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Plant source sterilizing composition

A composition and plant-derived technology, applied in the field of pesticide application, can solve problems such as no relevant reports, and achieve the effects of environmental safety and friendliness, delaying the generation of drug resistance of pathogens, and obvious synergies.

Inactive Publication Date: 2017-11-24
广西南宁市田园聚丰农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no relevant report on the application of the composition of Artemisia captiva extract and Lentinan as active ingredients in the prevention and treatment of rice black-streaked dwarf disease

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0013] 1. Preparation of Artemisia capillaris extract

[0014] The preparation method of the Artemisia capillaris extract is as follows:

[0015] Wash the tender seedlings of Artemisia annua, dry them in the shade, pulverize them with a pulverizer, and pass through a 60-mesh sieve; use the conventional supercritical carbon dioxide extraction method for the pulverized Artemisia annua, the extraction conditions are: the extraction temperature is 50°C, and the extraction pressure is 35MPa , the flow rate of carbon dioxide is 50L / h, and the extraction time is 2h, and the Artemisia annua extract is obtained.

[0016] 2. Indoor toxicity determination of Artemisia captiva extract, Lentinan and their compound against rice black-streaked dwarf disease

[0017] Test method: Feed planthoppers with diseased plants to infect planthoppers, and the rate of infection is about 35% after testing. Potted healthy rice plants are used for inoculation. When the seedling grows to 1 leaf and 1 hea...

Embodiment 1

[0023] Example 1: 35% Artemisia capillary extract · Lentinan wettable powder (6:1)

[0024] Take by weighing 30% of Artemisia annua extract (active ingredient), lentinan (active ingredient) 5%, lignosulfonate (dispersant) 4.5%, saponin powder (wetting agent) 4%, white carbon black ( Filler) 10%, kaolin (filler) to make up to 100%; each component is mixed evenly in the mixing tank, after being pulverized by a jet mill and then mixed evenly, 35% Artemisia capillaris extract · Lentinan can be obtained Wet powder.

Embodiment 2

[0025] Example 2: 48% Artemisia capillary extract · Lentinan water dispersible granule (5:1)

[0026] Take by weighing Artemisia capillaris extract (active ingredient) 40%, lentinan (active ingredient) 8%, polycarboxylate (dispersant) 5%, calcium dodecylbenzenesulfonate (wetting agent) 4.5%, Starch (binder) 3%, ammonium carbonate (disintegrant) 3%, diatomaceous earth (filler) make up to 100%; each component is air-pulverized together to obtain the required particle size, and the granulation material is obtained. Quantitatively send the material into the fluidized bed granulation dryer for granulation and drying to obtain 48% Artemisia capillary extract·lentinan water-dispersible granules.

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PUM

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Abstract

The invention relates to a plant source sterilizing composition, the effective ingredients of the plant source sterilizing composition comprise an artemisia capillaris extract and lentinan, and the weight ratio of the artemisia capillaris extract to the lentinan is (3-10):(1-2). The sterilizing composition takes the natural plant ingredients, the artemisia capillaris extract and the lentinan, as the effective ingredients to prevent the rice diseases, the synergistic interaction is obvious, the production of drug resistance of germs is delayed, no residue is left, the plant source sterilizing composition is safe and friendly for the crops and the environment, is suitable for the sustainable development direction of agriculture, and is worthy of popularization and application.

Description

technical field [0001] The invention relates to the technical field of pesticide application, in particular to a plant source fungicidal composition. Background technique [0002] Artemisia capillaries is a plant belonging to the genus Artemisia in the family Asteraceae. Artemisia capillaris was first recorded in the tender seedlings of Artemisia capillaris in "Shen Nong's Materia Medica". Harvest seedlings in early spring, remove old stems and impurities and dry them in the sun. The seedlings are mostly curled into balls, gray-green, densely covered with white hairs, soft as velvet. Artemisia annua has a specific aroma and slightly bitter taste. Distributed in Jiangxi, Jiangsu, Anhui, Hubei, Zhejiang, Shaanxi, Hebei, Shandong, Guangdong, Guangxi and other provinces. The basal leaves, young shoots and young leaves picked in early spring in February and March are used as medicine. The traditional Chinese medicine is called "Yinchen", "Yinchen" or "Mianyinchen", which cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/12A01N43/16A01P1/00
CPCA01N65/00A01N43/16A01N65/12
Inventor 李桂香
Owner 广西南宁市田园聚丰农业科技有限公司