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Botanical biopesticide for preventing and controlling chrysanthemum aphid and preparation method thereof

A bio-pesticide and plant-derived technology, which is applied in the field of plant-derived bio-pesticide and its preparation for preventing and controlling plant aphids, can solve problems such as drug resistance of aphid populations, pesticide residues, and difficulty in aphid control, and achieve resource reuse and low equipment requirements. , the effect of human and animal safety

Inactive Publication Date: 2016-09-07
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, imidacloprid chemical pesticides are mainly used to prevent and control aphids. The use of these chemical pesticides leads to pesticide residues, and makes the aphid population resistant to pesticides, making the control of aphids more difficult. Three neonicotinoid insecticides, memethoxam and clothianidin, have made a temporary ban decision

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Pot Experiment of Controlling Chrysanthemum Chrysanthemum Aphid

[0023] Separately take 50g of the trimmed branches, stems, leaves, and fruits of Curcuma zedoary, dry it at 50°C, grind it into powder, soak it in 2000ml of 30% methanol solution at room temperature for 3 days, filter it, take the filtrate, concentrate it under reduced pressure, and recover the solvent to obtain the extraction extract. The zedoary extract is obtained by drying the pruned branches, stems, leaves and fruits of the zedoary, pulverizing them into powder, leaching and filtering. Formulated with 20% concentrate, 10% Tween and water to make up to 100% liquid. With the botanical biopesticide for preventing and treating the chrysanthemum chrysanthemum aphid of the present invention, the chrysanthemum chrysanthemum aphid has a therapeutic effect, respectively reaching 98% (diluted 100 times), 93% (diluted 150 times), 86.7% (diluted 200 times) and 84.8% (diluted 250 times).

Embodiment 2

[0025] Greenhouse Experiment on Controlling Chrysanthemum Chrysanthemum Aphid

[0026] Grind 100g of the naturally shedding and discarded Alpinia officinale leaves into powder after being dried at 40°C, soak in 1500ml of 50% ethanol solution at room temperature for 5 days, filter, take the filtrate and concentrate it under reduced pressure, recover the solvent to obtain the extraction extract. The alpinia officinale extract is obtained by drying the discarded leaves of the alpinia officinale, pulverizing into powder, extracting and filtering. Formulated with 30% concentrate, 15% Tween and water to make up to 100% liquid. With the botanical biopesticide for preventing and treating the chrysanthemum chrysanthemum aphid of the present invention, the chrysanthemum chrysanthemum aphid has a therapeutic effect, respectively reaching 100% (diluted 200 times), 99.3% (diluted 400 times), 90.6% (diluted 600 times) and 85.8% (diluted 800 times).

Embodiment 3

[0028] Field Experiment on Controlling Chrysanthemum Chrysanthemum Aphid

[0029] Utilize turmeric leaves in the process of producing and processing other products, dry them at 35°C, grind them into 200g of powder, soak them in 2500ml of 70% isopropanol solution at room temperature for 6 days, filter, take the filtrate and concentrate it under reduced pressure, recover the solvent to obtain the extraction extract . The turmeric extract is obtained by drying the leaves in the process of producing and processing other products, pulverizing them into powder, leaching and filtering. Formulated with 50% concentrate, 20% Tween and water to make up to 100% liquid. With the botanical biopesticide of the present invention for preventing and treating the chrysanthemum aphid, the chrysanthemum aphid has a therapeutic effect, respectively reaching 97.4% (150 times of dilution), 92.3% (250 times of dilution), 89.9% (350 times of dilution) and 84.2% (diluted 450 times).

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Abstract

The invention provides a botanical biopesticide for prevention and control of chrysanthemum morifolium aphid and a preparation method thereof. The botanical biopesticide comprises, by weight, 15-50% of a concentrate of zingiberaceae plant extract, 5-20% of a solubilizer and the balance water. The botanical biopesticide is applied for a plant mainly by a spraying method, can be used for treatment on the chrysanthemum morifolium aphid, utilizes easily available raw materials, can be processed simply, has low requirements on equipment, is conducive to industrial production, realizes recycle of an organic solvent, realizes resource re-utilization, prevents secondary pollution, is conducive to agricultural sustainable development, can be degraded under natural conditions, has small toxicity, is environmentally friendly, is safe for human and animals, has a low cost and is a nuisance-free botanical biopesticide for prevention and control of chrysanthemum morifolium aphid.

Description

technical field [0001] The invention relates to the field of agricultural insecticides, in particular to a botanical biopesticide made from Zingiberaceae plants for preventing and controlling plant aphids and a preparation method thereof. Background technique [0002] Hangbaiju, also known as chamomile, white chrysanthemum, tea chrysanthemum, medicine chrysanthemum, is a good product in chamomile. Chrysanthemum chrysanthemum is mainly produced in Tongxiang, Zhejiang. It has been planted for more than 300 years. It is one of the authentic medicinal materials "Zhejiang Eight Flavors", and it is also a dual-use resource for medicine and food newly approved by the Ministry of Health. Chrysanthemum chrysanthemum has high medicinal value and the effect of prolonging life. Due to its superior geographical location, climate and soil conditions, the planting industry of Chrysanthemum chrysanthemum has been developing steadily. The current planting area is more than 40,000 mu, accoun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/48A01P7/04
Inventor 代光辉庞倩茹王新华张学群彭勇政陈义娟郭松
Owner SHANGHAI JIAOTONG UNIV
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