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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 to literature reports, the utilization rate of pesticides is generally 10%, and about 90% of the remainder remains in the environment, causing environmental pollution.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A plant-derived insecticide for tomatoes, comprising, in parts by weight, 10 parts of pyrethrum, 6 parts of croton, 10 parts of nuxychnium, 6 parts of deer vine, 6 parts of Vitex chrysanthemum seeds, 4 parts of bitter bamboo, and angelica 6 parts, 3 parts of Aconitum and 10 parts of Fructus Cnidii.

[0018] A preparation method for a botanical pesticide for tomatoes, comprising the steps of,

[0019] 1) Dry pyrethrum, croton, nuxychnium, vetex, Vitex japonica seeds, bitter bamboo, angelica, aconitum and cnidium at 50°C, grind and mix them evenly, and pass through a 60-mesh sieve;

[0020] 2) Add the mixture obtained in step 1) and the extract in the heating and stirring device in turn, the heating temperature is 50°C, the stirring speed is 100 rpm, extract for 20 minutes, filter, take the filtrate, repeat the extraction process 3 times, and combine filtrate;

[0021] 3) The filtrate obtained in step 2) is concentrated under reduced pressure to a paste, and then vacuum...

Embodiment 2

[0024] A plant-derived insecticide for tomatoes, comprising, in parts by weight, 15 parts of pyrethrum, 8 parts of croton, 13 parts of nuxychia, 7 parts of deer vine, 8 parts of Vitex japonica seeds, 5 parts of bitter bamboo, and angelica 8 parts, 4 parts of Aconitum and 15 parts of Fructus Cnidii.

[0025] A preparation method for a botanical pesticide for tomatoes, comprising the steps of,

[0026] 1) Dry pyrethrum, croton, nuxychnium, vetex, vitex seeds, bitter bamboo, angelica, aconitum and cnidium at 55°C, grind and mix them evenly, and pass through a 70-mesh sieve;

[0027] 2) Add the mixture obtained in step 1) and the extract in the heating and stirring device in sequence, the heating temperature is 55°C, the stirring speed is 150 rpm, extract for 25 min, filter, take the filtrate, repeat the extraction process 4 times, combined filtrate;

[0028] 3) The filtrate obtained in step 2) is concentrated under reduced pressure to a paste, and then vacuum freeze-dried into ...

Embodiment 3

[0031] A plant-derived insecticide for tomatoes, comprising, in parts by weight, 20 parts of pyrethrum, 10 parts of croton, 16 parts of nuxychia, 8 parts of deer vine, 10 parts of Vitex japonica seeds, 6 parts of bitter bamboo, and angelica 10 parts, 5 parts of Aconitum aconitum and 20 parts of Fructus Cnidii.

[0032] A preparation method for a botanical pesticide for tomatoes, comprising the steps of,

[0033] 1) Dry pyrethrum, croton, nuxychnium, vetex, vitex seeds, bitter bamboo, angelica, aconitum and cnidium at 60°C, grind and mix them evenly, and pass through an 80-mesh sieve;

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

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

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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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