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Thrip attractant and insecticide combined trapping and killing method

An attractant and insecticide technology, which can be applied in the directions of insecticides, attractants and pests, botanical equipment and methods, etc., can solve problems such as affecting the trapping effect, achieve broad application prospects, low cost, and prevent secondary Escape from harmful effects

Active Publication Date: 2021-01-15
INST OF PLANT PROTECTION FAAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each of the dominant compounds that act on pests has a somewhat strong binding profile to the corresponding olfactory odorant binding protein receptors on the insect's antennae, and there is a binding threshold beyond which the effect may It will be counterproductive, so increasing the ratio of a certain compound at will will affect the final trapping effect

Method used

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  • Thrip attractant and insecticide combined trapping and killing method
  • Thrip attractant and insecticide combined trapping and killing method
  • Thrip attractant and insecticide combined trapping and killing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] One, the preparation method of thrips attractant

[0028] 1.1 Preparation of 100 μg / ml single component solution

[0029] Preparation of 100 μg / ml methyl nicotinate solution: Add 10 μl of the pre-prepared 10 μg / μl methyl nicotinate standard compound into 990 μl of liquid paraffin, and mix evenly;

[0030] Preparation of 100 μg / ml trans-β-farnesene solution: Add 10 μl of the pre-prepared 10 μg / μl trans-β-farnesene standard compound into 990 μl of liquid paraffin, and mix evenly;

[0031] Preparation of 100 μg / ml octanal solution: Add 10 μl of the previously prepared 10 μg / μl octanal standard compound into 990 μl of liquid paraffin, and mix evenly;

[0032] Preparation of 100 μg / ml 3-carene solution: Add 10 μl of the previously prepared 10 μg / μl 3-carene standard compound into 990 μl of liquid paraffin, and mix evenly;

[0033] Preparation of 100 μg / ml isoeugenol solution: Add 10 μl of the previously prepared 10 μg / μl isoeugenol standard compound into 990 μl of liquid p...

Embodiment 2

[0049] The Y-type olfactory instrument was used to measure the directional behavior response of Thrips palmi to the compound (improved by our laboratory based on the basic principle of the olfactory instrument, the authorized patent number is: ZL201020239767.7). The main arm of the Y-shaped tube is 20cm, the length of the two arms is 10cm, and the angle between the two arms is 90°C. At the ends of the tubes of the two arms, silicone tubes were used to connect the distilled water bottle and the activated carbon bottle in sequence. Finally, the activated carbon bottle was opened in the atmosphere, and the insect release bottle was connected to the suction device with gauze. Cut the filter paper strip into 5 cm × 1 cm, fold it into a "V" shape, and place it in the trap inlet glass tube.

[0050] The Y-shaped olfactometer was tilted 30°, and the temperature was controlled at 25±2°C. Take 100 μl of the attractant of the present invention, formula 1, and formula 2 attractant and ev...

Embodiment 3

[0053] The test site was selected as a greenhouse in the orchard of Minhou, Fujian Province, and the crops were strawberries. Adopt blue sticky insect plate as trapping device, put attractant of the present invention, formula 1, formula 2 respectively in the centrifuge tube, hang on the color plate, the centrifuge tube upper cover is 5 circular holes with a diameter of 0.2mm. The centrifuge tube containing pure liquid paraffin suspended on the blue sticky insect board was used as the control, and the blue sticky insect board suspended with attractant and sprayed with ethyl spinosad was used as the treatment. Three repetitions were set up, and the different treatments were randomly arranged. The swatches are hung 20 cm above the plants, with a span of 6-8 m, and 3 columns are hung in each shed, with a column spacing of 1.5 m and a swatch spacing of 3 m. Investigate the results of 3d, 7d, and 14d hanging insect traps respectively, record the data and replace with new color plate...

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Abstract

The invention provides a thrip attractant and insecticide combined trapping and killing method. An attractant is prepared by taking liquid paraffin as a solvent and mixing 100 [mu] g / ml of methyl nicotinate, trans-beta farnesene, caprylaldehyde, 3-carene, isoeugenol and beta-phenethyl alcohol with the same mass. The attractant disclosed by the invention contains specific host plant source volatilesubstances, is diverse in variety, wide in action target sites and strong in complementarity; a compound with a relatively strong trapping effect on thrips is prepared according to a certain proportion; thrips are trapped on an insect sticking color plate, and meanwhile, thrip injurious insecticide high-efficiency and low-residue pesticide is sprayed on the insect sticking color plate; the thripsare killed by utilizing the toxicity of the insecticide, so that the thrips are thoroughly killed, and secondary escape of thethrips is prevented from causing harm. The attractant disclosed by the invention has the characteristics of low cost, environmental protection, high efficiency, low possibility of generating drug resistance and the like; and the trapping substance is derived from plants, is safe and reliable, can be widely applied to vegetables, fruit trees and other crops, and has wide application prospects.

Description

technical field [0001] The invention relates to the field of agricultural and forestry insect biotechnology, in particular to a combined trapping and killing method of thrips attractants and insecticides. Background technique [0002] Thrips is a general term for insects of the order Thysanoptera. The insects are small and often hide in flowers and young leaves to cause damage. At present, there are more than 7,700 species of thistle motor recorded in the world, and China accounts for more than 570 species. It is an important pest of fruits, vegetables, flowers and other crops. It is also a dangerous worldwide customs and quarantine pest, which can harm more than 600 kinds of plants. , seriously harming a variety of important agricultural economic crops. [0003] At present, chemical control methods are still mainly used in the prevention and control of thrips at home and abroad. However, the extensive use of chemical agents has caused great harm to human health and the en...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N27/00A01N31/16A01N31/04A01N43/22A01P19/00A01P7/04A01M1/02A01M1/14A01M1/04A01M1/20
CPCA01M1/02A01M1/145A01M1/20A01M2200/012A01N25/006A01N27/00A01N31/04A01N31/16A01N43/22A01N43/40
Inventor 田厚军魏辉陈勇陈艺欣林硕林涛曾兆华游泳
Owner INST OF PLANT PROTECTION FAAS
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