WO2020147277A1 - Composition de régulation de la croissance des plantes - Google Patents

Composition de régulation de la croissance des plantes Download PDF

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Publication number
WO2020147277A1
WO2020147277A1 PCT/CN2019/096021 CN2019096021W WO2020147277A1 WO 2020147277 A1 WO2020147277 A1 WO 2020147277A1 CN 2019096021 W CN2019096021 W CN 2019096021W WO 2020147277 A1 WO2020147277 A1 WO 2020147277A1
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WO
WIPO (PCT)
Prior art keywords
active component
composition
thidiazuron
forchlorfenuron
weight ratio
Prior art date
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PCT/CN2019/096021
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English (en)
Chinese (zh)
Inventor
仲汉根
季红进
罗才宏
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江苏辉丰生物农业股份有限公司
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Publication of WO2020147277A1 publication Critical patent/WO2020147277A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture

Definitions

  • the invention belongs to the field of agricultural plant protection, and in particular relates to a pesticide composition with improved properties, in particular to a composition for plant growth regulation.
  • Thidiazuron is a new type of high-efficiency plant growth regulator. After being absorbed by plants, pyraclostrobin can promote the separation of tissues between petioles and stems and form natural shedding. It can be widely used in pesticides and fertilizers. It has strong biological activity, and its ability to induce plant cell division and callus formation is many times higher than that of general cytokinins. It can improve the absorption capacity of crops and increase photosynthesis, so as to achieve the purpose of increasing yield and improving quality. It can be used for all kinds of melons, fruits, vegetables, seedlings, flowers, grains, tobacco and other crops. It can also be used for tissue culture and genetic engineering. In terms of production, it can significantly increase the yield of crops, improve the quality, and have less useful quantity, no pollution to the ecological environment, and non-toxic to humans, livestock, birds, bees, and natural enemies.
  • Indole-3-butanoic acid (1h-indole-3-butanoic acid) is an endogenous auxin that can promote cell division and cell growth, induce adventitious root formation, increase fruit setting, prevent fruit drop, and change the ratio of female to male flowers. It can enter the plant body through the tender skin of leaves, branches and seeds, and be transported to the functional parts along with the nutrient flow. Indole butyric acid can be absorbed through the roots, stems, leaves, and fruits of plants, but it has little mobility and is not easily decomposed by indole acetic acid oxidase, and its biological activity lasts for a long time.
  • Forchlorfenuron is a phenylurea plant growth regulator with cytokinin activity. Its biological activity is 10-100 times higher than 6-benzylaminopurine. It is widely used in agriculture, gardening and fruit trees to promote cell division, promote cell expansion and elongation, promote fruit hypertrophy, increase yield, and keep fresh.
  • the plant growth regulators on the market are mainly single agents, and the effect is single.
  • the safety risk of common plant growth regulators is very high, and it is easy to cause crop growth abnormalities, rigid seedlings, fruit drop, and decreased yield. And the quality is reduced.
  • the purpose of the present invention is to provide a composition that can synergistically increase crop growth and increase crop yield.
  • the inventor found that thidiazuron, indolebutyric acid, and forchlorfenuron have a significant synergistic improvement effect in regulating or improving crop growth, promoting positive crop growth indicators and increasing crop yield.
  • the active ingredient of the composition is composed of active ingredient A and active ingredient B, said active ingredient A is thidiazuron and indole butyric acid or its salts derived
  • the active component B is forchlorfenuron, the weight ratio of the active component A to the active component B is 1: (0.005-0.5), and in the active component A, the The weight ratio of thidiazuron to indole butyric acid or its salt derivatives is 1: (0.01-10).
  • the weight ratio of the active component A and the active component B is 1: (0.0055-0.3), and the weight ratio of the thidiazuron to indole butyric acid or its salt derivatives is 1: (0.0125 ⁇ 1).
  • the total content of the active ingredients of the composition accounts for 0.1% to 16% of the total weight of the entire composition, preferably 0.1% to 10%.
  • indolebutyric acid in the composition of the present invention may be in the form of various salts.
  • Indolebutyric acid may include its salt derivatives, such as indolebutyric acid sodium salt, indole Potassium butyrate.
  • the present invention provides a composition comprising active component A (composition of thidiazuron and indolebutyric acid or its salt derivatives) and active component B (forchlorfenuron) in the agricultural field to regulate crop growth and improve crop growth.
  • active component A composition of thidiazuron and indolebutyric acid or its salt derivatives
  • active component B forchlorfenuron
  • the crops include but are not limited to corn, cherries and the like.
  • composition of the present invention can be made into a pesticide-permissible dosage form from the active ingredients and pesticide adjuvants.
  • the above composition may specifically contain pesticide adjuvants, such as one or more of carriers, solvents, dispersants, wetting agents, adhesives, thickeners, adhesives, surfactants and fertilizers, etc., during the application process Commonly used additives can be mixed in.
  • pesticide adjuvants such as one or more of carriers, solvents, dispersants, wetting agents, adhesives, thickeners, adhesives, surfactants and fertilizers, etc.
  • Suitable additives can be solid or liquid. They are usually substances commonly used in the processing of dosage forms, such as natural or regenerated minerals, solvents, dispersants, wetting agents, adhesives, thickeners, adhesives or fertilizers. .
  • compositions can be applied only containing active ingredients, or they can be mixed together with additives (pesticide additives).
  • composition of the present invention and its individual active ingredients can be formulated in a variety of ways.
  • suitable dosage forms are: dispersible oil suspension, soluble liquid (SL), emulsifiable concentrate (EC), wettable powder (WP), soluble powder (SP), water emulsion (EW) (such as oil-in-water and oil-in-water) Water-in-water emulsion), suspending agent (SC), suspoemulsion, water, oil-based or water-based dispersant, such as dispersant in oil (OD), oil-miscible solution, microparticles in the form of adsorption particles Granules (GR), water dispersible granules (WDG), water-soluble granules (SG), ULV (ultra low volume) formulations and WSB (water-soluble bag).
  • SL soluble liquid
  • EC emulsifiable concentrate
  • WP wettable powder
  • SP soluble powder
  • EW water emulsion
  • SC suspending agent
  • Dispersible oil suspending agent mixes the dispersant, wetting agent, thickener, water and other components evenly according to the formula ratio.
  • OD Dispersible oil suspending agent
  • emulsifier emulsifier, dispersant, wetting agent, stabilizer, and dispersion medium
  • the reaction kettle is mixed and dispersed uniformly; antifreeze and thickener are added under high-speed shearing, and the active ingredients indolebutyric acid, thidiazuron and forchlorfenuron are sand-milled under the zirconium bead grinding medium to obtain indole Dispersible oil suspension of indole butyric acid or its salt derivatives, thidiazuron and forchlorfenuron.
  • the wettable powder can be uniformly dispersed in water, and besides the active ingredients, it also contains ionic and/or non-ionic surfactants (wetting agents, dispersing agents), such as polyethoxylated alkylphenols, polyethoxylates Fatty alcohol, polyethoxylated fatty amine, fatty alcohol polyglycol ether sulfate, alkane sulfonate, alkylbenzene sulfonate, sodium lignosulfonate, 2,2'-dinaphthyl methane- 6,6'-Sodium disulfonate, sodium dibutyl naphthalene sulfonate, sodium oleoyl methyl taurate, except for diluents or inert substances.
  • the active ingredient is finely ground, for example, with common equipment such as a hammer mill, blower mill, and air jet mill, and simultaneously or subsequently mixed with the formulation aid.
  • Emulsifiable concentrates are prepared by dissolving the active ingredients in an organic solvent or a mixture of organic solvents and adding one or more ionic and/or non-ionic surfactants (emulsifiers).
  • the solvents are commonly disclosed solvents, such as Cyclohexanone, dimethylformamide, butanol, xylene or high-boiling aromatic compounds or hydrocarbons.
  • emulsifiers examples include calcium dodecyl benzene sulfonate, calcium salt of alkyl aryl sulfonic acid; or non-ionic emulsifiers such as fatty acid polyethylene glycol esters, alkyl aryl polyethylene glycol ethers, fats Alcohol polyethylene glycol ether; propylene oxide/ethylene oxide condensate; alkyl polyether; sorbitan ester, such as sorbitan fatty acid ester, polyoxyethylene sorbitan ester or polyoxyethylene Sorbitan fatty acid ester.
  • Wettable powders are prepared by grinding the active ingredient with finely divided solid materials such as talc, natural clay (such as kaolin, bentonite and pyrophyllite) or diatomaceous earth.
  • finely divided solid materials such as talc, natural clay (such as kaolin, bentonite and pyrophyllite) or diatomaceous earth.
  • the suspension can be water-based or oil-based.
  • it can be obtained by wet grinding using a commercially available sand mill with or without the surfactants mentioned above (as mentioned above in the case of other dosage forms). preparation.
  • Water emulsions such as oil-in-water emulsions (EW), for example, can use aqueous organic solvents and, if appropriate, the surfactants mentioned above (as mentioned above in the case of other dosage forms) through a stirrer, colloid Mill and/or static mixer to prepare.
  • EW oil-in-water emulsions
  • Granules can be applied by spraying the active ingredient onto the adsorptive granular inert material or by applying the active ingredient concentrate to the carrier (e.g. sand, kaolinite) with the aid of an adhesive (e.g. polyvinyl alcohol, sodium polyacrylate or mineral oil). ) Or the surface of a granular inert material.
  • the active ingredient can also be granulated in a conventional manner for preparing fertilizer granules, if necessary, mixed with fertilizer.
  • Water-dispersible granules are usually prepared by conventional methods, such as spray drying, fluidized bed granulation, pan granulation, mixing with a high-speed mixer, and extrusion or kneading granulation without adding solid inert materials .
  • the processing method of suspoemulsions includes preparing one or two active ingredients into a suspension or water emulsion, and the other one or two active ingredients to prepare an aqueous emulsion or suspension, and combining the suspension and the water emulsion with the auxiliary agent. Stir evenly to prepare a suspoemulsion formulation.
  • the processing method of the soluble agent includes placing the active ingredient thidiazuron, indolebutyric acid or its salt derivatives, forchlorfenuron, surfactants, additives and water in a reaction vessel, and under the condition of controlling the temperature of the water bath , Stir thoroughly until a transparent liquid is obtained, and a solution is obtained.
  • the processing method of the suspending agent includes putting the active ingredient thidiazuron, indolebutyric acid or its salt derivatives, forchlorfenuron, additives and water into the reaction kettle for stirring, and after stirring, put it into the sand mill to grind to After a certain particle size, the suspending agent of the present invention can be obtained.
  • the processing method of the ultra-low volume agent includes stirring and dissolving the active ingredients thidiazuron, indolebutyric acid or its salt derivatives, forchlorfenuron and the solvent in the reaction vessel, and then adding the auxiliary ingredients, fully stirring and mixing uniformly , That is, an ultra-low volume agent is obtained.
  • the application method of this formulation is ultra-low volume spray, low volume spray or ultra-low volume electrostatic spray. Usually use an ultra-low volume sprayer for spraying, or spray with an electrostatic sprayer, or it can be diluted with a small amount of water for low volume spray.
  • auxiliaries involved in the above active ingredient preparations include but are not limited to binders, wetting agents, dispersants, emulsifiers, penetrants, preservatives, antifreeze agents, solvents, fillers, carriers, colorants, Antifoaming agents, evaporation inhibitors, and pH and viscosity modifiers are each conventional.
  • Suitable solvents include but are not limited to one of soybean oil, castor oil, palm oil, gasoline, diesel, mineral oil, toluene, xylene, cyclohexanone, dichloromethane, ethyl acetate, chloroform, acetone, and hexane. kind or several.
  • Suitable surfactants include, but are not limited to, fatty alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, alkylphenol polyoxyethylene polyoxypropylene ether, phenylethylphenol polyoxyethyl polyoxypropylene
  • emulsifiers such as base ethers, EO-PO block compounds, polyoxyethylene sorbitan fatty acid esters, and alkylphenol polyoxyethylene ether phosphates.
  • the thickener is one or more of xanthan gum, sodium carboxymethyl (ethyl) cellulose, methyl cellulose, polyvinyl alcohol, and polyvinylpyrrolidone.
  • the antifreeze is one or more of ethylene glycol, propylene glycol, glycerol, and polyethylene glycol 400.
  • Suitable dispersants include, but are not limited to, aromatic sulfonates, acrylic acid-acrylate copolymers, formaldehyde condensate sulfonates, maleic anhydride copolymer sodium salts, polymeric carboxylic acid sodium salts, styrene alkyl polyoxy Vinyl ether phosphate, sodium naphthalenesulfonate formaldehyde condensate, tristyrylphenol polyoxyethylene ethers and derivative esters, fatty alcohol polyoxyethylene ethers, alkylphenol polyoxyethylene ethers, polymer EO- PO block copolymer, lignin sulfonate, alkylphenol polyoxyethylene formaldehyde condensate sulfate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate phosphate, styrene phenol formaldehyde resin polyoxyethylene ether phosphate
  • Suitable emulsifiers include but are not limited to one of sorbitan laurate, polyoxyethylene lauryl ether, fatty alcohol polyoxyethylene ether, polyoxyethylene monopalmitate, and polyoxyethylene castor oil.
  • Suitable fillers include, but are not limited to, modified water-soluble starch, cellulose ethers and their derivatives, magnesium aluminum silicate, kaolin, diatomaceous earth, attapulgite, glucose, light calcium carbonate, white carbon black, inorganic salts One of them.
  • Suitable wetting agents include, but are not limited to, sodium lauryl sulfate, nonylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensate sulfate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate phosphate , Styrene phenol formaldehyde resin polyoxyethylene ether phosphate salt, styryl phenol polyoxyethylene polyoxypropylene ether, alkyl naphthalene formaldehyde condensate sulfonate, alkyl succinate sulfonate, Span SPAN, One or a combination of two or more of TWEEN.
  • Suitable auxiliary agents include, but are not limited to, one or a combination of binders, disintegrants, pH regulators, antiseptics, antifoaming agents, antifreeze agents, and thickeners; wherein: the The binder includes but is not limited to polyvinyl alcohol, gelatin, gum arabic, xanthan gum, sodium polyacrylate, sodium alginate, starch, cellulose and its derivatives, preferably one of cellulose and its cellulose derivatives Disintegrants include but are not limited to magnesium aluminum silicate, polyethylene glycol PEG, modified starch, inorganic salts, white carbon black, silica gel; the pH acid-base regulator includes but is not limited to One of glacial acetic acid, hydrochloric acid, ammonia, ethanolamine, and triethanolamine; the bactericidal preservative includes but is not limited to one of potassium sorbate, sodium benzoate, formaldehyde, and isothiazolinones; the defoamer The agent includes but is not limited to
  • a dispersible oil suspension composition for regulating crop growth The effective ingredients of the composition are composed of active component A and active component B.
  • the active component A is thidiazuron and indole butyric acid Or the composition of its salt derivatives
  • the active component B is forchlorfenuron
  • the weight of the active component A and the active component B is 1: (0.005-0.5)
  • the active component A is thidiazuron and indolin
  • the weight ratio of the acid or its salt derivatives is 1: (0.01-10)
  • the auxiliary agent includes at least a solvent, a dispersant, an emulsifier, and a wetting agent, and the total amount of active ingredients accounts for 0.1-16% of the total preparation.
  • a suspension composition for regulating crop growth The active ingredient of the composition is composed of active ingredient A and active ingredient B.
  • the active ingredient A is thidiazuron and indole butyric acid or its salt
  • the active component B is forchlorfenuron
  • the weight ratio of active component A to active component B is 1: (0.005 ⁇ 0.5)
  • the weight ratio of the salt derivatives is 1: (0.01-10)
  • other auxiliary agents include at least dispersant, defoamer, thickener and water, and the total amount of active ingredients accounts for 0.1-4% of the total preparation.
  • a water emulsion composition for regulating crop growth the active ingredient of the composition is composed of active component A and active component B, said active component A is thidiazuron and indole butyric acid or its salt A derivative composition, the active component B is forchlorfenuron, the weight ratio of the active component A to the active component B is 1: (0.005-0.5), in the active component A, thidiazuron and indole
  • the weight ratio of butyric acid or its salt derivatives is 1: (0.01-10)
  • other auxiliary agents include at least emulsifier, solvent and water, and the total amount of active ingredients accounts for 0.1-4% of the total preparation.
  • a solution composition for regulating crop growth the active ingredient of the composition is composed of active component A and active component B, said active component A is thidiazuron and indole butyric acid or A composition of salt derivatives, the active component B is forchlorfenuron, the weight ratio of active component A to active component B is 1: (0.005 ⁇ 0.5), in the active component A, thidiazuron and indole The weight ratio of indole butyric acid or its salt derivatives is 1: (0.01-10), other auxiliary agents include at least solvent and emulsifier, and the total amount of active ingredients accounts for 0.1-4% of the total preparation.
  • a suspoemulsion composition for regulating crop growth The active ingredient of the composition consists of active ingredient A and active ingredient B.
  • the active ingredient A is thidiazuron and indole butyric acid or its salt A derivative composition
  • the active component B is forchlorfenuron
  • the weight ratio of the active component A to the active component B is 1: (0.005-0.5)
  • the weight ratio of butyric acid or its salt derivatives is 1: (0.01-10)
  • other auxiliary agents include at least emulsifier, wetting agent, and dispersant, and the total amount of active ingredients accounts for 0.1-4% of the total preparation.
  • An emulsifiable concentrate composition for regulating crop growth is composed of active component A and active component B.
  • the active component A is composed of thidiazuron and indole butyric acid or its salt A derivative composition
  • the active component B is forchlorfenuron
  • the weight ratio of the active component A to the active component B is 1: (0.005-0.5)
  • the weight ratio of butyric acid or its salt derivatives is 1: (0.01-10)
  • other auxiliary agents include at least emulsifiers and solvents
  • the total amount of active ingredients accounts for 0.1-4% of the total preparation.
  • An ultra-low volume agent composition for regulating crop growth The effective ingredients of the composition are composed of active component A and active component B.
  • the active component A is thidiazuron and indole butyric acid Or its salt derivative composition
  • the active component B is forchlorfenuron
  • the weight ratio of active component A to active component B is 1: (0.005-0.5)
  • the weight ratio to indolebutyric acid or its salt derivatives is 1: (0.01-10)
  • other auxiliary agents at least include auxiliary agents and solvents
  • the total amount of active ingredients accounts for 0.1-4% of the total preparation.
  • the two active ingredients in the composition of the present invention show a synergistic effect, and the activity of the composition is more significant than the expected sum of the activities of a single compound and the individual activity of a single compound.
  • the other characteristics of the composition of the present invention are mainly manifested in promoting healthy growth of crops, improving fruit setting rate, improving crop quality, and increasing crop yield.
  • Example 1 0.561% thidiazuron ⁇ indolebutyric acid ⁇ forchlorfenuron dispersible oil suspension concentrate
  • Example 2 0.40602% thidiazuron ⁇ indolebutyric acid ⁇ forchlorfenuron dispersible oil suspension concentrate
  • Example 3 0.2036% thidiazuron ⁇ indolebutyric acid ⁇ forchlorfenuron dispersible oil suspension concentrate
  • Example 6 0.5151% Thidiazuron ⁇ Indolebutyric Acid ⁇ Forchlorfenuron Solution
  • Example 7 0.21% Thidiazuron ⁇ Indolebutyric Acid ⁇ Forchlorfenuron Solution
  • Example 8 0.28% Thidiazuron ⁇ Indolebutyric Acid ⁇ Forchlorfenuron Solution
  • the processing method of suspoemulsions includes preparing one or two active ingredients into a suspension or water emulsion, and the other one or two active ingredients to prepare an aqueous emulsion or suspension, and combining the suspension and the water emulsion with the auxiliary agent. High-speed shearing, uniform mixing, and preparation into suspoemulsion dosage form.
  • Example 11 10.542% thidiazuron ⁇ indolebutyric acid ⁇ forchlorfenuron suspoemulsion
  • Example 12 0.484% thidiazuron ⁇ indolebutyric acid ⁇ forchlorfenuron suspension emulsion
  • test soil was brown loam, and the cultivated layer contained 5.8% organic matter, total nitrogen 0.98%, total phosphorus 0.28%, available phosphorus 58mg/kg, hydrolyzed nitrogen 58mg/kg, and pH 6.6.
  • the corn variety is Xianyu 335.
  • Stem diameter increase rate (treated plant stem diameter-clear water control plant stem diameter) / clear water control plant stem diameter * 100%
  • Thousand-grain weight increase rate (thousand-grain weight after treatment-thousand-grain weight of clear water control)/thousand-grain weight of clear water control*100%
  • Table 1 Summary table of comprehensive determination of corn growth regulation for thidiazuron, indolebutyric acid and forchlorfenuron
  • thidiazuron, indolebutyric acid and forchlorfenuron are in the ratio of (thidiazuron+indolebutyric acid) and forchlorfenuron in the ratio range of 1:(0.005 ⁇ 0.5)
  • the weight ratio of pyrone to indolebutyric acid is 1: (0.01 ⁇ 10)
  • the three have a good synergistic lifting effect.
  • the mixing of the three is relative to each single agent and the water control, which can affect the growth of rice
  • the regulation effect is obvious, mainly manifested in: promoting the growth of corn vegetative body, promoting the increase of stem thickness, preventing lodging, enhancing business conduction, promoting spikelet differentiation, improving corn disease resistance, significantly increasing grain weight, and improving comprehensive corn yield.
  • the synergistic effect of Example 11 is not obvious, and the effect is additive.
  • Application period cherry first flowering period and young fruit swelling period.
  • the experiment was carried out in a cherry orchard in Fushan District, Yantai City, Shandong province.
  • the sweet cherry trees were 7-year-old, and the cherry variety was Daihong Cherry. 24 trees were selected for each treatment.
  • foliar spray spray once at the initial flowering stage and the young fruit swelling stage.
  • the spray application amount is set according to the experimental design amount, and the single-plant plot is repeated 4 times, and the results are averaged. Investigate the fruit setting rate, cherry anthracnose incidence, single fruit weight and sugar content.
  • Fruit setting improvement rate (%) (fruit setting rate after treatment-fruit setting rate of clear water control)/fruit setting rate of clear water control * 100%
  • Single fruit weight increase rate (%) (single fruit weight after treatment-single fruit weight of clear water control) / single fruit weight of clear water control * 100%
  • Table 2 Summary table of comprehensive determination of thidiazuron, indolebutyric acid and forchlorfenuron on cherry growth regulation
  • the test data from Table 2 shows that the product of the present invention is applied at the initial flowering stage and the young fruit expansion stage, which can effectively regulate the healthy growth of cherries.
  • Thidiazuron, indolebutyric acid and forchlorfenuron are in the ratio of (thidiazuron + indolebutyric acid) and forchlorfenuron in the ratio of 1: (0.005 ⁇ 0.5) (wherein, thidiazuron and indolebutyric acid)
  • the weight ratio of cherries is 1: (0.01 ⁇ 10)
  • the three have a good synergistic effect on physiological indicators such as the fruit setting rate of cherries, the prevention and control of fungal diseases, the weight of a single product, and the sugar content of cherries.
  • the synergistic effect of Example 12 is not obvious, and the effect is additive.

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
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Abstract

La présente invention concerne une composition de régulation de la croissance de plantes. Les principes actifs de la composition comprennent les composants actifs A et B, le composant actif A étant un mélange de thidiazuron et d'acide 1h-indole-3-butanoïque et le composant actif B étant du forchlorfénuron. Le rapport en poids du constituant actif A au constituant actif B est de 1 : (0,005 à 0,5), et dans le composant actif A, le rapport en poids du thidiazuron à l'acide 1h-indole-3-butanoïque est de 1 : (0,01 à 10). La présente invention concerne également un procédé de préparation et d'utilisation de la composition. Le résultat de test montre que la composition de la présente invention peut favoriser la croissance saine des cultures, améliorer le taux de nouaison, améliorer la qualité des cultures et augmenter le rendement des cultures.
PCT/CN2019/096021 2019-01-18 2019-07-15 Composition de régulation de la croissance des plantes WO2020147277A1 (fr)

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CN201910108154.5A CN109757505A (zh) 2019-01-18 2019-02-02 一种植物生长调节剂组合物
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CN109757505A (zh) * 2019-01-18 2019-05-17 江苏辉丰生物技术有限公司 一种植物生长调节剂组合物
CN115093282A (zh) * 2022-06-21 2022-09-23 广西大学 提高木瓜百香果收果率的增果剂及其使用方法和应用
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