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A control method of mangrove leaf-eating pests

A technology of mangroves and pests, applied in the field of biological control of plant protection, can solve the problems of inability to carry out photosynthesis, withering and withering, unsightly, etc., and achieve good economic benefits, easy access to raw materials, and good insecticidal effects

Active Publication Date: 2019-04-23
GUANGXI MANGROVE RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Spraying lime water with land plant pest control method can prevent the pests from continuing to harm mangroves, but the cost of this method is very high. First, the leaves are painted white, which is very unsightly and unnatural; secondly, spraying Although the leaves soaked in lime water escape the feeding of pest larvae, but because the surface is covered with white lime, they cannot carry out photosynthesis, and generally wither and wither in the end.

Method used

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Examples

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Effect test

Embodiment 1

[0023] The invention discloses a method for preventing and controlling leaf-eating pests of mangroves, which comprises selecting mangrove plants that are harmed by leaf-eating pests such as Canton borer or teak moth, and delineating the range to be sprayed among mangroves. The mangrove plants include halophytes or tung flower trees. Choose when the larvae of such pests are young or in the early stage when the pests may occur, choose in the evening on cloudy or sunny days, and prevent and control when the canopy is just exposed when the tide is low. Mix salt with seawater or fresh water at room temperature to make a saturated saline solution, use a sprayer for manual spraying or aircraft spraying, and check the control effect after 24 hours of spraying, if the effect is not good, repeat the spraying once, in case of rainy days or return to the south, you need to do two spraying. After spraying, rinse the sprayer with fresh water to prevent salt water corrosion; after the pests...

Embodiment 2

[0025] The invention discloses a method for preventing and controlling leaf-eating pests of mangroves, which comprises selecting mangrove plants that are harmed by such leaf-eating pests as Toricula chinensis and various bag moths, and demarcating the range to be sprayed among mangroves. The mangrove plants include halophytes or tung flower trees. Choose in the evening on cloudy or sunny days, when the canopy is just exposed for prevention and control when the tide is low. Since this kind of leaf-eating pests are sensitive to salt, at room temperature, use salt mixed with seawater or fresh water to prepare salt water with a concentration lower than that of saturated salt water for prevention and control, use a sprayer for manual spraying or aircraft spraying, and check the control effect after 24 hours of spraying. If the effect is not good, it needs to be sprayed again, and it needs to be sprayed again in rainy days or when returning to the south. After spraying, rinse the s...

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PUM

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Abstract

The invention discloses a mangrove forest defoliator prevention method. The method is characterized by comprising steps of plant selection, prevention time selection, saline preparation, spraying prevention and post-spraying processing. A mangrove forest plant damaged by defoliator is selected; saturated saline solution is sprayed when a crown layer is exposed on the ebb; after the saline is sprayed on leaves, the defoliator stops eating, pupating in advance or is poisoned to dead after taking in the saline; and various mangrove forest defoliator can be prevented by the spraying of high-concentration saline in a saturated dissolved state. The mangrove forest defoliator prevention method is simple and easy to operate; raw material can be easily achieved; low cost is required and great insecticidal effect can be achieved; survival rate of the mangrove forest can be improved; and the mangrove forest defoliator prevention method is suitable for promotion and application and has great economic, social and ecological benefits.

Description

technical field [0001] The invention belongs to the technical field of plant protection biological control, and relates to a method for preventing and controlling mangrove leaf-eating pests. Background technique [0002] In recent years, a variety of insect pests have spread and occurred in large areas in mangroves, seriously threatening the health of mangrove ecosystems and the ecological security of coastal zones. The current pest control methods for mangroves basically follow the pest control methods of terrestrial plants, either the effect is not good, or it has a great impact on the marine environment where the mangroves are located; and there are few researches and developments specifically for the tidal environment of mangroves Insect pest control methods suitable for mangroves. [0003] The pest control methods of land plants that are still used at present, such as spraying lime water, hanging natural enemy egg cards and installing insect killer lamps, are used to k...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G13/00
CPCA01G13/00
Inventor 刘文爱范航清李丽凤
Owner GUANGXI MANGROVE RES CENT
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