorfen, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, norflurazon, picolinafen, bicyclopyrone, clomazone, isoxaflutole, mesotrione, pyrasulfotole, tembotrione, topramezone, fenquinotrione, glyphosate, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin; acetochlor, alachlor, butachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pethoxamid, pyroxasulfone, 2,4-D and its salts and esters, clopyralid and its salts and esters, dicamba and its salts and esters, quinclorac, quinclorac dimethylammonium, quinmerac, diflufenzopyr, diflufenzopyr-sodium, tepraloxydim, cinmethylin and other compounds.

The present invention relates to a method for controlling undesirable vegetation in an aquatic environment in which rice plants are growing, comprising applying a herbicidally effective amount of a herbicide A or a composition containing a herbicide A to the aquatic environment prior to or early post-emergence of the undesirable vegetation and after emergence of the rice seedlings, the herbicide A being selected from the group consisting of acetochlor, acifluorfen, alachlor, aminopyralid, bensulfuron, benzobicyclon, bicyclopyrone, bispyribac, butyrate, carfentrazone, chlorimuron, chlorsulfuron, cinmethylin, clethodim, clodinafop, clomazone, clopyralid, cycloate, , cyhalofop, 2,4-D, dicamba, diflufenzopyr, dimethenamid, dimethenamid-P, dithiopyr, EPTC, ethalfluralin, ethofumesate, fenoxaprop, fenoxaprop-P, florpyrauxifen, fluazifop, fluazifop-P, flufenacet, flumiclorac, flumioxazin, fluroxypyr, fluthiaset, fomesafen, haloxifen, halosulfuron, iodosulfuron, imazamox, imazapic , imazapyr, imazaquin, imazethapyr, isoxaflutole, lactofen, MCPA, mesosulfuron, mesotrione, metolachlor, S-metolachlor, metsulfuron, MSMA, nicoculfuron, orthosulfamuron, penoxsulam, pinoxaden, primisulfuron, propanil, propyzamide, pyrasulfotole, pyrithiobac, pyroxasulfone, pyroxulam, quinclorac, quizalofol The weed control agent is selected from the group consisting of quinolone, quizalofop-P, rimsulfuron, saflufenacil, sethoxydim, sulfentrazone, sulfosulfuron, tembotrione, tetflupyrolimet, thifensulfuron, thiobencarb, thiaphenacyl, tolpyralate, topramezone, triallate, triasulfuron, tribenuron, triclopyr, trifloxysulfuron, trifludimoxazine, trifluralin, triflusulfuron, and agriculturally acceptable salts or derivatives thereof. The method is particularly suitable for controlling weeds in flooded rice fields.