TWI571204B - Plant growth regulator and method for use thereof - Google Patents

Description

Plant growth regulator and method of use thereof

The present invention relates to a plant growth regulator comprising a heterocyclic compound represented by the following formula (I) as an active ingredient, and a method for using the same, which provide a harvest amount and a number of leaves in a cultivated plant (especially a banana), An agent excellent in plant growth regulating effect such as growth promotion (hypertrophy) of a new pseudo-stem portion (sub-strain).

A cultivated plant belonging to the genus Musa, especially a banana, is a general term for a group of edible fruits, and is referred to as a fruit. The plant is mainly cultivated in East Asia such as China and Taiwan, Southeast Asia such as the Philippines, Indonesia, Thailand, Vietnam, West Asia such as India, Brazil, Ecuador, Costa Rica, Mexico, Guatemala, Colombia, Peru and other Central and South America. In Africa, such as Tanzania, Congo, Uganda, and South Africa, plantations are also cultivated and cultivated throughout the year. Bananas cultivated and harvested in these countries are exported to all parts of the world.

In the case of banana cultivation, the root portion of the stem is underground, and the part of the stem that protrudes high above the ground is called a pseudo stem, which is actually formed by overlapping several layers of sheaths, from the pseudo stem. The long elliptical leaf (leaf body) grows at the front end, and further extends from the front end of the pseudo stem to the fruit shaft. At the front end of the fruit shaft, a whole room including the fruit finger and the fruit house is formed, and the banana grows in the whole room. After harvesting the banana, the pseudo stem portion (parent plant) was cut at 2 meters from the ground. At this time, the new pseudo-stems (sub-plants) newly grown from the roots of the underground are propagated in the same manner, or the operation of "dividing the new pseudo-stems (sub-strains) and cultivating them, and then harvesting the bananas" is repeated.

When cultivating a banana, how many leaves (functional leaves) remain is important. Since it takes 3 months from the extraction of the last leaf (before flowering) to the harvest, at least 12 to 13 functional leaves must remain during flowering. If the number of functional leaves is insufficient, the plants will be cut down during the cultivation.

In the cultivation of cultivated plants (crops), especially the cultivation of bananas, although the harvesting amount is the most important subject by the control of the pests, the prior art requires a lot of labor due to the multiple chemical treatments. Furthermore, the emergence of drug-tolerant bacteria or drug-resistant pests makes prevention more difficult.

On the other hand, the crops (plant growth regulators) such as the growth promotion effect of the crops are used to grow the crops in a healthy manner, and an attempt is made to increase the yield.

[Previous Technical Literature] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open No. Hei 11-199575

[Patent Document 2] International Publication No. 99/024413

[Patent Document 3] Japanese Patent Laid-Open Publication No. 2007-99749

[Patent Document 4] International Publication No. 2010/037482

[Patent Document 5] International Publication No. 2010/089055

[Non-patent literature]

[Patent Document ^{1] The Pesticide Manual 14 th Edition} (British Crop Production Council)

As described above, in the cultivation of crops such as bananas, although the plant growth regulator of the crop is used, it is attempted to grow the crops in a healthy manner, and the amount of harvest is increased, but there is no medicine that can exert a satisfactory effect. Therefore, there is a need for a novel and highly effective plant growth regulator for crop cultivation such as banana cultivation.

The inventors of the present invention have found that a specific bactericidal active compound having a heterocyclic structure has a plant growth regulating effect in order to solve the above problems, and it is surprisingly possible that the crop can be grown smoothly and the yield is increased. The present invention was completed by conducting research.

That is, the present invention is at least related to the following inventions:

(1) A plant growth regulator for cultivating plants, characterized by comprising a heterocyclic compound represented by the formula (I) as an active ingredient,

(wherein A is a nitrogen atom or C-hal (wherein hal is a halogen atom); B is a nitrogen atom; R ¹ is a halogen atom, a C ₁ -C ₆ alkyl group or a C ₃ -C ₆ cycloalkyl group; R ² is a hydroxyl group, a C ₁ -C ₆ alkoxy group, a benzyloxy group, and has at least one selected from the group consisting of a halogen atom, a cyano group, a C ₁ -C ₆ alkyl group, a C ₁ -C ₆ haloalkyl group, a benzyloxy group having the same or different substituents of a C ₁ -C ₆ alkoxy group or a C ₁ -C ₆ haloalkoxy group, an anilino group, or having at least one selected from the group consisting of a halogen atom, a cyano group, and a C _{1 group} An alkyl group of the same or different substituents of -C ₆ alkyl, C ₁ -C ₆ haloalkyl, C ₁ -C ₆ alkoxy or C ₁ -C ₆ haloalkoxy).

(2) The above plant growth regulator, wherein the cultivated plant is rice, wheat, corn, soybean, potato or banana.

(3) The above plant growth regulator, wherein the cultivated plant is a banana.

(4) The plant growth regulator according to any one of the preceding claims, wherein the heterocyclic compound represented by the formula (I) is tiadinil or isotianil.

(5) A method for using a plant growth regulator, characterized in that the cultivated plant is treated with an effective amount of a plant growth regulator comprising the compound represented by the following formula (I) as an active ingredient Ring compound

(wherein A is a nitrogen atom or C-hal (wherein hal is a halogen atom); B is a nitrogen atom; R ¹ is a halogen atom, a C ₁ -C ₆ alkyl group or a C ₃ -C ₆ cycloalkyl group; R ² is a hydroxyl group, a C ₁ -C ₆ alkoxy group, a benzyloxy group, and has at least one selected from the group consisting of a halogen atom, a cyano group, a C ₁ -C ₆ alkyl group, a C ₁ -C ₆ haloalkyl group, a benzyloxy group having the same or different substituents of a C ₁ -C ₆ alkoxy group or a C ₁ -C ₆ haloalkoxy group, an anilino group, or having at least one selected from the group consisting of a halogen atom, a cyano group, and a C _{1 group} An alkyl group of the same or different substituents of -C ₆ alkyl, C ₁ -C ₆ haloalkyl, C ₁ -C ₆ alkoxy or C ₁ -C ₆ haloalkoxy).

(6) The above method of using a plant growth regulator, wherein the cultivated plant is rice, wheat, corn, soybean, potato or banana.

(7) The above method of using a plant growth regulator, wherein the cultivated plant is a banana.

(8) A method of using any of the above-mentioned plant growth regulators, wherein the heterocyclic compound represented by the formula (I) is thiabicide or isotianil.

(9) Any of the above-described methods of using the plant growth regulator, wherein the treatment for the cultivated plant is a dispersion treatment, a coating treatment, an injection treatment or a soil infusion treatment. .

(10) A method for regulating growth of a cultivated plant, comprising: treating a cultivated plant with an effective amount of a plant growth regulator having a heterocyclic compound represented by the formula (I) as an active ingredient, (wherein A is a nitrogen atom or C-hal (wherein hal means a halogen atom); B is a nitrogen atom; R ¹ is a halogen atom, a C ₁ -C ₆ alkyl group or a C ₃ -C ₆ cycloalkyl group R ² is a hydroxyl group, a C ₁ -C ₆ alkoxy group, a benzyloxy group, and has at least one selected from the group consisting of a halogen atom, a cyano group, a C ₁ -C ₆ alkyl group, and a C ₁ -C ₆ haloalkyl group. a benzyloxy group having the same or different substituents of a C ₁ -C ₆ alkoxy group or a C ₁ -C ₆ haloalkoxy group, an anilino group, or having at least one selected from the group consisting of a halogen atom, a cyano group, and a C An anilino group having the same or different substituents of ₁ -C ₆ alkyl, C ₁ -C ₆ haloalkyl, C ₁ -C ₆ alkoxy or C ₁ -C ₆ haloalkoxy); One or more of the above: the number of leaves or functional leaves of the cultivated plant, the increase in the height of the crop, the enlargement of the new pseudo stem or stem, the promotion of hair roots, the increase in elongation and/or hair roots The early stage of the period is the activation of the roots and/or the growth of the plants, the improvement of the vigor of the plants, the reduction of the lower leaves, the salt tolerance of the plants, the drought tolerance and the low temperature tolerance, the promotion of the color of the fruits, the cereals and the fruits. Growth promotion of fruit, potato, etc., fruit or potato, etc. Increasing the sugar content, improve the quality of the crop and / or increase the harvest.

The heterocyclic compound represented by the formula (I) is a known compound, and it is known that tiadinil or isotianil (general name) contained in the formula (I) can be used as a control for rice blast (see, for example, Patent Documents 1, 2 and Non-Patent Document 1). Further, it is known that compounds other than the above two compounds can be used as various disease control agents (see, for example, Patent Documents 3 to 5). However, it is not known that these heterocyclic compounds can be used as plant growth regulators, and it is completely unknown that these compounds have the effects of increasing the amount of bananas and the number of leaves, and promoting the growth (hypertrophy) of new pseudo-stems (sub-strains). .

The plant growth regulator of the present invention and the method of using the same can promote the healthy growth of the cultivated plants, increase the yield, and reduce the treatment of the existing pest control agents to reduce the load on the environment. In particular, in the case of banana cultivation, it is possible to exert an excellent plant growth regulating effect such as the amount of harvest and the number of leaves (function leaf), and the growth promotion (hypertrophy) of the new pseudo stem (sub-plant).

In terms of crops, especially bananas, plant growth regulation effects such as the increase in the amount of harvest and the number of leaves, and the growth promotion (hypertrophy) of the new pseudo-stems (sub-plants) are remarkable.

[Formation of the Invention]

The heterocyclic compound represented by the formula (I) which is an active ingredient of the present invention is a known compound, and thiabicide and isotianil are easily available from the market, and other heterocyclic compounds may also be used in the above. It is produced by the method described in Patent Documents 1 to 3.

Among the active ingredients of the plant growth regulator of the present invention, that is, the heterocyclic compound represented by the formula (I), preferred examples are as follows:

‧A is a nitrogen atom or a compound of C-Cl;

‧ R ¹ is a halogen atom, a C ₁ -C ₃ alkyl group or a C ₃ -C ₆ cycloalkyl group;

‧ R ² is a hydroxy group, a C ₁ -C ₃ alkoxy group, a benzyloxy group having one or more identical or different substituents selected from a halogen atom in the ring, or one or more selected from a halogen atom in the ring, A compound of an anilino group having the same or different substituents of a cyano group, a C ₁ -C ₆ alkyl group or a C ₁ -C ₆ alkoxy group.

Further, among the active ingredients of the plant growth regulator of the present invention, that is, the heterocyclic compound represented by the formula (I), more preferably, the compounds are as follows: A is a nitrogen atom or C-Cl, and R ¹ is Cl, C ₁ -C ₃ alkyl or C ₃ -C ₆ cycloalkyl; and R ² is hydroxy, C ₁ -C ₃ alkoxy, or have the same or different substituents on the ring. One or more benzyloxy groups of Cl or an anilino group having a cyano group, a C ₁ -C ₃ alkyl group or a C ₁ -C ₃ alkoxy group which are the same or different one or more substituents.

Further, in the heterocyclic compound represented by the above formula (I), in the case where A is a nitrogen atom, it is preferred that R ¹ is a C ₁ -C ₃ alkyl group or a C ₃ -C ₆ cycloalkyl group. It is more preferable that R ¹ is CH ₃ or cC ₃ H ₇ .

Further, in the above-described heterocyclic compound of formula (I), in the, in the case where A is the C-hal, in R ¹ is a halogen atom, in particular Cl are preferred. In the case where A is C-hal, it is more preferable that A is C-Cl and R ¹ is Cl.

Among the heterocyclic compounds represented by the formula (I), the most suitable plant growth regulators of the present invention are thiabicide and isotianil. Among them, thiabicide is preferred because it has not only the function as a plant growth regulator disclosed in the present specification but also as a disease control agent. Thiamphenicamine is known to be used in seed treatment or seed treatment for various diseases such as rice yellowing atrophy, rice seedling blight, rice seedling disease, rice blast, rice sheath blight, rice flax spot, rice Ear browning, rice red rice, rice blast, rice blast bacterial disease, rice brown sheath disease, rice brown strip disease, rice seedling bacterial disease, rice bacterial blight, wheat snow rot (brown), Wheat snow rot (red), wheat snow rot (large sclerotia), snow rot (black granule), snow rot (brown granule), wheat scab, ergot disease, wheat blight, wheat strain Rot, sharp eyespot, wheat powdery mildew, wheat leaf blight, wheat red rust, wheat black rust, wheat yellow rust, wheat eye streak, wheat leaf blight, wheat yellow spot, wheat streak , wheat smut, wheat smut, wheat smut, potato powdery scab, potato scab, potato/tomato disease, potato summer blight, potato black spot, potato round rot, round rot (ringrot disease) and the like exhibit excellent control effects.

In addition, thiabicide is considered to be for cucumber spotted bacterial disease, rice brown bar disease, rice seedling bacterial disease, tea red burning disease, citrus canker disease, cabbage black rot disease, peach perforated bacterial disease, apple and pear, etc. Pear-like fruit fire injury, soft rot, bean wilting bacterial disease, root tumor disease, citrus stubborn disease, tomato ulcer disease, citrus greening disease, rice rot disease, rice leaf sheath browning disease, Solanaceae bacterial wilt, rice Bacterial diseases such as bacterial blight, grape/apple black rot, soft rot, and grape root tumor are also effective. Furthermore, thiabendamine is known for white plume disease, plum powdery mildew, peach/mei black spot disease, persimmon round deciduous disease, persimmon anthracnose, persimmon leaf blight, persimmon leaf spot disease, persimmon black spot disease , anthracnose, mango anthracnose, banana leaf spot, banana panama disease, root tumor disease, etc. are also effective.

Although a representative compound of the heterocyclic compound represented by the formula (I) is exemplified in the first table, the present invention is not limited thereto. In the table, "c-" represents a ring, "hal" represents a halogen atom, and "Ph" represents a phenyl group. Further, thiabicide is a compound No. 1, and isotianil is a compound No. 12.

In the present invention, the plant growth regulating effect or the plant growth regulating effect includes the number of leaves of the plant (crop), the height of the crop, the enlargement of the stem, the activation of the root and/or the activation of the growth (promoting rooting and elongation) The early stage of the addition or rooting period), the plant's vitality is reduced, the lower leaves are reduced, the plant's salt tolerance, drought tolerance and low temperature resistance are increased, the fruit color is promoted, and the grain, fruit, or potato is promoted. The growth of the class, the increase in the sugar content of the fruit or the potato, etc., further increase the quality of the crop and/or the amount of harvest. In addition, the banana plant growth regulating effect or the plant growth regulating effect is increased by the leaf number (function leaf) or the growth promotion (hypertrophy) of the new pseudo stem part (sub-plant).

When the plant growth regulator of the present invention is used, when it is a commercially available preparation such as thiastrobin or isotianil, the preparation can be used as it is. Further, the heterocyclic compound (active ingredient compound) represented by the formula (I) may be blended in a suitable ratio with a surfactant and, if necessary, together with a supplementary agent, in an appropriate inert carrier; Or, if necessary, together with the auxiliary agent, in a suitable ratio, dissolved, separated, suspended, mixed, impregnated, sorbed or adhered to a suitable inert carrier to prepare a suitable dosage form, such as a suspending agent (flowing agent), A milk suspension, an emulsion, a liquid, a hydrating agent, a granule hydrating agent, a granule, a powder, a tablet, a jumbo or a packer are used.

The inert carrier which can be used in the present invention may be either a solid or a liquid, and as a material of the solid inert carrier, for example, a vegetable powder (for example, soybean powder, cereal flour, wood flour, bark) Powder, sawdust powder, tobacco stem powder, walnut shell powder, bran, oryzanol powder, residue after plant extraction, etc.), synthetic polymers such as crushed synthetic resin, clays (such as kaolin, bentonite, acid clay, etc.), Talc (such as talc, pyrophyllite, etc.), vermiculite (such as diatomaceous earth, strontium sand, mica, white carbon) (also known as aqueous micronized mash, aqueous citric acid synthesis) Highly dispersed tannic acid; depending on the type of product, calcium citrate is the main component), activated carbon, natural minerals (such as sulfur powder, pumice, attapulgite and zeolite), Firing diatomaceous earth, brick pulverized material, coal ash, sand, plastic carrier (such as polyethylene, polypropylene, polyvinyl chloride, etc.), inorganic mineral powder such as calcium carbonate or calcium phosphate, ammonium sulfate, ammonium phosphate, nitric acid Chemical fertilizers such as ammonium, urea, ammonium chloride, etc. They may be used singly or in the form of a mixture of two or more.

The material of the liquid inert carrier which can be used in the present invention may be selected from those which have the solvent ability in itself, or may be selected from those which have no solvent ability but can be dispersed by the auxiliary agent; Typically, the carriers exemplified below may be exemplified, and these carriers may be used singly or in the form of a mixture of two or more kinds, such as water, alcohol (for example, methanol, ethanol, isopropyl). Alcohol, butanol, ethylene glycol, etc.), ketones (such as acetone, methyl ethyl ketone, methyl isobutyl ketone, diisopropyl ketone, cyclohexanone, etc.), ethers (such as ether, two Alkane, cellosolve, dipropyl ether, tetrahydrofuran, etc.), aliphatic hydrocarbons (such as kerosene, mineral oil, etc.), aromatic hydrocarbons (such as benzene, toluene, xylene, solvent naphtha, alkylnaphthalene, etc.) ), halogenated hydrocarbons (for example, dichloroethane, chloroform, carbon tetrachloride, etc.), esters (such as ethyl acetate, diisopropyl phthalate, dibutyl phthalate, dioctyl phthalate, etc.) And guanamines (for example, dimethylformamide, diethylformamide, dimethylacetamide, etc.), nitriles (such as acetonitrile, etc.), and dimethylammonium.

For the other auxiliary agents, the representative auxiliary agents exemplified below may be mentioned, and these auxiliary agents may be used according to the purpose, and they may be used alone or in combination in some cases, but in this case, In the invention, the auxiliary agent may not be used at all.

For the purpose of emulsifying, dispersing, solubilizing and/or wetting of the active ingredient compound, a surfactant such as polyoxyethylene ethyl ether, polyoxyethylene ethyl aryl ether, polyoxyethyl ether can be used. Higher fatty acid esters, polyoxyalkylene ethyl acrylate, polyoxyethylene ethyl sorbitan monolaurate, polyoxyethylene ethyl sorbitan monooleate, alkyl aryl sulfonate, naphthalene sulfonate A surfactant such as an acid condensate, a lignosulfonate or a higher alcohol sulfate.

As the other auxiliary agents, the representative auxiliary agents exemplified below may be mentioned, and these auxiliary agents may be used according to the purpose, and they may be used singly, and in some cases, two or more kinds of auxiliary agents may be used in combination. However, in the present invention, no auxiliary agent may be used at all.

For the purpose of emulsifying, dispersing, solubilizing and/or wetting of the active ingredient compound, a surfactant such as polyoxyethylene ethyl ether, polyoxyethylene ethyl aryl ether, polyoxyethyl ether can be used. Higher fatty acid esters, polyoxyalkylene ethyl acrylate, polyoxyethylene ethyl sorbitan monolaurate, polyoxyethylene ethyl sorbitan monooleate, alkyl aryl sulfonate, naphthalene sulfonate A surfactant such as an acid condensate, a lignosulfonate or a higher alcohol sulfate.

As the deflocculant of the suspension product, an auxiliary agent such as a naphthalenesulfonic acid condensate or a condensed phosphate can be used.

As the antifoaming agent, an auxiliary agent such as polyoxygenated oil can be used.

The blending ratio of the active ingredient compound in 100 parts by mass of the plant growth regulator of the present invention is not particularly limited as needed, but is usually suitably selected from the range of 0.1 to 50 parts by mass, and suitably A range of from 1 to 50 parts by mass is preferred.

The cultivated plant to which the plant growth regulator of the present invention can be used is not particularly limited, and examples thereof include cereals (for example, rice, barley, wheat, rye, oats, corn, sorghum, etc.), and beans (for example, soybeans). , adzuki beans, broad beans, peas, groundnuts, etc.), fruit trees, fruits (such as apples, citrus, pears, grapes, peaches, plums, cherries, walnuts, almonds, bananas, strawberries, etc.), vegetables (such as kale, tomatoes, spinach) , broccoli, lettuce, onions, green onions, green peppers, etc.), root vegetables (such as carrots, potatoes, sweet potatoes, radishes, lotus roots, turnips, etc.), processed for use (such as cotton, hemp, mulberry, gilt, colza) , beets, hops, sugar cane, beets, olives, rubber, coffee, tobacco, tea, etc.), melons (such as pumpkin, cucumber, watermelon, cantaloupe, etc.), pastures (such as wild grass, sorghum, timothy, clover, Alfalfa, etc., short grasses (such as Korean grass, regular green grass, etc.), spices, etc. are used as objects (such as lavender, rosemary, thyme, celery, pepper, ginger, etc.). In food production, rice, wheat, corn, soybeans or potatoes are very important. From the perspective of the economic value of a particular region, fruit trees and fruit are very important, in East Asia, Southeast Asia, West Asia, Central and South America, and Africa. Among them, bananas are also very important, and in the case of such cultivated plants, the use of the present invention is preferred.

Among these cultivated plants, the use of the Musa plant is preferred, and in the case of the Musa plant, for example, Gros Michel, Cavendish, and Dwarf Plantain ( Dwarf Cavendish, Chinese Dwarf Chinese, Enano, Caturra, Giant Cavendish, Gran Enano, Grande Naine, Williams Hybrid, Valery, Robus, Poyo, Lancatan (Lacatan), Monte cristo, Bout rond, etc., but not limited to this.

The best ones include all bananas, such as high-fragrance bananas, dwarf bananas, fragrant bananas, plantain bananas, red bananas, apple bananas, monkey bananas, and island bananas that have been cultivated for general consumption.

Further, the cultivated plant which can use the plant growth regulator of the present invention also contains a herbicide-tolerant gene, an insecticidal pest resistance gene, an anti-pathogenic substance-producing gene, an oil grain component modification or an amino acid content. The same plant of genetically modified (GMO) genetically transformed in terms of useful traits such as stubborn traits.

In the use of the plant growth regulator of the present invention, the method of use, or the method of regulating the growth of the cultivated plant, the preparation can be expressed by appropriately diluting or suspending the preparation as it is, or by water or the like. An effective amount of the growth regulating effect, which is performed by dispersing, coating or injecting the target plant, or infusing the surrounding soil of the target plant, can cause the desired plant growth regulating effect. In particular, in the case of bananas, it is possible to exhibit excellent plant growth regulating effects by spreading or coating the stems and leaves, sheaths, or injecting them with a syringe or the like, or by perfusing the surrounding soil.

In the usual plantation cultivation, the number of banana cultivars per hectare (ha) is about 1,500 to 2,000, and the amount of treatment with the active ingredient blending ratio, meteorological conditions, preparation form, treatment period, treatment method, There is no particular limitation on the treatment site and the like. When the suspending agent (flowing agent) is a commonly used dosage form, in the case of using the agent, in terms of dispersion treatment or perfusion treatment, it may be from 1 to 10 L per hectare (depending on the concentration and specific gravity of the drug solution, etc.) However, an effective amount of the component is preferably in the range of 300 g to 3000 g/ha, and an appropriate amount is dispersed or perfused in the surrounding soil of the target plant or the plant growth site. For the injection treatment, the chemical solution diluted to the set concentration may be 0.2 ml to 10 ml per plant (although depending on the concentration and specific gravity of the drug solution, the amount of the active ingredient is 40 mg). An appropriate amount selected within the range of ~800 mg is preferably injected into the pseudo stem portion. According to the injection treatment, the amount of the drug can be reduced, and unlike the case of the dispersion, the user is not exposed to the drug solution (in the case of dispersion, it is generally exposed to the drug solution), and the present invention can be used more safely. Plant growth regulator.

In the case of using the plant growth regulator of the present invention, or in the case of using the plant growth regulator to regulate the growth of the cultivated plant, in order to prevent the pests occurring in the same period, the agricultural and horticultural fungicide or the agricultural gardening may be used at the same time. Use insecticides. Representative compounds of such agricultural and horticultural fungicides or agricultural and horticultural insecticides are exemplified below, but the above-mentioned agricultural and horticultural fungicides or agricultural and horticultural insecticides are not limited thereto.

For agricultural and horticultural fungicides, for example, isoprothiolane, tricyclaZole, azoxystrobin, pyraclostrobin, propiconazole, organic copper (copper-8-quinolinolate), metominostrobin, carpropamid, fthalide, kasugamycin, hundred fast Pyroquilon, probenazole, acibenzolar-S-methyl, flutolanil, mepronil, furametpyr, Pencycuron, thifluzamide, validamycin, diclomezine, ferimzone, guazatine, myclobutanil, Hexaconazole, difenoconazole, bitertanol, epoxiconazole, triadimefon, prochloraz, fenpropimorph, three Tridemorph, metalaxyl, copper oxychloride, basic copper su Lfate), mancozeb, propineb, ziram, thiuram, cymoxanil, chlorothalonil, difenoconazole , captan, polyoxin, iprodione, procymidone, benomyl, thiophanate-methyl, multi-bacteria Carbendazim, fosetyl-aluminium, hymexazol, oxolinic acid, fludioxonil, mepanipyrim, cyprodinil ), a mixture of agricultural and horticultural fungicides such as pyrimethanil, tolclofos-methyl, and fenoxanil.

For agricultural and horticultural insecticides, for example, benfuracarb, carbosulfan, propoxur, furathiocarb, methomyl, carbaryl (NAC)(carbaryl), Benidocarb, alanycarb, imidacloprid, nitenpyram, acetamiprid, thiamethoxam, clothianidin, up to Dinotefuran, propaphos, disulfoton, diazinon, trichlorfon, fenthion, acephate, Isoxathion, isofenphos, chlorpyrifos-methyl, chlorfenvinphos, dimethoate, fonofos, alfalfa Pyridafenthion, monocrotophos, cartap, thiocyclam, bensultap, cycloprothrin, etofenprox, fluorpyrifos Ester (silafluofen), tefluthrin (tefluthrin), thiophene Buprofezin, flufenoxuron, cyromazine, lufenuron, tebufenozide, methoxyfenozide, chromafenozide, guanidine Oxalyl, pyraclofos, fosthiazate, fenpyroximate, fipronil, endosulfan, metaldehyde, fentanyl benzoin An acid salt (emamectine-benzoate), spinosad, chlorfenapyr, indoxacarb or the like is used in combination.

[Examples]

The representative prescription examples and test examples of the present invention are exemplified below, but the present invention is not limited thereto. In addition, in the prescription example or the test example, "part" means a mass part.

[Formulation Example 1]

10 parts of the compound of the formula (I)

Xylene 70 parts

N-methylpyrrolidone 10 parts

Mixture of polyoxyethylidene phenyl ether and calcium alkylbenzene sulfonate 10 parts

The above was uniformly mixed and dissolved to prepare an emulsion.

[Formulation Example 2]

a compound represented by the formula (I)

Clay powder 82 parts

Diatomaceous earth powder 15 parts

The above was uniformly mixed and pulverized to prepare a powder.

[Formulation Example 3]

a compound of the formula (I) 5 parts

Mixture of bentonite and clay 90 parts

Calcium lignosulfonate 5 parts

The above is uniformly mixed, and an appropriate amount of water is added for kneading, granulation, and drying to prepare a granule.

[Formulation Example 4]

20 parts of the compound of the formula (I)

Kaolin and synthetic high-dispersion tannic acid 75 parts

Mixture of polyoxyethylidene phenyl ether and calcium alkylbenzene sulfonate 5 parts

The above was uniformly mixed and pulverized to prepare a hydrating agent.

[Formulation Example 5]

Compound of the formula (I) 30 parts of Sorpol 3105 (manufactured by Toho Chemical Industry Co., Ltd.) 5 parts

Propylene glycol 5 parts

Rhodpol (manufactured by Rhone Poulenc) 2 parts

Water 58 parts

The above was uniformly mixed and dispersed in water to prepare a suspending agent (flowing agent).

Test Example 1. Number of functional leaves of bananas (injection treatment)

Using a 10 ml syringe, the preparation of the preparation of Formulation Example 5 (active ingredient: Compound No. 1) was diluted 5 times with water to obtain a solution of 10 ml per plant (600 mg in terms of the amount of the active ingredient). Inject the banana stem or the pseudo-stem of the parental plant from a height of about 1 meter above the ground. On the 11th day after the treatment, calculate the total number of functional leaves per leaf (the leaf that can function properly), and then calculate it in the same way every week for 7 weeks (4 repeating units in Zone 1) system)). Furthermore, the number of functional leaves of the pro-pseudo-stalk treatment area indicates the number of functional leaves of the pseudo-stem of the child from the same root.

The results are shown in the second table.

As shown in Table 2, in Test Example 1, the treatment zone of Compound No. 1 (thiacilamide) was compared with no treatment, whether it was pro-pseudo-stalk treatment or sub-pseudo-stem treatment, functional leaf system of banana Significantly compared to the no-treatment zone. Therefore, the plant growth regulating agent of the present invention has a remarkable plant growth regulating effect, and can obviously impart a healthy growth to the banana.

Test Example 2. Plant growth regulating effect on daughter plants by parental treatment (injection treatment)

Using a 10 ml syringe, the preparation of the preparation of Formulation Example 5 (active ingredient: Compound No. 1) was diluted 5 times with water to obtain a solution of 10 ml per plant (600 mg in terms of the amount of the active ingredient). Inject the pseudo-stem of the parent plant from the height of about 1 meter above the ground. After the treatment of the drug, the number of days to be counted was measured, and the diameter of the pseudo-stem, the plant height of the plant, and the harvest amount of the banana (one-zone 80-in-one) were measured. Furthermore, in order to prevent naturally occurring diseases, from the 10th day after the treatment to the 125th day, about one week, chlorothalonil 72% of the flow agent is dosed at a dose of 1 L/ha, and the amount of water is dispersed at 100 L/ha. Stem and leaf dispersal treatment was performed on all test areas. The results are shown in Table 3.

As shown in Table 3, in the treatment zone of Compound No. 1 (thiacilamide) in Test Example 2, the pseudo-pseudo-stem diameter and the height of the plant height of the plant were significantly increased at all the points of investigation as compared with the untreated zone, and as a result, The amount of banana harvest is also significantly increased. This test example is another example showing the remarkable effect of the present invention.

Test Example 3. Plant growth regulating effect by dispersion or perfusion treatment

The preparation of the preparation of Formulation Example 5 (active ingredient: Compound No. 1) was dispersed in the stem and leaf portion or in the soil in which the plant strain was placed, in an amount of 3 L per 1 ha (900 g in terms of the amount of the active ingredient). After the treatment of the drug, the number of days of the setting was measured, and the functional leaves (the leaves with sound functions), the plant height, the pseudo-stem diameter, the plant height of the sub-plants, and the harvest amount of the banana (one-zone 80-in-one) were calculated. Furthermore, in order to prevent the natural occurrence of the disease, from 7 days after the treatment to 122 days later, about one week, chlorothalonil 72% of the flow agent is dosed at a dose of 1 L/ha, and the amount of water is dispersed at 100 L/ha. Stem and leaf dispersal treatment was performed on all test areas. The results are shown in Table 4.

As shown in Table 4, in Test Example 3, the treatment zone of Compound No. 1 (thiacilamide), whether it was stem-leaf dispersing treatment or soil infusion treatment, was functional compared to the untreated area. The number of leaves, the height of the plants, the diameter of the pseudostems, and the height of the plants of the sub-plants were all meaningfully increased at all points of investigation. As a result, the amount of banana harvested was also significantly increased. This test example is another example showing the remarkable effect of the present invention.

Test Example 4. Plant growth regulating effect on a sub-plant by treatment with a parent strain of various chemicals (injection treatment)

The preparation of the preparation example 5 or the preparation according to the preparation example 5 (active ingredient: compound No. 1, compound No. 7, and compound No. 12) was diluted with water to a predetermined amount, and the amount was 10 ml per plant using a syringe. Injecting the pro-pseudo-stem portion of the banana at a height of about 1 metre above the ground, and measuring the plant height and pseudo-stem diameter of the sub-plant from about the 2nd day after the treatment, and calculating the average value (1 zone, 20-connection system) . Furthermore, in order to prevent the natural occurrence of the disease, from the 7th day after the treatment, about 72% of the chlorothalonil flow agent was sprayed in a dose of 1 L/ha and 100 L/ha of the water per 1 week. Stem and leaf dispersal treatment.

From the results of the test, it can be seen that the compound represented by the general formula (I) of the present invention can preferentially increase the plant height and pseudo-stem diameter of the banana plant by injecting the pseudo-stem portion of the parent plant, and has excellent plant growth. Promote the effect.

[Industrial availability]

According to the plant growth regulator of the present invention and the method of using the same, the healthy growth of the cultivated plant can be promoted, and the harvest amount can be increased, the treatment of the existing pest control agent can be reduced, and the load on the environment can be reduced, especially in the case of bananas. . Therefore, the present invention is greatly beneficial to the development of agriculture and related industries.

Claims (2)

A method for using a plant growth regulator of a banana, wherein the banana plant growth regulator comprises tiadinil as an active ingredient, and the treatment of the banana is a dispersion treatment, a coating treatment, an injection treatment or a soil infusion treatment. . A method for regulating the growth of a banana comprises: treating the banana with an effective amount of a plant growth regulator using thiabendamine as an active ingredient, and achieving one or more of the following effects: the number of leaves of the banana or Increase in the number of functional leaves, increase in crop height, enlargement of new pseudo-stems or stems, promotion of hair roots, increase in elongation, and/or early initiation of rooting, ie activation of roots and/or growth, Increased plant vigor, reduced wilt of lower leaves, increased salt tolerance of plants, increased drought tolerance and low temperature tolerance, fruit color promotion, fruit growth promotion, fruit sugar content improvement, crop quality improvement and/or harvest The amount increases.