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Medicament for resisting plant virus and formulating method

A technology of anti-plant virus and preparation method, which is applied in the field of pesticide preparations with anti-plant virus, and can solve the problems that the application of anti-plant virus has not been reported.

Active Publication Date: 2013-06-19
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The prior art shows that the extracts of Chinese toon and Chinese toon have insecticidal and sterilizing capabilities, and have certain inhibitory effects on roundworms, trichomonas, dysentery, Escherichia coli, Proteus, aerogenes, etc., but in terms of anti-plant virus The application has not been reported

Method used

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  • Medicament for resisting plant virus and formulating method
  • Medicament for resisting plant virus and formulating method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] Preparation of Chinese toon extract:

[0079] Add 60L of 80% ethanol to 8kg Chinese toon (skin, fruit, root), soak three times (soak for 7 days for the first time, soak for 3 days for the second time, soak for 3 days for the third time), and decompress the soaking solution through a rotary evaporator Concentrate, obtain ethanol extract 1.5kg after reclaiming ethanol; Ethanol extract is called Chinese toona ethanol layer extract, ethanol extract adds a small amount of water and disperses in ultrasonic instrument, at first extracts with chloroform, obtains Chinese toon chloroform layer extract, and secondly uses Extract with ethyl acetate to obtain the ethyl acetate layer extract of Toona sinensis, and finally extract with n-butanol to obtain the extract of the n-butanol layer, then concentrate the extracts of each layer under reduced pressure to obtain extracts, all extracts including ethanol extracts are collectively referred to as Chinese toon extract, 8Kg Chinese toon...

Embodiment 2

[0081] Embodiment two: the preparation of 6% Chinese toon+ningnanmycin emulsifiable concentrate, various (group) distribution ratios are:

[0082] Chinese toon extract is 3% (weight)

[0083] Ningnanmycin 3% (weight)

[0084] Surfactant: sodium fatty acid methyl ester sulfonate is 15% (by weight)

[0085] Organic solvent: Jatropha curcas biodiesel is 64% (weight)

[0086] Co-solvent: Methanol is 15% (by weight)

[0087] Put each component into the preparation kettle and mix thoroughly to obtain the product.

Embodiment 3

[0088] Embodiment three: the preparation of 6% Chinese toona+Ningnanmycin wettable powder, various (group) distribution ratios are:

[0089] Chinese toon extract is 3% (weight)

[0090] Ningnanmycin 3% (weight)

[0091] Wetting agent: Sodium dodecylbenzene sulfonate is 15% by weight

[0092] Dispersant: 12% (weight) of sodium a-alkyl sulfonate

[0093] Carrier: diatomaceous earth is 67% (weight)

[0094] The components are dried, cooled, mixed and ground to obtain the product.

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Abstract

The invention relates to a medication against plant virus and a preparation method thereof. Chinese toon extract, ningnanmycin and other auxiliary agents, for example, biodiesel, are taken as raw materials, and are prepared into pesticide missible oil preparation, pesticide wettable powder preparation, pesticide aqueous suspension preparation or aqueous dispersion preparation according to proportion. During the process of studying the Chinese toon extract, the invention finds that the Chinese toon extract can inhibit the plant virus diseases and has the mutual synergized action when being used together with the ningnanmycin, thereby the pesticide with high efficiency, low toxicity and small poison to the human and the environment is developed on the basis, and the pesticide can better prevent and control tobacco mosaic virus, cucumber mosaic virus diseases the corn stripe virus, rice dwarf virus diseases, and the like, and meanwhile the pesticide can overcome the problem of resistanceof the plant virus to the single drug.

Description

Technical field: [0001] The present invention relates to a kind of pesticide, a kind of pesticide against plant virus, specifically a kind of pesticide preparation with anti-plant virus prepared by Chinese toon extract and Ningnanmycin as main raw materials. Background technique: [0002] Plant virus diseases can be said to be the "cancer" of plants, which are extremely difficult to prevent and control. They have caused huge losses to agricultural production all year round, and the annual loss of crops worldwide has reached billions of dollars. In recent years, viral diseases have become increasingly serious, especially for economic crops, such as tobacco viral diseases, which have become a bottleneck problem in tobacco production. It is estimated that the annual loss amounts to hundreds of millions of dollars. In addition, rice stripe leaf blight, a virus disease transmitted by SBPH, has become more and more serious in recent years, and has become one of the main diseases ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/26A01N43/90A01N63/00A01P3/00
Inventor 宋宝安杨胜杰薛伟金林红杨松胡德禹李向阳陈卓
Owner GUIZHOU UNIV