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Bactericidal composition containing plant extract

A technology of plant extracts and compositions, applied in the direction of fungicides, plant growth regulators, botanical equipment and methods, etc., to achieve the effect of overcoming and delaying the resistance of pests to insecticides

Inactive Publication Date: 2017-12-08
张月婵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, there is no report on a pesticide containing plant tissue extracts of Aconitum rotundum, rhizome of iris, leaves of hibiscus, mixture of whole madder and thiamethoxam

Method used

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  • Bactericidal composition containing plant extract
  • Bactericidal composition containing plant extract
  • Bactericidal composition containing plant extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1 Extraction method of plant tissue extract A.

[0019] The extraction method of plant tissue extract A is as follows: 60 parts of whole Aconitum rotundum, 60 parts of rhizome of iris, 60 parts of leaves of hibiscus, 20 parts of whole grass of Rubia, mash them with a tissue grinder and mix together, add two 10 parts of benzyl biphenyl polyoxyethylene ether, 10 parts of sec-butyl acetate, and 280 parts of deionized water were stirred by a mixer for 5 minutes, and the mixed liquid was centrifuged in a centrifuge at 3000 rpm for 35 minutes. The supernatant, that is, to obtain the plant tissue extract A; wherein the mass fraction ratio of the whole Aconitum rotundum, iris rhizome, hibiscus leaves, and Rubia whole herb is 6:6:6:2; Whole aconitum, iris rhizome, hibiscus leaves and madder are all fresh plant tissues.

Embodiment 2

[0020] A kind of preparation method of the bactericidal composition containing plant extract described in embodiment two

[0021] Take several parts of the plant tissue extract A prepared by the technical scheme described in Example 1, several parts of thiamethoxam, A and thiamethoxam are mixed and then placed in a container and cut for 20 minutes with a shearing machine at 6000 revolutions per minute , to prepare the bactericidal composition.

[0022] Table 1, Example 2, A prepared by the method described in Example 2 and thiamethoxam in different mixing ratios to prepare the described fungicidal composition.

[0023]

Embodiment 3

[0024] Indoor activity assay of embodiment three plant tissue extracts to Phytophthora infestans

[0025]

[0026] Table 2 Indoor activity test results of plant tissue extract A on Phytophthora infestans (inhibition of mycelial growth of pathogenic fungi - plate method, referring to NY / T 1156.2-2006, investigation 7 days after inoculation).

[0027]

[0028]

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PUM

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Abstract

The invention discloses a bactericidal composition containing a plant extract. The composition contains a plant tissue extract A and benziothiazolinone, wherein the plant tissue extract A is extracted from a mixture of herba aconitum rotundifolium, iris tectorum rhizome, hibiscus leaves and herba madder; the plant tissue extract A and the benziothiazolinone have a synergistic effect on phytophthora infestans when being mixed for use; the herba aconitum rotundifolium, the iris tectorum rhizome, the hibiscus leaves and the herba madder are all fresh plant tissues; the fresh plant tissues mean plant tissues of which a rate of water loss is smaller than 5% after the plant tissues leave from a growing environment of the plant tissues. The bactericidal composition disclosed by the invention is applicable to prevent and treat crop diseases such as potato late blight, pepper phytophthora blight, cucumber downy mildew, litchi downy blight and the like. The bactericidal composition effectively, scientifically and reasonably utilizes resources, has an important significance for protecting the environment, and takes an active promoting effect on agricultural input and increase of both production and income in the agricultural industry.

Description

technical field [0001] The present invention relates to a bactericidal composition containing plant extracts; specifically, it provides a plant tissue extract A and thiazolone, wherein A is extracted from a mixture of whole Aconitum rotundum, rhizome of iris, leaves of hibiscus and whole grass of madder ; Belonging to the combination of botanical pesticides and chemical pesticides and their application fields. Background technique [0002] Aconitum rotundifolium, whose scientific name is Aconitum rotundifolium in Latin, is a plant of the family Ranunculaceae and the genus Aconitum, produced in Xinjiang, China. [0003] Iris, Latin scientific name Iris tectorum, also known as roof iris (Chinese Journal of Botany), blue butterfly (Guangzhou), purple butterfly, flat bamboo flower (Shaanxi), toad seven (Hubei), is a plant of the genus Iris in the family Iridaceae, the genus Asparagus, perennial herb of Iridaceae; thick rhizome; about 1cm in diameter, obliquely stretched; leaves...

Claims

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Application Information

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IPC IPC(8): A01N65/40A01N43/80A01P3/00
CPCA01N65/00A01N43/80A01N65/40
Inventor 不公告发明人
Owner 张月婵
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