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Wheat grain zinc and selenium synchronous enrichment method

A technology of wheat grains and wheat, applied in the field of agriculture, to achieve the effect of reducing the molar ratio and increasing the bioavailability

Pending Publication Date: 2020-02-25
NORTHWEST A & F UNIV
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Problems solved by technology

In addition, the optimal spraying technique (spraying concentration, time, etc.) of combined spraying of zinc and selenium, and the effects of joint spraying on other nutritional elements of wheat grains still need to be clarified

Method used

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  • Wheat grain zinc and selenium synchronous enrichment method
  • Wheat grain zinc and selenium synchronous enrichment method
  • Wheat grain zinc and selenium synchronous enrichment method

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Experimental program
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Embodiment Construction

[0033] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation.

[0034] 1. Material method

[0035] 1.1 General situation of test site and test design

[0036]The experiment was carried out at the First Farming Station of Northwest A&F University from 2017 to 2019 (34°17′56″N, 108°4′7″E). The test soil belongs to the genus Red Oil Soil of the cinnamon soil subclass of the loess parent material, and the type is soil cushion dry farming man-made soil. The basic physical and chemical properties of the soil before the test were: pH 8.32 (water-soil ratio = 2.5:1), organic matter 18.94g / kg, total nitrogen 0.969mg / g, available phosphorus 9.06mg / kg, available potassium 140.1g / kg, CaCO 3 65.1g / kg, DTPA-Zn 0.72mg / kg, available selenium 0.095mg / kg. The contents of available zinc and available selenium in the tested soil were at the potential deficiency level, and the tested wheat was ...

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Abstract

The invention discloses a wheat grain zinc and selenium synchronous enrichment method. Winter wheat serves as a research object and is sprayed 7 days after blooming, the zinc and selenium enrichment effect of wheat grains after zinc and selenium are cooperatively sprayed is discussed, the purpose is to increase the selenium content of the wheat grains while the zinc content of the grains is not affected, and a certain theoretical basis can be provided for practically and effectively achieving simultaneous zinc and selenium enrichment of the wheat. The method has the following conclusions that(1) the yield of the wheat is not influenced by zinc and selenium matched spraying; (2) the zinc content of the grains does not reach a zinc-rich standard without selenium spraying processing, the selenium content of the grains does not reach a selenium-rich standard without zinc spraying processing, and the zinc and selenium in the wheat grains achieve an enrichment effect after zinc and the selenium are cooperatively sprayed, and (3) the phytic acid / zinc molar ratio can be remarkably reduced after the zinc and the selenium are cooperatively sprayed, the zinc effectiveness of grains is improved, and meanwhile, the biological effectiveness of the selenium is not influenced. Therefore, under the condition of a potential zinc deficiency and low selenium soil, zinc and selenium can be cooperatively sprayed on leaf surfaces for zinc and selenium synchronous biological enhancement of the wheat grains.

Description

technical field [0001] The invention belongs to the technical field of agriculture and relates to a method for synchronously enriching two elements of wheat grain, zinc and selenium. Background technique [0002] Zinc and selenium are essential trace elements for the human body. Zinc deficiency in the human body will reduce metabolic function and resistance, cause heart and respiratory diseases, increase mortality and disease rates, and selenium deficiency will affect the human immune system, stimulate the toxicity of microvirus B19 (HPVB19), cause Kashin-Beck disease, Mountain disease, etc. (Jaksch et al.1972; Li Jiyun 1979). The human body cannot synthesize zinc and selenium by itself, so it is particularly important to increase the intake of these two elements in the diet. As the staple food of half of the population in China, wheat can provide about 20% of the zinc source (Ma et al.2008), and it is also one of the staple food crops with the strongest selenium enrichmen...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N21/31G01N21/33G01N21/64G01N33/00
CPCG01N1/28G01N21/3103G01N21/6404G01N21/33G01N33/00
Inventor 师江澜费沛雯王少霞宁鹏田霄鸿
Owner NORTHWEST A & F UNIV
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