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Plant antitranspirant and using method thereof

An anti-transpiration agent, plant technology, applied in the directions of botanical equipment and methods, plant preservation, application, etc., can solve the problems of affecting photosynthesis, poor water solubility, high cost, etc., and achieves low cost, simple preparation and obvious effect. Effect

Inactive Publication Date: 2011-10-12
SHANXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned anti-transpiration agents have been widely used in production practice, but a series of problems have also been exposed: excessive toxicity (mercurybenzene acetate), high cost (ABA), poor water solubility (fulvic acid), and influence on photosynthesis (thin film type) and so on
[0004] Sodium hydrosulfide is generally used as a chemical raw material, and it has not been reported as a plant anti-transpiration agent

Method used

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  • Plant antitranspirant and using method thereof
  • Plant antitranspirant and using method thereof
  • Plant antitranspirant and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1. takes by weighing sodium hydrosulfide monohydrate (NaHS·H 2 O) Add water to prepare a 100 μmol / L aqueous solution, and the treatment solution is ready-to-use. Spray on living Arabidopsis thaliana, and observe the stomata of the lower epidermis of the leaves after 6 hours, such as figure 1 (Right) shows a decrease in most stomatal openings compared to the control (left).

Embodiment 2

[0017] Embodiment 2. Take sodium hydrosulfide monohydrate (NaHS·H 2 O) Add water to prepare a 100 μmol / L aqueous solution, and the treatment solution is ready-to-use. Spray on the living Arabidopsis thaliana, take the leaves at random after 6 hours, and measure the increase of its relative water content compared with the control, the results are shown in figure 2 .

Embodiment 3

[0018] Example 3. During the continuous drought of Arabidopsis thaliana for 15 days, the leaves were sprayed with distilled water (control) and 100 μmol / L NaHS solution respectively, and the growth of the plants was observed. Depend on image 3 It can be seen that the withering speed of the sprayed plant leaves is slower, and the survival rate after re-watering is 60% higher than that of the control group.

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Abstract

The invention provides a plant antitranspirant which is a 10-500mu mol / L sodium hydrosulfide water solution. When in use, the fresh plant antitranspirant is prepared as needed and sprayed and applied on the surfaces of stems and leaves of a plant. Compared with the prior art, the plant antitranspirant has the advantages of obvious plant antitranspirant effect, good water solubility, low cost, safety, no toxicity and simpleness in preparation. The plant antitranspirant can simultaneously supplement sulfur (S) and sodium (Na) required for the plant, and plays a role as a foliage fertilizer.

Description

Technical field: [0001] The invention relates to a plant anti-transpiration agent, in particular to a sodium hydrosulfide aqueous solution as a plant anti-transpiration agent and a method for using the same. Background technique: [0002] With the impact of global warming and human activities, water resources have gradually become one of the main factors restricting social and economic development. In my country, agriculture is the basic industry of the national economy, but due to the uneven distribution of water resources and backward basic water conservancy facilities, the water utilization rate of agricultural irrigation is only 40%. According to the survey, China's desertified land is 2.62 million square kilometers, which is more than twice the total area of ​​cultivated land in the country, and it continues to show an expanding trend. Serious ecological crisis makes water resources more precious, and water resource crisis and frequent droughts interact with each other...

Claims

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Application Information

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IPC IPC(8): A01N3/00C05D9/00
Inventor 金竹萍裴雁曦张丽萍乔增杰于鑫沈洁洁
Owner SHANXI UNIV
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