KR20030065644A - Agricultural composition for prevention on annual and perennial grasses - Google Patents

Abstract

PURPOSE: A herbicide composition containing phenoxy propionic acid-N-2-fluorophenylamide isomer compounds or isomer mixtures as an effective ingredient is provided, which has long-term storage stability and controls annual and perennial glass weeds when applied to broadleaf crops and fruit crops as well as gramineous crops such as rice, wheat, barley or the like. CONSTITUTION: The herbicide composition contains phenoxy propionic acid derivatives of formula 1. In formula, R is methyl or ethyl; X is H, halogen, cyano, C1-5 alkyl, C1-5 alkoxy, C2-4 alkoxyalkoxy, phenyl, benzyloxy, C2-6 alkenyl, C2-6 alkynyl, C2-6 alkenyloxy, C2-6 alkynyloxy or phenyl; Y is H or fluorine; n is an antigen of 1 or 2 in which X can be combined with other derivatives in the case when n is 2. The composition contains one or more subsidiary materials for pesticidal formulation selected from water, solvents, carriers, surfactants, dispersants, aids and bulking agents.

Description

Agrocultural composition for prevention on annual and perennial grasses

The present invention relates to a pesticide composition effective for controlling annual and perennial flowers and weeds, and more specifically, using a phenoxypropionic acid-N-alkyl-N-2-fluorophenylamide isomer compound or an isomer mixture represented by the following general formula (1): The present invention relates to a pesticide composition effective to effectively control the annual and perennial flowers and weeds during the cultivation of flowers and crops and broadleaf crops and fruit crops by formulating in various formulations for easy handling.

[Formula 1]

In Chemical Formula 1, R represents a methyl group or an ethyl group; X is a hydrogen atom, a halogen atom, a cyano group, a C _{1 to} C ₅ alkyl group, a C _{1 to} C ₅ alkoxy group, a C ₁ to C ₃ haloalkyl group substituted with _{1 to 3} halogen atoms, 1 to 3 halogens atoms of the alkynyl group substituted with C ₁ ~C ₃ haloalkoxy group, C ₂ ~C ₄ alkoxycarbonyl group, a phenoxy group, a benzyloxy group, C ₂ ~C ₆ alkenyl, C ₂ ~C ₆ of the, C ₂ of ~C ₆ alkenyloxy group, alkynyloxy group represents a phenyl group or a C ₂ ~C _6; Y represents a hydrogen atom or fluorine; n represents an integer of 1 or 2, and when n is 2, X may be a combination of different substituents.

US Patent No. 4,130,413 discloses a compound represented by the following formula (2).

In Formula 2, (R ₁ ) m is a hydrogen atom, a halogen atom, CF ₃ , NO ₂ , CN, an alkyl group and the like; A is O, S, NH and the like; R ₂ is a hydrogen atom or an alkyl group; Z is among many (Wherein R ₃ and R ₄ are the same as or different from each other and are hydrogen atoms, C ₁ -C ₆ alkyl groups, C ₁ -C ₆ hydroxyalkyl groups, C ₃ -C ₆ cycloalkyl groups, C ₁ -C ₄ alkoxy groups or phenyl groups C ₁ -C ₄ alkyl group, C ₁ -C ₆ alkoxy group, substituted with 1 to 3 substituents selected from halogen and CF ₃ ).

Japanese Patent Laid-Open No. 2-11580 discloses a compound represented by the following formula (3).

In the formula (3): L represents a lower alkyl group, halogen atom, methoxy, methoxyphenoxy group, benzyloxy group, methylthio group, methylvinyl group; n represents the integer of 0-2.

In addition to the above-described patents, U.S. Patent Nos. 4,531,969, 5,254,527, Japanese Patent Laid-Open Nos. 53-40767 and 54-112828 describe that phenoxypropionic acid amide derivatives have herbicidal activity.

In addition, the present applicant, through the Republic of Korea Patent No. 314,776 and Patent Application Publication No. 2001-105445, a novel phenoxypropionic acid-N-alkyl-N-2-fluorophenylamide isomer compound or isomer mixture And a patent for a method of controlling herbicide composition for non-blood control including the aforementioned novel compound, and a method for controlling blood generated in the paddy field using the novel compound described above.

The present invention is a use invention for the compound represented by the formula (1), pesticides having a wide range of excellent control against the annual and perennial flowers and weeds that cause the growth of crops when crops and crops, broad-leaf crops, fruit trees It is intended to provide a composition.

Currently, various herbicides have been developed and used, but developing a herbicide that is safe for crops, has good control effects on weeds and prevents weed regeneration, is a shortcut for achieving viability of agriculture and achieving eco-friendly agriculture.

In particular, the cultivation of medicines that control a wide range of annual and perennial flowers and weeds is the greatest desire for farmers in the cultivation of flowering plants, crops, broadleaf crops and fruit crops. Accordingly, there has been a need for the development of new pesticide compositions that can effectively control weeds that interfere with crop growth.

An object of the present invention is to provide a pesticide composition that can effectively control the annual and perennial flowers and weeds in the cultivation of plants and crops, as well as plants and crops such as rice, wheat, barley.

Still another object of the present invention is to provide a method for effectively controlling annual weeds and perennial flowers and weeds using the composition containing the compound of Formula 1.

The present invention is characterized in that a pesticide composition represented by the following formula (1) contains an N-alkyl-N-2-fluorophenyl amide isomeric compound or an isomer mixture as an active ingredient and is effective for controlling annual and perennial flowers and weeds. .

[Formula 1]

In Chemical Formula 1, R represents a methyl group or an ethyl group; X is a hydrogen atom, a halogen atom, a cyano group, a C _{1 to} C ₅ alkyl group, a C _{1 to} C ₅ alkoxy group, a C ₁ to C ₃ haloalkyl group substituted with _{1 to 3} halogen atoms, 1 to 3 halogens atoms of the alkynyl group substituted with C ₁ ~C ₃ haloalkoxy group, C ₂ ~C ₄ alkoxycarbonyl group, a phenoxy group, a benzyloxy group, C ₂ ~C ₆ alkenyl, C ₂ ~C ₆ of the, C ₂ of ~C ₆ alkenyloxy group, alkynyloxy group represents a phenyl group or a C ₂ ~C _6; Y represents a hydrogen atom or fluorine; n represents an integer of 1 or 2, and when n is 2, X may be a combination of different substituents.

Referring to the present invention in more detail as follows.

The compound represented by the formula (1) contained in the pesticide composition of the present invention as an active ingredient is a known compound patented by the applicant, may be an isomer compound or a mixture of isomers.

In order for the compound represented by the formula (1) to express excellent drug efficacy in packaging, the pesticide composition of the present invention, water, solvents, carriers, surfactants, which are commonly used in the formulation of 0.01 to 99.99% by weight of the active compound and pesticide 0.01-99.99 weight% of components for pesticide preparations, such as a dispersing agent, an adjuvant, and an extender, are mix | blended. In addition, the pesticide composition of the present invention is liquid (SL), emulsion (EC), emulsion (EW), suspending agent (ME), suspending agent (SE), powder (DP), hydrating agent (WP), water soluble agent (SP) , Liquid hydrating agent (SC), granular hydrating agent (WG), water soluble granules (SG), granules (GR), sleep-injured granules (UG), sleep-developing agent (SO), jumbo agent, etc. have. Formulation methods using the pesticide composition of the present invention is only a conventional method.

On the other hand, for example, weeds that can be controlled by the pesticide composition according to the present invention are as follows: Goat grass (Jointed goatgrass, Aegilops cylindrica ), Agropyron ciliare var. Minus , Sour wheat (Quackgrass, Agropyron repens ), couch grass (Wheatgrass, Agropyron smithii), common couch grass (Agropyron yesoense), San vent (Agrostis clavata), vent (Agrostis clavata var. nukabo), Alopecurus aequalis (Water foxtail, Alopecurus aequalis var. amurensis), hair Alopecurus aequalis (Alopecurus japonica ), Blacktail, Alopecurus myosuroides , Blackjack ( Alopecurus pratensis ), Sage ( Andropogon brevifolius ), Shellfish (Jointhead arthraxon, Arthraxon hispidus ), Bird ( Arundinella hirtha ), Wild oat, Avena fatua (Blackmann's grass, Beckmannia syzigachne) , I'm new oil (Bothriochloa parviflora), aberdevine pool (Little quakinggrass, Briza minor), oats sparrow (Japanese brome, Bromus japonicus), a new tail (Bromus remotiflorus), large ears sparrow (Cheat, Bromus secalinus), beard bipsae oats (Poverty brome, Bromus sterilis), hair bipsae oats (Downy brome, Bromus tectorum), one of barley (Rescuegrass, Bromus unioloides), Room saepul (Calamagrostis arundinacea), I indica (Feather fingergrass , Chloris virgata ), sea hawk ( Cymbopogon tortilis var. georingii ), Duck (Ochardgrass, Dactylis glomerata ), Large crabgrass, Digitaria sanguinalis , Digitaria timorensis , Viot crabgrass, Digitaria violascens , Dianthus ornithopoad ( Browngrass ) , Diplachne fusca), blood (Barnyardgrass, Echinochloa crus-galli) , mulpi (Echinochloa crus-galli var. caudata ), gangpi (Echinochloa crus-galli var. oryzicola ), dolpi (Echinochloa crus-galli var. praticola ), Eleusine indica (Goosegrass, Elusine indica), sparrow geuryeong (Stinkgrass, Eragrostis cilianensis), neungsu sparrow geuryeong (Weeping lovergrass, Eragrostis ferruginea), geuryeong (Lovergrass, Eragrostis ferruginea), yellowfin geuryeong (Eragrostis japonica), binori (Eragrostis, Eragrostis multicaulis), Eragrostis pilosa , Little lovergrass, Eragrostis poaeoides , Wooly cupgrass, Eriochloa villosa , Tall fescue, Festuca arundinacea , Seaweed fescue, Festuca ovivi na ), Glyceria acutiflora , Ginsula herb ( Hemarthria sibirica ), Scented grass (Sweetgrass, Hierochloe odorata ), Perennial herb (Panic grass, Hymenachyne indica BUSE forma indica ), Hysachyne indica BUSE forma oryzetorum (Blady grass, Imperata cylindrica var. koenigii ), Swamp millet ( Isachne globosa ), Japanese cutgrass ( Leersia japonica ), Rye cutgrass ( Leersiaoryzoides ), Drake (Chinese sprangletop, Leptochloa chinensis ), Italian ryegrass, Lolium multiflorum LAM.f. ramosum ), Ryegrass (Perennial ryegrass, Lolium perenne ), Annual catstail, Lophochloa cristata , Flexible sesagrass ( Microstegium vimineum ), Miscanthus (Chinese fairygrass) miscanthus siensis), jwikkori new (Japanese muhly, Muhlenbergia japonica), wrinkle jogaepul (Spicate armgrass, Oplismenus undulatifolius), two millet (Panicum, Panicum bisulcatum), American dog badge (Fall panicum, Panicum dichotomiflorum), horns Isaac pools (Parapholis incurva ), Large Sparrow Skin (Dallisgrass, Paspalum dilatatum ), Woolly Sparrow Skin ( Paspalum dilatatum var. Indutum ), Water Sparrow (Knotgrass, Paspalum distichum ), Sparrow Skin (Japanese paspalum, Paspalum thunbergi ), pennisetum, Pennisetum alopecuroides ), Canarygrass (Canarygrass, Phaseolus nipponesis ), Reed (Common reed, Phragmites communis ), Poa acroleuca , Annual bluegrass ( Poa annua ), Kentuky bluegrass, Poa pratensis , Poa sphondylides , Beargrass ( Polypogon fugax ), Grassgrass ( Pseudoraphis ukishiba ), Blackbird ( Sacciolepis indica ), Fern (Hardgrass, Scleropoa rigida ), Fall gorilla (Giant foxtail, Setaria faberi ) ( Setaria gigantea ), Yellow foxtail, Setaria lutescens , Green foxtail, Setaria viridis , Setaria viridis var. purpurescens ), Syrian Hummingbird (Johnsongrass, Sorghum halepense ), Sorghum ( Sorghum nitidum var. majus ), Sporobolus japonicus , Red oatgrass, Themeda triandra var. japonica , Wildtail (Rattail fescue, Vulpia myuros ) , Joules (Manchurian wildrice, Zizania latifolia ), grasses (Japanese lawngrass, Zoysia japonica ), grass ( Zoysia macrostachya ), grass (Mascarenegrass, Zoysia tenuifolia ).

As described above, the present invention is a phenoxypropionic acid-N-alkyl-N-2-fluorophenylamide isomeric compound or isomer represented by Chemical Formula 1 disclosed in Korean Patent No. 314776 and Patent Application Publication No. 2001-105445. Use of the Mixture As an invention, the published patent describes the effect of controlling the hide as a herbicide composition, but the present invention seeks to claim a pesticide composition having a special control effect on annual and perennial flowers and weeds in addition to the skin.

Such a present invention will be described in more detail based on the following examples, but the present invention is not limited thereto.

Example 1

4 wt% of (R) -2- [4- (6-chloro-2-benzoxazolyloxy) -phenoxy] propionic acid-N- (2-fluorophenyl) -N-methyl amide and 10 wt% Calcium dodecylbenzene sulfonate and 25% by weight of sodium bis (2-ethylhexyl) sulfosuccinate were mixed and Kocosol 200 was mixed as a solvent to prepare an emulsion, followed by physical and biological tests.

Example 2

4% by weight of (R) -2- [4- (6-chloro-2-benzoxazolyloxy) -phenoxy] propionic acid-N-methyl-N- (2,4,6-trifluorophenyl) Amides were mixed with 10% by weight of calcium dodecylbenzene sulfonate and 25% by weight of sodium bis (2-ethylhexyl) sulfosuccinate and Kokosol 200 as the remaining solvent. The test was performed.

Example 3

4% by weight of (R) -2- [4- (6-chloro-2-benzoxazolyloxy) -phenoxy] propionic acid-N-methyl-N- (2,6-difluorophenyl) amide 10 wt% calcium dodecylbenzene sulfonate, 25 wt% sodium bis (2-ethylhexyl) sulfosuccinate were mixed, and Kokosol 200 was mixed as a solvent to prepare an emulsion, followed by physical and biological tests. Was performed.

Example 4

7% by weight of (R) -2- [4- (6-chloro-2-benzoxazolyloxy) -phenoxy] propionic acid-N- (2-fluorophenyl) -N-methyl amide and sodium diiso 10% by weight of butylnaphthalenesulfonate, 2% by weight of naphthalenesulfonate formaldehyde copolymer, 6% by weight of sodium dodecylsulfate, 10% by weight of potassium chloride, diallite as the balance to 100% by weight, and then 8 Weighing by weight of water was kneaded, molded through a granulator, dried in a fluidized bed dryer at intake 55 ℃ for 30 minutes to prepare a granular water-forming agent was used for biopsy and physicochemical analysis.

Example 5

7% by weight of (R) -2- [4- (6-chloro-2-benzoxazolyloxy) -phenoxy] propionic acid-N-methyl-N- (2,4,6-trifluorophenyl) 10% by weight of amide and sodium diisobutylnaphthalenesulfonate, 2% by weight of naphthalenesulfonate formaldehyde copolymer, 6% by weight of sodium dodecyl sulfate, 10% by weight of potassium chloride, and dialite as the balance to 100% by weight In addition, 8% by weight of water was added to the mixture, kneaded, molded through a granulator, dried for 30 minutes in a fluidized bed dryer at intake of 55 ° C., and then formulated with a granular water wetting agent, and used for bioassay and physicochemical analysis.

Example 6

7% by weight of (R) -2- [4- (6-chloro-2-benzoxazolyloxy) -phenoxy] propionic acid-N-methyl-N- (2,6-difluorophenyl) amide 10% by weight of sodium diisobutylnaphthalenesulfonate, 2% by weight of naphthalenesulfonate formaldehyde copolymer, 6% by weight of sodium dodecyl sulfate, 10% by weight of potassium chloride, and dialite as the remaining amount to 100% by weight. 8% by weight of water was added to the mixture, kneaded, molded through a granulator, dried for 30 minutes in a fluidized bed dryer at intake of 55 ° C., and then formulated with a granular water wetting agent, and used for biotest and physicochemical analysis.

Comparative Example 1

Fenoxaprop 7% EC, currently on the market, was purchased and subjected to biocombination testing.

Comparative Example 2

Cyhalofop-butyl 5% EC, which is currently on the market, was purchased and subjected to biocombination tests.

[Efficacy test on the frozen sea]

Each sample prepared in the above Examples and Comparative Examples was investigated for the control value for the four-blade varnish, the results are shown in Table 1 below.

division Throughput (a.i./10a) Effect after treatment (%) 10 days 20 days 30 days Example 1 100 g 76.4 88.1 89.5 200 g 89.3 99.9 99.8 Example 2 100 g 73.5 85.2 86.1 200 g 86.2 98.7 98.9 Example 3 100 g 70.7 88.6 88.3 200 g 88.3 99.5 99.7 Example 4 100 g 71.7 87.6 85.3 200 g 84.3 99.0 99.1 Example 5 100 g 70.7 81.6 82.5 200 g 74.3 97.1 98.3 Example 6 100 g 67.7 78.6 81.3 200 g 81.3 98.4 98.5 Comparative Example 1 35 g 70.7 85.6 86.4 70 g 80.1 98.8 98.9 Comparative Example 2 125 g 41.7 78.1 77.9 250 g 75.0 86.7 86.1

According to the test results, the pesticide composition of the present invention prepared in accordance with each embodiment showed excellent efficacy against the cold, and compared to the drug of the comparative example showed a superior or superior control value, weeds are less regeneration rate It also showed excellent effects in sustainability.

[Efficacy test on devil]

Each sample prepared in Examples and Comparative Examples was investigated for the control value for the devil, and the results are shown in Table 2 below.

division Throughput (a.i./10a) Effect after treatment (%) 10 days 20 days 30 days Example 1 100 g 58.4 68.2 73.3 200 g 85.3 93.7 96.2 Example 2 100 g 53.5 56.2 61.8 200 g 80.1 85.6 87.9 Example 3 100 g 55.2 70.3 77.6 200 g 85.8 88.5 89.2 Example 4 100 g 45.7 65.4 78.1 200 g 79.7 84.3 92.9 Example 5 100 g 45.7 62.9 67.3 200 g 77.1 81.3 86.6 Example 6 100 g 54.8 64.2 74.5 200 g 77.8 84.6 83.3 Comparative Example 1 35 g 55.7 70.8 75.1 70 g 75.1 83.8 86.5 Comparative Example 2 125 g 44.5 48.1 52.6 250 g 70.3 72.1 70.3

Based on the above test results, the pesticide composition of the present invention prepared according to each example showed excellent efficacy against narcissus, showed a comparable or superior control value compared to the drug of the comparative example, and the rate at which weeds were regenerated. It also showed an excellent effect even in the sustained efficacy.

[Efficacy test on the sage grass]

Each sample prepared in Examples and Comparative Examples was investigated for the control value for the weed grass, the results are shown in Table 3 below.

division Throughput (a.i./10a) Effect after treatment (%) 10 days 20 days 30 days Example 1 100 g 86.2 87.1 88.1 200 g 98.3 99.9 99.3 Example 2 100 g 83.5 8.2 80.6 200 g 98.2 98.3 98.8 Example 3 100 g 80.6 83.5 84.7 200 g 91.7 92.4 93.9 Example 4 100 g 84.7 83.6 84.3 200 g 94.3 99.0 99.1 Example 5 100 g 82.7 86.3 86.6 200 g 93.3 96.1 96.3 Example 6 100 g 77.1 77.9 80.5 200 g 92.6 93.8 96.1 Comparative Example 1 35 g 83.7 85.5 86.7 70 g 92.1 96.5 96.4 Comparative Example 2 125 g 71.7 73.2 72.7 250 g 85.0 88.6 87.2

According to the test results, the pesticide composition of the present invention prepared according to the embodiment showed an excellent drug against the tuft grass, showed a comparable or superior control value compared to the drug of the comparative example, and the rate of weed regeneration is small, the drug sustainability Also showed excellent effect.

[Test about rice damage]

Thirty days after the treatment of each sample prepared in the above example, the weakness of the rice varieties was examined for each foliar phase of the rice, and the results are shown in Table 4 below.

division Throughput (a.i./10a) Weak moon Chucheap Rice Samgang Rice IR36 1-2 leaves 3 ~ 4 leaves 1-2 leaves 3 ~ 4 leaves 1-2 leaves 3 ~ 4 leaves Example 1 200 g 0 0 0 0 0 0 400 g 0.5 0 0.5 0 0 0 Example 2 200 g 0 0 0 0 0 0 400 g 0.5 0 0.5 0 One One Example 3 200 g 0 0 0 0 0.5 0 400 g 0 0 One 0.5 2 One Example 4 200 g 0 0 0 0 0 0 400 g 0 0 0 0 0 0 Example 5 200 g 0 0 0 0 0 0 400 g 0 0 0.5 0 0.5 0 Example 6 200 g 0 0 0 0 0 0 400 g 0 0 0.5 0 One 0.5

According to the test results, the pesticide composition of the present invention prepared according to each embodiment does not show the degree of weakness that can cause the growth of rice even in the standard amount and quantitative treatment at the time of investigation of the weakening of each of the foliar season is safe for rice It has shown the effect of providing a composition.

[Weakness test on flower and crop]

Each sample prepared in Example was examined for damage on day 20 after treatment with barley, crude and wheat, and the results are shown in Table 5 below.

division Throughput (a.i./10a) Weak moon barley article wheat Example 1 200 g 0 0 0 400 g One 0.5 One Example 2 200 g 0 0 0 400 g One 0 0.5 Example 3 200 g 0 0 0 400 g One One One Example 4 200 g 0 0 0 400 g 0 0 0.5 Example 5 200 g 0 0 0 400 g 0.5 0 0.5 Example 6 200 g 0 0 0 400 g 0.5 0.5 0.5

According to the test results, the pesticide composition of the present invention prepared according to each embodiment does not show the degree of damage that can cause growth in the barley, crude, wheat, even in the treatment of the standard amount and quantitative treatment to the flowers and crops The effect has been to provide a safe composition for.

Therefore, the pesticide composition according to the present invention has the effect of providing a safe herbicide composition for plants and crops, such as corn, sorghum, rye, in addition to the crop of the experimental example.

[Weakness test on broadleaf crops]

Twenty days after the treatment of each sample prepared in the above example, the harmful effects on tobacco, cucumber, cabbage, tomato, pepper, and beans were examined, and the results are shown in Table 6 below.

division Throughput (a.i./10a) Weak moon tobacco cucumber cabbage tomato pepper bean Example 1 200 g 0 0 0 0 0 0 400 g 0 0 0 0 0 0 Example 2 200 g 0 0 0 0 0 0 400 g 0 0 0 0 0 0 Example 3 200 g 0 0 0 0 0 0 400 g 0 0 0 0 0 0 Example 4 200 g 0 0 0 0 0 0 400 g 0 0 0 0 0 0 Example 5 200 g 0 0 0 0 0 0 400 g 0 0 0 0 0 0 Example 6 200 g 0 0 0 0 0 0 400 g 0 0 0 0 0 0

According to the test results, the pesticide composition of the present invention prepared according to the embodiment does not show any damage to crops even in the standard amount and quantitative treatment during the investigation of the weak leaf crops safe for tobacco, cucumber, pepper, tomato, cabbage, beans It has shown the effect of providing a composition.

Therefore, the pesticide composition according to the present invention has the effect of providing a safe herbicide composition against broad-leaf crops such as carrots, sesame seeds, peppers, radishes, cotton in addition to the crop of the experimental example.

[Storage Stability Test]

The storage stability test results for each sample prepared in the above Example are shown in Table 7 below.

division Storage temperature (℃) Original content (%) Immediately after preparation 2 weeks 4 Weeks 8 Weeks 16 Weeks 32 Weeks Example 1 15 4.00 4.00 4.00 4.00 4.00 4.00 50 4.00 4.00 4.00 4.00 4.00 4.00 Example 2 15 4.00 4.00 4.00 4.00 4.00 4.00 50 4.00 4.00 4.00 4.00 4.00 4.00 Example 3 15 4.00 4.00 4.00 4.00 4.00 4.00 50 4.00 4.00 4.00 4.00 4.00 4.00 Example 4 15 6.00 6.00 6.00 6.00 6.00 6.00 50 6.00 6.00 6.00 6.00 6.00 6.00 Example 5 15 6.00 6.00 6.00 6.00 6.00 6.00 50 6.00 6.00 6.00 6.00 6.00 6.00 Example 6 15 6.00 6.00 6.00 6.00 6.00 6.00 50 6.00 6.00 6.00 6.00 6.00 6.00

According to the test results, the pesticide composition according to the present invention had an effect of providing a stable composition even when stored for a long time in the 50 ℃ abuse hardening test results, only 32% of the original agent is decomposed even when stored for 32 weeks.

As described above, the pesticide composition according to the present invention had the effect of providing a composition having low weed regeneration rate against weeds, leeks, and buckwheat, as well as excellent weeding ability, and long-term storage. It was possible to provide a composition without problems of stability.

In addition, it was possible to provide a safe composition for crops in the detrimental tests of rice cultivars and the detrimental tests on plants, crops and broadleaf crops.

As described above, the agrochemical composition of the present invention comprising the phenoxypropionic acid-N-alkyl-N-2-fluorophenylamide isomer compound represented by the formula (1) or an isomer mixture as an active ingredient is compared with conventional herbicides. It has a wide range of control effects, from blood to annual weeds to perennial flowers and weeds.

In addition, the pesticide composition of the present invention shows stable storage stability without degradation of the active ingredient even during long-term storage after formulation.

In addition, unlike the conventional herbicides, if the pesticide composition of the present invention is prepared in a conventional pesticide formulation and treated in paddy fields or fields, it is effective to grow not only plants and crops such as rice, wheat and barley, but also broad-leaf crops and fruit trees. And effects of controlling perennial flowers and weeds.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the technical scope of the present invention, and such modifications and modifications are within the scope of the appended claims.

Claims (4)

A pesticide composition comprising a phenoxypropionic acid-N-alkyl-N-2-fluorophenylamide isomer compound represented by the following formula (1) or an isomer mixture as an active ingredient, which is effective for effectively controlling annual and perennial flowers and weeds. [Formula 1] In Chemical Formula 1, R represents a methyl group or an ethyl group; X is a hydrogen atom, a halogen atom, a cyano group, a C _{1 to} C ₅ alkyl group, a C _{1 to} C ₅ alkoxy group, a C ₁ to C ₃ haloalkyl group substituted with _{1 to 3} halogen atoms, 1 to 3 halogens atoms of the alkynyl group substituted with C ₁ ~C ₃ haloalkoxy group, C ₂ ~C ₄ alkoxycarbonyl group, a phenoxy group, a benzyloxy group, C ₂ ~C ₆ alkenyl, C ₂ ~C ₆ of the, C ₂ of ~C ₆ alkenyloxy group, alkynyloxy group represents a phenyl group or a C ₂ ~C _6; Y represents a hydrogen atom or fluorine; n represents an integer of 1 or 2, and when n is 2, X may be a combination of different substituents. The composition of claim 1, wherein the composition is liquid (SL), emulsion (EC), emulsion (EW), suspension (ME), suspension (SE), powder (DP), hydrating agent (WP), water soluble (SP). ), A liquid hydrating agent (SC), granular hydrating agent (WG), water-soluble granules (SG), granules (GR), sleep-injured granules (UG) or a sleep development agent (SO). The pesticide composition according to claim 1, wherein the composition contains at least one pesticide preparation member selected from water, solvents, carriers, surfactants, dispersants, adjuvants and extenders. Following the application of a pesticide composition containing a phenoxypropionic acid-N-alkyl-N-2-fluorophenylamide isomeric compound or an isomer mixture represented by the following formula (1), paddy fields, fields or orchards for the cultivation of flowers and crops, broadleaf crops and fruit trees How to control annual and perennial flowers and weeds arising from. [Formula 1] In Formula 1, R represents a methyl group or an ethyl group; X is a hydrogen atom, a halogen atom, a cyano group, a C _{1 to} C ₆ alkyl group, a C _{1 to} C ₆ alkoxy group, a C ₁ to C ₃ haloalkyl group substituted with _{1 to 3} halogen atoms, 1 to 3 halogens atoms of the alkynyl group substituted with C ₁ ~C ₃ haloalkoxy group, C ₂ ~C ₄ alkoxycarbonyl group, a phenoxy group, a benzyloxy group, C ₂ ~C ₆ alkenyl, C ₂ ~C ₆ of the, C ₂ of ~C ₆ alkenyloxy group, alkynyloxy group represents a phenyl group or a C ₂ ~C _6; Y represents a hydrogen atom or fluorine; n represents an integer of 1 or 2, and when n is 2, X may be a combination of different substituents.