Green nuisance free pesticide and preparation process thereof
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A pesticide and green technology, applied in the field of pesticides, can solve problems such as adverse effects on human and animal health, pesticide residues, etc., and achieve the effect of easy solution and wide insecticidal spectrum.
Inactive Publication Date: 2006-06-21
毛焕旭
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Abstract
Description
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Problems solved by technology
Although the insecticidal effect is good, the unsatisfactory is the pesticide residue, which has adverse effects on the health of humans and animals
Method used
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Examples
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Comparison scheme
Effect test
Embodiment 1
[0021] 1) After soaking the fresh or dry product of the whole plant of bitter kudzu, beating, squeezing the juice repeatedly 3 to 4 times, filtering, leaving the filtrate to remove starch, and concentrating to 1 to 10% soluble matter to obtain the bitter kudzu extract spare;
[0022] 2) After mixing 78% of bitter kudzu extract obtained in 1) with 21.6% of white sugar, add 0.4% potassium sorbate preservative to obtain green pollution-free pesticide.
[0023] The filter residue after preparing the extract from the whole plant of bitter kudzu is used as the raw material of insect-proof paper and as agricultural fertilizer.
Embodiment 2
[0025] 1) with embodiment 1;
[0026] 2) After mixing 98% of bitter kudzu extract obtained in 1) with 1.5% of white sugar, 0.5% potassium sorbate preservative is added to obtain green pollution-free pesticides.
Embodiment 3
[0028] Hammer the whole grass of bitter kudzu into velvet, dry it in the sun, grind it into powder, sieve it through a 60-mesh or more sieve to make a powder, mix 18% of bitter kudzu powder with calcium fertilizer (or magnesium fertilizer or phosphorus fertilizer or potassium fertilizer or compound fertilizer, etc.) Finally, the fertilizer-medicine dual-purpose pesticide applied to the ground is prepared.
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Abstract
The invention is a green pollution-free pesticide and a preparation method thereof. It is characterized in that it is obtained by mixing 78-98% of bitter kudzu whole herb extract and 1-22% of white sugar. After soaking the fresh or dry product of the whole herb of bitter kudzu, beating, squeezing the juice repeatedly 3 to 4 times, filtering, leaving the filtrate to stand still to remove starch, and concentrating to obtain the bitter kudzu extract. The green pollution-free pesticide of the present invention can kill underground black worms (in the ground during the day, and on the stems and leaves of plants at night, commonly known as cutworms), soil silkworms, earthworms, leeches in the water, red worms, and worms seen with the naked eye. The missing insects, cabbage caterpillars, aphids on plants, and plant powdery mildew, rust, downy mildew and mites (red spider, rust wall wind, scale insects) have good control and killing effects , has a killing effect on any pests that devour seedlings in the seedbed. Its insecticidal spectrum is wide, and because the plant itself is alkaline, it is easy to dissolve, so it will not remain on the plant, will not damage the soil structure, and will not pollute beneficial insects and the environment.
Description
technical field [0001] The invention relates to the technical field of pesticides, in particular to green and pollution-free pesticides and a preparation method thereof. Background technique [0002] There are many types of pesticides, but most of them are chemically synthesized. Although the insecticidal effect is better, the pesticide residue is unsatisfactory, which has adverse effects on the health of humans and animals. Contents of the invention [0003] The object of the present invention is to provide a green pollution-free pesticide prepared by extracting pure plants, which is harmless to humans and animals and has an outstanding insecticidal effect and a preparation method thereof. [0004] The technical scheme of the present invention is obtained by mixing 78-98% of bitter kudzu [pueraia. Peduncularis (Berth.) Grad.] whole herb extract and 1-22% of white sugar. [0005] The preparation method of above-mentioned green pollution-free pesticide is carried out acco...
Claims
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Application Information
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