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Pest removing fumigant and application of the same in chestnut fumigation pest removing

A fumigant, chestnut technology, applied in the application, fumigator, attractant and other directions, can solve the problems of complicated operation, high toxicity, not suitable for chestnut treatment, etc., and achieve the effect of low cost and simple operation.

Inactive Publication Date: 2012-12-12
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, phosphine fumigation is not ideal for fruit-boring pests (especially chestnut weevil larvae without holes sealed in the fruit)
Both of them are highly toxic to humans and animals, are easily absorbed by agricultural products and cause residual toxicity, and the operation is complicated, so they are not suitable for the treatment of chestnuts.

Method used

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  • Pest removing fumigant and application of the same in chestnut fumigation pest removing
  • Pest removing fumigant and application of the same in chestnut fumigation pest removing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1 The preparation and toxicity determination of pest control fumigant

[0019] 1. Preparation of fumigant

[0020] Take horseradish crude oil, ethyl acetate, and ethanol and mix them uniformly in a volume ratio of 6:4:3, and prepare a solution for later use.

[0021] The crude oil of horseradish is purchased through commercial channels, wherein the mass content of horseradish is more than 98%.

[0022] The ethyl acetate and ethanol are chemically pure.

[0023] 2. Toxicity determination of fumigants

[0024] (1) Rearing Trichosanthus spp. at a temperature of 27±1°C, a relative humidity of 75±5% and protected from light, with broken wheat grains. The groats were not exposed to any chemicals before use, and were sterilized in an oven (60°C) for 2 hours, and the water content was adjusted to 13±1%. After 7 to 10 days, the adults were screened out, and 1 to 2 weeks after the next generation of adults appeared in large numbers, the adults were screened out for...

Embodiment 2

[0034] Example 2 Chestnut Fumigation Harm Removal Method

[0035] The chestnut fumigation and pest removal method comprises the following steps:

[0036] 1. Take horseradish crude oil, ethyl acetate, and ethanol to prepare a fumigant in a ratio of 6:4:3 by volume;

[0037] 2. Calculate the required amount of fumigant according to the volume of the closed environment, the 99% lethal dose of the sycamores and the appropriate multiple:

[0038] (1) Determination of the multiple: Considering the difference between the airtightness of the actual fumigation system and the airtightness of the triangular flask, the amount of fumigant should be increased in actual use. The temperature in early autumn is relatively close to 28°C, so the amount of fumigant required is calculated as twice the LC99 value at 28°C, and the temperature in late autumn is relatively close to 10°C, so the amount of fumigant required is calculated as four times the LC99 value at 10°C Dosage;

[0039] (2) Calcu...

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Abstract

The present invention discloses a pest removing fumigant, which comprises allyl isothiocyanate, ethyl acetate and ethanol, wherein a volume ratio of the allyl isothiocyanate to the ethyl acetate to the ethanol is 6:4:3. The present invention further discloses an application of the pest removing fumigant in chestnut fumigation pest removing, and a chestnut fumigation pest removing method. The pest removing fumigant of the present invention has the following characteristics that: no toxicity is generated to humans and animals, no environment pollution is generated, an obvious lure effect is provided for borers, and pests inside fruits can be effectively induced to remove from the fruits, wherein the pests die due to poisoning when creeping towards a fumigation source. In addition, characteristics of simple operation, low cost and the like are provided.

Description

technical field [0001] The invention belongs to the field of crop disease and insect pest control, and in particular relates to a fumigant for eliminating pests and its application in chestnut fumigation and pest removal, and also relates to a method for chestnut fumigation and pest removal. Background technique [0002] Chestnut has a history of artificial cultivation for thousands of years in my country, and it is generally harvested in autumn. In recent years, the chestnut industry has developed rapidly in my country, and its output ranks first in the world, and it has become one of the important agricultural products for export. Nevertheless, there are still many factors restricting its better and better development in my country's chestnut industry, one of which is unfavorable pest control, which leads to a high rate of insects and fruits in chestnut producing areas, especially the fruit-boring pests Chestnut and Peach Borer. The most harmful. Therefore, after chestnut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/46A01N25/18A01P19/00A01P7/00A01M1/20A01M13/00
Inventor 蔡万伦李金甫邱国强杨长举
Owner HUAZHONG AGRI UNIV
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