Selenium-rich foliar fertilizer for dendrobium officinale

A technology for selenium-enriched foliar fertilizer and Dendrobium officinale, applied in the directions of nitrogen fertilizer, magnesium fertilizer, phosphate fertilizer, etc., can solve the problems of inability to prevent and control Dendrobium candidum anthracnose, and not having the effect of preventing and controlling diseases and insect pests, so as to improve the control effect and reduce pesticide residues. , the effect of reducing the dose

Pending Publication Date: 2021-07-23
GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The object of the present invention is to provide a kind of selenium-enriched foliage fertilizer of Dendrobium candidum, to solve the problem that current selenium fertilizer is generally only used as a kind of fertilizer, does not have the effect of preventing and controlling diseases and insect pests, and can not prevent and treat anthracnose of Dendrobium candidum

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 : Indoor biological activity test of scopoletin and diacetonamine copper oxalate

[0020] Test object: take the leaves infected by the anthracnose pathogen of Dendrobium officinale, and obtain the anthracnose pathogen by separating and purifying in the laboratory;

[0021] Drugs to be tested: 98% scopoletin technical material, 85% diacetonamine copper oxalate technical material;

[0022] Test method: (Refer to "Pesticide Indoor Bioassay Test Guidelines for Fungicides Part 2: Test Plate Method for Inhibiting the Mycelia Growth of Pathogenic Fungi")

[0023] 1. Dissolve the test agent with ethanol, dilute it with 0.1% Tween-80 to prepare a single-dose mother solution respectively, set up multiple groups of proportions, and set 6-7 units of each single dose and each group of proportioned mixtures according to the equal ratio method Gradient mass concentration, spare;

[0024] 2. Under sterile conditions, quantitatively add the pre-thawed PDA medium into a ster...

Embodiment 2

[0037] A selenium-enriched foliage fertilizer of Dendrobium officinale, comprising the following components by weight percentage: 3% bactericidal composition, 20% urea, 12% superphosphate, 16% potassium nitrate, 0.7% zinc chloride, 1.1% ammonium molybdate, 0.075% sodium selenite, talc supplemented to 100%; wherein the bactericidal composition is compounded by scopoletin and pyraclostrobin, and the quality of the scopoletin and diacetonamine copper oxalate is 1 :10.

Embodiment 3

[0039] A selenium-enriched foliage fertilizer of Dendrobium officinale, comprising the following components by weight percentage: 8% bactericidal composition, 18% ammonium chloride, 20% potassium nitrate, 13% calcium superphosphate, 0.5% zinc sulfate, 0.8% molybdic acid Sodium, 0.2% manganese sulfate, 0.1% copper nitrate, 0.1% sodium nitrite, bentonite supplemented to 100%; wherein the bactericidal composition is compounded by scopoletin and diacetonamine copper oxalate, and the scopolamine The mass ratio of lactone and diacetonamine copper oxalate is 1:10.

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Abstract

The invention relates to the technical field of medical fertilizers, in particular to a selenium-rich foliar fertilizer for dendrobium officinale. The selenium-rich foliar fertilizer is characterized by comprising the following components in percentage by weight: 0.5-10% of a bactericidal composition, 30-60% of a macroelement fertilizer, 0.5-0.7% of a zinc fertilizer, 0.8-1% of a molybdenum fertilizer, 0.05-0.1% of a selenium fertilizer and the balance of filler 100%, wherein the bactericidal composition is formed by compounding scopoletin and diacetone amine copper oxalate. The selenium-rich foliar fertilizer for dendrobium officinale can provide nutrient elements required by growth of dendrobium officinale, especially can provide selenium, so that the selenium content of dendrobium officinale can be increased when the foliar fertilizer is sprayed; and secondly, when scopoletin and diacetone amine copper oxalate in the bactericidal composition are compounded, the bactericidal composition has an obvious synergistic effect on the anthracnose of the dendrobium officinale, so that the prevention and treatment effect on the anthracnose of the dendrobium officinale can be improved, the application dosage of pesticides can be reduced, and pesticide residues can be reduced.

Description

technical field [0001] The invention relates to the technical field of medicinal fertilizers, in particular to a selenium-enriched foliar fertilizer of dendrobium candidum. Background technique [0002] Dendrobium candidum is a herbaceous plant of Orchidaceae. It is born on the semi-shady rocks of high-altitude mountains. It is mainly distributed in Anhui, Zhejiang, Fujian and other places in my country. Its stems are used as medicine. It has high medicinal value such as the effect of improving eyesight and strengthening the waist. At present, Dendrobium candidum can also be cultivated through artificial cultivation. Compared with wild cultivation, its temperature, humidity, light intensity and length can be controlled artificially, which can create a good growth environment for Dendrobium candidum. [0003] During the planting process of Dendrobium candidum, various diseases and insect pests will appear, among which anthracnose of Dendrobium candidum is a common disease. D...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/60
CPCC05B1/02C05G3/60C05C3/00C05C5/02C05C9/00C05D5/00C05D9/02C05C5/00C05D9/00
Inventor 刘永贤王冬梅谭骏潘丽萍
Owner GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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