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Pharmaceutical composition for preventing and controlling diseases and pests in seedling stage of organic tea garden

A seedling stage, pest and disease technology, which is applied in the field of pharmaceutical compositions for preventing and controlling pests and diseases at seedling stage of organic tea gardens and the field of preparation thereof, can solve the control requirements of low insecticidal effect, failure to meet stable and long-term effects, and short duration of field efficacy. And other issues

Active Publication Date: 2020-10-23
TEA RES INST ANHUI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Biopesticides are directly using biologically produced active substances or living organisms as pesticides, as well as artificially synthesized pesticides with the same structure as natural compounds. Although they are environmentally friendly and do not pollute the environment, they have a short duration of efficacy in the field and are susceptible to The influence of environmental factors such as sunlight, temperature and humidity leads to low insecticidal effect and fails to meet the requirements of stable and long-term control

Method used

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  • Pharmaceutical composition for preventing and controlling diseases and pests in seedling stage of organic tea garden
  • Pharmaceutical composition for preventing and controlling diseases and pests in seedling stage of organic tea garden

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for preparing a pharmaceutical composition for preventing and controlling organic tea plantation seedling stage diseases and insect pests, comprising the steps of:

[0028] S1. Stir 5kg of berberine, 16kg of annonaline, 1kg of polyoxyethylene octylphenol ether-10, and 40kg of ethanol for 10 minutes at a stirring temperature of 60°C and a stirring speed of 1000r / min to obtain a premix;

[0029] S2. Add 25kg of sodium bentonite to 40kg of water and stir to form a slurry, add 2kg of octadecyltrimethylammonium chloride and 0.1kg of sodium pyrophosphate and stir for 4 hours at a stirring speed of 1000r / min, filter, wash with water, dry, and pulverize Obtain pretreatment bentonite;

[0030] S3. Send 40kg of pretreated bentonite, 2kg of eucalyptus magnanimum essential oil, 5kg of tea tree oil, and 1kg of peppermint oil into a grinder for grinding for 10 minutes. The grinding speed is 10000r / min, the grinding pressure is 1.4MPa, and the grinding temperature is controll...

Embodiment 2

[0034] A method for preparing a pharmaceutical composition for preventing and controlling organic tea plantation seedling stage diseases and insect pests, comprising the steps of:

[0035] S1. Stir 15kg of berberine, 8kg of anemoneine, 2kg of polyoxyethylene octylphenol ether-10, and 20kg of ethanol for 20 minutes at a stirring temperature of 50°C and a stirring speed of 2000r / min to obtain a premix;

[0036] S2. Add 15kg of sodium bentonite to 60kg of water and stir to form a slurry, add 1kg of octadecyltrimethylammonium chloride and 0.2kg of sodium pyrophosphate and stir for 2 hours at a stirring speed of 2000r / min, filter, wash with water, dry, and pulverize Obtain pretreatment bentonite;

[0037] S3. Send 20kg of pretreated bentonite, 6kg of eucalyptus magnanimum essential oil, 1kg of tea tree oil, and 2kg of peppermint oil into a grinder for grinding for 4 minutes. The grinding speed is 12000r / min, the grinding pressure is 1.2MPa, and the grinding temperature is controlle...

Embodiment 3

[0041] A method for preparing a pharmaceutical composition for preventing and controlling organic tea plantation seedling stage diseases and insect pests, comprising the steps of:

[0042]S1. Stir 8 kg of berberine, 14 kg of annonaline, 1.2 kg of polyoxyethylene octylphenol ether-10, and 35 kg of ethanol for 13 minutes at a stirring temperature of 57° C. and a stirring speed of 1200 r / min to obtain a premix;

[0043] S2. Add 22kg of sodium bentonite to 45kg of water and stir to form a slurry, add 1.7kg of octadecyltrimethylammonium chloride and 0.12kg of sodium pyrophosphate and stir for 3.5 hours at a stirring speed of 1300r / min, filter, wash with water, and dry , pulverized to obtain pretreated bentonite;

[0044] S3. Put 35kg of pretreated bentonite, 3kg of eucalyptus eucalyptus essential oil, 4kg of tea tree oil, and 1.3kg of peppermint oil into a grinder for grinding for 8 minutes. The grinding speed is 10500r / min, the grinding pressure is 1.35MPa, and the grinding temper...

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Abstract

The invention discloses a pharmaceutical composition for preventing and controllting diseases and insect pests in a seedling stage of an organic tea garden, and also discloses a preparation method ofthe pharmaceutical composition for preventing and controlling diseases and insect pests in the seedling stage of the organic tea garden. The preparation method comprises the following steps: stirringberberine, anonaine, polyoxyethylene octylphenol ether-10 and ethanol to obtain a premixed solution; adding sodium bentonite into water, stirring to form slurry, adding octadecyl trimethyl ammonium chloride and sodium pyrophosphate, stirring, filtering, wdusting, drying and crushing to obtain pretreated bentonite; grinding the pretreated bentonite, eucalyptus grandis essential oil, tea tree oil and peppermint oil for 4-10 minutes at the grinding speed of 10000-12000 r / min and the grinding pressure of 1.2-1.4 MPa, controlling the grinding temperature to be less than or equal to 40 DEG C, addinga metarhizium anisopliae agent, and uniformly mixing to obtain pretreated essential oil; and fully stirring the pretreated essential oil and the premixed solution, then adding a coalescing agent, uniformly stirring, drying and crushing to obtain the pharmaceutical composition for preventing and controlling diseases and insect pests in the seedling stage of the organic tea garden.

Description

technical field [0001] The invention relates to the technical field of tea garden management, in particular to a pharmaceutical composition for preventing and treating pests in the seedling stage of organic tea gardens and a preparation method thereof. Background technique [0002] Tea is a drink made from the leaves or buds of the tea tree plant that originated in China. It is the current mainstream drink in China and plays an important role in entertaining guests and giving gifts to friends. Tea refers to the leaves and buds of the tea tree, also known as 槚, Ming, and 荈. The tea polyphenols contained in tea have strong antioxidant properties and physiological activities. They are scavengers of free radicals in the human body and can block the synthesis of various carcinogens such as amine nitrite in the body. [0003] At present, tea production is gradually becoming intensive. The existing tea tree planting process requires the prevention and control of diseases and insec...

Claims

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Application Information

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IPC IPC(8): A01N65/28A01N65/22A01N65/08A01N43/90A01N63/30A01N25/08A01N25/26A01P7/02A01P7/04A01P17/00
CPCA01N25/08A01N25/26A01N43/90A01N65/00A01N65/08A01N65/22A01N65/28A01N63/30
Inventor 叶涛程安东张家侠孙钦玉张冉葛超美陈伟立丁勇张必桦吴秀俊
Owner TEA RES INST ANHUI ACAD OF AGRI SCI
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