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Preparation method of compound agent for prevention and treatment of astragalus powdery mildew

A compound agent and powdery mildew technology, which is applied in botany equipment and methods, biocides, fungicides, etc., can solve the problems of pathogenic bacteria resistance to pesticides, decreased efficacy, and frequent frequency of control medications, etc., to achieve the prevention and treatment of astragalus powdery mildew , Inhibit germination, increase the killing effect

Inactive Publication Date: 2019-08-23
金华市众鑫农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the occurrence of astragalus powdery mildew, due to the frequent use of pesticides by growers, large-area, high-dose, long-term use of a single systemic agent is prone to pathogen resistance to the agent, and the effect declines rapidly in a short period of time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A compound composition for preventing and treating astragalus powdery mildew and its weight portion include:

[0019] 55 servings of fermentation broth

[0020] 6 parts of surfactant

[0021] Rosmarinic acid 0.7 part

[0022] Chitosan 0.7 part

[0023] n-Butyl titanate 0.04 part

[0024] A preparation method of a compound agent for preventing and treating Astragalus powdery mildew, comprising the following steps:

[0025] 1) Combined fermentation of bacteria and enzymes: Add 5 parts of licorice herb residue and 8 parts of tea residue to 8 parts of animal feces, crush and stir evenly, add 0.5 part of surfactant, 0.02 part of vinyl ester resin, 3 parts of Bacillus subtilis The powder and 2 parts of protease were combined for 10d fermentation, filtered, and the filtrate was concentrated to obtain a lysate. Bacillus subtilis under the above fermentation conditions, especially under the condition that the fermentation material contains vinyl ester resin, the secretion o...

Embodiment 2

[0029] A compound composition for preventing and treating astragalus powdery mildew and its weight portion include:

[0030] 53 servings of fermentation broth

[0031] 7 parts of surfactant

[0032] 0.8 part rosmarinic acid

[0033] Chitosan 0.6 part

[0034] n-Butyl titanate 0.03 part

[0035] A preparation method of a compound agent for preventing and treating Astragalus powdery mildew, comprising the following steps:

[0036] 1) Combined fermentation of bacteria and enzymes: Add 4 parts of Coptis dregs and 8 parts of tea dregs to 7 parts of animal feces, crush and stir evenly, add 0.4 parts of surfactant, 0.03 parts of vinyl ester resin, 4 parts of Bacillus subtilis The powder and 2 parts of protease were combined for 15d fermentation, filtered, and the filtrate was concentrated to obtain a lysate. Bacillus subtilis under the above fermentation conditions, especially under the condition that the fermentation material contains vinyl ester resin, the secretion of antibac...

Embodiment 3

[0040] A compound composition for preventing and treating astragalus powdery mildew and its weight portion include:

[0041] 50 servings of fermentation broth

[0042] 5 parts of surfactant

[0043] Rosmarinic acid 0.6 part

[0044] Chitosan 0.8 part

[0045] n-Butyl titanate 0.04 part

[0046] A preparation method of a compound agent for preventing and treating Astragalus powdery mildew, comprising the following steps:

[0047]1) Combined fermentation of bacteria and enzymes: Add 5 parts of Artemisia argyi dregs and 7 parts of tea dregs to 8 parts of animal feces, crush and stir evenly, add 0.5 parts of surfactant, 0.02 parts of vinyl ester resin, 3 parts of Bacillus subtilis The powder and 2 parts of protease were combined for 10d fermentation, filtered, and the filtrate was concentrated to obtain a lysate. Bacillus subtilis under the above fermentation conditions, especially under the condition that the fermentation material contains vinyl ester resin, the secretion of...

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PUM

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Abstract

The invention discloses a preparation method of a compound agent for prevention and treatment of astragalus powdery mildew. The compound agent comprises the following components by weight: 40-60 partsof a glycolysis solution, 3-8 parts of a surfactant, 0.1-1 part of rosmarinic acid, 0.1-1 part of chitosan, and 0.02-0.04 part of tetrabutyl titanate. The invention has the beneficial effects that: because of the interaction of chitosan and tetrabutyl titanate in the above-mentioned compound agent, the compound agent can form a very thin film on astragalus leaves after use, thus prolonging the action time of the compound agent; rosmarinic acid can improve the killing power of active ingredients in the glycolysis solution to astragalus powdery mildew pathogen; the surfactant can improve the compatibility of the compound agent and astragalus leaves, all the components in the compound agent have coupling effect, can effectively inhibit the spore germination and appressorium formation of astragalus powdery mildew pathogen, and affect the morphology and structure of hypha cells, thus effectively preventing and treating astragalus powdery mildew.

Description

technical field [0001] The present invention is in the field of plant compounding agents, in particular to a preparation method of a compounding agent for preventing and treating astragalus powdery mildew. Background technique [0002] Astragalus is a perennial herb, 0.5-1.5 meters high, with straight and long roots, cylindrical, slightly woody, 20-50 cm long, 1.5-3 cm in diameter at the root head, light yellow to dark brown on the surface. Stems erect, branched, villous, singular pinnately compound leaves alternate, petiole base cuneate entire, white villous on both sides, no petioles. Racemes axillary, slightly longer than leaves, with 10-15 flowers, floret roots short covered with black bristles, bracts narrow; calyx and lobed tubular; butterfly-shaped corolla pale yellow, about 1.6 cm long, flag petals Triangular-shaped obovate, both wing and keel flaps have handle-like long claws. Astragalus has the characteristics of liking cool climate, strong drought tolerance and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/32A01N65/20A01N65/12A01N63/02A01N37/38A01N25/30A01P3/00
CPCA01N65/00A01N65/32A01N65/20A01N65/12A01N37/38A01N25/30A01N63/10
Inventor 方钰凌
Owner 金华市众鑫农业科技有限公司
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