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Bursting bead containing insect pheromone or trapping agent as well as preparation method and application of blasting bead
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An insect pheromone and attractant technology, which is applied in botanical equipment and methods, devices for capturing or killing insects, applications, etc. Simple method, reduced breakage, reduced package effectiveness
Active Publication Date: 2022-07-29
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology
[0008] Aiming at the problems that insect pheromones and / or attractant lures in the prior art have poor slow-release effect, are not easy to store, and are easily confused when used, the present invention provides A popping bead containing insect pheromones and / or attractants
Method used
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preparation example Construction
[0058] The present invention also provides a kind of preparation method containing insect pheromone or attractant quick-bead, comprising the following steps:
[0059] (1) fully mixing insect pheromone or attractant with sodium alginate, emulsifier, organic solvent and distilled water to obtain an oil-in-water core material solution;
[0061] (3) dropping the core material solution of step (1) into the wall material solution of step (2), soaking for a period of time to form the prototype of the explosive beads;
[0062] (4) Washing, solidifying, filtering and drying the blasted bead prototype of step (3).
[0063] In the preparation method of the above-mentioned quick-fried beads, the step (1) also includes adding a slow-release agent, a natural antioxidant and an anti-ultraviolet agent; and the step (2) also includes adding a colorant.
[0064] In t...
Embodiment 1
[0088] The preparation of embodiment 1 containing cotton bollworm pheromone explosive beads product
[0089] 1. Preparation of core material solution:
[0090] Taking the production of 100 popping beads as an example, take 100 mg of cotton bollworm pheromone, 25.1 mg of medium-viscositysodium alginate, 20 mg of polysorbate-80, 1.659 g of ethanol solution, 70 mg of beta-cyclodextrin sustained-release agent, and 1 mg of rosemary Oxidant, 0.5 mg of 4-benzoyloxy-2,2,6,6-tetramethylpiperidine anti-ultraviolet agent, the remainder is distilled water to make up to 2 g, and mixed at 50°C.
[0092] Take 160 mg of calcium lactate pentahydrate, 10 mg of 1,2-propanediol, 14 mg of glycerol, 10 mg of carmine colorant, and the remainder of distilled water to make up to 4 g, and mix at 40°C.
[0093] 3. Preparation of prototype popping beads
[0094] The core material solution was dropped from 1 cm into the wall material solution by the s...
Embodiment 2
[0098] Refer to the preparation method of Example 1, with the difference that: the mass of the cotton bollworm pheromone in the core material solution is 50 mg, and distilled water is adjusted to make up the balance.
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Abstract
The invention provides a preparation method and an application method of a blasting bead containing insectpheromone or a trapping agent. The blasting bead solves the problems that effective components of a traditional insectpheromone or trapping agent are easy to decompose and lose efficacy, single in color and not easy to distinguish, the release rate is unstable, the price is relatively high, and a loading material and a packaging bag cannot be degraded. The preparation method is simple, the used materials are simple and easy to obtain, complex equipment is not needed, and the sealing performance on insectpheromone or a trapping agent is good; the use method is simple, the insect pheromone or the trapping agent can be slowly released after the blasting beads are pinched to be broken by external force, and a good slow-release effect is achieved. The blasting bead prepared by the invention can be used in areas with large insect pest coverage area, can achieve triple purposes of insect pest situation prediction and forecast, insect pest trapping and killing and disorientation interference, and has good social benefits, economic benefits and green development benefits.
Description
technical field [0001] The invention belongs to the field of insect pheromone and attractant storage and release, in particular to a preparation and application method of explosive beads containing insect pheromone or attractant. Background technique [0002] Insect pheromones are trace chemicals secreted by insects that can induce heterosexual individuals to mate. They are mainly used to control agricultural pests and are often referred to as "pollution-free pesticides". In agricultural production, insect pheromones can be used to interfere with mating, destroy the communication between males and females of the same species, and carry out large-scale pest control. Now, the use of insect pheromone to detect insect situation and guide the prevention and control of agricultural and forestry pests has become more and more mature, and it has also been widely used in production. At present, insect pheromone is mainly used in Coleoptera, Orthoptera, Homoptera and other pests, and...
Claims
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Application Information
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