Botanical insecticide for tomatoes and preparation method thereof

A technology of botanical insecticides and tomatoes, applied in botanical equipment and methods, insecticides, plant growth regulators, etc., can solve problems such as environmental pollution and pest resistance, and achieve high safety and effective control Good, less resistant effect

Inactive Publication Date: 2017-02-01
滁州嘉实农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the long-term use of certain chemical pesticides will also make pests resistant to pesticides. There are currently 417 kinds of resistant pests.
According t

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0016] Example 1

[0017] A plant-derived insecticide for tomatoes, comprising, in parts by weight, 10 parts of pyrethrum, 6 parts of croton, 10 parts of chrysanthemum, 6 parts of hairy vine, 6 parts of wattle seeds, 4 parts of bitter bamboo, and hyacinth 6 servings, 3 servings of Caowu and 10 servings of Cnidium.

[0018] A method for preparing a plant-derived insecticide for tomatoes includes the following steps:

[0019] 1) Dry the pyrethrum, croton, chrysanthemum, hairy fish vine, yellow wattle seeds, bitter bamboo, hydrangea sylvestris, grass black and Cnidium vulgare at 50℃, grind and mix evenly, and pass through a 60-mesh sieve;

[0020] 2) Add the mixture and extract obtained in step 1) to the heating and stirring device in sequence, heating temperature is 50℃, stirring speed is 100 revolutions / min, extracting for 20 minutes, filtering, taking filtrate, repeating the extraction process 3 times, and combining filtrate;

[0021] 3) The filtrate obtained in step 2) is concentrate...

Example Embodiment

[0023] Example 2

[0024] A plant-derived insecticide for tomatoes, comprising, by weight, 15 parts of pyrethrum, 8 parts of croton, 13 parts of chrysanthemum, 7 parts of hairy vine, 8 parts of wattle seeds, 5 parts of bitter bamboo, and hyacinth 8 servings, 4 servings of Caowu and 15 servings of Cnidium.

[0025] A method for preparing a plant-derived insecticide for tomatoes includes the following steps:

[0026] 1) Dry the pyrethrum, croton, chrysanthemum, hairy vine, yellow wattle seeds, bitter bamboo, hyacinth, grass black and Cnidium at 55℃, grind and mix evenly, and pass through a 70-mesh sieve;

[0027] 2) Add the mixture and extract obtained in step 1) to the heating and stirring device in sequence, heating temperature is 55 ℃, stirring speed is 150 revolutions / min, extract 25 min, filter, take filtrate, repeat the extraction process 4 times, Combine the filtrate;

[0028] 3) The filtrate obtained in step 2) is concentrated under reduced pressure to a paste, and then lyophili...

Example Embodiment

[0030] Example 3

[0031] A plant-derived insecticide used for tomatoes, comprising 20 parts by weight of pyrethrum, 10 parts of croton, 16 parts of chrysanthemum, 8 parts of hairy vine, 10 parts of wattle seeds, 6 parts of bitter bamboo, and hyacinth 10 servings, 5 servings of Caowu and 20 servings of Cnidium.

[0032] A method for preparing a plant-derived insecticide for tomatoes includes the following steps:

[0033] 1) Dry the pyrethrum, croton, chrysanthemum, hairy vine, yellow wattle seeds, bitter bamboo, hyacinth, grass black, and cranium at 60℃, grind and mix evenly, and pass through an 80-mesh sieve;

[0034] 2) Add the mixture and extract obtained in step 1) to the heating and stirring device in sequence, heating temperature is 60 ℃, stirring speed is 200 rpm, extraction for 30 min, filter, take the filtrate, repeat the extraction process 4 times, Combine the filtrate;

[0035] 3) The filtrate obtained in step 2) is concentrated under reduced pressure to a paste, and then l...

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PUM

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Abstract

The invention belongs to the field of insecticides and relates to a botanical insecticide for tomatoes and a preparation method thereof. The botanical insecticide comprises, by weight, 10-20 parts of pyrethrum, 6-10 parts of croton seeds, 10-16 parts of semen strychni, 6-8 parts of derris elliptica, 6-10 parts of seeds of Vitex negundo L., 4-6 parts of bitter bamboos, 6-10 parts of semen hyoscyami, 3-5 parts of radix aconiti agrestis and 10-20 parts of common cnidium fruits. The raw materials of pyrethrum, croton seeds, semen strychni, derris elliptica, seeds of Vitex negundo L., bitter bamboos, semen hyoscyami, radix aconiti agrestis and common cnidium fruits do not damage plants, do not produce residues and do not pollute the environment and agricultural products. The tomatoes treated by the botanical insecticide do not produce resistance to insecticides. The botanical insecticide has good safety and prevention effects.

Description

technical field [0001] The invention belongs to the field of insecticides, and in particular relates to a botanical insecticide for tomatoes and a preparation method thereof. Background technique [0002] Tomatoes are one of the main vegetables in southern China in summer, with high edible value and considerable economic benefits. The main pests of tomatoes are Liriomyza sativae, whitefly and silver leafworm. [0003] At present, the domestic control of tomato pests mainly adopts chemical control, which has low efficacy and long residual poison period, which seriously affects the crop growth environment and the health of humans and animals. Pesticides are a special class of chemicals, which can not only prevent and control agricultural and forestry diseases and insect pests, but also cause harm to humans and animals. Therefore, the use of pesticides, on the one hand, benefits human beings, and on the other hand, it also brings harm to the environment on which human beings d...

Claims

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Application Information

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IPC IPC(8): A01N65/44A01P7/04
CPCA01N65/00A01N65/44A01N2300/00Y02A50/30
Inventor 陆开珍
Owner 滁州嘉实农业科技有限公司
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