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A plant-sourced fungicide for cucumber downy mildew control

A botanical fungicide, cucumber downy mildew technology, applied in the direction of fungicides, plant growth regulators, biocides, etc., can solve the problems of inability to prevent and control diseases, increase the amount of application, etc., to achieve resistance and produce resistance , Environmentally friendly effect

Inactive Publication Date: 2016-06-08
张福民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Chemical agents play an important role in the prevention and control of diseases and insect pests, but long-term use has made the frequency of resistance to diseases and insect pests in most areas 50%, and the resistance level is as high as 10,000 times. environmental and human health pressures

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0015] Raw materials in parts by weight: 6 parts of barley seedlings, 3 parts of poinsettia, 5 parts of oleander, 6 parts of holly, 3 parts of white snakeroot, 3 parts of coptis, 8 parts of purslane, 3 parts of clove, 6 parts of thistle , 10 parts of Artemisia annua, 4 parts of Pulsatilla, 2 parts of Ephedra, 2 parts of Ephedra, and 4 parts of Sophora flavescens.

[0016] The barley is a wheat seedling with a height of 15-20 cm.

[0017] Described bitter bark vine is bitter bark vine aril.

[0018] The preparation method of the present invention: (1) take the used raw material by weight and remove the impurities on the surface, fry and dry in a large pot or dry in a dryer, pulverize through a common pulverizer, and pass through a 100-mesh sieve; (2) ) Add ethanol for extraction at room temperature, add the amount of ethanol to cover the surface of the mixture, shake it for 5-15 minutes, and then let it stand for extraction for 3-5 hours; (3) filter and centrifuge at 3000 rpm ...

example 2

[0020] Raw materials in parts by weight: 8 parts of barley seedlings, 8 parts of poinsettia, 8 parts of oleander, 10 parts of holly, 5 parts of white snakeroot, 6 parts of coptis, 10 parts of purslane, 7 parts of clove, 9 parts of thistle .

[0021] The barley is a wheat seedling with a height of 15-20 cm.

[0022] Described bitter bark vine is bitter bark vine aril.

[0023] The preparation method of the present invention: (1) take the used raw material by weight and remove the impurities on the surface, fry and dry in a large pot or dry in a dryer, pulverize through a common pulverizer, and pass through a 100-mesh sieve; (2) ) Add ethanol for extraction at room temperature, add the amount of ethanol to cover the surface of the mixture, shake it for 5-15 minutes, and then let it stand for extraction for 3-5 hours; (3) filter and centrifuge at 3000 rpm for 5 Minutes, the centrifuged liquid was collected and distilled at 70°C to recover ethanol, and the concentrated liquid wa...

example 3

[0025] 8 parts of barley seedlings, 3 parts of poinsettia, 5 parts of oleander, 7 parts of holly, 4 parts of white snakeroot, 5 parts of coptis, 8 parts of purslane, 7 parts of clove, 9 parts of thistle, 11 parts of annua, pulsatilla 5 parts, 3 parts of bitter bark vine, 2 parts of ephedra, 6 parts of sophora flavescens.

[0026] Preparation method is identical with example 1;

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PUM

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Abstract

The invention relates to the technical field of plant disease and pest control, and particularly relates to a plant-sourced fungicide for cucumber downy mildew control. Components having fungicidal functions are extracted from plants and composited into the fungicide that is efficient, nontoxic, plant-sourced and good in downy mildew control effects. According to a technical scheme, the fungicide comprises following raw materials by weight: 5-10 parts of barley seedlings, 2-10 parts of euphorbia pulcherrima, 5-8 parts of sweet-scented oleander, 4-12 parts of ilex, 2-6 parts of eupatorium rugosum, 3-8 parts of golden thread, 6-10 parts of purslane herb, 2-8 parts of clove, 5-9 parts of Japanese thistle herb, 10-12 parts of sweet wormwood herb, 3-9 parts of Chinese pulsatilla root, 1-6 parts of celastrus angulatus, 1-5 parts of ephedra and 1-10 parts of lightyellow sophora root, wherein the barley are seedlings the height of which is 15-20 cm, and the celastrus angulatus relates to celastrus angulatus arils. The fungicide is advantaged by a high efficiency, a low cost, capability of being environmental friendly, difficult generation of drug resistance, no harm to human and livestock, and capability of effectively controlling the downy mildew.

Description

technical field [0001] The invention relates to the technical field of plant disease and insect pest control, in particular to a botanical fungicide for preventing and controlling cucumber downy mildew. Background technique [0002] Cucumber downy mildew is a plant disease caused by the flagellate subphylum Pseudomonas cuba. It is an obligate parasite, and the disease can occur at all stages from seedling to harvest, and the adult plant suffers the most. It mainly damages the leaves and develops from the base to the upper leaves. In the early stage of the disease, light yellow sub-circular to polygonal lesions are formed on the leaves, which are prone to be complicated by angular spot. When the air is humid, a frosty mold layer is formed on the back of the leaves, and sometimes it can spread to the leaves. In the later stage, the disease spots are withered and contiguous, and they are yellowish-brown. In severe cases, all the outer leaves are yellow and dead, similar to Ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/44A01P3/00
Inventor 张福民
Owner 张福民
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