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Method for trapping and parasitic enemy integrated control over pine shoot insects

A technology for pests and traps, which can be applied to devices for capturing or killing insects, botanical equipment and methods, and applications. , the effect of increasing the number and duration

Inactive Publication Date: 2019-05-21
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The larvae feed on the top needles of pine trees, resulting in bent, overgrown and deformed pine needles on new shoots. This insect has the characteristics of transfer and damage, causing serious direct economic losses

Method used

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  • Method for trapping and parasitic enemy integrated control over pine shoot insects
  • Method for trapping and parasitic enemy integrated control over pine shoot insects
  • Method for trapping and parasitic enemy integrated control over pine shoot insects

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Take young pine forests as the implementation object, choose a well-ventilated woodland to hang traps, and hang the traps on the middle, upper and lower parts of the tree crown; take young forests and mature forests as the implementation objects, choose well-ventilated woodlands to hang traps separately, and place the traps separately Hang in young forests and mature forests, count the number of trapped adults every 7 days, and clean them up, and count the data for more than 9 months.

[0069] figure 2 Figures of trapping adults in different canopy layers and different stand ages provided by Example 1 of the present invention. from figure 2 It can be seen that the number of adults trapped by the trap hanging in the middle and upper part of the canopy is more than that in the lower part, and the trapping effect is significantly different. from figure 2 It can also be seen that the number of adults trapped by the trap hanging in the young forest is more than that in...

Embodiment 2

[0071] Hang the traps at 2 mu / piece in the pine demonstration forest, count the number of trapped adults every 7 days, and clean them up, and then calculate the monthly trapping amount according to the data, and make a dynamic growth and decline chart of the adult population for more than 9 months as a trap + Control data for Trichogramma.

[0072] image 3 It is a dynamic diagram of the growth and decline of the adult population of the parasitic natural enemy pine tip pest not released during the trapping period. from image 3 It can be seen that after using 2 acres of traps, the average decline rate of the peak period of the red spot moth adult is 15%, and the average decline rate of the peak period of the peach borer is 67%, so trapping has a certain effect on the peak period of adults. some control.

Embodiment 3

[0074] Hang the traps at 2 mu / piece in the pine demonstration forest, count the number of trapped adults every 7 days, and clean them up. When the number of adults rises, release the parasitic natural enemies in time, and then continue to count the monthly trappings based on the data of adults trapped in the forest. Production The dynamic growth and decline chart of the adult population over 9 months old is used as the processing data of trapping + Trichogramma.

[0075] Figure 4 A dynamic diagram of the growth and decline of the adult population of the parasitic natural enemy pine shoot pest released during the trapping period. from Figure 4 It can be seen that the method of using 2 mu / trap + release of Trichogramma at the adult stage at the end of April: the average decline rate of the adult peak period of the red spot moth is 72%, and the calibration decline rate is 57%; The period average decline rate was 96%, and the calibration decline rate was 29%. The mode of trap...

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Abstract

The invention discloses a method for trapping and parasitic enemy integrated control over pine shoot insects, and belongs to the field of biological control. The method further comprises the followingsteps that a lure with pheromone is put into a trapping device; the trapping device is hung in a pine forest, in the stage of first appearance of adults, the natural enemy trichogramma is released. By means of the method, the problems can be effectively solved that the pine shoot insects are monitored inaccurately, and time and labor are wasted in the control process, and the method has obvious economic and ecological benefits.

Description

technical field [0001] The invention belongs to the field of plant protection, and in particular relates to a method for jointly preventing and controlling pine shoot pests by using trapping and parasitic natural enemies. Background technique [0002] Spotted borer ( Dioryctria rubella Hampson) belongs to Lepidoptera, Moth family, also known as pine borer, which is one of the important borer pests of pine plants such as masson pine and loblolly pine. The shoots die, the side branches are clustered, and the larvae continue to transfer and damage more than 2 branches. Due to the hidden activities of this pest, it is difficult to prevent and control it, and the effect is not ideal. By monitoring with effective methods and mastering the law of its occurrence and damage, it can provide effective guidance for the subsequent formulation of control strategies and large-scale control. Pseudomonas erythraea adults lay a large number of eggs, and the larvae eat the hollow tips, whic...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G13/00A01M1/02
Inventor 常明山吴耀军罗辑蒋学建黄华艳赵程劼廖旺姣邓艳钟雅婷
Owner GUANGXI FORESTRY RES INST
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