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A kind of plant anti-drought agent and its application

A technology of drought resistance agent and plant, applied in the field of drought resistance agent for improving the drought resistance of plants, can solve problems such as side effects of plants, and achieve the effects of improving the drought resistance of plants, increasing the content of ABA and JA in the body, and enhancing the drought resistance.

Active Publication Date: 2021-06-01
SHANDONG COTTON RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Acetic acid is acidic and applied in large quantities may have adverse effects on plants

Method used

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  • A kind of plant anti-drought agent and its application
  • A kind of plant anti-drought agent and its application
  • A kind of plant anti-drought agent and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1, the determination of the core component potassium acetate concentration in the drought-resistant agent and the preparation of the drought-resistant agent

[0021] (1) determine potassium acetate concentration

[0022] The inventor of the present application utilizes the potassium acetate treatment cotton of clear water, 5mM, 10mM, 15mM and 20mM respectively (each processing: every pot 5 strains, 9 repetitions, totally 45 strains of cotton seedlings), do not water after processing, carry out after processing 10 days Rehydration treatment, statistical determination of cotton survival rate and cotton dry matter weight. It was found that potassium acetate treatment can enhance the drought resistance of cotton and improve the survival rate of cotton, and the survival rate of cotton seedlings treated with 10mM, 15mM and 20mM potassium acetate was 2.46 times, 2.65 times and 2.84 times higher than that of the clean water control respectively ( figure 1 ); 10mM an...

Embodiment 2

[0025] Embodiment two, anti-drought agent preparation and application

[0026] Prepare phosphate buffer solution, the dissolution formula of phosphate buffer solution is: disodium hydrogen phosphate: 0.089g, sodium dihydrogen phosphate: 0.165g, add about 800mL of deionized water and stir to dissolve, then add concentrated hydrochloric acid to adjust the pH to 6.5, and finally Dilute to 1L; then weigh 1.47g of potassium acetate and dissolve it in phosphate buffer solution, which is the anti-drought agent (concentration of potassium acetate is 15mM).

[0027] For indoor cultured plants, before the arrival of drought stress, the drought-resistant agent can be directly irrigated to the root system, which can improve the drought resistance of the plant and the survival rate under drought stress.

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Abstract

The invention provides a plant anti-drought agent and application thereof. The core component of the anti-drought agent of the present invention is potassium acetate. The present invention uses potassium acetate as the core component of the plant drought resistance agent for the first time, and dissolving the potassium acetate in the phosphate buffer can neutralize the alkalinity of the potassium acetate and eliminate the harm of high pH value to plants. Tests show that after the drought resistance agent is applied, the expression of ABA and JA synthesis genes in plants is increased, and the drought resistance of plants and the survival rate under drought stress are improved by increasing the contents of ABA and JA. Potassium acetate contains potassium ions in the anti-drought agent of the present invention, and phosphorus element is contained in the phosphate buffer solution, both potassium and phosphorus are essential nutrients for plants, and can serve dual purposes of fertilization and drought resistance. The anti-drought agent can be applied together with other inorganic fertilizers, organic fertilizers or plant nutrient solutions, which is convenient for application and provides an effective way for improving the drought resistance of crops.

Description

technical field [0001] The invention belongs to the field of agricultural biotechnology, and in particular relates to a drought-resistant agent for improving drought resistance of plants. The drought-resistant agent is mainly composed of potassium acetate, which can improve the drought-resistant ability of plants such as cotton. Background technique [0002] my country is a country with severe drought and water shortage. The total fresh water resources are 2.8 trillion cubic meters, and the per capita water resources are only 1 / 4 of the world's average level. It is one of the countries with the poorest per capita water resources in the world. Nearly half of my country's land is in arid and semi-arid regions. Drought stress seriously affects crop growth and yield. Under drought stress, on the one hand, plants promote root water uptake through strategies such as synthesizing and accumulating osmotic protection substances, and on the other hand, they reduce transpiration by re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/02A01N25/04A01P21/00C05G3/00C05G5/23
CPCA01N25/04A01N37/02C05B7/00C05G3/00
Inventor 孔祥强董合忠李晨阳罗振李维江唐薇张冬梅卢合全辛承松尹静
Owner SHANDONG COTTON RES CENT