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Insect catching method for efficiently and accurately investigating field thrip population density

A thrips and field technology is applied in the field of insect trapping for efficient and accurate investigation of field thrips population density. low impact effect

Active Publication Date: 2017-05-31
HONGHEZHOU BRANCH OF YUNNAN TOBACCO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the small size of thrips, their activities are hidden, and they fly away quickly when there is disturbance, which brings great difficulties to the field investigation of their population density.
The usual way to investigate the population density of thrips in the field is to hang sticky boards in the field, and the thrips will fly when they touch the sticky boards and be stuck, and then the staff will wait for a certain period of time to count the number regularly. However, this method has randomness If the problem is too strong and is greatly affected by the wind direction, the survey results have large errors, and sometimes the survey results are more than double the actual number, and this method needs to wait for a certain period of time, and the data cannot be obtained in time

Method used

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  • Insect catching method for efficiently and accurately investigating field thrip population density
  • Insect catching method for efficiently and accurately investigating field thrip population density

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Randomly select 5 survey points in the field area, select 3 thrips host plants for each survey point, select 20 thrips host plants for each type of thrips host plant, and spray thrips anesthetic agent. The spraying time is 11:00 on a sunny day, and 0.5 The insects were caught every hour, and then the sum of the thrips numbers on each plant in the field area was counted separately, as the thrips population density in the field area.

Embodiment 2

[0024] Randomly select 5 survey points in the field area, select 5 species of thrips host plants for each survey site, and select 30 plants for each thrips host plant to spray thrips anesthetic agent. The spraying time is 13:00 on a sunny day, and 1.5 The insects were caught every hour, and then the sum of the thrips numbers on each plant in the field area was counted separately, as the thrips population density in the field area.

Embodiment 3

[0026] Randomly select 5 survey points in the field area, select 4 thrips host plants for each survey point, and select 25 thrips host plants for each type of thrips host plant to spray thrips anesthetic agent. The spraying time is 12 o'clock on a sunny day. The insects were caught every hour, and then the sum of the thrips numbers on each plant in the field area was counted separately, as the thrips population density in the field area.

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Abstract

The invention discloses an insect catching method for efficiently and accurately investigating field thrip population density. The insect catching method comprises the following steps: randomly selecting 5 investigating points in a field region and selecting 3 to 5 types of thrip host plants from each investigating point; spraying a thrip anaesthesia drug on 20 to 30 plants of each type of the thrip host plants, wherein the spraying time is 11:00 to 13:00 of sunny days; 0.5h to 1.5h after spraying the drug, catching insects; counting the sum of the quantity of thrips on each type of plants in the field region and taking the sum as the thrip population density in the field region. The method disclosed by the invention can be used for accurately investigating a real condition of the field thrips and has the advantage of simplicity in operation.

Description

technical field [0001] The invention belongs to the technical field of agricultural pest control, and in particular relates to an efficient and accurate insect-catching method for investigating the population density of thrips in the field. Background technique [0002] Western flower thrips, palmi thrips, tobacco thrips and flower thrips are important pests on horticultural and vegetable crops. They are widely distributed and cause serious damage, especially the tomato spotted wilt virus they spread, which causes serious losses to agricultural production. . Therefore, only by quickly and accurately understanding the population density and occurrence dynamics of thrips in the field can effective control measures be taken in time. However, due to the small size of thrips, their hidden activities, and their rapid dispersal when disturbed, it is extremely difficult to investigate their population density in the field. The usual way to investigate the population density of thr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01M5/02
CPCA01M5/02
Inventor 刘春明董家红李宏光陈永对肖俊华吴阔梁兵阙劲松黄坤李兴勇张朋范文彪杨晓琳
Owner HONGHEZHOU BRANCH OF YUNNAN TOBACCO
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