LU86726A1 - PLANT GROWTH REGULATING AGENT - Google Patents

Description

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PLANT GROWTH REGULATING AGENT

The invention relates to a plant growth-regulating agent which contains an ammonium phosphonate of the general formula (I), c H R2 3 -, i -,

Rx0 - P - 0® H - N®- R-5 (I) ii

0 h

wherein 10 represents a C-j ^ alkyl group; R2 for a (^ .. ^ - alkoxy) - (C - ^ - alkyl) - or a

Cg_2Q alkyl group; and

A3896-1132 SZÖ / SM

- 2 - Λ R "5 is hydrogen or Cl-15 alkyl group, in an amount of 0.2 to 99.5% by mass and solid or liquid carrier or filler material, and optionally other auxiliaries, preferably a surface-active substance and / 5 / or contains an adhesive in an amount up to 100% by mass.

The manufacturing process of the active ingredients of the all; general formula (I) and its use as an active ingredient in fungicidal agents have been described in Hungarian Patent No. 10 No. 184,319. The patent does not mention the plant growth regulating action of the above substances.

. It was found that the active ingredients of the general formula (I) in a suitable can root formation, 15 the growth, the development of the vegetative leaf surface, or the flower binding, harvest binding and ripening of arable plants, for example: wheat, corn, sugar beet and Sunflower; as well as garden plants, e.g. Paprika,

Tomato, radish and potato; fruit trees, e.g. Apple; 2o and berry plants, e.g. Can regulate currant and grape.

The agent according to the invention can be used in a concentration of 1 to 2000 ppm for regulating plant growth or for accelerating harvesting.

25 The can to be used depends on the plant being treated, the purpose of the treatment, the phenological stage of the plant and the formulation of the agent.

Accordingly, the invention also relates to a treatment method for regulating plant growth, and for accelerating flower binding, harvest binding and

Harvest maturity, characterized in that the seeds, plant parts of vegetative reproduction and flowers in an amount of 1 to 2000 ppm active ingredient, or the soil of the plants before sowing in an amount of 0.001 to 5.0 g 35 active ingredient / m or after planting or lowering by - 3 -

Watering in an amount of 1 to 2000 ppm of active substance with: · an agent which is active as a compound of the general formula (I), in which the meaning of I 12 3; R, R and R are the same as above, in an amount of t '5 0.2 to 99.5 mass% and solid or liquid carrier or filler material and optionally other auxiliaries, preferably a surface-active substance and / or an adhesive in one up to 100% by mass; Quantity contains.

Before practical use, the active ingredient according to the invention can be converted into an agent using solid or liquid carrier materials and, if appropriate, other auxiliaries, preferably surface-active substances and adhesives.

15 Suitable carrier materials are organic or mineral, natural or synthetic substances that promote the adsorption or absorption of the active substance (e.g. water, methanol, glycerin, waxes, resins, talc, etc.).

2 ° Ionic and / or nonionic emulsifiers, dispersants or wetting agents, preferably alkylaryl polyglycol ethers, fatty acid polyglycol esters, as adhesives, e.g. Polyvinyl pyrrolidone, polyethylene glycol and carboxymethyl cellulose can be used.

The agents according to the invention can be formulated as water-soluble concentrates (WSC), wettable powders (WP), dusts, emulsifiable concentrates (EC) and granules (G).

50 The further details of the invention are evident from the following examples, which, however, do not limit the invention. In the examples, the active ingredients are designated by the following abbreviations.

55 3-Butoxypropyl-ammonium-methylphosphonate: BF-53 - 4 - 2-methoxyethyl-ammonium-ethylphosphonate: BF-76-tetradecyl-ammonium-ethylphosphonate: BF-96

Hexadecyl ammonium ethyl phosphonate: BF-97

Decyl ammonium ethyl phosphonate: BF-100 5 bis (2-ethylhexyl) ammonium ethyl phosphonate: BF-105

Dodecyl ammonium ethyl phosphonate: BF-120 2-methoxyethyl ammonium isopropyl phosphate: BF-195 10 2-methoxyethyl ammonium butyl phosphonate: BF-196 2-methoxyethyl ammonium methyl phosphonate: BF-197

example 1

A water soluble liquid agent is made from the following components: 15

Dimensions%

Decyl ammonium ethyl phosphonate 95

Nonylphenol polyglycol ether (e.g. Arkopal Ν0Β0) 5

Example 2 2o An emulsion-forming liquid spray is produced from the following components:

Dimensions%

Dodecyl ammonium ethyl phosphonate 4G

Atlox 4857B (a mixture of an anionic 25 and a nonionic surfactant) 10

Chlorobenzene 50

Example 3

An emulsion forming liquid spray 30 is made from the following components:

Mess

Tetradecyl ammonium ethyl phosphonate 20

Arkopal N 130 (nonylphenol polyglycol ether) 5

Chlorobenzene 75 35 - 5 - -

Example 4

An emulsion-forming liquid spray i is made from the following components: \! 5% by mass bis (2-ethylhexyl) ammonium ethylphosphonate 30

Genapol PF 10 (a polymerization product from

Propylene oxide and ethylene oxide) 3

Genapol PF 40 (a polymerization product from

Propylene oxide and ethylene oxide) 3

Ethylene glycol 15

Cyclohexanone 50 j Example 5

A solution that can be used in solution is made from the following 15 components:

Mass% 3-butyloxypropilammonium methylphosphonate 1

Glycerin 99

Example 6

An agent that can be used as a dusting agent is produced from the following components:

Mass% 2-methoxyethyl ammonium ethyl phosphonate 0.55

Talk 99.5 25 Example 7

Wheat seeds (MG-4) were soaked in solution containing the test substances in different concentrations for 10 minutes. After the surface had dried, the seeds were sown in growing pots.

In the four-leaf phase of the control plants, the germination percent, the plant length, the green mass and the root mass were rated. Gibberellic acid (GA) or 3-indolylacetic acid (IA) were used as reference substances. The results are shown in Table 55 i.

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Example 8

After growing (post-emergent), maize sown in seed pots (5th plants / pot) was sprayed with solutions which contained the test substances or gibberellic acid or

5 contained 3-indolylacetic acid in a concentration of 250 or 500 ppm. In the four-leaf phase of the untreated control plants, the green mass and the root mass of the plants were measured (Table II). Chlorophyll was determined in the tip of the second leaf of each plant 10 (Table III).

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From the results it is visible * that each active ingredient tested significantly accelerated the development of the plants compared to the untreated control.

5. The quotient plant length / green mass indicates, however, that the BF substances have a more favorable effect than the comparison substances. From this it can be seen that the habit of the maize was not adversely affected by BF ^ -120 or BF - 96, whereas unpredictably gaunt plants with an unfavorable habit developed through the action of gibberellic acid.

The values of the chlorophyll determinations indicate that BF-120 has the most favorable effect on the amount of chlorophyll 15 formed in 1 g or in the whole green plant.

Example 9

Tomato plants exposed to small plots were sprayed with solutions containing BF-120 in a concentration of 250 or 500 ppm once at the beginning of the ßwühlung 20 to drip.

At 1, 4 and 13 days after the treatment, samples were taken from the same leaf disc at the same leaf height and the chlorophyll content was determined (Table IV).

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Example 10 Height and mass values of maize plants treated with BF-120 as active ingredient Plant: Maize 5 Sowing: 25/04/1985

Treatment: 17/05/1985

Can: 2 liters / hectare of active ingredient BF-120

Phenological stage: four-leaf phase measurement: 04/07/1985 lo

The information is summarized in Table V.

Table V

15 _

Control Treated Height Mass Height Mass 2o Σ x25 = 5844 cm 9 ^ -X25 = 4212 cm ^^ 5 = 10646 g 725 = 153.76 355.52 g x25 = 168.48 x ^ = 425.84 g cm cm S = 9.64 S = 98.13 S = 10.24 S = 119.0 ^ χ2. | = 3237 cm ^ 2 ^ = 7373 g ^ -x21 = · ^^ cm £ ^ 2 ^ = 9093 g 25 154.1 351.1 g x21 = 168.6> ^ = 433.0 g cm 'cm S = 7.52 S = 66.7 S = 7.3 S = 92.7 S = scatter

Example 11 59 tomato plants (20 strains) were grown after the

Suspend, but before flowering begins, sprayed with solutions containing BF substances in various concentrations (in 4 repetitions). The yield of the first reading was evaluated. The results are shown in Table VI.

ψ - 15 -

; Table VI

• Treatment can yield amount as% of the 'ppm control * Ί - ------------- - -! . ......— 5 Untreated - 100.00 BF-100 250 129.24 500 189.77 BF-105 250 143.96 500 122.70 10 BF-120 250 139.26 500 96.52 ETHREL 1 l / ha ** 118.75 _. ____ ... _.

? * means the dose of the active ingredient in the case of the BF- ^ substances.

** The can used in practice, this refers to the agent with an active substance content (2 - chloroethyl-phosphonic acid) of 40%.

20 The results clearly demonstrated the tire-accelerating effect of the tested substances.

Claims (4)

1. Plant growth regulating agent, characterized in that it contains one or more ammonium phosphonates of the general formula (I) 2 H Rz R10 - P - 0ΘH - N - R3 (I) 10 «I OH as the active ingredient 5 in which for a C ^ _ ^ -Alkyl group; : R ^ represents a (C-j ^ alkoxy ^ CC-j ^ alkyl) - or 15 a C ^ _2g alkyl group; and R3 is hydrogen or C 1-4 alkyl group, in an amount of 0.2 to 99.5% by mass and solid or liquid carrier or filler material and optionally other auxiliaries, preferably a surface-active Contains 20 substance and / or an adhesive in an amount up to 100% by mass. 2. Process for regulating the growth of plants, preferably to increase the binding of flowers and crops, harvest ripening, root formation and the 25 nutrient-storing plant parts, characterized in that the seeds, the plant parts of the vegetative pre-planting and flowers in an amount of 1 to 2000 ppm of active ingredient, or the soil of the plants before sowing in an amount of 0.001 to 5.0 g 2 30 active ingredient / m or after planting or lowering by watering in an amount of 1 to 2000 ppm of active ingredient can be treated with an agent according to claim 1.