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Selenium-rich rice cultivating process

A cultivation method and rice technology, applied in the cultivation field of selenium-enriched rice, can solve the problems of residues, unfavorable rice absorption, and many ingredients, and achieve the effects of less ingredients, increased selenium content, and reduced costs

Inactive Publication Date: 2005-04-27
杨容甫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no cultivation method report of selenium-enriched rice abroad, and the domestic prior art cannot do without the composition of using various organic fertilizers, inorganic fertilizers and selenium-containing substances to cultivate selenium-enriched rice. There are many ingredients in the composition used, which is not conducive to the rapid absorption of rice and there will be residue after absorption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Jingdao 21 planting field, weigh 4 grams of sodium selenate, 2 grams of potassium dihydrogen phosphate, mix evenly, dissolve in 400 grams of water, after dissolving, spray it on the rice leaf surface with an agricultural sprayer at the early stage of rice flowering and flowering superior. After spraying, if it rains, it should be re-sprayed once in time. The cultivated rice is processed to produce selenium-enriched rice. Using the 2,3-diaminonaphthalene fluorescence detection method, the selenium content per kilogram of rice is detected to be 0.24±0.02 mg.

Embodiment 2

[0017] In Yanyou No. 2 planting field, weigh 4 grams of potassium selenite, 1 gram of sodium selenite and 1 gram of diammonium hydrogen phosphate, mix them evenly, and dissolve them in 540 grams of water. Spray on rice leaves with an agricultural sprayer. After spraying, if it rains, it should be re-sprayed once in time. The cultivated rice is processed to produce selenium-enriched rice, and the selenium content per kilogram of rice is detected to be 0.18-0.28 mg by using the 2,3-diaminonaphthalene fluorescence detection method.

Embodiment 3

[0019] Jiayu 948 planting field, weigh 4 grams of ammonium selenate, 0.5 grams of disodium hydrogen phosphate, mix well, dissolve in 225 grams of water, after dissolving, spray it on the rice leaf surface with an agricultural sprayer at the early stage of rice flowering and flowering superior. After spraying, if it rains, it should be re-sprayed once in time. The cultivated rice is processed to produce selenium-enriched rice, and the selenium content per kilogram of rice is detected to be 0.20±0.03 mg by the fluorescence detection method of 2,3-diaminonaphthalene.

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Abstract

The selenium-rich rice cultivating process includes conventional cultivation and features that the selenium-rich agent is sprayed once during the earing up and flowering period of rice. The selenium-rich agent comprising selenium-containing inorganic compound and phosphate is dissolved in water of 50-90 times and sprayed to leaf of rice during the earing up and flowering period of rice. In case of rainy day after spraying, replenished selenium-rich agent is sprayed timely. The sprayed inorganic selenium will be converted completely into natural organic selenium, and the produced selenium-rich rice is non-toxic, and has the health functions of preventing common cold, preventing and treating hypertension and myocardial pathological changes, etc.

Description

technical field [0001] The invention relates to a cultivation method of selenium-enriched crops, in particular, the invention relates to a cultivation method of selenium-enriched rice and its application. Background technique [0002] Selenium is an essential micronutrient element for humans and animals. It has many important physiological functions, the most important of which is that selenium participates in the formation of glutathione in the form of selenocysteine ​​(SeCys) in humans and animals. Oxidase (GSH-Px), thereby removing excessive active oxygen free radicals in the body. Exogenous selenium can induce the increase of GSH-Px activity and the activity of catalase. When the body is in a state of selenium deficiency, the activity of GSH-Px decreases, causing the accumulation of lipid free radicals and peroxides, which may induce abnormal lipid peroxidation (LPO), leading to cell membrane damage, tissue damage, and tumorigenesis. The study found that within a certa...

Claims

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Application Information

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IPC IPC(8): A01G7/00A01G22/22A01N59/02
Inventor 杨容甫
Owner 杨容甫
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