HU177178B - Composition for controlling growth of plants,first of all of length and diameter of corn stalk - Google Patents

Abstract

The plant growth regulating composition according to the invention allows for a wider range of action, which is why 2-chloroethanphosphonic acid and chlorinyl chloride are used as active substances in plant-leveling compositions besides auxiliary substances and support materials. The compositions of the invention may also be combined with a chlorobisacylalene having the following formula: wherein R and R 'may be the same or different and represent the alkyl group of 1 to 5 carbon atoms which may optionally be substituted by halogen or radical 2 , 4-dichlorophenoxymethyl and / or lower carboxylic acids, especially halogenated derivatives thereof, such as monochloroacetic acid or 2,4-dichlorophenoxymethyl and / or lower carboxylic acids, especially halogenated derivatives thereof, such as monochloroacetic acid or 2,4-dichlorophenoxyacetic acid.

Description

Plant growth regulator, in particular grain length and thickening agent

Various active ingredients have been known to influence plant growth, e.g. 2-Chloroethane phosphonic acid (German Patent Application No. 1667968) and quaternary nitrogen compounds (German Patent Application No. 1294734). A mixture of chlorocholine chloride and 2-chloroethane phosphonic acid is also known as a plant growth regulator (German Patent Publication No. 2361410, Agrochemie 1974, 14 (9), 265-70). The disadvantage of these materials or combinations is, above all, their relatively limited efficiency. We therefore had to find a plant growth regulator with a broader spectrum of action, which influences in particular the increase in grain length and thickness.

In accordance with the present invention, there is provided a new plant growth regulator composition comprising 5-20% by weight of chlorocholine chloride, 16-30% by weight of 2-chloroethane phosphonic acid of the formula I and 1 to 10% by weight of chloral bisacyl, in addition to the usual carriers and excipients. In Formula 1, R and R 'may be the same or different and are C 1 -C 5 alkyl optionally substituted by halogen. obsession

It may represent a 2,4-dichlorophenoxymethyl group.

Λζ the absolute quantities of each component used, eg They can be 0.03 to -5 kg / h chloral bisacillal, 0.3 to 3 kg / ha chlorocholine chloride and 0.1 to 4 kg / ha 2-chloroethane phosphonic acid.

Depending on the application, the agents of the invention will be in the form of a solution, an oil emulsion, a suspension, a powder. in the form of a paste or granules.

The following examples further illustrate the effects of the agents of the present invention.

Examples

Example 1

The agents of the invention were used to treat the cereal in the greenhouse. The test plants were poplar wheat (Carola variety) and poplar barley (Galina variety). Plants were treated with the agent according to the invention at a 2-leaf stage at a concentration of 1%. Four weeks after the beginning of germination, the stems between the first and second leaves were evaluated. The results are summarized in Table 1. 15

Example 2

During field experiments, summer wheat (Mironowskaja 808) was treated with the agent of the invention in the Feekes20 Stage. The total drug content was suspended in <500 L of water per hectare. Growth height and phytotoxic effects were evaluated after cornification. The results are shown in Table 2.

Example 3 (emulsion concentrate)

350 grams of the active ingredient ethephon, 110 grams of chlorcholine chloride and 50 grams of chloralic acetate acetate, 100 grams of oxyethylated nonylphenol. 290

Table 1 Thickening of spring wheat and barley using 1% by weight of the present invention

Compound or combination Ratio of components to each other Relaliv length untreated Wheat 100 2-chloroethane-phosphonic acid 43 Klórkolin chloride 38 2,4-Dichlorophenoxyacetic acid 38 M onchloroacetic acid 30 2-chloroethane-phosphonic & Chloro- 1: 3 25 choline chloride 1: 1 35 3: 1 33 2-chloroethane-phosphonic + 1: 3 25 2,4-Dichloro-phenoxy-acetic acid 1: 1 38 2-Chloroethane phosphonic acid + Mono- 1: 3 20 chloro acetic acid 1: 1 28 3: 1 35 2-chloroethane-phosphonic + Cl 1: 2: 1 29 choline chloride + monochloroacetic acid 2-chloroethane-phosphonic & Chloro- 1: 1: 1 23 choline chloride + Chloral bis-acetate 2: 1: 2 25 Chloro-choline chloride + Chloral bis-acetate + 1: 1: 0.1 33 Monochloroacetic acid 3: 1: 0.1 33 2-chloroethane-phosphonic & Klórkolin- 1: 1: 1: 0.1 20 off orid + Chloral acetate-chloroacetate + 2: 1: 2: 0.2 23 M onchloroacetic acid 2-chloroethane-phosphonic & Klórkolin- 1: 1: 1: 0.1 21 off orid + K1 to 1-acetate t-clone race t + 2,4-dichlorophenoxy acetic acid untreated Barley 100 2-chloroethane-phosphonic acid 71 Klórkolin chloride 88 2-chloroethane-phosphonic acid - (- Klórkolin- 1: 3 71 chloride 1: 1 62 3: 1 59 2-Chloroethane phosphonic acid + Chlorcholine- 1: 2: 1 65 chloride + Monochloroacetic acid 2-Chloroethane phosphonic acid + Chlorcholine- 1: 1: 1 59 chloride + Chlora 1-acetate-chloroacetate 2: 1: 2 40 2-Chloroethane phosphonic acid + Chlorcholine- 1: 1: 1: 0.1 65

chloride + monochloroacetic acid + chloral bis acetate

Table 2 Thickening of summer wheat using the agent of the invention (Feekes-Stage 7). In neither case do phytotoxic effects occur.

Compound or combination Ratio of omponents to each other Total active ingredient (kg ha) Relative length untreated 100 Klórkolin chloride 2 85 2-chloroethane-phosphonic acid 2 80 2-chloroethane-phosphonic + 1: 3 1 76 Klórkolin chloride 2-chloroethane-phosphonic acid l- 1: 3 1 70 Klórkolin chloride + 3 1 Spindle oil per hectare

Spreadsheet

(a) Thickening of winter wheat and winter barley on a feed and a combination of chloral bisacyl

Weight ratio Ethephon: Chloral bisacylals Concentration (weight ;,) Relative fiber length winter Wheat ( '.>) Winter barley B \ B 1: 3 1 48 51 96 98 0.1 86 86 95 99 0.01 99 90 95 90 1: 1 1 48 41 73 85 0.1 90 68 82 95 0.01 96 86 90 87 3: 1 1 53 46 88 76 0.1 78 73 98 99 0:01 96 91 93 95 hl Ielibii / a and winter scar seeds: in accordance with the invention in combination Weight ratio Concentration Relative stem length G) telephone: CCC: (weight ⁰ ;,) winter Wheat winter Barley klorálbiszacilálok THE B THE B 1: 1: 1 1 23 20 59 65 0.1 63 58 79 76 0.01 89 81 93 85 1: 1: 2 1 25 20 76 73 0.1 66 61 76 85 0.01 90 89 73 90 2: 1: 2 1 25 23 40 Ί 0.01 89 89 82 93 0.1 41 61 66 85 2: 1: 1 1 28 20 56 73 0.1 66 53 82 82 0.1 86 84 85 88

The substance 69.6 weight ⁰ ,, klórálbiszacilált acetic acid, 21.7 weight ^0; includes, monochloro acetic acid and mixed acilálját the substance B is 1: 0.13 molar ratio and contains carbonsavklórálbiszacilált monoklóracetanhidridet.

g of cyclohexanone and 100 g of xylene are stirred with gentle heating. The resulting emulsion concentrate can be stored in a stable manner and diluted with water ready to use.

Example 4 (aqueous concentrate)

The analogy to Example 3 is followed. and water is used instead of cyclohexanone and xylene. The resulting concentrate is stable during storage and can be diluted with water to be ready to use.

Claims (1)

CLAIMS 1. An agent for controlling plant growth, in particular grain obstruction and thickening, characterized in that besides the excipients and carriers, the active ingredient is 16 to 30% by weight of 2-chloroethanephosphonic acid. 5 to 20 weight percent of chlorocholine chloride and 1 to 10 weight percent of chloral bisacylals of the formula I wherein R and R are the same or different C 5 alkyl groups optionally substituted with halogen or 2,4-dichloromethoxyphenyl .