DD284399A5 - MEANS TO INCREASE THE EFFECTIVE USE OF WATER USES OF AGRICULTURAL CULTURAL PLANTS - Google Patents

Abstract

The invention relates to means for increasing the yield-effective use of water in the Prozesz the biological production of crops, especially cereals. The problem of improved water utilization is solved by administering as active ingredient 2-aminoethylsulfuric acid of formula 1 HOSO2OCH2CH2NH2 (formula 1) to crop plants. Stresztoleranz; Water use; 2-aminoethylsulfuric acid; income}

Description

Means for increasing the yield of agricultural crops in terms of yield

Field of application of the invention

The invention relates to agents which are used in crops to increase the utilization of the production factor of water in the yield formation process.

Characteristic of the known technical solutions

The current state of the technical solutions is mainly characterized by the fact that with the help of antiperspirant chemicals water utilization should be improved. The water-saving effect of the effectors is achieved either by temporary stoma aperture reduction or by formation of water-vapor-permeable molecular films on sheets.

To stomataschließenden chemicals include Thenylphosphoniumsalze (DD-PS 02149), Phenylquecksilberacetat (DD-PS 217975), Carbamoylaraino-I ^^ - Thiodiazole (DD-PS 103124), aliphatic hydroxy, epoxy and Ketomonocarbonsäuren (DD-PS 96002, DD -PS 75420, DE-OS 1767829) and decenylsuccinic acid (DE-OS 1767829), aryl sulfonates, N-benzylimidazoles (DD-PS 85224) and chloroethanthio: aophosphonsäuredichlorid (DD-PS 85224).

Water vapor permeable films form prepolymers of known polymerizing material classes, silicone oils, natural waxes and paraffin waxes, such as petroleum waxes with the addition of sorbitan monooleate as emulsifiers (DE-OS 1767100); the latter preparations at the same time stimulate plant growth (DE-OS 1767427).

Water-impermeable films also form alcohols having a chain length of C ₁₁ to C ₂₂ in admixture with ethylene oxide plus oleic acid and silicon compounds (US Pat. No. 2,333,887, US Pat. No. 2,923,095).

The disadvantage of the drastically antiperspirant substance groups is that photosynthesis and biological production of substances are inhibited parallel to transpiration. Under climatic conditions with only temporary moderate dryness, the effect of photosynthetic inoculation caused by the effect of many factors leads to yield depressions in plant production.

With Absoisinsäure (ABA) - a phytohormone - an endertragswirksaroe improved water utilization is achievable only with 4 to 10 doses. At the same time a repeated ΑΒΑ-use leads to a restriction of the yield potential, so that no maximum yields can be achieved. 1-Triaoontanol effects (DE-OS 2722384) are linked to specific requirements. In addition, the substance production is costly.

Known phyto-effectors (chloroholine chloride, ethrel), which are used to regulate growth, improve sporadic and inadequate initial use of water.

The low-yielding water-saving effects of dimethyl sulfoxide (DD-PS 123141, SU-PS 1017252) are faced with occupational hygiene disadvantages. The positive influence of ethanolamine (DD-PS 151104), biolipids (DD 217975) and certain fatty acids (DD-PS 226472) has certain environmental and genotype dependencies and is only detectable in dry stress.

Object of the invention

The aim of the invention is to develop means for increasing the utilization of water in the yield formation process of crops that increase productivity with different water supply. In addition, the funds should be toxicologically and environmentally harmless.

Explanation of the essence of the invention

The invention has for its object to develop for crops means that increase the utilization of water in the biological production of substances with different water supply and

thereby promoting productivity.

The object is achieved by the invention that means for productivity-enhancing increase the water utilization of crops, in particular of Gstreide with different water supply, in addition to conventional auxiliaries and carriers as active ingredient 2-Aminoethylsohwefelsäure of formula 1 included

HO-SO ₂ -O-CH ₂ -CH ₂ -NH ₂ (Formula 1).

embodiments example 1

Influence of the agent according to the invention on water utilization and biological production of winter wheat

The effect of the agents according to the invention was determined in a small vessel experiment. The Pflanzanzuoht was carried out according to standard regulations on Quarzoand (1.5 kg per vessel), the following nutrient amounts per vessel were mixed: 120 mg P, 170 mg Ca, 150 mg K, 190 mg N, 70 mg Mg, 270 ul FeCl ^ solution (10 %) and 270 μΐ AZ (a) solution to HOAGLAND (diluted 1:20). In each vessel, 15 plants were cultivated, the moistening of the substrate corresponded to 50 % of the maximum water capacity. The water consumed by evapotranspiration was determined by repeated weighing of the test vessels and replaced after each weighing. The water utilization (WUE) resulted from:

WUE = produced dry biomass g ⁼ used water Kg

Table 1: BINFLOW of the compositions according to the invention on the utilization of water (WUE) and the production of substances in winter wheat

medium Dose ^j; (Mg / cont.) WUE (g.kg- ¹ ) WUE increase * ⁾ (g.kg ~ ¹ ) (rel.) (20O) ⁺ (105) P (mg / Gef.) P increase ² ^ (mg / ref.) (Rel.) (219) ⁺ (-33S) ⁺ ES ⁴ > PQA ⁵ ) 1.5 2.0 4:35 4:17 0.38 0.20 (100) 1040 778 103-159 (100) EA ⁶ > without 1.5 4.16 3.97 0.19 984 937 47

fourfold repetition

2) ' WUE and P increase determined as increase over control. The relative numbers

refer to the standard preparation EA. • 3 ^ ^J ' spray application to DC 12; Harvest to DC ^J ES = 2-aminoethyl sulfuric acid

Phenylmercuric acetate (as antiperspirant) Mnnoetha + cc - 0.05

'Mnnoethanolamine (as Standai'd)

Example 2 Influence of the agent according to the invention on the use of water-borne acid and cora yield in spring barley

Table 2; Influence of the agent according to the invention on the utilization of water in the grain yield formation process (WUE) and the grain dry matter (KTM) in spring barley 'Salome' in the vial test '')

Mattel Dose ^3; (Mg / cont.) WUE WUE increase ^ ^} (g.kg ~ ¹ ) Orel.) (283) ⁺ KTM (g / Gef.) KTM increase ^ (g / Gef.) (Rel.) (176) ES ⁴⁾ 10 2.31 0.17 (100) 59.9 3.7 (100) EA ⁵⁾ without 10 2,20 2,14 0.06 58.3 56.2 2.1

'fourfold repetition

' WUE and grain dry mass (KTM) increase determined as increase over the control, The relative values refer to the standard preparation EA.

³ 'spray application to DC 31/32; about 5.1O ~ ³ molar solution ^ 'EA - 2-aminoethylsulfuric acid

⁵ ^ EA = monoethanolamine (as standard)

Example 3 Influence of the agent according to the invention on water utilization; and grain yield in winter wheat

Tabe .le 3: Influence of the agent according to the invention on the water utilization in the grain yield formation process (WUE) and the grain dry mass (KTM) in winter wheat "Miras * in a pot experiment")

medium Dose (mg / Gef.) WUE Cg.kg " ¹ ) WUE elevation ^ (g.kg ~ ¹ ) (rel.) (175) KTM (g / Gef.) KTM increase ^ (g / Gef.) (Rel.) (180) ES ⁴ ^ 10 1.97 0.14 (100) 58.8 3.6 (100) EA ^ without 10 1.91 1.83 0.08 57.2 55.2 2.0

ne »1.83 - 55.2

fourfold repetition

2 ) ' WUE and grain dry matter (KTM) enhancement determined as increase over control.

The relative values relate to the standard preparation EA. ^ 'Spray application to DC 31/32; about 5.10 "^ molar aqueous solution

'ES = 2-aminoethylsulfuric acid ^ * monoethanolamine (as standard) ro

It is evident from the examples (Tables 1 to 3) that the composition according to the invention has increased the use of wasaer and resulted in increased biomass formation (Table 1) and increased grain yields in spring barley (Table 2) and winter wheat (Table 3).

Although the known antiperspirant substance phenylqueoksilberacetat also caused an increased water utilization, but which was associated with a reduced biomass formation (Table 1) * Compared to the standard preparation monoethanolamine was achieved by the inventive agent significantly improved Wasererausnutzung and higher grain yields.

Claims (2)

claim Agent for increasing the yield of water used in the yield formation process of crops, in particular of cereals auoh with adequate water supply, characterized in that they in addition to conventional excipients and carriers as the active ingredient 2-Aminoethylsohwefelsäure the formula 1 included HO-SO ₂ -O-CH ₂ -OH ₂ -KH ₂ (Formula 1).