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A kind of twig palm extract bactericide and preparation method thereof

A technology of extracts and fungicides, applied in the directions of botanical equipment and methods, fungicides, biocides, etc., to achieve obvious control effects and great application and promotion value.

Active Publication Date: 2020-07-31
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, studies on the agronomic activity of Carex broadleaf have not been

Method used

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  • A kind of twig palm extract bactericide and preparation method thereof
  • A kind of twig palm extract bactericide and preparation method thereof
  • A kind of twig palm extract bactericide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0022] Preparation of Thuja palm root extract:

[0023] Grind the dry palm root and pass through a 40-mesh sieve. Weigh 100kg of crushed palm palm in a reflux extraction kettle, add 300kg of 95% ethanol, heat to 75°C, extract for 6 hours; filter; add 95% ethanol to the filter residue to extract twice and filter repeatedly; combine and concentrate the filtrate obtained three times to 100kg, that is, the root extract of the palm tree.

[0024] Determination of the inhibitory activity of Cliff palm extract against plant pathogenic bacteria:

[0025] In this experiment, under in vitro conditions, the inhibitory activity of the extract of Cliff palmatum on plant pathogenic bacteria was determined. The experimental methods and test results are as follows:

[0026] 1. The strains to be tested:

[0027] Cucumber anthracnose, capsicum phytophthora, tomato cinerea, kiwifruit canker, and konjac soft rot were all provided by the Pollution-free Pesticide Research Service Center of North...

Embodiment 1

[0036] Embodiment 1: the preparation of Cliff palm soluble liquid

[0037] Weigh 25kg of palm palm extract, dissolve it with 35kg of methanol, add 15kg of sodium dodecylbenzenesulfonate, 4kg of ethylene glycol, and 0.3kg of polyvinyl alcohol under stirring, stir evenly, make up 100kg with deionized water, and then Get 100kg of twig palm soluble liquid.

Embodiment 2

[0038] Embodiment 2: the preparation of clover palm microemulsion

[0039] Weigh 25kg of Cliff palm extract and dissolve it in 30kg of methanol, add 15kg of calcium dodecylbenzenesulfonate and 5kg of styrene acid polyoxyethylene ether under stirring, then add 4kg of glycerin, and put the above solution in the homogenizer Heat to 40°C in medium temperature, add 26kg of deionized water under high-speed stirring; after the dropwise addition, stir for 45 minutes, and cool to obtain the twig palm microemulsion.

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Abstract

The invention discloses a Carex siderosticta Hance extracted product bactericide, and a preparation method thereof. The Carex siderosticta Hance extracted product bactericide is mainly prepared takinga Carex siderosticta Hance extracted product as a main component and adding of an auxiliary agent; the Carex siderosticta Hance extracted product bactericide is prepared into a micron emulsion or a soluble liquid preparation. An extraction method of the Carex siderosticta Hance extracted product comprises following steps: A, Carex siderosticta Hance root is dried at 60 DEG C, is cut into pieces,is smashed using a plant tissue pulverizer, and is sieved using a sieve of 40 meshes so as to obtain a powder; and B, the crude powder is subjected to solvent immersion extraction for 6 to 12h at 50 to 80 DEG C taking 95% alcohol as a solvent, and an obtained extract is subjected to vacuum concentration so as to obtain the extracted product. The Carex siderosticta Hance extracted product bactericide possesses curative effect on Kiwifruit Canker in fields, obvious curative effect on gray mold of tomatoes in greenhouse, and extremely high application and popularization value on organic agricultural product production.

Description

technical field [0001] The invention belongs to the technical field of pesticides, specifically relates to a pesticide and its preparation, in particular to a fungicide prepared by using the palm palm as a raw material and a method thereof. Background technique [0002] Cliff palm, also known as Carex broadleaf, is a plant of the genus Carex in the Cyperaceae family. Cyperaceae contains saponins, tannins, phenolic acids, flavonoids, alkaloids and terpenoids. Cyperus rotundus L. is the dry rhizome of Cyperus rotundus L. which has been reported in China at present. Bitter, slightly bitter, slightly sweet, neutral in nature. It has the effects of promoting qi and relieving depression, regulating menstruation and relieving pain. Indications of stagnation of liver Qi, chest, hypochondriac, wrist, abdominal pain, indigestion, irregular menstruation, amenorrhea and dysmenorrhea. This medicinal effect is similar to that of Carex broadleaf. The main study of its chemical composi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/40A01P3/00A01P1/00
CPCA01N65/00A01N65/40
Inventor 韩立荣郭恩辉闫合高保卫谢梓语冯俊涛张兴
Owner NORTHWEST A & F UNIV
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