Botanical pesticide as well as preparation method and application thereof

A technology for plant-derived pesticides and mixtures, applied in the field of pesticides, can solve problems such as pesticide residues, affecting the yield and taste of cabbage, affecting human health, etc., and achieve good control effects.

Inactive Publication Date: 2017-05-24
重庆医学检验试剂研究所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When planting Chinese cabbage, Chinese cabbage diseases and insect pests often occur. Among them, the main pests are cabbage caterpillar and cabbage larvae, etc. The main diseases are black spot and cabbage heartburn, which are common in cruciferous vegetables. The best method is to use chemical control methods, that is, to spray chemical pesticides during planting and growth; however, spraying chemical pesticides not only affects the yield and taste of cabbage, but also has pesticide residues in cabbage and soil, which seriously affects human health.

Method used

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  • Botanical pesticide as well as preparation method and application thereof
  • Botanical pesticide as well as preparation method and application thereof
  • Botanical pesticide as well as preparation method and application thereof

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preparation example Construction

[0021] The invention provides a preparation method of botanical pesticides, comprising:

[0022] 1) Add 20-40 parts by weight of Lemongrass, 10-30 parts by weight of Delphinium, 20-40 parts by weight of Nandina, 5-15 parts by weight of Varanus and 5-15 parts by weight of mix to get a mixture;

[0023] 2) adding ethanol aqueous solution to the mixture for soaking, and distilling to obtain the botanical pesticide.

[0024] According to the present invention, the present invention uses 20-40 parts by weight of Lemongrass, 10-30 parts by weight of Delphinium, 20-40 parts by weight of Nandina, 5-15 parts of The salt skin wood is mixed, obtains a mixture; Wherein, the weight fraction of described syphilis is preferably 25~35 parts, more preferably 30 parts; The weight fraction of described delphinium is preferably 15~25 parts by weight, more preferably It is 20 parts; The weight fraction of described Nantian bamboo is preferably 25~35 parts by weight, more preferably 30 parts; The...

Embodiment 1

[0031] The composition of botanical pesticides according to the weight ratio is:

[0032] Desperado 30%, Delphinium 20%, Nandina 30%, Varanus 10%, Saltwood 10%

[0033] Its concrete preparation steps are:

[0034] Preparation of materials: Wash and crush the fresh Sacred Grass, fresh delphinium, fresh nandina, fresh variegated wood, and fresh salt skin wood respectively into 100 meshes, and then dry them for later use.

[0035] Proportion: According to the weight ratio, take 30% delphinium, 20% larkspur, 30% nandina 10%, and 10% chrysalis (total 1kg) and mix them evenly.

[0036] Sterilization: Sterilization by irradiation

[0037] Mixing: Heat and dry at 50-70°C for 2-3 hours to form a raw material mixture.

[0038] Distillation: place the raw material mixture in a distillation device, add 50% edible alcohol and water equivalent to 25 times the weight of the raw material mixture and soak for 3 hours, then distill, collect the distillate, and the gained distillate contains ...

Embodiment 2

[0043] The composition of botanical pesticides according to the weight ratio is:

[0044] Desperado 25%, Delphinium 15%, Nandina 20%, Variety 8%, Saltwood 8%

[0045] Its concrete preparation steps are:

[0046] Preparation of materials: Wash and crush the fresh Sacred Grass, fresh delphinium, fresh nandina, fresh variegated wood, and fresh salt skin wood respectively into 100 meshes, and then dry them for later use.

[0047] Proportion: According to the weight ratio, take 25% of succulents, 15% of delphiniums, 20% of nandina, 8% of variegated leaves, and 8% of syringa (total 1kg) and mix them evenly.

[0048] Sterilization: Sterilization by irradiation

[0049] Mixing: Heat and dry at 50-70°C for 2-3 hours to form a raw material mixture.

[0050] Distillation: place the raw material mixture in a distillation device, add 50% edible alcohol and water equivalent to 25 times the weight of the raw material mixture and soak for 3 hours, then distill, collect the distillate, and ...

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Abstract

The invention provides a botanical pesticide as well as a preparation method and application thereof. The botanical pesticide provided by the invention is prepared by the following steps: mixing 20-40 weight parts of grassy death camas, 10-30 weight parts of delphinium grandiflorum, 20-40 weight parts of nandina, 5-15 weight parts of croton and 5-15 weight parts of rhus chinensis so as to obtain a mixture; and adding ethanol water into the mixture for soaking, and distilling, thereby obtaining the botanical pesticide. According to the pesticide provided by the invention, plants are taken as raw materials, so that the pesticide does not have any pollution or residue during use and has an excellent effect of controlling diseases of Chinese cabbages, and the taste of the Chinese cabbages is not changed.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a botanical pesticide and its preparation method and application. Background technique [0002] Cabbage is a kind of Brassica, which is also closer to the cabbage native to the Mediterranean coast, and belongs to the Brassica genus of the Brassica family. When planting Chinese cabbage, Chinese cabbage diseases and insect pests often occur. Among them, the main pests are cabbage caterpillar and cabbage larvae, etc. The main diseases are black spot and cabbage heartburn, which are common in cruciferous vegetables. The best method is to use chemical control methods, that is, spraying chemical pesticides during planting and growth; however, spraying chemical pesticides not only affects the yield and taste of cabbage, but also the problem of pesticide residues in cabbage and soil will seriously affect human health. Contents of the invention [0003] In view of this, the technica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/44A01P7/04A01P3/00
CPCA01N65/00A01N65/44A01N2300/00
Inventor 陈俊意徐莉
Owner 重庆医学检验试剂研究所
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