Organic selenium-rich dendrobium candidum and cultivation method thereof

A technology of dendrobium candidum rich in organic selenium, applied in botany equipment and methods, fertilizer mixtures, horticulture, etc., can solve the problems of inability to produce different batches of dendrobium candidum and low selenium absorption efficiency, and achieve stable selenium content and good Effect of absorption effect, absorption efficiency improvement

Inactive Publication Date: 2012-11-28
SUZHOU SETEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: provide a kind of organic selenium-rich Dendrobium candidum and its cultivation method, solve the problem that the absorption efficiency of selenium in the production of Selenium-rich Dendrobium in the prior art is not high, and different batches of Dendrobium candidum cannot be produced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The mixture of sodium selenite and selenium-containing minerals, microbial fertilizer and sodium humate are uniformly mixed according to the ratio of 20:5:2, and mixed into the Dendrobium officinale matrix to make the selenium content 3 mg / kg. According to the conventional growth period management method of Dendrobium candidum, organic selenium-rich Dendrobium candidum was cultivated after three months. The total selenium content of the obtained organic selenium-rich Dendrobium candidum was 8.2 mg / kg, and the selenium content of subsequent harvested selenium-rich Dendrobium candidum fluctuated within 30%.

Embodiment 2

[0025] The mixture of sodium selenite and selenium-containing minerals, microbial fertilizer and sodium humate are uniformly mixed according to the ratio of 5:20:2, and mixed into the Dendrobium officinale matrix to make the selenium content 3 mg / kg. According to the conventional growth period management method of Dendrobium candidum, organic selenium-rich Dendrobium candidum was cultivated after three months. The total selenium content of the obtained organic selenium-rich Dendrobium candidum was 8.5 mg / kg, and the selenium content of subsequent selenium-rich Dendrobium candidum harvested between different batches fluctuated within 30%.

Embodiment 3

[0027] Sodium selenite plus a mixture of sodium selenate and selenium-containing minerals, microbial fertilizers and sodium humate are evenly mixed at a ratio of 5:5:1, and mixed into the Dendrobium officinale matrix to make the selenium content 3 mg / kg. According to the conventional growth period management method of Dendrobium candidum, organic selenium-rich Dendrobium candidum was cultivated after three months. The total selenium content of the obtained organic selenium-rich Dendrobium candidum was 8.7 mg / kg, and the selenium content of subsequent selenium-rich Dendrobium candidum harvested between different batches fluctuated within 30%.

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Abstract

The invention discloses an organic selenium-rich dendrobium candidum. Selenium content of the organic selenium-rich dendrobium candidum is 6.3-20 mg / kg, wherein the organic selenium content is greater than or equal to 80 percent. The invention also discloses a cultivation method of the organic selenium-rich dendrobium candidum. The cultivation method comprises the following steps of: adding a selenium source into a dendrobium candidum matrix; adding a microbial fertilizer and humic acid while adding the selenium source; and constituting a selenium-rich nutrient by the selenium source, the microbial fertilizer and the humic acid, wherein the selenium-rich nutrient comprises the components in percentage by weight: 5-20 percent of the selenium source, 5-20 percent of the microbial fertilizer and 1-2 percent of the humic acid; and the selenium source can be one or more, which are mixed at a random ratio, of selenate, selenite, selenium-containing ore processed products and nano-selenium nutrient (Suzhou Xigu Science and Technology Co., Ltd., model of XGP001A). The selenium absorption efficiency is high, and the selenium contents of different batches of dendrobium candidum are stable.

Description

technical field [0001] The invention relates to an organic selenium-rich dendrobium officinale and a cultivation method thereof, belonging to the field of cultivation technology. Background technique [0002] Selenium is an essential trace element for humans and animals. It has biological properties such as scavenging free radicals, anti-oxidation, anti-aging, anti-cancer, enhancing immunity, and antagonizing heavy metals. Selenium is generally divided into two categories: inorganic selenium and organic selenium: the former includes selenate, selenite, etc. Inorganic selenium is poorly absorbed by humans and animals, and has a high risk of toxicity. Improper use can easily cause selenium poisoning; the latter The former mainly refers to the form of selenium combined with biological organic molecules. For humans and animals, organic selenium has a high absorption rate and low toxicity risk, which is more suitable for the requirements of selenium supplementation. [0003] Den...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00C05G3/00
Inventor 鲁钰良
Owner SUZHOU SETEK
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