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Environment-friendly insecticide for killing wax-moth larvae and eggs thereof

An insecticide and environmental protection technology, applied in the field of environmental protection insecticides, can solve the problems of no killing effect on nest eggs, long drug control time, and inability to kill eggs, so as to save drug costs, shorten control time, and reduce effect of drug dosage

Active Publication Date: 2014-06-04
BEE RES INST CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, beekeepers at home and abroad generally believe that Bacillus thuringiensis (Bt for short) is an ideal biological agent for killing broodworms, but its disadvantage is that when it is used alone, it only has an effect on larvae, and it has no effect on broodworms. Eggs have no killing effect; therefore, when Bacillus thuringiensis preparations are applied alone in beehives, they can only prevent broodworms, but cannot kill eggs, that is, they can only be killed after broodworm eggs hatch into larvae, resulting in drug control After a long time, the efficacy of the medicine will be weakened; and because the broodworm eggs can usually survive the winter, the disease will recur again in the next year, that is, the insecticide is not complete.

Method used

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  • Environment-friendly insecticide for killing wax-moth larvae and eggs thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The old honeycomb was melted at 70°C for 30 minutes, and then crushed after cooling and solidifying with a fineness of 60 mesh. Sodium (gifted by Shifang Tailai Chemical Co., Ltd.) and glycerin (purchased from Beijing Chemical Reagent Co., Ltd.) were weighed at 80%, 9%, 3% and 8% by weight, and stirred evenly, and then weighed 20g of the above Insecticides are packed into gauze bags for subsequent use, and the bags are flat and rectangular, with a size of 15cm×20cm.

Embodiment 2

[0023] Collect the ovum flakes produced by the brood moth female moth on the paper on the same day, and count them under a stereoscopic dissecting microscope, put the paper flakes with about 200 ovums tightly stuck in the gauze bag of Example 1, and mix them upside down for a few minutes. The insecticide was fully contacted with the eggs for the first time, and then the paper with the eggs was taken out of the cloth bag and placed in a transparent plastic box containing conventional broodworm feed to detect the subsequent hatching of the eggs into broodworms. Set up 4 groups Repeat, the blank control group is the eggs after full contact with the mixture composed of the corresponding amount of glycerin and old honeycomb debris, 30 ℃, humidity 70%-80%, culture in dark, record the number of live insects after one week of treatment, and get It is known that the egg hatching rate corresponding to the environmental protection insecticide is 10%-20% of the blank control group, and the...

Embodiment 3

[0025] The gauze bag of Example 1 was placed in a transparent plastic box, and then 60 3-day-old broodworms were inserted, and 4 groups of repetitions were set. The blank control group and the culture conditions were the same as in Example 2, and the number of live worms was recorded after one week of treatment. Calculating the mortality rate, it is known through statistics that the broodworm mortality rate corresponding to this environmental protection insecticide is 98%-100%.

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Abstract

The invention relates to an environment-friendly insecticide for killing wax-moth larvae and eggs thereof. The environment-friendly insecticide consists of the following components in percentage by weight: 0.5%-10% of a bacillus thuringiensis bactericide, 0.2%-10% of chlorinated sodium phosphate, 5%-10% of a wetting agent and 70%-92.5% of bait, wherein the bait is an old comb. The aqueous solution of the chlorinated sodium phosphate is alkaline, so that the insecticidal activity of bacillus thuringiensis insecticidal crystal protein is obviously increased; and moreover, the prevention and control objects of the environment-friendly insecticide are widened as compared with the conventional insecticides, and the environment-friendly insecticide can kill not only larvae but also eggs, takes a shorter prevention and control time than other insecticides and thoroughly kill wax moths. The bacillus thuringiensis and the chlorinated sodium phosphate are not toxic or slightly toxic to human and animals and are low in usage, the wetting agent and the bait are harmless to bees and toxic-free to human and animals; and a cloth bag separates the insecticide from the outside, so that the insecticide cannot contaminate bee products.

Description

technical field [0001] The invention relates to an environmentally friendly insecticide capable of killing broodworms and their eggs, and the pesticide can meet the special production requirements of beekeeping, can not only kill broodworms and their eggs in beehives, but also bee products Non-polluting and non-toxic and harmless to bees. Background technique [0002] Broodworm is one of the most important pests that harm beekeeping, especially the traditional bee species Apis sinensis in my country. Due to the strong stress resistance of broodworms and the large amount of eggs laid by adults, they have become a persistent disease in beekeeping and recur almost every year. Therefore, in addition to the prevention and control of broodworms, the prevention and control of broodworm eggs is also very important. Because broodworm female moths produce a large number of eggs on the comb, the broodworm after hatching is multiplied and destroys the comb in the beehive or storage. A...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/00A01P7/04A01P19/00A01N59/26
CPCY02A50/30
Inventor 周婷吴艳艳
Owner BEE RES INST CHINESE ACAD OF AGRI SCI
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