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Plant miticide and preparation method and application thereof

An acaricide and plant technology, applied in the field of botanical acaricide, can solve environmental pollution and other problems, and achieve the effects of avoiding secondary pollution, low equipment requirements, and simple processing

Inactive Publication Date: 2012-05-02
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, pyridaben still accounts for a large proportion, which is a moderately toxic synthetic pesticide. Although this technology has a slightly lower impact on the environment than when using chemical pesticides alone, it will still cause serious pollution to the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 80% of raw materials and 20% of conventional excipients constitute plant acaricide

[0027] Weigh the discarded stems, leaves or roots of capsicum fruits, the discarded stems, leaves or roots of eggplant fruits, the trimmed stems or leaves of heather and the powder of stems, leaves or roots of woad (20 mesh particles) A total of 100g (wherein 40% of capsicum, 25% of eggplant, 5% of heather, and 30% of koko blue) was soaked in 500ml of 70% ethanol solution at room temperature for 2 days, filtered, and the filtrates of the four plants were concentrated under reduced pressure to recover the solvent for extraction. Extraction, then add 20% Tween, stir according to the conventional process, make it mix evenly, make the plant acaricide, then add water to dilute the prepared plant acaricide, make the concentration of the raw material medicine be 2wt%. Then, the diluted plant-derived acaricide was tested for indoor biological activity against Tetranychus cinnabarinus, and the m...

Embodiment 2

[0029] 70% of raw materials and 30% of conventional excipients constitute plant acaricide

[0030] Weigh the discarded stems, leaves or roots of capsicum fruits, the discarded stems, leaves or roots of eggplant fruits, the trimmed stems or leaves of heather and the powder of stems, leaves or roots of woad (20 mesh particles) A total of 200g (5% of which is capsicum, 40% of eggplant, 30% of heather, and 25% of kohlrabi), impregnated with 2000ml of 50% ethanol solution at room temperature for 3 days, filtered, and the filtrate was concentrated under reduced pressure to recover the solvent to obtain the extract extract , then add Tween whose weight accounts for 30% of the whole plant acaricide, stir according to the conventional process, make it mix evenly, and make the plant acaricide, then add water to dilute the prepared plant acaricide to make the concentration of the raw material drug is 3wt%. Then, the diluted plant acaricide was used for bioassay on Tetranychus cinnabarin...

Embodiment 3

[0032] 40% of raw materials and 60% of conventional excipients constitute plant acaricide

[0033] Weigh the discarded stems, leaves or roots of capsicum fruits, the discarded stems, leaves or roots of eggplant fruits, the trimmed stems or leaves of heather and the powder of stems, leaves or roots of woad (20 mesh particles) A total of 200g (35% of which is capsicum, 33% of eggplant, 30% of heather, and 2% of kohlrabi), impregnated with 1500ml of 30% ethanol solution at room temperature for 1d, filtered, and the filtrate was concentrated under reduced pressure to recover the solvent to obtain the extract extract , then add the conventional auxiliary material whose weight accounts for 60% of the whole plant acaricide, according to the conventional process, make the plant acaricide, then add water to dilute the prepared plant acaricide, so that the concentration of the raw material drug is 1wt%. Then the diluted plant acaricide was used for bioassay on Tetranychus cinnabarinus b...

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PUM

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Abstract

The invention discloses a plant miticide and a preparation method and application thereof. The plant miticide consists of 40 to 80 percent by weight of chemical and 20 to 60 percent by weight of conventional adjuvants, wherein the components of the chemical material and the weight percentage contents of the components in the total amount of the chemical material are as follows: 5 to 40 percent of capsicum annuum linn extract, 2 to 40 percent of astragles propinquns schiscbk extract, 5 to 30 percent of photinia serrulata lindl extract and 2 to 30 percent of isatis indigotica fortune extract. The plant miticide utilizes agricultural wastes as main material resources, is completely prepared with the plant extracts, and has the advantages of high effectiveness, no residue, low production cost, economy, practicability, environment-friendliness and excellent comprehensive properties.

Description

technical field [0001] The invention relates to a plant acaricide in the technical field of pesticides, in particular to a botanical acaricide using discarded pepper plants as a main material source and its preparation and application. Background technique [0002] In recent years, with people's gradual and clear understanding of a series of environmental, ecological and human health problems brought about by chemical pesticides, the development of low-toxic, high-efficiency biopesticides that are safe for the environment and non-target organisms has become an urgent need. Among them, finding substances with insecticidal and antibacterial activities from plants has become an important way to create new acaricides. In addition, the random discarding of a large number of agricultural wastes today not only causes a lot of resources to be idle and wasted, but also causes a certain burden on the environment. Therefore, to realize the recycling of agricultural waste resources and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/38A01N65/34A01N65/08A01P7/02
Inventor 代光辉陈义娟贾福丽陈佳王丹丹
Owner SHANGHAI JIAO TONG UNIV
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